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Hurst KT, Vogeley A, Greenstein DK, Durland L, Makel S, Wang PR, Yavi M, Zarate CA, Ballard ED. Long-term follow-up of participants in ketamine clinical trials for mood disorders. J Affect Disord 2024; 357:134-137. [PMID: 38653350 DOI: 10.1016/j.jad.2024.04.062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 04/12/2024] [Accepted: 04/15/2024] [Indexed: 04/25/2024]
Abstract
BACKGROUND Participants who received ketamine at the NIMH were among the first to receive ketamine for depression in controlled clinical trials, providing a unique opportunity to assess long-term outcomes. This analysis evaluated the relationship between participating in a ketamine clinical trial and subsequent ketamine/esketamine use after leaving the research setting. METHODS Participants seen within the NIMH Experimental Therapeutics and Pathophysiology Branch from 2002 to 2022 (n = 1000) were contacted for follow-up assessment. Participants reported whether they had used ketamine/esketamine, sought non-prescribed ketamine, attempted suicide, or been psychiatrically hospitalized since discharge. Information regarding their recent depressive symptoms, dissociative symptoms, and hallucinations was also collected. RESULTS Of the 203 participants in follow-up assessments (55 % female, average time since leaving NIMH = 9.04 years), 52 (25.6 %) had originally received ketamine at the NIMH, and the rest had participated in non-ketamine studies. Individuals who had received ketamine at the NIMH were more likely to have received ketamine/esketamine post-discharge than those who did not receive ketamine at the NIMH (OR = 0.25, p < .001). Participants who reported using ketamine/esketamine post-discharge reported more depressive symptoms than those who had not (p < .001). Receiving ketamine at the NIMH was not associated with differences in suicide attempts, psychiatric hospitalizations, dissociation, hallucinations, or attempt to obtain non-prescribed ketamine. LIMITATIONS Low follow-up study participation rate; varying time since discharge. CONCLUSIONS Participants who received ketamine in an NIMH clinical trial were more likely to receive ketamine/esketamine post-discharge, but none reported symptoms indicating abuse. Results underscore the critical need for long-term follow-up of individuals receiving these and other rapid-acting antidepressants. CLINICAL TRIALS IDENTIFIER NCT04877977.
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Affiliation(s)
- Kelly T Hurst
- Experimental Therapeutics and Pathophysiology Branch, National Institute of Mental Health, National Institutes of Health, Bethesda, MD, USA
| | - Abigail Vogeley
- Experimental Therapeutics and Pathophysiology Branch, National Institute of Mental Health, National Institutes of Health, Bethesda, MD, USA
| | - Deanna K Greenstein
- Experimental Therapeutics and Pathophysiology Branch, National Institute of Mental Health, National Institutes of Health, Bethesda, MD, USA
| | - Lauren Durland
- Experimental Therapeutics and Pathophysiology Branch, National Institute of Mental Health, National Institutes of Health, Bethesda, MD, USA
| | - Stephanie Makel
- Experimental Therapeutics and Pathophysiology Branch, National Institute of Mental Health, National Institutes of Health, Bethesda, MD, USA
| | - Philip R Wang
- Experimental Therapeutics and Pathophysiology Branch, National Institute of Mental Health, National Institutes of Health, Bethesda, MD, USA
| | - Mani Yavi
- Experimental Therapeutics and Pathophysiology Branch, National Institute of Mental Health, National Institutes of Health, Bethesda, MD, USA
| | - Carlos A Zarate
- Experimental Therapeutics and Pathophysiology Branch, National Institute of Mental Health, National Institutes of Health, Bethesda, MD, USA
| | - Elizabeth D Ballard
- Experimental Therapeutics and Pathophysiology Branch, National Institute of Mental Health, National Institutes of Health, Bethesda, MD, USA.
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Calder CN, Kwan ATH, Teopiz KM, Wong S, Rosenblat JD, Mansur RB, Rhee TG, Ho R, Cao B, McIntyre RS. Number needed to treat (NNT) for ketamine and esketamine in adults with treatment-resistant depression: A systematic review and meta-analysis. J Affect Disord 2024; 356:753-762. [PMID: 38636712 DOI: 10.1016/j.jad.2024.04.039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Revised: 03/15/2024] [Accepted: 04/09/2024] [Indexed: 04/20/2024]
Abstract
BACKGROUND Ketamine has been established as efficacious in adults living with Treatment-resistant Depression (TRD). Toward providing a quantifiable estimate of the clinical meaningfulness of the therapeutic benefit of ketamine, herein, we conduct a systematic review that aims to report the Number Needed to Treat (NNT) and the Number Needed to Harm (NNH). METHODS This systematic review searched Embase, Medline/Pubmed, PsycINFO and ClinicalTrials.gov from inception up to October 15th 2023, for placebo-controlled, Randomized Controlled Trials (RCTs) assessing racemic ketamine or esketamine therapy for unipolar TRD. We calculated NNT and NNH for ketamine treatments over various time points. RESULTS A total of 21 studies with 2042 participants were included. Racemic ketamine treatments had pooled NNTs for response of 7 at 4 h, 3 from one day to one week and 9 for studies at four weeks. Esketamine treatment was found to have a similar efficacy with an NNT of 2 at one day and 11 at four weeks. NNH values indicated low risk for ketamine treatments. LIMITATIONS Limitations in the data used include the possibility of functional unblinding and selective reporting bias. Moreover, the meta-analysis may have been limited in its precision by including low threshold definitions of treatment resistance (≥ 1 failed antidepressant) and low-dose ketamine treatments. CONCLUSION Herein, we determined that the NNT for ketamine treatment in adults living with TRD across different intervals of observation was <10. We conclude that the NNTs observed herein are highly clinically meaningful in this difficult to treat disorder.
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Affiliation(s)
| | - Angela T H Kwan
- Brain and Cognition Discovery Foundation, Toronto, ON, Canada; Faculty of Medicine, University of Ottawa, Ottawa, Ontario, Canada.
| | - Kayla M Teopiz
- Brain and Cognition Discovery Foundation, Toronto, ON, Canada.
| | - Sabrina Wong
- Brain and Cognition Discovery Foundation, Toronto, ON, Canada; Department of Pharmacology and Toxicology, University of Toronto, Toronto, Ontario, Canada.
| | - Joshua D Rosenblat
- Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada.
| | - Rodrigo B Mansur
- Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada.
| | - Taeho Greg Rhee
- Department of Psychiatry, Yale School of Medicine, New Haven, CT, USA; Department of Public Health Sciences, University of Connecticut School of Medicine, Farmington, CT, USA.
| | - Roger Ho
- Department of Psychological Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore; Institute for Health Innovation and Technology (iHealthtech), National University of Singapore, Singapore, Singapore.
| | - Bing Cao
- Key Laboratory of Cognition and Personality, Faculty of Psychology, Ministry of Education, Southwest University, Chongqing 400715, PR China.
| | - Roger S McIntyre
- Brain and Cognition Discovery Foundation, Toronto, ON, Canada; Department of Pharmacology and Toxicology, University of Toronto, Toronto, Ontario, Canada; Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada.
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Aepfelbacher J, Panny B, Price RB. Experiences of Awe Mediate Ketamine's Antidepressant Effects: Findings From a Randomized Controlled Trial in Treatment-Resistant Depression. Biol Psychiatry Glob Open Sci 2024; 4:100316. [PMID: 38726038 PMCID: PMC11078768 DOI: 10.1016/j.bpsgos.2024.100316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 03/12/2024] [Accepted: 04/01/2024] [Indexed: 05/12/2024] Open
Abstract
Background Ketamine, an NMDA receptor antagonist, provides rapid antidepressant effects. Although much research has focused on neural and molecular mechanisms of action, it is critical to also consider psychological mechanisms that may contribute to its therapeutic efficacy. The construct of an awe-inducing experience, which is a well-validated psychological phenomenon tied to emotional well-being, had not been applied previously in ketamine research. Methods One hundred sixteen participants with depression, 77 of whom received a ketamine infusion (0.5 mg/kg over 40 minutes) and 39 patients who received saline placebo, completed a validated measure of awe (the Awe Experience Scale [AWE-S]) at 40 minutes postinfusion. AWE-S scores were examined as potential mediators of depression outcomes (% improvement in Montgomery-Åsberg Depression Rating Scale score) at 5 postinfusion time points (24 hours and 5, 12, 21, and 30 days). Dissociative effects, measured by Clinician-Administered Dissociative States Scale scores, were tested in parallel mediation models for comparison. Results We found that the psychological experience of awe was strongly reported by participants during ketamine infusion, but not saline infusion, and there were significant associations between total AWE-S scores and Montgomery-Åsberg Depression Rating Scale score improvement (% change) in the ketamine arm at all 5 time points. Furthermore, at all 5 time points, total AWE-S scores statistically mediated the relationship between ketamine and Montgomery-Åsberg Depression Rating Scale scores. By contrast, Clinician-Administered Dissociative States Scale scores did not mediate outcomes at any time point. Conclusions Ketamine infusion strongly induced heightened feelings of awe, and these experiences consistently mediated depression outcomes over a 1- to 30-day period, unlike general dissociative side effects. The specific awe-inspiring properties of ketamine may contribute to its antidepressant effects.
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Affiliation(s)
| | - Benjamin Panny
- University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Rebecca B. Price
- University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
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Chen IW, Kao CL, Hung KC. Impact of ketamine on incidence of postoperative depression: Re-analysis using a more targeted approach. J Affect Disord 2024; 355:526-527. [PMID: 38582130 DOI: 10.1016/j.jad.2024.04.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2024] [Accepted: 04/03/2024] [Indexed: 04/08/2024]
Affiliation(s)
- I-Wen Chen
- Department of Anesthesiology, Chi Mei Medical Center, Liouying, Tainan city, Taiwan
| | - Chia-Li Kao
- Department of Anesthesiology, E-Da Hospital, I-Shou University, Kaohsiung City, Taiwan
| | - Kuo-Chuan Hung
- Department of Anesthesiology, Chi Mei Medical Center, Tainan city, Taiwan.
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Scheil KKA, Sánchez-Lafuente CL, Reive BS, Halvorson CS, Floyd J, Reid HMO, Johnston JN, Kalynchuk LE, Caruncho HJ. Time-dependent antidepressant-like effects of reelin and ketamine in the repeated-corticosterone model of chronic stress. Prog Neuropsychopharmacol Biol Psychiatry 2024; 132:110998. [PMID: 38552775 DOI: 10.1016/j.pnpbp.2024.110998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Revised: 03/15/2024] [Accepted: 03/26/2024] [Indexed: 04/01/2024]
Abstract
There is an urgent need for novel antidepressants, given that approximately 30% of those diagnosed with depression do not respond adequately to first-line treatment. Additionally, monoaminergic-based antidepressants have a substantial therapeutic time-lag, often taking months to reach full therapeutic effect. Ketamine, an N-methyl-d-aspartate receptor (NMDAR) antagonist is the only current effective rapid-acting antidepressant, demonstrating efficacy within hours and lasting up to two weeks with an acute dose. Reelin, an extracellular matrix glycoprotein, has demonstrated rapid-acting antidepressant-like effects at 24 h, however the exact timescale of these effects has not been investigated. To determine the short and long-term effects of reelin, female Long Evans rats (n = 120) underwent a chronic corticosterone (CORT; or vehicle) paradigm (40 mg/kg, 21 days). On day 21, rats were treated with reelin (3μg; i.v.), ketamine (10 mg/kg; i.p.), both reelin and ketamine (same doses), or vehicle (saline). Behavioural and biological effects were then evaluated at 1 h, 6 h, 12 h, and 1 week after treatment. The 1-week cohort continued CORT injections to ensure the effect of chronic stress was not lost. Individually, both reelin and ketamine significantly rescued CORT-induced behaviour and hippocampal reelin expression at all timepoints. Ketamine rescued a decrease in dendritic maturity as induced by CORT. Synergistic effects of reelin and ketamine appeared at 1-week, suggesting a potential additive effect of the antidepressant-like actions. Taken together, this study provides further support for reelin-based therapeutics to develop rapid-acting antidepressant.
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Affiliation(s)
- Kaylene K A Scheil
- Division of Medical Sciences, University of Victoria, Victoria, BC V8P 5C2, Canada
| | | | - Brady S Reive
- Division of Medical Sciences, University of Victoria, Victoria, BC V8P 5C2, Canada
| | - Ciara S Halvorson
- Division of Medical Sciences, University of Victoria, Victoria, BC V8P 5C2, Canada
| | - Jennifer Floyd
- Division of Medical Sciences, University of Victoria, Victoria, BC V8P 5C2, Canada
| | - Hannah M O Reid
- Division of Medical Sciences, University of Victoria, Victoria, BC V8P 5C2, Canada
| | - Jenessa N Johnston
- Division of Medical Sciences, University of Victoria, Victoria, BC V8P 5C2, Canada
| | - Lisa E Kalynchuk
- Division of Medical Sciences, University of Victoria, Victoria, BC V8P 5C2, Canada
| | - Hector J Caruncho
- Division of Medical Sciences, University of Victoria, Victoria, BC V8P 5C2, Canada.
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Sun LH, Yu L, Chan YH, Chin MH, Lee CP, Liao YH. Combining brief recall and ketamine treatment prevents stress-primed methamphetamine memory reinstatement via heightening mPFC GABA activity. Eur J Pharmacol 2024; 972:176559. [PMID: 38588768 DOI: 10.1016/j.ejphar.2024.176559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Revised: 03/20/2024] [Accepted: 04/03/2024] [Indexed: 04/10/2024]
Abstract
This study aimed to assess whether brief recall of methamphetamine (MA) memory, when combined with ketamine (KE) treatment, may prevent stress-primed MA memory reinstatement. Combining 3-min recall and KE facilitated MA memory extinction and resistance to subsequent stress-primed reinstatement. Such combination also produced glutamate metabotropic receptor 5 (mGluR5) upregulation in animals' medial prefrontal cortex (mPFC) γ-amino-butyric acid (GABA) neuron. Accordingly, chemogenetic methods were employed to bi-directionally modulate mPFC GABA activity. Following brief recall and KE-produced MA memory extinction, intra-mPFC mDlx-Gi-coupled-human-muscarinic-receptor 4 (hM4Di)-infused mice receiving compound 21 (C21) treatment showed eminent stress-primed reinstatement, while their GABA mGluR5 expression seemed to be unaltered. Intra-mPFC mDlx-Gq-coupled-human-muscarinic-receptor 3 (hM3Dq)-infused mice undergoing C21 treatment displayed MA memory extinction and resistance to stress-provoked reinstatement. These results suggest that combining a brief recall and KE treatment and exciting mPFC GABA neuron may facilitate MA memory extinction and resistance to stress-primed recall. mPFC GABA neuronal activity plays a role in mediating brief recall/KE-produced effects on curbing the stress-provoked MA seeking.
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Affiliation(s)
- Li-Han Sun
- Institute of Basic Medical Sciences, National Cheng Kung University College of Medicine, Tainan, 70101, Taiwan
| | - Lung Yu
- Institute of Basic Medical Sciences, National Cheng Kung University College of Medicine, Tainan, 70101, Taiwan; Department of Physiology, National Cheng Kung University College of Medicine, Tainan, 70101, Taiwan; Institute of Behavioral Medicine, National Cheng Kung University College of Medicine, Tainan, 70101, Taiwan
| | - Ya-Hsuan Chan
- Department of Physiology, National Cheng Kung University College of Medicine, Tainan, 70101, Taiwan
| | - Min-Han Chin
- Department of Physiology, National Cheng Kung University College of Medicine, Tainan, 70101, Taiwan
| | - Chi-Pin Lee
- Division of Cardiology, Department of Internal Medicine, Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chiayi, 600, Taiwan.
| | - Yi-Han Liao
- Department of Physiology, National Cheng Kung University College of Medicine, Tainan, 70101, Taiwan; Division of Cardiology, Department of Internal Medicine, Ditmanson Medical Foundation Chia-Yi Christian Hospital, Chiayi, 600, Taiwan.
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Behrooz AB, Nasiri M, Adeli S, Jafarian M, Pestehei SK, Babaei JF. Pre-adolescence repeat exposure to sub-anesthetic doses of ketamine induces long-lasting behaviors and cognition impairment in male and female rat adults. IBRO Neurosci Rep 2024; 16:211-223. [PMID: 38352700 PMCID: PMC10862408 DOI: 10.1016/j.ibneur.2024.01.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 12/28/2023] [Accepted: 01/19/2024] [Indexed: 02/16/2024] Open
Abstract
In pre-adolescence, repeated anesthesia may be required for therapeutic interventions. Adult cognitive and neurobehavioral problems may result from preadolescent exposure to anesthetics. This study examined the long-term morphological and functional effects of repeated sub-anesthetic doses of ketamine exposure on male and female rat adults during pre-adolescence. Weaned 48 pre-adolescent rats from eight mothers and were randomly divided into four equal groups: control group and the ketamine group of males and females (20 mg/kg daily for 14 days); then animals received care for 20-30 days. Repeated exposure to sub-anesthetic doses of ketamine on cognitive functions was assayed using Social discrimination and novel object tests. Besides, an elevated plus maze and fear conditioning apparatus were utilized to determine exploratory and anxiety-like behavior in adults. Toluidine blue stain was used to evaluate the number of dead neurons in the hippocampus, and the effects of ketamine on synaptic plasticity were compared in the perforant pathway of the CA1 of the hippocampus. Our study indicates that repeated exposure to sub-anesthetic doses of ketamine during pre-adolescence can result in neurobehavioral impairment in male and female rat adulthood but does not affect anxiety-like behavior. We found a significant quantifiable increase in dark neurons. Recorded electrophysiologically, repeat sub-anesthetic doses of ketamine resulted in hampering long-term potentiation and pair pulse in male adult animals. Our results showed that repeated exposure to sub-anesthetic doses of ketamine during pre-adolescence can induce hippocampus and neuroplasticity changes later in adulthood. This study opens up a new line of inquiry into potential adverse outcomes of repeated anesthesia exposure in pre-adolescent rats.
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Affiliation(s)
- Amir Barzegar Behrooz
- Electrophysiology Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Mahdieh Nasiri
- Electrophysiology Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Soheila Adeli
- Electrophysiology Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Maryam Jafarian
- Brain and Spinal Cord Injury Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Seyed Khalil Pestehei
- Department of Anesthesiology, Tehran University of Medical Sciences, Tehran, Iran
- Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Javad Fahanik Babaei
- Electrophysiology Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran
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Hajizadeh Moghaddam A, Malekzadeh Estalkhi F, Khanjani Jelodar S, Ahmed Hasan T, Farhadi-Pahnedari S, Karimian M. Neuroprotective effects of alpha-pinene against behavioral deficits in ketamine-induced mice model of schizophrenia: Focusing on oxidative stress status. IBRO Neurosci Rep 2024; 16:182-189. [PMID: 38318342 PMCID: PMC10839590 DOI: 10.1016/j.ibneur.2023.12.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 12/11/2023] [Accepted: 12/30/2023] [Indexed: 02/07/2024] Open
Abstract
Schizophrenia (SCZ) is a profound neurological disorder that affects approximately 1% of the global population. Alpha-pinene (α-pinene) is a natural and active monoterpene found in coniferous tree oil, primarily pine, with diverse pharmacological characteristics, including antioxidative, anxiolytic, and antidepressant properties. This research study delves into the neuroprotective effects of α-pinene on oxidative stress, memory deficits, and depressive and anxiety-like behaviors in a ketamine-induced mice model of SCZ using male mice. The mice were randomly divided into six groups: vehicle, control, positive control, ketamine, α-pinene at 50 mg/kg, and α-pinene at 100 mg/kg. Treatment of the ketamine-induced mice model of SCZ with α-pinene yielded significant improvements in depressive and anxiety-like behaviors and cognitive impairments. Furthermore, it significantly elevated glutathione (GSH) levels, total antioxidant capacity (TAC), dopamine levels, catalase (CAT), and superoxide dismutase (SOD) activities while markedly reducing malondialdehyde (MDA) levels. The current study establishes that α-pinene treatment effectively mitigates oxidative damage, cognitive deficits, and depressive and anxiogenic-like behaviors in the brains of ketamine-treated mice. Therefore, α-pinene treatment is an efficacious approach to forestall the neurobehavioral and neurobiochemical adverse effects of the ketamine-induced SCZ model of mice.
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Affiliation(s)
| | | | | | - Tabarek Ahmed Hasan
- Department of Animal Biology, Faculty of Basic Sciences, University of Mazandaran, Babolsar, Iran
| | | | - Mohammad Karimian
- Department of Molecular and Cell Biology, Faculty of Basic Sciences, University of Mazandaran, Babolsar, Iran
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Xiang J, Cao C, Chen J, Kong F, Nian S, Li Z, Li N. Efficacy and safety of ketamine as an adjuvant to regional anesthesia: A systematic review and meta-analysis of randomized controlled trials. J Clin Anesth 2024; 94:111415. [PMID: 38394922 DOI: 10.1016/j.jclinane.2024.111415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Revised: 12/03/2023] [Accepted: 02/09/2024] [Indexed: 02/25/2024]
Abstract
STUDY OBJECTIVE To identify whether adding ketamine to the local anesthetics (LA) in the regional anesthesia could prolong the duration of analgesia. DESIGN A Systematic review and meta-analysis of randomized controlled trials. SETTING The major dates were obtained in the operating room and the postoperative recovery ward. PATIENTS A total of 1011 patients at ASA physical status I and II were included in the analysis. Procedure performed including cesarean section, orthopedic, radical mastectomy, urological or lower abdominal surgery and intracavitary brachytherapy implants insertion. INTERVENTIONS After an extensive search of the electronic database, patients received regional anesthesia combined or not combined general anesthesia and with or without adding ketamine to LA were included in the analysis. The regional anesthesia includes spinal anesthesia, brachial plexus block, pectoral nerve block, transversus abdominis plane block and femoral and sciatic nerve block. MEASUREMENT The primary outcome was the duration of analgesia. Secondary outcomes were the duration and onset time of motor and sensory block as well as the ketamine-related adverse effect. Data are expressed in mean differences in continuous data and odds ratios (OR) for dichotomous data with 95% confidence intervals. The risk of bias of the included studies was evaluated using the revised Cochrane risk of bias tool for randomized trials. The quality of evidence for each outcome was rated according to the Grading of Recommendations, Assessment, Development and Evaluations (GRADE) Working Group system. MAIN RESULT Twenty randomized controlled trials were included in the analysis. When ketamine was used as an adjuvant to LA, the duration of analgesia could be prolonged(172.21 min, 95% CI, 118.20 to 226.22; P<0.00001, I2 = 98%), especially in the peripheral nerve block(366.96 min, 95% CI, 154.19 to 579.74; P = 0.0007, I2 = 98%). Secondary outcomes showed ketamine could prolong the duration of sensory block(29.12 min, 95% CI, 10.22 to 48.01; P = 0.003, I2 = 96%) but no effect on the motor block(6.94 min, 95% CI,-2.65 to 16.53;P = 0.16, I2 = 84%), the onset time of motor and sensory block (motor onset time, -1.17 min, 95% CI, -2.67 to 0.34; P = 0.13, I2 = 100%; sensory onset time, -0.33 min, 95% CI,-0.87 to 0.20; P = 0.23, I2 = 96%) as well as the ketamine-related adverse effect(OR, 1.97, 95% CI,0.93 to 4.17;P = 0.08, I2 = 57%). CONCLUSION This study indicates that ketamine could be an ideal adjuvant to local anesthetics regardless of the types of anesthesia. Overall, the quality of the evidence is low.
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Affiliation(s)
- Jiajia Xiang
- Department of Anesthesiology, 920th Hospital of Joint Logistics Support Force, Kunming, Yunnan, China; Kunming Medical University, Kunming, Yunnan, China
| | - Chunyan Cao
- Department of Obstetrics and Gynecology, 920th Hospital of Joint Logistics Support Force, Kunming, Yunnan, China
| | - Jiayu Chen
- Department of Orthopedics, The First People's Hospital of Yunnan Province, Kunming, Yunnan, China
| | - Fanyi Kong
- Department of Neurology, Affiliated Hospital of Yunnan University, Kunming, Yunnan, China
| | - Sunqi Nian
- Department of Orthopedics, The First People's Hospital of Yunnan Province, Kunming, Yunnan, China
| | - Zhigui Li
- Department of Anesthesiology, 920th Hospital of Joint Logistics Support Force, Kunming, Yunnan, China.
| | - Na Li
- Department of Anesthesiology, 920th Hospital of Joint Logistics Support Force, Kunming, Yunnan, China.
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Chen IW, Yu TS, Hung KC. Effectiveness of ketamine and esketamine in preventing postpartum depression: A trial sequential analysis. J Affect Disord 2024; 354:773-774. [PMID: 38548205 DOI: 10.1016/j.jad.2024.03.147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2024] [Accepted: 03/25/2024] [Indexed: 04/01/2024]
Affiliation(s)
- I-Wen Chen
- Department of Anesthesiology, Chi Mei Medical Center, Liouying, Tainan City, Taiwan
| | - Ting-Sian Yu
- Department of Anesthesiology, E-Da Hospital, I-Shou University, Kaohsiung City, Taiwan
| | - Kuo-Chuan Hung
- Department of Anesthesiology, Chi Mei Medical Center, Tainan City, Taiwan.
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Neumann J, Bornemann-Cimenti H, Rumpold-Seitlinger G, Lang-Illievich K, Klivinyi C. Ketamine as Treatment for Cluster Headache: A Systematic Review of Literature and a Case Series. Pain Ther 2024; 13:651-662. [PMID: 38722484 DOI: 10.1007/s40122-024-00606-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2024] [Accepted: 04/15/2024] [Indexed: 05/23/2024] Open
Abstract
INTRODUCTION Cluster headache is a severe and debilitating neurological condition characterized by intense, excruciating pain with a significant impact on patients' wellbeing. Although different treatment options are available, many patients continue to experience inadequate relief. Therefore, experimental strategies are increasingly studied. One of the more promising approaches is the use of ketamine. We present the currently available evidence and our own data. METHODS In this mixed-methods paper, we first summarize the available evidence of ketamine for treatment of cluster headache based on a systematic review of literature in MEDLINE, EMBASE and the Cochrane library of systematic reviews. As the level of evidence is quite limited, we report our own cohort study with ten patients treated with ketamine infusions for cluster headache. They were followed up to investigate the patients' experience of treatment success and quality of life. RESULTS The search and review of literature identified four reports with a total of 68 patients. All were uncontrolled case series. The current literature suggests that ketamine might decrease cluster headache. However, as the applied regimes and reported outcomes are highly heterogeneous, further analysis was futile. Our own data show high patient satisfaction with ketamine treatment. CONCLUSION Despite the limited evidence, ketamine might be considered a potential therapeutic approach for cluster headache. Therefore, further research including randomized controlled trials should be encouraged.
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Affiliation(s)
- Johannes Neumann
- Department of Anaesthesiology and Intensive Care Medicine, Medical University of Graz, Graz, Austria
| | - Helmar Bornemann-Cimenti
- Department of Anaesthesiology and Intensive Care Medicine, Medical University of Graz, Graz, Austria
| | - Gudrun Rumpold-Seitlinger
- Department of Anaesthesiology and Intensive Care Medicine, Medical University of Graz, Graz, Austria
| | - Kordula Lang-Illievich
- Department of Anaesthesiology and Intensive Care Medicine, Medical University of Graz, Graz, Austria
| | - Christoph Klivinyi
- Department of Anaesthesiology and Intensive Care Medicine, Medical University of Graz, Graz, Austria.
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Shan ZY, Can AT, Mohamed AZ, Dutton M, Hermens DF, Calhoun VD, Williams LM, Bennett M, Lagopoulos J. Oral ketamine effects on dynamics of functional network connectivity in patients treated for chronic suicidality. Eur Arch Psychiatry Clin Neurosci 2024:10.1007/s00406-024-01831-x. [PMID: 38772940 DOI: 10.1007/s00406-024-01831-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Accepted: 05/10/2024] [Indexed: 05/23/2024]
Abstract
The underlying brain mechanisms of ketamine in treating chronic suicidality and the characteristics of patients who will benefit from ketamine treatment remain unclear. To address these gaps, we investigated temporal variations of brain functional synchronisation in patients with suicidality treated with ketamine in a 6-week open-label oral ketamine trial. The trial's primary endpoint was the Beck Scale for Suicide Ideation (BSS). Patients who experienced greater than 50% improvement in BSS scores or had a BSS score less than 6 at the post-treatment and follow-up (10 weeks) visits were considered responders and persistent responders, respectively. The reoccurring and transient connectivity pattern (termed brain state) from 29 patients (45.6 years ± 14.5, 15 females) were investigated by dynamic functional connectivity analysis of resting-state functional MRI at the baseline, post-treatment, and follow-up. Post-treatment patients showed significantly more (FDR-Q = 0.03) transitions among whole brain states than at baseline. We also observed increased dwelling time (FDR-Q = 0.04) and frequency (FDR-Q = 0.04) of highly synchronised brain state at follow-up, which were significantly correlated with BSS scores (both FDR-Q = 0.008). At baseline, persistent responders had higher fractions (FDR-Q = 0.03, Cohen's d = 1.39) of a cognitive control network state with high connectivities than non-responders. These findings suggested that ketamine enhanced brain changes among different synchronisation patterns and enabled high synchronisation patterns in the long term, providing a possible biological pathway for its suicide-prevention effects. Moreover, differences in cognitive control states at baseline may be used for precise ketamine treatment planning.
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Affiliation(s)
- Zack Y Shan
- Thompson Institute, University of the Sunshine Coast, 12 Innovation Parkway, Birtinya, QLD, 4575, Australia.
| | - Adem T Can
- Thompson Institute, University of the Sunshine Coast, 12 Innovation Parkway, Birtinya, QLD, 4575, Australia
| | - Abdalla Z Mohamed
- Thompson Institute, University of the Sunshine Coast, 12 Innovation Parkway, Birtinya, QLD, 4575, Australia
| | - Megan Dutton
- Thompson Institute, University of the Sunshine Coast, 12 Innovation Parkway, Birtinya, QLD, 4575, Australia
| | - Daniel F Hermens
- Thompson Institute, University of the Sunshine Coast, 12 Innovation Parkway, Birtinya, QLD, 4575, Australia
| | - Vince D Calhoun
- Tri-institutional Center for Translational Research in Neuroimaging and Data Science (TReNDS), Georgia State University, Georgia Institute of Technology, Emory University, Atlanta, GA, USA
| | - Leanne M Williams
- Department of Psychiatry and Behavioral Sciences, Stanford University, Stanford, CA, USA
| | | | - Jim Lagopoulos
- Thompson Brain and Mind Healthcare, 55 Plaza Parade, Maroochydore, QLD, 4558, Australia
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Wu X, Wen G, Yan L, Wang Y, Ren X, Li G, Luo Y, Shang J, Lu L, Hermenean A, Yao J, Li B, Lu Y, Wu X. Ketamine administration causes cognitive impairment by destroying the circulation function of the glymphatic system. Biomed Pharmacother 2024; 175:116739. [PMID: 38759288 DOI: 10.1016/j.biopha.2024.116739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Revised: 04/30/2024] [Accepted: 05/09/2024] [Indexed: 05/19/2024] Open
Abstract
BACKGROUND Ketamine, as a non-competitive antagonist of N-methyl-D-aspartate (NMDA) receptors, was originally used in general anesthesia. Epidemiological data show that ketamine has become one of the most commonly abused drugs in China. Ketamine administration might cause cognitive impairment; however, its molecular mechanism remains unclear. The glymphatic system is a lymphoid system that plays a key role in metabolic waste removal and cognitive regulation in the central nervous system. METHODS Focusing on the glymphatic system, this study evaluated the behavioral performance and circulatory function of the glymphatic system by building a short-term ketamine administration model in mice, and detected the expression levels of the 5-HT2c receptor, ΔFosb, Pten, Akt, and Aqp4 in the hippocampus. Primary astrocytes were cultured to verify the regulatory relationships among related indexes using a 5-HT2c receptor antagonist, a 5-HT2c receptor short interfering RNA (siRNA), and a ΔFosb siRNA. RESULTS Ketamine administration induced ΔFosb accumulation by increasing 5-HT2c receptor expression in mouse hippocampal astrocytes and primary astrocytes. ΔFosb acted as a transcription factor to recognize the AATGATTAAT bases in the 5' regulatory region of the Aqp4 gene (-1096 bp to -1087 bp), which inhibited Aqp4 expression, thus causing the circulatory dysfunction of the glymphatic system, leading to cognitive impairment. CONCLUSIONS Although this regulatory mechanism does not involve the Pten/Akt pathway, this study revealed a new mechanism of ketamine-induced cognitive impairment in non-neuronal systems, and provided a theoretical basis for the safety of clinical treatment and the effectiveness of withdrawal.
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Affiliation(s)
- Xue Wu
- China Medical University School of Forensic Medicine, Shenyang, China; Liaoning Province Key Laboratory of Forensic Bio-evidence Sciences, China; China Medical University Center of Forensic Investigation, China
| | - Gehua Wen
- China Medical University School of Forensic Medicine, Shenyang, China; Liaoning Province Key Laboratory of Forensic Bio-evidence Sciences, China; China Medical University Center of Forensic Investigation, China
| | - Lei Yan
- China Medical University School of Forensic Medicine, Shenyang, China; Liaoning Province Key Laboratory of Forensic Bio-evidence Sciences, China; China Medical University Center of Forensic Investigation, China
| | - Yexin Wang
- Key Laboratory of Health Ministry in Congenital Malformation, Affiliated Shengjing Hospital of China Medical University, Shenyang, China
| | - Xinghua Ren
- Key Laboratory of Health Ministry in Congenital Malformation, Affiliated Shengjing Hospital of China Medical University, Shenyang, China
| | - Guiji Li
- Key Laboratory of Health Ministry in Congenital Malformation, Affiliated Shengjing Hospital of China Medical University, Shenyang, China
| | - Yu Luo
- China Medical University School of Forensic Medicine, Shenyang, China; Liaoning Province Key Laboratory of Forensic Bio-evidence Sciences, China; China Medical University Center of Forensic Investigation, China
| | - Junbo Shang
- China Medical University School of Forensic Medicine, Shenyang, China; Liaoning Province Key Laboratory of Forensic Bio-evidence Sciences, China; China Medical University Center of Forensic Investigation, China
| | - Lei Lu
- Department of pediatrics Neonatology, University of Chicago, Chicago, IL 60615, USA
| | - Anca Hermenean
- Faculty of Medicine, Vasile Goldis Western University of Arad, Romania
| | - Jun Yao
- China Medical University School of Forensic Medicine, Shenyang, China; Liaoning Province Key Laboratory of Forensic Bio-evidence Sciences, China; China Medical University Center of Forensic Investigation, China
| | - Baoman Li
- China Medical University School of Forensic Medicine, Shenyang, China; Liaoning Province Key Laboratory of Forensic Bio-evidence Sciences, China; China Medical University Center of Forensic Investigation, China.
| | - Yan Lu
- Key Laboratory of Health Ministry in Congenital Malformation, Affiliated Shengjing Hospital of China Medical University, Shenyang, China.
| | - Xu Wu
- China Medical University School of Forensic Medicine, Shenyang, China; Liaoning Province Key Laboratory of Forensic Bio-evidence Sciences, China; China Medical University Center of Forensic Investigation, China.
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Aykan D, Genc M, Unal G. Environmental enrichment enhances the antidepressant effect of ketamine and ameliorates spatial memory deficits in adult rats. Pharmacol Biochem Behav 2024:173790. [PMID: 38761992 DOI: 10.1016/j.pbb.2024.173790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/19/2024] [Revised: 05/09/2024] [Accepted: 05/13/2024] [Indexed: 05/20/2024]
Abstract
Ketamine is a rapid-acting antidepressant associated with various cognitive side effects. To mitigate these side effects while enhancing efficacy, it can be co-administered with other antidepressants. In our study, we adopted a similar strategy by combining ketamine with environmental enrichment, a potent sensory-motor paradigm, in adult male Wistar rats. We divided the animals into four groups based on a combination of housing conditions and ketamine versus vehicle injections. The groups included those housed in standard cages or an enriched environment for 50 days, which encompassed a 13-day-long behavioral testing period. Each group received either two doses of ketamine (20 mg/kg, IP) or saline as a vehicle. We tested the animals in the novel object recognition test (NORT), forced swim test (FST), open field test (OFT), elevated plus maze (EPM), and Morris water maze (MWM), which was followed by ex vivo c-Fos immunohistochemistry. We observed that combining environmental enrichment with ketamine led to a synergistic antidepressant effect. Environmental enrichment also ameliorated the spatial memory deficits caused by ketamine in the MWM. There was enhanced neuronal activity in the habenula of the enrichment only group following the probe trial of the MWM. In contrast, no differential activity was observed in enriched animals that received ketamine injections. The present study showed how environmental enrichment can enhance the antidepressant properties of ketamine while reducing some of its side effects, highlighting the potential of combining pharmacological and sensory-motor manipulations in the treatment of mood disorders.
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Affiliation(s)
- Deren Aykan
- Behavioral Neuroscience Laboratory, Department of Psychology, Boğaziçi University, 34342 Istanbul, Turkey
| | - Mert Genc
- Behavioral Neuroscience Laboratory, Department of Psychology, Boğaziçi University, 34342 Istanbul, Turkey
| | - Gunes Unal
- Behavioral Neuroscience Laboratory, Department of Psychology, Boğaziçi University, 34342 Istanbul, Turkey.
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Wei Q, Li M, Jiang Y, Liu X. Efficacy of perioperatively application of ketamine on postoperative depressive symptoms in adult patients: A systematic review and meta-analysis with trial sequential analysis. J Affect Disord 2024; 353:27-35. [PMID: 38428531 DOI: 10.1016/j.jad.2024.02.085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 02/17/2024] [Accepted: 02/23/2024] [Indexed: 03/03/2024]
Abstract
BACKGROUND Whether ketamine used in the perioperative period reduces the risk of postoperative depressive symptoms remains uncertain. We conducted this systematic review and meta-analysis to evaluate the clinical efficacy of ketamine in adult surgical patients. METHODS Two investigators independently systematically searched the Cochrane Central Register of Controlled Trials (CENTRAL), Medline, Web of Science, and PsycINFO databases using a combination of relevant Medical Subject Headings terms and free-text keywords from database inception through May 24, 2023. RESULTS 29 studies encompassing 5327 patients were included. The pooled analysis demonstrated that the ketamine group had no significantly reduced incidence of postoperative depressive mood compared with the control group, with trial sequential analysis (TSA) inconclusive. However, postoperative depression scale scores were significantly decreased in the ketamine group. LIMITATIONS Most randomized controlled trials of surgical patients have included depression scale scores as the primary outcome. The incidence of postoperative depressive has been assessed as a secondary outcome or has not been assessed. In addition, non-uniform assessment scales have introduced greater heterogeneity. More rigorous methods and higher-quality evidence for further research are needed to better understand the effects of ketamine on perioperative depression in surgical anesthesia. CONCLUSIONS Current evidence suggests that ketamine cannot significantly decrease the incidence of postoperative depressive mood in adult surgical patients. However, ketamine can reduce postoperative depression scores. PROSPERO registration: CRD42023431566.
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Affiliation(s)
- Qingfeng Wei
- Department of Anesthesiology, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, China
| | - Mengmeng Li
- Department of Anesthesiology, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, China
| | - Yu Jiang
- Department of Anesthesiology, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, China
| | - Xuesheng Liu
- Department of Anesthesiology, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, China.
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Cavaleri D, Riboldi I, Crocamo C, Paglia G, Carrà G, Bartoli F. Evidence from preclinical and clinical metabolomics studies on the antidepressant effects of ketamine and esketamine. Neurosci Lett 2024; 831:137791. [PMID: 38670523 DOI: 10.1016/j.neulet.2024.137791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Revised: 04/15/2024] [Accepted: 04/23/2024] [Indexed: 04/28/2024]
Abstract
The antidepressant effects of ketamine and esketamine are well-documented. Nonetheless, most of the underlying molecular mechanisms have to be uncovered yet. In the last decade, metabolomics has emerged as a useful means to investigate the metabolic phenotype associated with depression as well as changes induced by antidepressant treatments. This mini-review aims at summarizing the main findings from preclinical and clinical studies that used metabolomics to investigate the metabolic effects of subanesthetic, antidepressant doses of ketamine and esketamine and their relationship with clinical response. Both animal and human studies report alterations in several metabolic pathways - including the tricarboxylic acid cycle, glycolysis, the pentose phosphate pathway, lipid metabolism, amino acid metabolism, the kynurenine pathway, and the urea cycle - following the administration of ketamine or its enantiomers. Although more research is needed to clarify commonalities and differences in molecular mechanisms of action between the racemic compound and its enantiomers, these findings comprehensively support an influence of ketamine and esketamine on mitochondrial and cellular energy production, membrane homeostasis, neurotransmission, and signaling. Metabolomics may thus represent a promising strategy to clarify molecular mechanisms underlying treatment-resistant depression and related markers of clinical response to ketamine and esketamine. This body of preclinical and clinical evidence, if further substantiated, has the potential to guide clinicians towards personalized approaches, contributing to new paradigms in the clinical management of depression.
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Affiliation(s)
- Daniele Cavaleri
- Department of Medicine and Surgery, University of Milano-Bicocca, Via Cadore 48, 20900 Monza, Italy
| | - Ilaria Riboldi
- Department of Medicine and Surgery, University of Milano-Bicocca, Via Cadore 48, 20900 Monza, Italy
| | - Cristina Crocamo
- Department of Medicine and Surgery, University of Milano-Bicocca, Via Cadore 48, 20900 Monza, Italy
| | - Giuseppe Paglia
- Department of Medicine and Surgery, University of Milano-Bicocca, Via Cadore 48, 20900 Monza, Italy
| | - Giuseppe Carrà
- Department of Medicine and Surgery, University of Milano-Bicocca, Via Cadore 48, 20900 Monza, Italy; Division of Psychiatry, University College London, 149 Tottenham Ct Rd, London W1T 7NF, United Kingdom
| | - Francesco Bartoli
- Department of Medicine and Surgery, University of Milano-Bicocca, Via Cadore 48, 20900 Monza, Italy.
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Liu Y, Yang J, Liu Y. Ketamine and electroconvulsive therapy for severe depression: A network meta-analysis of efficacy and safety. J Psychiatr Res 2024; 175:218-226. [PMID: 38744161 DOI: 10.1016/j.jpsychires.2024.05.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 04/21/2024] [Accepted: 05/08/2024] [Indexed: 05/16/2024]
Abstract
BACKGROUND Ketamine, electroconvulsive therapy (ECT), and their combination are effective for treating severe depression, but few large-scale studies have compared these. METHODS We searched databases for randomized controlled trials (RCTs) using ketamine, ECT, ketamine + ECT, or placebo for severe depression. Standardized measures were efficacy outcomes. Risk of bias was assessed. Stata and ADDIS were used for network meta-analysis (NMA) comparing efficacy and adverse reactions post-treatment. This study was registered on PROSPERO (CRD42023476740). RESULTS 17 RCTs with 1370 patients were included. NMA showed ECT and ketamine improved Hamilton Depression Rating Scale (HDRS) versus placebo; other comparisons not significant. Rank probabilities showed highest probability for ECT, followed by ketamine + ECT, ketamine, placebo. No differences in Montgomery-Asberg Depression Rating Scale (MADRS); highest rank probability again for ECT, followed by ketamine + ECT, ketamine, placebo. CONCLUSIONS Analysis suggests ECT superior to ketamine and their combination for improving depressive severity, but individualized treatment selection warranted. Higher adverse reactions with ketamine + ECT need further study for optimized combined use.
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Affiliation(s)
- Yecun Liu
- The First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Jiguo Yang
- School of Acupuncture-Moxibustion and Tuina, Shandong University of Traditional Chinese Medicine, Jinan, China.
| | - Yuanxiang Liu
- The First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, China.
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Eddie EA, Zahedi AZBA, Jamaluddin SFB, Noor JM. Low-dose short infusion ketamine as adjunct to morphine for acute long bone fracture in the emergency department: a randomized controlled trial. BMC Emerg Med 2024; 24:80. [PMID: 38730284 PMCID: PMC11084008 DOI: 10.1186/s12873-024-00997-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Accepted: 04/30/2024] [Indexed: 05/12/2024] Open
Abstract
BACKGROUND Ketamine is recognized as an alternative for pain management; however, concerns about emergent adverse reactions have limited its widespread adoption. This study aimed to assess the efficacy of a short infusion of low-dose ketamine (LDK) compared to intravenous morphine (MOR) as adjunctive analgesia for acute long bone fracture pain. METHODS This single-blinded, randomized controlled trial was conducted in a single emergency department. Patients with acute long bone fractures and numerical rating scale (NRS) pain scores ≥ 6 following an initial dose of intravenous morphine were assigned to receive either a LDK (0.3 mg/kg) over 15 min or intravenous MOR at a dose of 0.1 mg/kg administered over 5 min. Throughout a 120-min observation period, patients were regularly evaluated for pain level (0-10), side effects, and the need for additional rescue analgesia. RESULTS A total of 58 subjects participated, with 27 in the MOR group and 31 in the LDK group. Demographic variables and baseline NRS scores were comparable between the MOR (8.3 ± 1.3) and LDK (8.9 ± 1.2) groups. At 30 min, the LDK group showed a significantly greater mean reduction in NRS scores (3.1 ± 2.03) compared to the MOR group (1.8 ± 1.59) (p = 0.009). Similarly, at 60 min, there were significant differences in mean NRS score reductions (LDK 3.5 ± 2.17; MOR mean reduction = 2.4, ± 1.84) with a p-value of 0.04. No significant differences were observed at other time intervals. The incidence of dizziness was higher in the LDK group at 19.4% (p = 0.026). CONCLUSION Short infusion low-dose ketamine, as an adjunct to morphine, is effective in reducing pain during the initial 30 to 60 min and demonstrated comparability to intravenous morphine alone in reducing pain over the subsequent 60 min for acute long bone fractures. However, it was associated with a higher incidence of dizziness. TRIAL REGISTRATION NMRR17318438970 (2 May 2018; www.nmrr.gov.my ).
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Affiliation(s)
- Elisa Audrey Eddie
- Department of Emergency Medicine, Emergency and Trauma Department, Hospital Tawau, 91007, Tawau, Sabah, Malaysia
| | | | - Sabariah Faizah Binti Jamaluddin
- Department of Emergency Medicine, Faculty of Medicine, Universiti Teknologi MARA, Sungai Buloh Campus, Jalan Hospital, 47000, Sungai Buloh, Selangor, Malaysia.
| | - Julina Md Noor
- Department of Emergency Medicine, Faculty of Medicine, Universiti Teknologi MARA, Sungai Buloh Campus, Jalan Hospital, 47000, Sungai Buloh, Selangor, Malaysia.
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Poon P, Bell RF, Good P. Should subanaesthetic ketamine be considered when managing opioid refractory cancer pain? J Pain Symptom Manage 2024:S0885-3924(24)00746-2. [PMID: 38729533 DOI: 10.1016/j.jpainsymman.2024.04.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2024] [Revised: 04/22/2024] [Accepted: 04/26/2024] [Indexed: 05/12/2024]
Abstract
In the cancer pain setting, ketamine has been typically employed as a co-analgesic for opioid refractory and neuropathic pain. One controversial topic is whether subanaesthetic ketamine be considered when managing opioid refractory cancer pain. In this "Controversies in Palliative Care" article, three clinicians independently answer this question. Specifically, each clinician provides a synopsis of the key studies that inform their thought processes, share practical advice on their clinical approach, and highlight the opportunities for future research. Three independent clinicians reported a divergence of opinion regarding the usefulness of subanaesthetic ketamine for managing opioid refractory cancer pain. All investigators acknowledged the lack of high-quality trials. All agreed on the need for adequately powered trials, the development of standardized methodology, and the exploration of any patient sub-populations that may benefit from ketamine for cancer related pain.
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Affiliation(s)
- Peter Poon
- Monash University Faculty of Medicine Nursing and Health Sciences, Clayton, VIC. Australia; Supportive & Palliative Care Department, Monash Health, Clayton, VIC. Australia.
| | - Rae Frances Bell
- Regional Centre of Excellence in Palliative Care, Haukeland University Hospital, Bergen, Norway
| | - Phillip Good
- Department of Palliative Care, St Vincent's Private Hospital Brisbane Qld, Australia.; Department of Palliative and Supportive Care, Mater Health Brisbane, Qld, Australia.; Mater Research Institute-University of Queensland, Brisbane, Qld, Australia
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Shiroma PR, Thuras P, Polusny M, Kehle-Forbes S, Disner S, Pardo J, Tolly B, Voller E, McManus E, King C, Lipinski A, Eng E, Hawkinson F, Wang G. Ketamine-enhanced prolonged exposure therapy in veterans with PTSD: A randomized controlled trial protocol. Contemp Clin Trials 2024:107569. [PMID: 38729297 DOI: 10.1016/j.cct.2024.107569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Revised: 04/26/2024] [Accepted: 05/04/2024] [Indexed: 05/12/2024]
Abstract
BACKGROUND The 2023 VA/DoD Clinical Practice Guideline for the Management of PTSD recommends individual, manualized trauma-focused such as Prolonged Exposure (PE) over pharmacologic interventions for the primary treatment of PTSD. Unfortunately, clinical trials of trauma-based therapies in the military and veteran population showed that 30% to 50% of patients did not demonstrate clinically meaningful symptom change. Ketamine, an FDA-approved anesthetic with potent non-competitive glutamatergic N-methyl-d-aspartate antagonistic properties, has demonstrated to enhance the recall of extinction learning and decrease fear renewal without interference of extinction training in preclinical studies. METHODS We plan to conduct a single site RCT comparing three ketamine treatment vs. active placebo (midazolam) adjunct to PE therapy among Veterans with PTSD. Pharmacological phase will start simultaneously with PE session 1. Infusions will be administered 24 h. prior to PE session for the first 3 weeks. After PE is completed (session 10), patients will be assessed during a 3-month follow-up period at various time points. We estimate that out of 100 veterans, 80 will reach time point for primary outcome measure and will be considered for primary analysis. Secondary outcomes include severity of depression and anxiety scores, safety and tolerability of ketamine-enhanced PE therapy, cognitive performance during treatment and early improvement during PE related to the rate of dropouts during PE therapy. DISCUSSION Results of the proposed RCT could provide scientific foundation to distinguish the essential components of this approach, enhance the methodology, elucidate the mechanisms involved, and identify sub-PTSD populations that most likely benefit from this intervention.
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Affiliation(s)
- Paulo R Shiroma
- Mental Health Service Line, Minneapolis VA Health Care System, Minneapolis, MN, United States of America; Department of Psychiatry and Behavioral Sciences, University of Minnesota Medical School, Minneapolis, MN, United States of America.
| | - Paul Thuras
- Mental Health Service Line, Minneapolis VA Health Care System, Minneapolis, MN, United States of America; Department of Psychiatry and Behavioral Sciences, University of Minnesota Medical School, Minneapolis, MN, United States of America
| | - Melissa Polusny
- Mental Health Service Line, Minneapolis VA Health Care System, Minneapolis, MN, United States of America; Department of Psychiatry and Behavioral Sciences, University of Minnesota Medical School, Minneapolis, MN, United States of America; Center for Care Delivery & Outcomes Research, Minneapolis VA Healthcare System, Minneapolis, MN, United States of America
| | - Shannon Kehle-Forbes
- Mental Health Service Line, Minneapolis VA Health Care System, Minneapolis, MN, United States of America; Department of Psychiatry and Behavioral Sciences, University of Minnesota Medical School, Minneapolis, MN, United States of America; Center for Care Delivery & Outcomes Research, Minneapolis VA Healthcare System, Minneapolis, MN, United States of America
| | - Seth Disner
- Mental Health Service Line, Minneapolis VA Health Care System, Minneapolis, MN, United States of America; Department of Psychiatry and Behavioral Sciences, University of Minnesota Medical School, Minneapolis, MN, United States of America
| | - Jose Pardo
- Mental Health Service Line, Minneapolis VA Health Care System, Minneapolis, MN, United States of America; Department of Psychiatry and Behavioral Sciences, University of Minnesota Medical School, Minneapolis, MN, United States of America
| | - Brian Tolly
- Department of Anesthesiology, Minneapolis VA Health Care System, Minneapolis, MN, United States of America
| | - Emily Voller
- Mental Health Service Line, Minneapolis VA Health Care System, Minneapolis, MN, United States of America; Graduate School of Professional Psychology, Morrison Family College of Health, University of St. Thomas, Saint Paul, MN, United States of America
| | - Eliza McManus
- Mental Health Service Line, Minneapolis VA Health Care System, Minneapolis, MN, United States of America
| | - Christie King
- Mental Health Service Line, Minneapolis VA Health Care System, Minneapolis, MN, United States of America
| | - Alexandra Lipinski
- Mental Health Service Line, VA Maryland Health Care System, Baltimore, MD, United States of America
| | - Emily Eng
- Mental Health Service Line, Minneapolis VA Health Care System, Minneapolis, MN, United States of America; Graduate School of Professional Psychology, Morrison Family College of Health, University of St. Thomas, Saint Paul, MN, United States of America
| | - Francine Hawkinson
- Mental Health Service Line, Minneapolis VA Health Care System, Minneapolis, MN, United States of America
| | - Gloria Wang
- Mental Health Service Line, Minneapolis VA Health Care System, Minneapolis, MN, United States of America
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Zolghadriha A, Anjomshoaa A, Jamshidi MR, Taherkhani F. Rapid and sustained antidepressant effects of intravenous ketamine in treatment-resistant major depressive disorder and suicidal ideation: a randomized clinical trial. BMC Psychiatry 2024; 24:341. [PMID: 38714931 PMCID: PMC11075291 DOI: 10.1186/s12888-024-05716-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Accepted: 03/25/2024] [Indexed: 05/12/2024] Open
Abstract
BACKGROUND Major depressive disorder (MDD) is the most disabling and burdensome mental disorder, negatively affecting an individual's quality of life and daily functioning. the current study was conducted with the aim of investigating the clinical effects of intravenous ketamine on symptoms of MDD and suicidal ideation. METHODS The current randomized clinical trial was carried out on 64 patients diagnosed with treatment-resistant major depressive disorder between April and August 2022. The participants were randomly assigned to two groups: the intervention group received a dose of 0.5 mg/kg of ketamine, while the control group received normal saline. The Montgomery-Asberg Depression Scale and Beck's Suicidal Ideation Scale were utilized to assess depression and suicidal ideation, respectively. RESULTS One hour after the administration of ketamine treatment, there was a notable and significant improvement in both depression symptoms (35.16 ± 8.13 vs. 14.90 ± 10.09) and suicidal ideation (6.74 ± 6.67 vs. 0.42 ± 1.52). Moreover, there were statistically significant differences in depression scores between the two groups at one hour, four hours, one day, three days, one week, one month, and two months after the administration of ketamine (p-value < 0.001). However, ketamine recipients frequently experienced side effects such as increased heart rate, headache, dizziness, and dissociative syndrome symptoms. CONCLUSION The observed rapid onset of action and sustained effect demonstrate the potential of ketamine to provide relief from depressive symptoms in a shorter timeframe compared to traditional treatment approaches. These findings contribute to the growing body of evidence supporting the use of ketamine as a valuable therapeutic option for patients with treatment-resistant depression. IRCT REGISTRATION IRCT registration number: IRCT20210806052096N1; IRCT URL: https://www.irct.ir/trial/62243 ; Ethical code: IR.ZUMS.REC.1400.150; Registration date: 2022-04-09.
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Affiliation(s)
- Ahmad Zolghadriha
- Department of Psychiatry, Shahid Beheshti Hospital, Zanjan University of Medical Sciences, Zanjan, Iran.
| | - Afagh Anjomshoaa
- Zanjan Metabolic Diseases Research Center, Zanjan University of Medical Sciences, Zanjan, Iran
| | - Mohammad Reza Jamshidi
- Department of Anesthesia, School of Medicine, Mousavi Hospital, Zanjan University of Medical Sciences, Iran, Zanjan
| | - Farnaz Taherkhani
- Department of Psychiatry, Shahid Beheshti Hospital, Zanjan University of Medical Sciences, Zanjan, Iran
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22
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Ooms GI, Usman MA, Reed T, van den Ham HA, Mantel-Teeuwisse AK. The impact of scheduling ketamine as an internationally controlled substance on anaesthesia care in Sub-Saharan Africa: a case study and key informant interviews. BMC Health Serv Res 2024; 24:598. [PMID: 38715038 PMCID: PMC11077710 DOI: 10.1186/s12913-024-11040-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Accepted: 04/24/2024] [Indexed: 05/12/2024] Open
Abstract
BACKGROUND Access to anaesthesia and surgical care is a major problem for people living in Sub-Saharan Africa. In this region, ketamine is critical for the provision of anaesthesia care. However, efforts to control ketamine internationally as a controlled substance may significantly impact its accessibility. This research therefore aims to estimate the importance of ketamine for anaesthesia and surgical care in Sub-Saharan Africa and assess the potential impact on access to ketamine if it were to be scheduled. METHODS This research is a mixed-methods study, comprising of a cross-sectional survey at the hospital level in Rwanda, and key informant interviews with experts on anaesthesia care in Sub-Saharan Africa. Data on availability of four anaesthetic agents were collected from hospitals (n = 54) in Rwanda. Semi-structured interviews with 10 key informants were conducted, collecting information on the importance of ketamine, the potential impact of scheduling ketamine internationally, and opinions on misuse of ketamine. Interviews were transcribed verbatim and analysed using a thematic analysis approach. RESULTS The survey conducted in Rwanda found that availability of ketamine and propofol was comparable at around 80%, while thiopental and inhalational agents were available at only about half of the hospitals. Significant barriers impeding access to anaesthesia care were identified, including a general lack of attention given to the specialty by governments, a shortage of anaesthesiologists and migration of trained anaesthesiologists, and a scarcity of medicines and equipment. Ketamine was described as critical for the provision of anaesthesia care as a consequence of these barriers. Misuse of ketamine was not believed to be an issue by the informants. CONCLUSION Ketamine is critical for the provision of anaesthesia care in Sub-Saharan Africa, and its scheduling would have a significantly negative impact on its availability for anaesthesia care.
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Affiliation(s)
- Gaby I Ooms
- Health Action International, Overtoom 60-2, 1054HK, Amsterdam, The Netherlands.
- Utrecht WHO Collaborating Centre for Pharmaceutical Policy and Regulation, Division of Pharmacoepidemiology and Clinical Pharmacology, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, Utrecht, The Netherlands.
| | - Mohammed A Usman
- Federal University of Dutse, Dutse, Jigawa State, Nigeria
- Rasheed Shekoni Teaching Hospital, Dutse, Jigawa State, Nigeria
| | - Tim Reed
- Health Action International, Overtoom 60-2, 1054HK, Amsterdam, The Netherlands
| | - Hendrika A van den Ham
- Utrecht WHO Collaborating Centre for Pharmaceutical Policy and Regulation, Division of Pharmacoepidemiology and Clinical Pharmacology, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, Utrecht, The Netherlands
| | - Aukje K Mantel-Teeuwisse
- Utrecht WHO Collaborating Centre for Pharmaceutical Policy and Regulation, Division of Pharmacoepidemiology and Clinical Pharmacology, Utrecht Institute for Pharmaceutical Sciences (UIPS), Utrecht University, Utrecht, The Netherlands
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23
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Wei Q, Li M, Jiang Y, Liu X. Author's reply to letter to the editor regarding "Impact of ketamine on incidence of postoperative depression: Re-analysis using a more targeted approach". J Affect Disord 2024; 358:350-352. [PMID: 38710331 DOI: 10.1016/j.jad.2024.05.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2024] [Accepted: 05/02/2024] [Indexed: 05/08/2024]
Affiliation(s)
- Qingfeng Wei
- Department of Anesthesiology, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, China
| | - Mengmeng Li
- Department of Anesthesiology, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, China
| | - Yu Jiang
- Department of Anesthesiology, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, China
| | - Xuesheng Liu
- Department of Anesthesiology, The First Affiliated Hospital of Anhui Medical University, Hefei 230022, China.
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24
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Verdonk F, Lambert P, Gakuba C, Nelson AC, Lescot T, Garnier F, Constantin JM, Saurel D, Lasocki S, Rineau E, Diemunsch P, Dreyfuss L, Tavernier B, Bezu L, Josserand J, Mebazaa A, Coroir M, Nouette-Gaulain K, Macouillard G, Glasman P, Lemesle D, Minville V, Cuvillon P, Gaudilliere B, Quesnel C, Abdel-Ahad P, Sharshar T, Molliex S, Gaillard R, Mantz J. Preoperative ketamine administration for prevention of postoperative neurocognitive disorders after major orthopedic surgery in elderly patients: A multicenter randomized blinded placebo-controlled trial. Anaesth Crit Care Pain Med 2024:101387. [PMID: 38710325 DOI: 10.1016/j.accpm.2024.101387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Revised: 04/07/2024] [Accepted: 04/07/2024] [Indexed: 05/08/2024]
Abstract
BACKGROUND Preventive anesthetic impact on the high rates of postoperative neurocognitive disorders in elderly patients is debated. The Prevention of postOperative Cognitive dysfunction by Ketamine (POCK) study aimed to assess the effect of ketamine on this condition. METHODS This is a multicenter, randomized, double-blind, interventional study. Patients ≥60 years undergoing major orthopedic surgery were randomly assigned in a 1:1 ratio to receive preoperative ketamine 0.5 mg/kg as an intravenous bolus (n = 152) or placebo (n = 149) in random blocks stratified according to the study site, preoperative cognitive status and age. The primary outcome was the proportion of objective delayed neurocognitive recovery (dNR) defined as a decline of one or more neuropsychological assessment standard deviations on postoperative day 7. Secondary outcomes included a three-month incidence of objective postoperative neurocognitive disorder (POND), as well as delirium, anxiety, and symptoms of depression seven days and three months after surgery. RESULTS Among 301 patients included, 292 (97%) completed the trial. Objective dNR occurred in 50 (38.8%) patients in the ketamine group and 54 (40.9%) patients in the placebo group (OR [95% CI] 0.92 [0.56;1.51], p = 0.73) on postoperative day 7. Incidence of objective POND three months after surgery did not differ significantly between the two groups nor did incidence of delirium, anxiety, apathy, and fatigue. Symptoms of depression were less frequent in the ketamine group three months after surgery (OR [95%CI] 0.34 [0.13-0.86]). CONCLUSIONS A single preoperative bolus of intravenous ketamine does not prevent the occurrence of dNR or POND in elderly patients scheduled for major orthopedic surgery. (Clinicaltrials.gov NCT02892916.).
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Affiliation(s)
- Franck Verdonk
- Department of Anesthesiology and Intensive Care, Hôpital Saint-Antoine and Hôpital Tenon, Assistance Publique-Hôpitaux de Paris.Sorbonne Université, GRC 29, DMU DREAM, Assistance Publique-Hôpitaux de Paris, Paris, and UMRS_938, Centre de Recherche Saint-Antoine (CRSA), Sorbonne Université-Inserm, Paris, 75012, France.
| | - Pierre Lambert
- Department of Anaesthesiology and Critical Care Medicine, Hôpital Nord, Saint Etienne, France
| | - Clément Gakuba
- Normandie Univ, UNICAEN, CHU de Caen, Service d'Anesthésie-Réanimation chirurgicale, Normandie Univ, UNICAEN, INSERM, U1237, PhIND "Physiopathology and Imaging of Neurological Disorders" and Institut Blood and Brain at Caen-Normandie, Cyceron, Caen, France
| | - Anais Charles Nelson
- INSERM, Centre d'Investigation Clinique 1418 Épidémiologie Clinique, Paris, France and Assistance Publique-Hôpitaux de Paris, Hôpital Européen Georges-Pompidou, Unité de Recherche Clinique, Paris, France
| | - Thomas Lescot
- Department of Anesthesiology and Intensive Care, Hôpital Saint-Antoine and Hôpital Tenon, Assistance Publique-Hôpitaux de Paris.Sorbonne Université, GRC 29, DMU DREAM, Assistance Publique-Hôpitaux de Paris, Paris, and UMRS_938, Centre de Recherche Saint-Antoine (CRSA), Sorbonne Université-Inserm, Paris, 75012, France
| | - Fanny Garnier
- Department of Anesthesiology and Intensive Care, Hôpital Saint-Antoine, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Jean-Michel Constantin
- Department of Perioperative Medicine, Centre Hospitalier Universitaire de Clermont-Ferrand, Clermont-Ferrand, France
| | - Danielle Saurel
- Department of Perioperative Medicine, Centre Hospitalier Universitaire de Clermont-Ferrand, Clermont-Ferrand, France
| | - Sigismond Lasocki
- Department of Anesthesiology and Intensive Care, University Hospital of Angers, Angers, France
| | - Emmanuel Rineau
- Department of Anesthesiology and Intensive Care, University Hospital of Angers, Angers, France
| | - Pierre Diemunsch
- Department of Anesthesiology and Intensive Care, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, France
| | - Lucas Dreyfuss
- Department of Anesthesiology and Intensive Care, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg, France
| | - Benoît Tavernier
- Department of Anesthesiology and Intensive Care Medicine, Lille University Hospital and Université de Lille, ULR 2694 - METRICS, Lille, France
| | - Lucillia Bezu
- Department of Anesthesiology, Gustave Roussy Cancer Campus, Villejuif, France and Department of Anesthesiology and Intensive Care, Hôpital Européen Georges-Pompidou, Assistance Publique-Hôpitaux de Paris, Paris, France
| | | | - Alexandre Mebazaa
- Department of Anesthesiology, Burn and Critical Care, University Hospitals Saint-Louis-Lariboisière, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Marine Coroir
- Department of Anesthesiology, Burn and Critical Care, University Hospitals Saint-Louis-Lariboisière, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Karine Nouette-Gaulain
- CHU Bordeaux, Service d'Anesthésie Réanimation Pellegrin, Hôpital Pellegrin, Bordeaux, France
| | - Gerard Macouillard
- CHU Bordeaux, Service d'Anesthésie Réanimation Pellegrin, Hôpital Pellegrin, Bordeaux, France
| | - Pauline Glasman
- Groupe Hospitalier Universitaire APHP-Sorbonne Université, site Pitié-Salpêtrière, Département d'Anesthésie Réanimation, Paris, France
| | - Denis Lemesle
- Groupe Hospitalier Universitaire APHP-Sorbonne Université, site Pitié-Salpêtrière, Département d'Anesthésie Réanimation, Paris, France
| | - Vincent Minville
- Department of Anesthesiology and Intensive Care, Toulouse University Hospital, Toulouse, France
| | - Philippe Cuvillon
- Department of Anaesthesiology and Pain Management, Centre Hospitalo-Universitaire (CHU) Carémeau, Nimes, France
| | - Brice Gaudilliere
- Department of Anesthesiology, Perioperative and Pain Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - Christophe Quesnel
- Department of Anesthesiology and Intensive Care, Hôpital Henri Mondor, Assistance Publique-Hôpitaux de Paris, Créteil, France
| | - Pierre Abdel-Ahad
- GHU Paris Psychiatrie & Neurosciences, Hôpital Sainte-Anne, Service Hospitalo-Universitaire, Pôle Hospitalo-Universitaire Paris 15, Paris, France
| | - Tarek Sharshar
- Neuro-Anesthesiology and Intensive Care Medicine, Groupe Hospitalier Universitaire (GHU) Paris Psychiatrie et Neurosciences, Université de Paris, Paris, France
| | - Serge Molliex
- Department of Anaesthesiology and Critical Care Medicine, Hôpital Nord, and Sainbiose INSERM Unit 1059, Jean Monnet University, Saint Etienne, France
| | - Raphael Gaillard
- GHU Paris Psychiatrie & Neurosciences, Hôpital Sainte-Anne, Service Hospitalo-Universitaire, Pôle Hospitalo-Universitaire Paris 15, Paris, France
| | - Jean Mantz
- Department of Anesthesiology and Intensive Care, Hôpital Européen Georges-Pompidou, Assistance Publique-Hôpitaux de Paris, Paris, France
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25
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Obert DP, Killing D, Happe T, Tamas P, Altunkaya A, Dragovic SZ, Kreuzer M, Schneider G, Fenzl T. Substance specific EEG patterns in mice undergoing slow anesthesia induction. BMC Anesthesiol 2024; 24:167. [PMID: 38702608 PMCID: PMC11067159 DOI: 10.1186/s12871-024-02552-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Accepted: 04/26/2024] [Indexed: 05/06/2024] Open
Abstract
The exact mechanisms and the neural circuits involved in anesthesia induced unconsciousness are still not fully understood. To elucidate them valid animal models are necessary. Since the most commonly used species in neuroscience are mice, we established a murine model for commonly used anesthetics/sedatives and evaluated the epidural electroencephalographic (EEG) patterns during slow anesthesia induction and emergence. Forty-four mice underwent surgery in which we inserted a central venous catheter and implanted nine intracranial electrodes above the prefrontal, motor, sensory, and visual cortex. After at least one week of recovery, mice were anesthetized either by inhalational sevoflurane or intravenous propofol, ketamine, or dexmedetomidine. We evaluated the loss and return of righting reflex (LORR/RORR) and recorded the electrocorticogram. For spectral analysis we focused on the prefrontal and visual cortex. In addition to analyzing the power spectral density at specific time points we evaluated the changes in the spectral power distribution longitudinally. The median time to LORR after start anesthesia ranged from 1080 [1st quartile: 960; 3rd quartile: 1080]s under sevoflurane anesthesia to 1541 [1455; 1890]s with ketamine. Around LORR sevoflurane as well as propofol induced a decrease in the theta/alpha band and an increase in the beta/gamma band. Dexmedetomidine infusion resulted in a shift towards lower frequencies with an increase in the delta range. Ketamine induced stronger activity in the higher frequencies. Our results showed substance-specific changes in EEG patterns during slow anesthesia induction. These patterns were partially identical to previous observations in humans, but also included significant differences, especially in the low frequencies. Our study emphasizes strengths and limitations of murine models in neuroscience and provides an important basis for future studies investigating complex neurophysiological mechanisms.
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Affiliation(s)
- David P Obert
- School of Medicine and Health, Department of Anesthesiology and Intensive Care, Technical University of Munich, 81675, Munich, Germany
- Department of Anesthesia, Critical Care, and Pain Medicine, Massachusetts's General Hospital, Boston, MA, 02114, USA
- Harvard Medical School, Boston, MA, 02115, USA
| | - David Killing
- School of Medicine and Health, Department of Anesthesiology and Intensive Care, Technical University of Munich, 81675, Munich, Germany
| | - Tom Happe
- School of Medicine and Health, Department of Anesthesiology and Intensive Care, Technical University of Munich, 81675, Munich, Germany
| | - Philipp Tamas
- School of Medicine and Health, Department of Anesthesiology and Intensive Care, Technical University of Munich, 81675, Munich, Germany
| | - Alp Altunkaya
- School of Medicine and Health, Department of Anesthesiology and Intensive Care, Technical University of Munich, 81675, Munich, Germany
| | - Srdjan Z Dragovic
- School of Medicine and Health, Department of Anesthesiology and Intensive Care, Technical University of Munich, 81675, Munich, Germany
| | - Matthias Kreuzer
- School of Medicine and Health, Department of Anesthesiology and Intensive Care, Technical University of Munich, 81675, Munich, Germany
| | - Gerhard Schneider
- School of Medicine and Health, Department of Anesthesiology and Intensive Care, Technical University of Munich, 81675, Munich, Germany
| | - Thomas Fenzl
- School of Medicine and Health, Department of Anesthesiology and Intensive Care, Technical University of Munich, 81675, Munich, Germany.
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26
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Zdunczyk A, Schumm L, Helgers SOA, Nieminen-Kelhä M, Bai X, Major S, Dreier JP, Hecht N, Woitzik J. Ketamine-induced prevention of SD-associated late infarct progression in experimental ischemia. Sci Rep 2024; 14:10186. [PMID: 38702377 PMCID: PMC11068759 DOI: 10.1038/s41598-024-59835-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Accepted: 04/16/2024] [Indexed: 05/06/2024] Open
Abstract
Spreading depolarizations (SDs) occur frequently in patients with malignant hemispheric stroke. In animal-based experiments, SDs have been shown to cause secondary neuronal damage and infarct expansion during the initial period of infarct progression. In contrast, the influence of SDs during the delayed period is not well characterized yet. Here, we analyzed the impact of SDs in the delayed phase after cerebral ischemia and the potential protective effect of ketamine. Focal ischemia was induced by distal occlusion of the left middle cerebral artery in C57BL6/J mice. 24 h after occlusion, SDs were measured using electrocorticography and laser-speckle imaging in three different study groups: control group without SD induction, SD induction with potassium chloride, and SD induction with potassium chloride and ketamine administration. Infarct progression was evaluated by sequential MRI scans. 24 h after occlusion, we observed spontaneous SDs with a rate of 0.33 SDs/hour which increased during potassium chloride application (3.37 SDs/hour). The analysis of the neurovascular coupling revealed prolonged hypoemic and hyperemic responses in this group. Stroke volume increased even 24 h after stroke onset in the SD-group. Ketamine treatment caused a lesser pronounced hypoemic response and prevented infarct growth in the delayed phase after experimental ischemia. Induction of SDs with potassium chloride was significantly associated with stroke progression even 24 h after stroke onset. Therefore, SD might be a significant contributor to delayed stroke progression. Ketamine might be a possible drug to prevent SD-induced delayed stroke progression.
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Affiliation(s)
- A Zdunczyk
- Department of Neurosurgery, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
- Center for Stroke Research Berlin, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - L Schumm
- Department of Neurosurgery, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
- Center for Stroke Research Berlin, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - S O A Helgers
- Department of Neurosurgery, Carl von Ossietzky University Oldenburg, Oldenburg, Germany
- Research Center Neurosensory Science, Carl von Ossietzky University Oldenburg, Oldenburg, Germany
| | - M Nieminen-Kelhä
- Department of Neurosurgery, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
- Center for Stroke Research Berlin, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - X Bai
- Department of Neurosurgery, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
- Center for Stroke Research Berlin, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - S Major
- Center for Stroke Research Berlin, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
- Department of Neurology, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
- Department of Experimental Neurology, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - J P Dreier
- Center for Stroke Research Berlin, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
- Department of Neurology, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
- Department of Experimental Neurology, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
- Bernstein Center for Computational Neuroscience Berlin, Berlin, Germany
- Einstein Center for Neurosciences Berlin, Berlin, Germany
| | - N Hecht
- Department of Neurosurgery, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
- Center for Stroke Research Berlin, Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Berlin, Germany
| | - Johannes Woitzik
- Department of Neurosurgery, Carl von Ossietzky University Oldenburg, Oldenburg, Germany.
- Research Center Neurosensory Science, Carl von Ossietzky University Oldenburg, Oldenburg, Germany.
- University Clinic for Neurosurgery, Marienstr. 11, 26121, Oldenburg, Germany.
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27
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Miller EA, Afshar HT, Mishra J, McIntyre RS, Ramanathan D. Predicting non-response to ketamine for depression: An exploratory symptom-level analysis of real-world data among military veterans. Psychiatry Res 2024; 335:115858. [PMID: 38547599 DOI: 10.1016/j.psychres.2024.115858] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 03/04/2024] [Accepted: 03/09/2024] [Indexed: 04/14/2024]
Abstract
Ketamine helps some patients with treatment resistant depression (TRD), but reliable methods for predicting which patients will, or will not, respond to treatment are lacking. Herein, we aim to inform prediction models of non-response to ketamine/esketamine in adults with TRD. This is a retrospective analysis of PHQ-9 item response data from 120 patients with TRD who received repeated doses of intravenous racemic ketamine or intranasal eskatamine in a real-world clinic. Regression models were fit to patients' symptom trajectories, showing that all symptoms improved on average, but depressed mood improved relatively faster than low energy. Principal component analysis revealed a first principal component (PC) representing overall treatment response, and a second PC that reflects variance across affective versus somatic symptom subdomains. We then trained logistic regression classifiers to predict overall response (improvement on PC1) better than chance using patients' baseline symptoms alone. Finally, by parametrically adjusting the classifier decision thresholds, we identified optimal models for predicting non-response with a negative predictive value of over 96 %, while retaining a specificity of 22 %. Thus, we could identify 22 % of patients who would not respond based purely on their baseline symptoms. This approach could inform rational treatment recommendations to avoid additional treatment failures.
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Affiliation(s)
- Eric A Miller
- Department of Mental Health, VA San Diego Medical Center, San Diego, CA 92161, USA; Department of Psychiatry, UC San Diego, La Jolla, CA 92093, USA
| | - Houtan Totonchi Afshar
- Department of Mental Health, VA San Diego Medical Center, San Diego, CA 92161, USA; Department of Psychiatry, UC San Diego, La Jolla, CA 92093, USA
| | - Jyoti Mishra
- Department of Psychiatry, UC San Diego, La Jolla, CA 92093, USA; Center of Excellence for Stress and Mental Health, VA San Diego Medical Center, USA
| | - Roger S McIntyre
- Department of Psychiatry, University of Toronto, Toronto, Canada; Department of Pharmacology, University of Toronto, Toronto, Canada; Brain and Cognition Discovery Foundation, Toronto, Canada
| | - Dhakshin Ramanathan
- Department of Mental Health, VA San Diego Medical Center, San Diego, CA 92161, USA; Department of Psychiatry, UC San Diego, La Jolla, CA 92093, USA; Center of Excellence for Stress and Mental Health, VA San Diego Medical Center, USA.
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28
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Martin DM, Harvey AJ, Baune B, Berk M, Carter GL, Dong V, Glozier N, Glue P, Hood S, Hadzi-Pavlovic D, Hackett M, Mills N, Sarma S, Somogyi A, Rodgers A, Loo CK. Cognitive outcomes from the randomised, active-controlled Ketamine for Adult Depression Study (KADS). J Affect Disord 2024; 352:163-170. [PMID: 38378088 DOI: 10.1016/j.jad.2024.02.052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 02/08/2024] [Accepted: 02/13/2024] [Indexed: 02/22/2024]
Abstract
BACKGROUND Due to its rapid antidepressant effect, ketamine has recently been clinically translated for people with treatment-resistant depression. However, its cognitive profile remains unclear, particularly with repeated and higher doses. In the present study, we report the cognitive results from a recent large multicentre randomised controlled trial, the Ketamine for Adult Depression Study (KADS). METHODS In this randomised, double-blind, active-controlled, parallel group, multicentre phase 3 trial study we investigated potential cognitive changes following repeated treatment of subcutaneous racemic ketamine compared to an active comparator, midazolam, over 4 weeks, which involved two cohorts; Cohort 1 involved a fixed dose treatment protocol (0.5 mg/kg ketamine), Cohort 2 involved a dose escalation protocol (0.5-0.9 mg/kg) based on mood outcomes. Participants with treatment-resistant Major Depressive Disorder (MDD) were recruited from 7 mood disorder centres and were randomly assigned to receive ketamine (Cohort 1 n = 33; Cohort 2 n = 53) or midazolam (Cohort 1 n = 35; Cohort 2 n = 53) in a 1:1 ratio. Cognitive measurements were assessed at baseline and at the end of randomised treatment. RESULTS Results showed that in Cohort 1, there were no differences between ketamine and midazolam in cognitive outcomes. For Cohort 2, there was similarly no difference between conditions for cognitive outcomes. LIMITATIONS The study included two Cohorts with different dosing regimes. CONCLUSIONS The findings support the cognitive safety of repeated fixed and escalating doses at least in the short-term in people with treatment resistant MDD.
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Affiliation(s)
- Donel M Martin
- University of New South Wales, Sydney, NSW, Australia; Black Dog Institute, Sydney, NSW, Australia; The George Institute for Global Health, Sydney, NSW, Australia.
| | - Anna J Harvey
- University of New South Wales, Sydney, NSW, Australia; Black Dog Institute, Sydney, NSW, Australia
| | | | | | | | - Vanessa Dong
- University of New South Wales, Sydney, NSW, Australia; Black Dog Institute, Sydney, NSW, Australia
| | - Nick Glozier
- The University of Sydney, Sydney, NSW, Australia
| | - Paul Glue
- University of Otago, Dunedin, New Zealand
| | - Sean Hood
- University of Western Australia, Perth, WA, Australia
| | | | - Maree Hackett
- The George Institute for Global Health, Sydney, NSW, Australia
| | | | - Shanthi Sarma
- Bond University, Southport, QLD, Australia; Mental Health and Special Services, Gold Coast Health, QLD, Australia
| | | | - Anthony Rodgers
- The George Institute for Global Health, Sydney, NSW, Australia
| | - Colleen K Loo
- University of New South Wales, Sydney, NSW, Australia; Black Dog Institute, Sydney, NSW, Australia; The George Institute for Global Health, Sydney, NSW, Australia
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Aljuhani O, Al Sulaiman K, Korayem GB, Altebainawi AF, Alshaya A, Nahari M, Alsamnan K, Alkathiri MA, Al-Dosari BS, Alenazi AA, Alsohimi S, Alnajjar LI, Alfaifi M, AlQussair N, Alanazi RM, Alhmoud MF, Alanazi NL, Alkofide H, Alenezi AM, Vishwakarma R. Ketamine-based Sedation Use in Mechanically Ventilated Critically Ill Patients with COVID-19: A Multicenter Cohort Study. Saudi Pharm J 2024; 32:102061. [PMID: 38596319 PMCID: PMC11002878 DOI: 10.1016/j.jsps.2024.102061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2023] [Accepted: 04/01/2024] [Indexed: 04/11/2024] Open
Abstract
Backgrounds Ketamine possesses analgesia, anti-inflammation, anticonvulsant, and neuroprotection properties. However, the evidence that supports its use in mechanically ventilated critically ill patients with COVID-19 is insufficient. The study's goal was to assess ketamine's effectiveness and safety in critically ill, mechanically ventilated (MV) patients with COVID-19. Methods Adult critically ill patients with COVID-19 were included in a multicenter retrospective-prospective cohort study. Patients admitted between March 1, 2020, and July 31, 2021, to five ICUs in Saudi Arabia were included. Eligible patients who required MV within 24 hours of ICU admission were divided into two sub-cohort groups based on their use of ketamine (Control vs. Ketamine). The primary outcome was the length of stay (LOS) in the hospital. P/F ratio differences, lactic acid normalization, MV duration, and mortality were considered secondary outcomes. Propensity score (PS) matching was used (1:2 ratio) based on the selected criteria. Results In total, 1,130 patients met the eligibility criteria. Among these, 1036 patients (91.7 %) were in the control group, whereas 94 patients (8.3 %) received ketamine. The total number of patients after PS matching, was 264 patients, including 88 patients (33.3 %) who received ketamine. The ketamine group's LOS was significantly lower (beta coefficient (95 % CI): -0.26 (-0.45, -0.07), P = 0.008). Furthermore, the PaO2/FiO2 ratio significantly improved 24 hours after the start of ketamine treatment compared to the pre-treatment period (6 hours) (124.9 (92.1, 184.5) vs. 106 (73.1, 129.3; P = 0.002). Additionally, the ketamine group had a substantially shorter mean time for lactic acid normalization (beta coefficient (95 % CI): -1.55 (-2.42, -0.69), P 0.01). However, there were no significant differences in the duration of MV or mortality. Conclusions Ketamine-based sedation was associated with lower hospital LOS and faster lactic acid normalization but no mortality benefits in critically ill patients with COVID-19. Thus, larger prospective studies are recommended to assess the safety and effectiveness of ketamine as a sedative in critically ill adult patients.
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Affiliation(s)
- Ohoud Aljuhani
- Department of Pharmacy Practice, Faculty of Pharmacy, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Khalid Al Sulaiman
- Pharmaceutical Care Department, King Abdulaziz Medical City, Riyadh, Saudi Arabia
- College of Pharmacy, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
- King Abdullah International Medical Research Center-King Saud Bin Abdulaziz University for Health Sciences, Ministry of National Guard – Health Affairs, Riyadh, Saudi Arabia
- Saudi Critical Care Pharmacy Research (SCAPE) Platform, Riyadh, Saudi Arabia
- Saudi Society for Multidisciplinary Research Development and Education (SCAPE Society), Riyadh, Saudi Arbia
| | - Ghazwa B. Korayem
- Department of Pharmacy Practice, College of Pharmacy, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia
| | - Ali F. Altebainawi
- Pharmaceutical Care Services, King Salman Specialist Hospital, Hail Health Cluster, Hail, Saudi Arabia
- Department of Clinical Pharmacy, College of Pharmacy, University of Hail, Hail, Saudi Arabia
| | - Abdulrahman Alshaya
- Pharmaceutical Care Department, King Abdulaziz Medical City, Riyadh, Saudi Arabia
- College of Pharmacy, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
- King Abdullah International Medical Research Center-King Saud Bin Abdulaziz University for Health Sciences, Ministry of National Guard – Health Affairs, Riyadh, Saudi Arabia
| | - Majed Nahari
- Pharmaceutical Care Services, King Abdullah bin Abdulaziz University Hospital, Riyadh, Saudi Arabia
| | - Khuzama Alsamnan
- Department of Pharmacy Practice, College of Pharmacy, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia
| | - Munirah A. Alkathiri
- Pharmaceutical Care Department, King Abdulaziz Medical City, Riyadh, Saudi Arabia
| | - Bodoor S. Al-Dosari
- Pharmaceutical Care Services, King Abdulaziz University Hospital, Jeddah, Saudi Arabia
| | - Abeer A. Alenazi
- Pharmaceutical Care Department, Prince Sultan Military Medical City, Riyadh, Saudi Arabia
| | - Samiah Alsohimi
- Pharmaceutical Care Department, Prince Sultan Military Medical City, Riyadh, Saudi Arabia
| | - Lina I. Alnajjar
- Department of Pharmacy Practice, College of Pharmacy, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh 11671, Saudi Arabia
| | - Mashael Alfaifi
- Pharmaceutical Care Department, King Abdulaziz Medical City, Riyadh, Saudi Arabia
| | - Nora AlQussair
- Pharmaceutical Care Department, King Abdulaziz Medical City, Riyadh, Saudi Arabia
| | - Reem M. Alanazi
- College of Pharmacy, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
| | - Munirah F. Alhmoud
- College of Pharmacy, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
| | - Nadin L. Alanazi
- Pharmaceutical Care Department, King Abdulaziz Medical City, Riyadh, Saudi Arabia
| | - Hadeel Alkofide
- Department of Clinical Pharmacy, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Aljawharah M. Alenezi
- College of Pharmacy, King Saud bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia
| | - Ramesh Vishwakarma
- Norwich Medical School, University of East Anglia, Norwich, United Kingdom
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Tahvili F, Destexhe A. A mean-field model of gamma-frequency oscillations in networks of excitatory and inhibitory neurons. J Comput Neurosci 2024; 52:165-181. [PMID: 38512693 DOI: 10.1007/s10827-024-00867-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 02/22/2024] [Accepted: 02/27/2024] [Indexed: 03/23/2024]
Abstract
Gamma oscillations are widely seen in the cerebral cortex in different states of the wake-sleep cycle and are thought to play a role in sensory processing and cognition. Here, we study the emergence of gamma oscillations at two levels, in networks of spiking neurons, and a mean-field model. At the network level, we consider two different mechanisms to generate gamma oscillations and show that they are best seen if one takes into account the synaptic delay between neurons. At the mean-field level, we show that, by introducing delays, the mean-field can also produce gamma oscillations. The mean-field matches the mean activity of excitatory and inhibitory populations of the spiking network, as well as their oscillation frequencies, for both mechanisms. This mean-field model of gamma oscillations should be a useful tool to investigate large-scale interactions through gamma oscillations in the brain.
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Affiliation(s)
- Farzin Tahvili
- Institute of Neuroscience (NeuroPSI), Paris-Saclay University, CNRS, 91400, Saclay, France
- Stem-cell & Brain Research Institute (SBRI), 69500, Bron Cedex, France
| | - Alain Destexhe
- Institute of Neuroscience (NeuroPSI), Paris-Saclay University, CNRS, 91400, Saclay, France.
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31
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Singh B, Parikh SV, Voort JLV, Pazdernik VK, Achtyes ED, Goes FS, Yocum AK, Nykamp L, Becerra A, Smart L, Greden JF, Bobo WV, Frye MA, Burdick KE, Ryan KA. Change in neurocognitive functioning in patients with treatment-resistant depression with serial intravenous ketamine infusions: The Bio-K multicenter trial. Psychiatry Res 2024; 335:115829. [PMID: 38479192 DOI: 10.1016/j.psychres.2024.115829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Revised: 02/06/2024] [Accepted: 02/25/2024] [Indexed: 04/14/2024]
Abstract
This nonrandomized, multicenter, open-label clinical trial explored the impact of intravenous (IV) ketamine on cognitive function in adults (n = 74) with treatment-resistant depression (TRD). Patients received three IV ketamine infusions during the acute phase and, if remitted, four additional infusions in the continuation phase (Mayo site). Cognitive assessments using the Repeatable Battery for the Assessment of Neuropsychological Status (RBANS) were conducted at baseline, end of the acute phase, and end of the continuation phase (Mayo site). Results showed a significant 53 % (39/74) remission rate in depression symptoms after the acute phase. In adjusted models, baseline language domain score was associated with a higher odd of remission (Odds Ratio, 1.09, 95 % CI = 1.03-1.17, p = 0.004) and greater improvement in MADRS at the end of the acute phase (β =-0.97; 95 % CI, -1.74 to -0.20; P = 0.02). The likelihood of remission was not significantly associated with baseline immediate or delayed memory, visuospatial/constructional, or attention scores. In the continuation phase, improvements in immediate and delayed memory and attention persisted, with additional gains in visuospatial and language domains. Limitations included an open-label design, potential practice effects, and ongoing psychotropic medication use. Overall, the study suggests cognitive improvement, not deterioration, associated with serial IV ketamine administrations for TRD. These findings encourage future studies with larger sample sizes and longer follow-up periods to examine any potential for deleterious effect with recurrent ketamine use for TRD. Trial Registration: ClinicalTrials.gov: NCT03156504.
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Affiliation(s)
- Balwinder Singh
- Department of Psychiatry and Psychology, Mayo Clinic, Rochester, MN, USA.
| | - Sagar V Parikh
- Department of Psychiatry, University of Michigan, Ann Arbor, MI, USA
| | | | | | - Eric D Achtyes
- Western Michigan University Homer Stryker M.D. School of Medicine, Kalamazoo, MI, USA
| | - Fernando S Goes
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - Anastasia K Yocum
- Department of Psychiatry, University of Michigan, Ann Arbor, MI, USA
| | - Louis Nykamp
- Pine Rest Christian Mental Health Services, Michigan State University, Grand Rapids, MI, USA
| | - Alexis Becerra
- Department of Psychiatry and Behavioral Sciences, Johns Hopkins School of Medicine, Baltimore, MD, USA
| | - LeAnn Smart
- Pine Rest Christian Mental Health Services, Michigan State University, Grand Rapids, MI, USA
| | - John F Greden
- Department of Psychiatry, University of Michigan, Ann Arbor, MI, USA
| | - William V Bobo
- Department of Psychiatry and Psychology, Mayo Clinic, Jacksonville, FL, USA
| | - Mark A Frye
- Department of Psychiatry and Psychology, Mayo Clinic, Rochester, MN, USA
| | | | - Kelly A Ryan
- Department of Psychiatry, University of Michigan, Ann Arbor, MI, USA
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Wang J, Liu H, Wei X. Effect of intraoperative and/or postoperative es ketamine administration on preventing postpartum depression: A systematic review and meta-analysis. Psychiatry Res 2024; 335:115890. [PMID: 38579458 DOI: 10.1016/j.psychres.2024.115890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 03/31/2024] [Accepted: 04/01/2024] [Indexed: 04/07/2024]
Abstract
This systematic review and meta-analysis aimed to evaluate the impact of intraoperative and/or postoperative esketamine application on the prevention of postpartum depression (PPD). PubMed, Embase, and Web of Science were thoroughly searched for eligible randomized controlled trials (RCTs) regarding the application of esketamine for postnatal depression prevention. Nine RCTs including 1277 participants were involved in the final analysis. It was found that intraoperative and/or postoperative administration of esketamine significantly reduced the PPD incidence and the Edinburgh Postnatal Depression Scores in the early postoperative period. Meanwhile, esketamine lowered the occurrence of postoperative nausea and vomiting with no influence on other psychiatric symptoms.
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Affiliation(s)
- Jinping Wang
- Department of Anesthesiology, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Hui Liu
- Department of Anesthesiology, West China Second University Hospital-Tianfu, Sichuan University, Meishan 620500, China
| | - Xinchuan Wei
- Department of Anesthesiology, West China Second University Hospital-Tianfu, Sichuan University, Meishan 620500, China; Department of Anesthesiology, Sichuan Provincial Children's Hospital, Meishan 620500, China.
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33
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Kheirkhah M, Nugent AC, Livinski AA, Neely L, Johnson SC, Henter ID, Varnosfaderani SD, Price RB, Hejazi N, Yavi M, Jamalabadi H, Javaheripour N, Walter M, Zarate CA. Exploring the impact of music on response to ketamine/esketamine: A scoping review. Neurosci Biobehav Rev 2024; 162:105693. [PMID: 38697379 DOI: 10.1016/j.neubiorev.2024.105693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2024] [Revised: 04/24/2024] [Accepted: 04/25/2024] [Indexed: 05/05/2024]
Abstract
Music and ketamine are both known to affect therapeutic outcomes, but few studies have investigated their co-administration. This scoping review describes the existing literature on the joint use of music and ketamine-or esketamine (the S(+) enantiomer of ketamine)-in humans. The review considers that extant studies have explored the intersection of ketamine/esketamine and music in healthy volunteers and in patients of various age groups, at different dosages, through different treatment processes, and have varied the sequence of playing music relative to ketamine/esketamine administration. Studies investigating the use of music during ketamine anesthesia are also included in the review because anesthesia and sedation were the early drivers of ketamine use. Studies pertaining to recreational ketamine use were omitted. The review was limited to articles published in the English language but not restricted by publication year. To the best of our knowledge, this scoping review is the first comprehensive exploration of the interplay between music and ketamine/esketamine and offers valuable insights to researchers interested in designing future studies.
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Affiliation(s)
- Mina Kheirkhah
- Experimental Therapeutics and Pathophysiology Branch, National Institute of Mental Health, National Institutes of Health, Bethesda, MD, USA; Department of Psychiatry and Psychotherapy, Jena University Hospital, Jena, Germany.
| | - Allison C Nugent
- Magnetoencephalography Core, National Institute of Mental Health, Bethesda, MD, USA
| | - Alicia A Livinski
- NIH Library, Office of Research Services, Office of the Director, National Institutes of Health, Bethesda, MD, USA
| | - Lucinda Neely
- Experimental Therapeutics and Pathophysiology Branch, National Institute of Mental Health, National Institutes of Health, Bethesda, MD, USA
| | - Sara C Johnson
- Department of Psychological Sciences, University of Connecticut, USA
| | - Ioline D Henter
- Experimental Therapeutics and Pathophysiology Branch, National Institute of Mental Health, National Institutes of Health, Bethesda, MD, USA
| | | | - Rebecca B Price
- Departments of Psychiatry and Psychology, University of Pittsburgh, Pittsburgh, PA, USA
| | - Nadia Hejazi
- Experimental Therapeutics and Pathophysiology Branch, National Institute of Mental Health, National Institutes of Health, Bethesda, MD, USA
| | - Mani Yavi
- Experimental Therapeutics and Pathophysiology Branch, National Institute of Mental Health, National Institutes of Health, Bethesda, MD, USA
| | - Hamidreza Jamalabadi
- Department of Psychiatry and Psychotherapy, Philipps University of Marburg, Germany
| | - Nooshin Javaheripour
- Department of Psychiatry and Psychotherapy, Jena University Hospital, Jena, Germany
| | - Martin Walter
- Department of Psychiatry and Psychotherapy, Jena University Hospital, Jena, Germany; Department of Psychiatry and Psychotherapy, University of Tübingen, Tübingen, Germany
| | - Carlos A Zarate
- Experimental Therapeutics and Pathophysiology Branch, National Institute of Mental Health, National Institutes of Health, Bethesda, MD, USA
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Sandström K, Kampman O, Asellus P. A retrospective analysis of iv ketamine outcome on hospitalisations in an unselected psychiatric sample. Acta Neuropsychiatr 2024:1-7. [PMID: 38659205 DOI: 10.1017/neu.2024.18] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/26/2024]
Abstract
OBJECTIVE This study aims to explore the outcome with iv ketamine treatment in a real-world clinical setting, primarily measured as posttreatment days hospitalised. METHODS The psychiatric medical records of 46 patients having received iv ketamine on a psychiatric treatment indication between 2015 and 2018 were retrospectively examined. Analysis comparing the number and duration of hospital admissions before and after ketamine treatment as well as logistic regression analysis to investigate clinical predictors of effectiveness, were performed. To assess patients' severity of depressed symptoms records were screened for MADRS-S scores. RESULTS No significant difference between pre- and posttreatment hospital days (p = 0.170), or number of hospitalisations (p = 0.740) were found. The response rate was 31% and remission rate 21%. None of the predictors showed statistical significance in the logistic model. CONCLUSION Iv ketamine treatment showed effectiveness in reducing depressive symptoms even with complex patients in a real-world clinical setting. However, this did not translate to a reduction in hospitalisation. Highlighting the multifaceted challenges posed when implementing iv ketamine treatment in clinical practice.
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Affiliation(s)
- Karl Sandström
- Department of Clinical Sciences (Psychiatry), Umeå University, Umeå, Sweden
| | - Olli Kampman
- Department of Clinical Sciences (Psychiatry), Umeå University, Umeå, Sweden
- Faculty of Medicine, Department of Clinical Medicine (Psychiatry), University of Turku, Turku, Finland
- Department of Psychiatry, The Wellbeing Services County of Ostrobothnia, Finland
- Faculty of Medicine and Health Technology, Tampere University, Tampere, Finland
- Department of Psychiatry, The Pirkanmaa Wellbeing Services County, Tampere, Finland
| | - Peter Asellus
- Department of Clinical Sciences (Psychiatry), Umeå University, Umeå, Sweden
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Zhao LY, Zhang GF, Lou XJ, Hashimoto K, Yang JJ. Ketamine and its enantiomers for depression: a bibliometric analysis from 2000 to 2023. Eur Arch Psychiatry Clin Neurosci 2024:10.1007/s00406-024-01809-9. [PMID: 38662093 DOI: 10.1007/s00406-024-01809-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Accepted: 04/02/2024] [Indexed: 04/26/2024]
Abstract
Ketamine has demonstrated rapid and sustained antidepressant effects, marking its emergence as an innovative treatment of depression. Despite the growing number of preclinical and clinical studies exploring the antidepressant effects of ketamine and its enantiomers, a comprehensive bibliometric analysis in this field has yet to be conducted. This study employs bibliometric methods and visualization tools to examine the literature and identify key topics related to the antidepressant effects of ketamine and its enantiomers. We sourced publications on the antidepressant effects of ketamine and its enantiomers from the Web of Science Core Collection (WOSCC) database, covering the period from 2000 to 2023. Tools such as VOSviewer, CiteSpace and the R package "bibliometrix" were utilized for visual analysis. The study included 4,274 publications, with a notable increase in publications peaking in 2022. Co-occurrence analysis highlighted two primary research focal points: the efficacy and safety of ketamine and its enantiomers in treating depression, and the mechanisms behind their antidepressant effects. In conclusion, this analysis revealed a significant increase in research on the antidepressant effects of ketamine and its enantiomers over the past two decades, leading to the approval of esketamine nasal spray for treatment-resistant depression. The rapid antidepressant effects of ketamine have spurred further studies into its mechanisms of action and the search for new antidepressants with fewer side effects.
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Affiliation(s)
- Li-Yuan Zhao
- Department of Anesthesiology, Pain and Perioperative Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450000, China
| | - Guang-Fen Zhang
- Department of Anesthesiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, China
| | - Xue-Jie Lou
- Department of Anesthesiology, Pain and Perioperative Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450000, China
| | - Kenji Hashimoto
- Department of Anesthesiology, Pain and Perioperative Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450000, China.
- Division of Clinical Neuroscience, Chiba University Center for Forensic Mental Health, Chiba, 260-8670, Japan.
| | - Jian-Jun Yang
- Department of Anesthesiology, Pain and Perioperative Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, 450000, China.
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36
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Anzolin AP, Baldez DP, Montezano BB, Kapczinski F, de Abreu PB, Kauer-Sant'Anna M. Subcutaneous ketamine reduces suicide risk and improves functioning in depression: A proof-of-concept study. Psychiatry Res 2024; 337:115915. [PMID: 38688118 DOI: 10.1016/j.psychres.2024.115915] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Revised: 04/06/2024] [Accepted: 04/11/2024] [Indexed: 05/02/2024]
Abstract
This investigation explores the efficacy of subcutaneous ketamine for mitigating depressive symptoms and suicidal ideation, addressing a crucial need for rapid-onset treatments in severe depression cases. It introduces an innovative approach to administering an NMDA receptor antagonist, significantly advancing psychopharmacological methods for treating suicidal behaviors as distinct entities, even within depressive episodes. The study's objective is to assess the impact of subcutaneous ketamine on diminishing suicidal thoughts and mood symptoms during depressive episodes through a naturalistic, prospective observational design. Conducted at Hospital de Clínicas de Porto Alegre, Brazil, between 2021 and 2023, the study involved 26 patients undergoing a current depressive episode. Of these, 23 completed the acute phase of treatment, and 18 were followed up for 6 months. The treatment regimen commenced with a ketamine dose of 0.5 mg/kg, which was adjusted according to individual responses under psychiatric supervision. The findings revealed substantial decreases in Columbia Suicide Severity Rating Scale scores following multiple ketamine sessions, with most patients achieving remission after approximately eight sessions. A notable reduction in depressive symptoms was also observed. A clear dose-response relationship was established, indicating that higher doses of ketamine were associated with more significant improvements in depressive symptoms, suicidal ideation, and overall functionality. Follow-up assessments suggested that these improvements were sustained over time. The subcutaneous administration of ketamine was generally well-tolerated, with minor and short-lived side effects. The study posits that subcutaneous ketamine may present a promising solution for treating severe depression accompanied by suicidal tendencies, particularly considering its positive influence on patient functionality and well-being. This method could offer a cost-effective and accessible treatment alternative, especially relevant in settings with limited resources. Given its potential in reducing long-term disability and economic viability, the study advocates for its broader application and further validation through larger, controlled trials. Trial Registration: ClinicalTrials.gov NCT05249309.
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Affiliation(s)
- Ana Paula Anzolin
- Graduate Program in Biological Sciences: Biochemistry, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil; Laboratory of Molecular Psychiatry, Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, RS, Brazil
| | - Daniel Prates Baldez
- Laboratory of Molecular Psychiatry, Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, RS, Brazil; Graduate Program in Psychiatry and Behavioral Sciences, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil; Department of Psychiatry, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Bruno Braga Montezano
- Laboratory of Molecular Psychiatry, Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, RS, Brazil; Graduate Program in Psychiatry and Behavioral Sciences, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil
| | - Flavio Kapczinski
- Laboratory of Molecular Psychiatry, Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, RS, Brazil; Graduate Program in Psychiatry and Behavioral Sciences, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil; Department of Psychiatry, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Paulo Belmonte de Abreu
- Graduate Program in Psychiatry and Behavioral Sciences, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil; Department of Psychiatry, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Márcia Kauer-Sant'Anna
- Graduate Program in Biological Sciences: Biochemistry, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil; Laboratory of Molecular Psychiatry, Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, RS, Brazil; Graduate Program in Psychiatry and Behavioral Sciences, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil; Department of Psychiatry, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil.
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Olivares-Berjaga D, Martínez-Pinteño A, Rodríguez N, Madero S, Prohens L, Martínez-Serrano I, Mas S, Morén C, Parellada E, Gassó P. Effects of the PAM of mGluR2, JNJ-46356479, on brain apoptotic protein levels in a mouse model of schizophrenia. Prog Neuropsychopharmacol Biol Psychiatry 2024; 131:110955. [PMID: 38296154 DOI: 10.1016/j.pnpbp.2024.110955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 01/25/2024] [Accepted: 01/28/2024] [Indexed: 02/12/2024]
Abstract
Current treatment for schizophrenia (SZ) ameliorates the positive symptoms, but is inefficient in treating the negative and cognitive symptoms. The SZ glutamatergic dysfunction hypothesis has opened new avenues in the development of novel drugs targeting the glutamate storm, an inducer of progressive neuropathological changes. Positive allosteric modulators of metabotropic glutamate receptor 2 (mGluR2), such as JNJ-46356479 (JNJ), reduce the presynaptic release of glutamate, which has previously been demonstrated to attenuate glutamate- and dopamine-induced apoptosis in human neuroblastoma cell cultures. We hypothesised that JNJ treatment would modify the brain levels of apoptotic proteins in a mouse model of ketamine (KET)-induced schizophrenia. We analysed the levels of proapoptotic (caspase-3 and Bax) and antiapoptotic (Bcl-2) proteins by western blot in the prefrontal cortex and hippocampus of JNJ-treated mice. JNJ attenuated apoptosis in the brain by partially restoring the levels of the antiapoptotic Bcl-2 protein, which is significantly reduced in animals exposed to KET. Additionally, a significant inverse correlation was observed between proapoptotic protein levels and behavioural deficits in the mice. Our findings suggest that JNJ may attenuate brain apoptosis in vivo, as previously described in cell cultures, providing a link between neuropathological deficits and SZ symptomatology.
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Affiliation(s)
| | - Albert Martínez-Pinteño
- Dept. of Basic Clinical Practice, University of Barcelona, Spain; Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain.
| | - Natalia Rodríguez
- Dept. of Basic Clinical Practice, University of Barcelona, Spain; Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain.
| | - Santiago Madero
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Spain; Barcelona Clínic Schizophrenia Unit (BCSU), Dpt. of Psychiatry, Institute of Neuroscience, Hospital Clínic of Barcelona, University of Barcelona, Spain.
| | - Llucía Prohens
- Dept. of Basic Clinical Practice, University of Barcelona, Spain.
| | | | - Sergi Mas
- Dept. of Basic Clinical Practice, University of Barcelona, Spain; Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Spain.
| | - Constanza Morén
- Dept. of Basic Clinical Practice, University of Barcelona, Spain; Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Barcelona Clínic Schizophrenia Unit (BCSU), Dpt. of Psychiatry, Institute of Neuroscience, Hospital Clínic of Barcelona, University of Barcelona, Spain; Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Spain.
| | - Eduard Parellada
- Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Spain; Barcelona Clínic Schizophrenia Unit (BCSU), Dpt. of Psychiatry, Institute of Neuroscience, Hospital Clínic of Barcelona, University of Barcelona, Spain.
| | - Patricia Gassó
- Dept. of Basic Clinical Practice, University of Barcelona, Spain; Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain; Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), Spain.
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Baldinger-Melich P, Spies M, Bozic I, Kasper S, Rujescu D, Frey R. Perspectives in treatment-resistant depression: es ketamine and electroconvulsive therapy. Wien Klin Wochenschr 2024:10.1007/s00508-024-02358-w. [PMID: 38662240 DOI: 10.1007/s00508-024-02358-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Accepted: 02/23/2024] [Indexed: 04/26/2024]
Abstract
Modern electroconvulsive therapy (ECT) and the approval of nasal esketamine for clinical use have significantly improved the approach to treatment-resistant depression (TRD), which is defined as non-response to at least two different courses of antidepressants with verified adherence to treatment, adequate dosage, and duration of treatment. The goal of this literature review is to present the newest evidence regarding efficacy and safety. Furthermore, we aim to provide an overview of future perspectives in this field of research, for example, regarding structural and molecular effects. Both treatment methods will be critically evaluated for their individual advantages, disadvantages, and response rates. Firstly, we will discuss the well-established method of ECT and its different treatment modalities. Secondly, we will discuss the properties of ketamine, the discovery of its antidepressive effects and the route to clinical approval of the esketamine nasal spray. We will comment on research settings which have evaluated intravenous ketamine against ECT. The decision-making process between esketamine nasal spray or ECT should include the assessment of contraindications, age, severity of disease, presence of psychotic symptoms, patient preference and treatment accessibility. We conclude that both treatment options are highly effective in TRD. If both are indicated, pragmatically esketamine will be chosen before ECT; however, ECT studies in ketamine non-responders are missing.
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Affiliation(s)
- Pia Baldinger-Melich
- Department of Psychiatry and Psychotherapy, Clinical Division of General Psychiatry, Medical University Vienna, Vienna, Austria
- Comprehensive Center for Clinical Neurosciences and Mental Health (C3NMH), Vienna, Austria
| | - Marie Spies
- Department of Psychiatry and Psychotherapy, Clinical Division of General Psychiatry, Medical University Vienna, Vienna, Austria
- Comprehensive Center for Clinical Neurosciences and Mental Health (C3NMH), Vienna, Austria
| | - Ina Bozic
- Department of Psychiatry and Psychotherapy, Clinical Division of General Psychiatry, Medical University Vienna, Vienna, Austria
- Comprehensive Center for Clinical Neurosciences and Mental Health (C3NMH), Vienna, Austria
| | - Siegfried Kasper
- Department of Molecular Neurosciences, Center for Brain Research, Vienna, Austria
| | - Dan Rujescu
- Department of Psychiatry and Psychotherapy, Clinical Division of General Psychiatry, Medical University Vienna, Vienna, Austria
- Comprehensive Center for Clinical Neurosciences and Mental Health (C3NMH), Vienna, Austria
| | - Richard Frey
- Department of Psychiatry and Psychotherapy, Clinical Division of General Psychiatry, Medical University Vienna, Vienna, Austria.
- Comprehensive Center for Clinical Neurosciences and Mental Health (C3NMH), Vienna, Austria.
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Millen AME, Daniels WMU, Baijnath S. Depression, an unmet health need in Africa: Understanding the promise of ketamine. Heliyon 2024; 10:e28610. [PMID: 38601594 PMCID: PMC11004535 DOI: 10.1016/j.heliyon.2024.e28610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2023] [Revised: 03/21/2024] [Accepted: 03/21/2024] [Indexed: 04/12/2024] Open
Abstract
In Africa, there is currently a paucity of data on the epidemiology of depression, its treatment and management. The prevalence of depression is severely underestimated, with unique circumstances and societal risk factors associated with depression and its public awareness. Treating and managing depression is confounded by an inaccessibility to efficient and low-cost treatments for patients with depression. The aetiology of depression is multifactorial, with various theories implicating multiple neuronal networks. Despite this, the treatment of depression is one-dimensional focussing on outdated theories of depression and mainly targeting dysfunctional neurotransmitter pathways. Hence, it is not surprising that there is a significant increase in the prevalence of patients suffering from treatment resistant depression (TRD), with a large portion of patients deriving little clinical benefit from these traditional anti-depressant therapies. This highlights the need for more effective treatment strategies for depression, especially applicable to resource limited environments such as Africa, where there is little investment in public healthcare resources towards managing mental health disorders. The clinical potential of using ketamine in managing depression has received considerable attention in the past two decades, with the FDA approving esketamine for the management of TRD in 2019. This widespread attention has significantly increased ketamine's appeal as a novel antidepressant. Consequently, many ketamine infusion clinics have been established in Africa. However, there is little regulation or guidance for ketamine infusions. Furthermore, while esketamine is expensive and hence inaccessible to a large portion of the African population, racemic ketamine is significantly cheaper and has demonstrated clinical potential. However, there is currently a limited understanding of the neurological mechanisms of action of racemic ketamine in treating and managing depression, especially in a diverse African population. Therefore, this review aims to provide an African context of depression and the therapeutic potential of ketamine by highlighting aspects of its molecular mechanism of action.
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Affiliation(s)
- Aletta ME. Millen
- Integrated Molecular Physiology Research Initiative, School of Physiology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - William MU. Daniels
- School of Physiology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
| | - Sooraj Baijnath
- Integrated Molecular Physiology Research Initiative, School of Physiology, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
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Brody BD, Park N, Christian A, Shaffer CW, Smetana R, Kotbi N, Russ MJ, Kanellopoulos D. Ketamine for major depressive disorder during an inpatient psychiatric admission: Effectiveness, adverse events, and lessons learned. J Affect Disord 2024; 351:293-298. [PMID: 38286230 DOI: 10.1016/j.jad.2024.01.207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 01/19/2024] [Accepted: 01/22/2024] [Indexed: 01/31/2024]
Abstract
OBJECTIVE Most studies examining the efficacy of ketamine for Major Depressive Disorder (MDD) have been conducted in outpatient or mixed inpatient/outpatient settings. Less is known about effectiveness and tolerability of ketamine for psychiatrically hospitalized patients. Efficacy and tolerability data from a naturalistic sample of acute inpatients may help inform institutions considering ketamine therapy for inpatient services. METHODS We performed a retrospective chart review of inpatients with non-psychotic MDD treated during the initial 3 years of a ketamine infusion program. Treatment effectiveness was defined using change in Montgomery Asberg Depression Rating Scale (MADRS) scores over five infusions. MDD treatment response was defined by a 50 % reduction of MADRS score, and remission was defined as MADRS score ≤ 10 at any point during the treatment. We also report the frequency of adverse events. RESULTS 41 patients with MDD were treated and had outcome data. 19 patients (46.5 %) met criteria for response and 15 patients (26.5 %) met criteria for remission during treatment. Four patients (10 %) had adverse psychological or behavioral outcomes. LIMITATIONS MADRS scales were administered by psychiatrists, psychologists, and trainees in each discipline who did not undergo standardized training in scale administration. Consistent data regarding the race/ethnicity of the patients was not available. CONCLUSION Twice weekly racemic ketamine infusion is an effective treatment option for patients hospitalized with MDD. Unmonitored or at home ketamine therapy may pose substantial risks.
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Affiliation(s)
- Benjamin D Brody
- Weill Cornell Medicine/Psychiatry, New York and White Plains, NY, United States of America.
| | - Nana Park
- New York Presbyterian Hospital, United States of America
| | | | - Charles W Shaffer
- Weill Cornell Medicine/Psychiatry, New York and White Plains, NY, United States of America
| | - Roy Smetana
- Weill Cornell Medicine/Psychiatry, New York and White Plains, NY, United States of America
| | - Nabil Kotbi
- Weill Cornell Medicine/Psychiatry, New York and White Plains, NY, United States of America
| | - Mark J Russ
- Silver Hill Hospital, United States of America
| | - Dora Kanellopoulos
- Weill Cornell Medicine/Psychiatry, New York and White Plains, NY, United States of America
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Li S, Zhou W, Li P, Lin R. Effects of ketamine and esketamine on preventing postpartum depression after cesarean delivery: A meta-analysis. J Affect Disord 2024; 351:720-728. [PMID: 38286233 DOI: 10.1016/j.jad.2024.01.202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/12/2023] [Revised: 01/17/2024] [Accepted: 01/22/2024] [Indexed: 01/31/2024]
Abstract
BACKGROUND Ketamine and esketamine has been suggested to have potential efficacy in preventing postpartum depression (PPD) recent years. The aim of this meta-analysis was to evaluate the effectiveness of ketamine and esketamine on PPD after cesarean delivery. METHODS We systematically searched PubMed, Embase, and the Cochrane Library for studies investigating the efficacy of ketamine and esketamine in preventing PPD. The primary outcomes of this study were risk ratios (RRs) and EPDS scores (Edinburgh Postnatal Depression Scale) in relation to PPD after ketamine and esketamine. The second outcomes were the postoperative adverse events. RESULTS Thirteen randomized controlled trials (RCTs) and one retrospective study including 2916 patients were analyzed, including six on the use of ketamine and eight on the use of esketamine. The risk ratios and EPDS scores of PPD were significantly decreased in the ketamine/esketamine group compared to those in the control group in one week and four weeks postoperative periods. Subgroup analyses showed that high dosage, administrated in patient controlled intravenous analgesia (PCIA) method and only esketamine exhibited a significant reduction in the incidence and EPDS scores of PPD in one week and four week postoperative. However, the incidences of postoperative adverse events, such as dizziness, diplopia, hallucination, and headache were significantly higher in the ketamine/esketamine group than that in the control group. CONCLUSION Ketamine and esketamine appear to be effective in preventing PPD in the one week and four week postoperative periods after cesarean delivery with moderate certainty of evidence. But they can also lead to some short-term complications too. Future high-quality studies are needed to confirm the efficacy of ketamine and esketamine in different countries.
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Affiliation(s)
- Shuying Li
- Department of Anesthesiology, West China Second Hospital of Sichuan University, Key laboratory of Birth Deficits and related Diseases of Women and Children, Sichuan University, Ministry of Education, Chengdu, China
| | - Wenqin Zhou
- Department of Anesthesiology, West China Second Hospital of Sichuan University, Key laboratory of Birth Deficits and related Diseases of Women and Children, Sichuan University, Ministry of Education, Chengdu, China
| | - Ping Li
- Department of Anesthesiology, West China Second Hospital of Sichuan University, Key laboratory of Birth Deficits and related Diseases of Women and Children, Sichuan University, Ministry of Education, Chengdu, China.
| | - Rongqian Lin
- Department of Clinical Medicine, Sichuan University, Chengdu, Sichuan, China
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Effects of ketamine, propofol and isoflurane on electrocardiographic variables in clinically healthy dogs premedicated with medetomidine and midazolam. Vet Res Forum 2024; 15:187-94. [PMID: 38770200 DOI: 10.30466/vrf.2024.2008055.3954] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Accepted: 01/08/2024] [Indexed: 05/22/2024]
Abstract
The purpose of this study was to investigate the effects of three anesthetic agents, with premedication of medetomidine and midazolam, on electrocardiographic variables in dogs. Ten adult mixed breed dogs were used in a crossover design study, where they received ketamine, propofol and isoflurane treatments with a one-week washout period between them. In all three groups, medetomidine was administered first followed by midazolam after 15 min. Then, after 20 min, group 1 received ketamine intravenously (IV), group 2 received propofol (IV), and group 3 received isoflurane (inhalation). In all dogs, electrocardiographs were taken before and after premedication's, as well as every 15 min during anesthesia. Medetomidine significantly decreased heart rate and P wave amplitude and increased PR interval, R wave amplitude, QT interval, and T wave amplitude. Midazolam increased the amplitude of the R and T waves. Ketamine increased the heart rate and PR interval. Propofol increased the heart rate for up to 15 min, decreased the PR interval for up to 30 min, and the QT interval for up to 45 min. Isoflurane increased the heart rate and decreased the amplitude of R and T waves. The results showed that the drugs used in this study did not have many side effects on electrocardiographic variables and could be used without serious concern. The most important side effects observed were a severe reduction in heart rate and 1st degree atrioventricular (AV) block and, to a lesser extent, 2nd degree AV block caused by medetomidine and midazolam which were masked by the anesthetics.
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Singh B, Vande Voort JL, Pazdernik VK, Frye MA, Kung S. Treatment-resistant depression patients with baseline suicidal ideation required more treatments to achieve therapeutic response with ketamine/esketamine. J Affect Disord 2024; 351:534-540. [PMID: 38302067 DOI: 10.1016/j.jad.2024.01.262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 01/19/2024] [Accepted: 01/29/2024] [Indexed: 02/03/2024]
Abstract
BACKGROUND There is an urgent need to identify interventions to reduce suicidality. We investigated the antisuicidal effects of intravenous (IV) ketamine and intranasal (IN) esketamine among patients with treatment-resistant depression (TRD) in a historical cohort study. METHODS The Quick Inventory of Depressive Symptomatology self-report (QIDS-SR) question 12 was used to measure suicidal ideation (SI). Cox proportional hazards models were used to evaluate associations between the number of treatments to response and baseline SI (yes, Q12 > 0 versus no, Q12 = 0), adjusting for covariates and modified baseline QIDS-SR score. We evaluated associations between the number of treatments to a 50 % reduction in SI score between IV and IN treatment. RESULTS Fifty-two adults (62.5 % female, median age 49.1 years) received IV ketamine (71 %, n = 37) or IN esketamine (29 %, n = 15). Eighty-one percent of patients reported SI at baseline. Among those with baseline SI, 60 % had improved SI scores while 38 % did not change, and among those with no SI, 80 % did not change. After adjusting for covariates, the hazard ratios (HR) of response were significantly lower among those with baseline SI (HR = 0.36, 95 % CI, 0.14-0.92, p = 0.03). The number of treatments to achieve a 50 % reduction in SI score did not depend on group (IN esketamine vs. IV ketamine HR = 0.74 [95 % CI, 0.27-2.05]; p = 0.57). LIMITATIONS Small sample size and lack of a placebo group. CONCLUSIONS This study suggests that patients with baseline suicidal ideation require more treatments to achieve a response with ketamine or esketamine. The antisuicidal response seemed similar between IV ketamine and IN esketamine.
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Affiliation(s)
- Balwinder Singh
- Department of Psychiatry and Psychology, Mayo Clinic, Rochester, MN, United States of America.
| | - Jennifer L Vande Voort
- Department of Psychiatry and Psychology, Mayo Clinic, Rochester, MN, United States of America
| | - Vanessa K Pazdernik
- Department of Quantitative Health Sciences, Mayo Clinic, Rochester, MN, United States of America
| | - Mark A Frye
- Department of Psychiatry and Psychology, Mayo Clinic, Rochester, MN, United States of America
| | - Simon Kung
- Department of Psychiatry and Psychology, Mayo Clinic, Rochester, MN, United States of America
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Kuki I, Inoue T, Fukuoka M, Nukui M, Okuno H, Amo K, Otsuka Y, Ishikawa J, Rinka H, Ujiro A, Togawa M, Shiomi M, Okazaki S. Efficacy and safety of ketamine for pediatric and adolescent super-refractory status epilepticus and the effect of cerebral inflammatory conditions. J Neurol Sci 2024; 459:122950. [PMID: 38461760 DOI: 10.1016/j.jns.2024.122950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 02/22/2024] [Accepted: 03/04/2024] [Indexed: 03/12/2024]
Abstract
OBJECTIVE To investigate the short-term benefits and adverse effects of ketamine in the treatment of pediatric and adolescent super-refractory status epilepticus (SRSE), with a focus on the inflammatory etiology. METHODS This retrospective observational cohort study included a consecutive series of 18 pediatric to adolescent patients with SRSE admitted between 2008 and 2023 and treated with ketamine. Seizure frequency per hour before and after ketamine administration and response rate were calculated. Neurological decline, catecholamine administration, and adverse effects were also assessed. The patients were divided into inflammatory and non-inflammatory etiology groups. RESULTS The median age at SRSE onset was 1 year 5 months (range: 11 days-24 years), and 78% of the patients were male individuals. The median duration of treatment was 7.5 days (interquartile range: 2.8-15.5 days). Fifteen (83%) patients achieved >50% seizure reduction. The median seizure frequency before and after ketamine treatment was 5.9 and 0.9, respectively, showing a significant reduction in seizure frequency (p < 0.0001). Ten patients had inflammatory etiologies including bacterial meningitis (n = 2), viral encephalitis (n = 3), and febrile infection related epilepsy syndrome (n = 5). The inflammatory etiology group required a longer treatment duration (p = 0.0453) and showed lower seizure reduction (p = 0.0264), lower response rate (p = 0.0044), and higher neurological decline (p = 0.0003) than the non-inflammatory etiology group. Three (17%) patients experienced transient adverse events requiring intervention within 24 h of initiating ketamine administration. CONCLUSIONS Ketamine administration was associated with fewer serious adverse events and a reduced seizure frequency. Additionally, inflammatory conditions may weaken the efficacy of ketamine in patients with SRSE.
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Affiliation(s)
- Ichiro Kuki
- Department of Pediatric Neurology, Osaka City General Hospital, Osaka, Japan.
| | - Takeshi Inoue
- Department of Pediatric Neurology, Osaka City General Hospital, Osaka, Japan
| | - Masataka Fukuoka
- Department of Pediatric Neurology, Osaka City General Hospital, Osaka, Japan
| | - Megumi Nukui
- Department of Pediatric Neurology, Osaka City General Hospital, Osaka, Japan
| | - Hideo Okuno
- Department of Pediatric Emergency Medicine, Osaka City General Hospital, Osaka, Japan
| | - Kiyoko Amo
- Department of Pediatric Emergency Medicine, Osaka City General Hospital, Osaka, Japan
| | - Yasunori Otsuka
- Department of Intensive Care Medicine, Osaka City General Hospital, Osaka, Japan
| | - Junichi Ishikawa
- Department of Pediatric Emergency Medicine, Osaka City General Hospital, Osaka, Japan; Department of Emergency and Critical Care Medical Center, Osaka City General Hospital, Osaka, Japan
| | - Hiroshi Rinka
- Department of Emergency and Critical Care Medical Center, Osaka City General Hospital, Osaka, Japan
| | - Atushi Ujiro
- Department of Pediatrics, Medical Corporation ISEIKAI, ISEIKAI International General Hospital
| | - Masao Togawa
- Department of Pediatrics, Medical Corporation ISEIKAI, ISEIKAI International General Hospital
| | - Masashi Shiomi
- Department of Pediatrics, Aizenbashi Hospital, Osaka, Japan
| | - Shin Okazaki
- Department of Pediatric Neurology, Osaka City General Hospital, Osaka, Japan
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O'Brien MC, Kelleran KJ, Burnett SJ, Hausrath KA, Kneer MS, Nan N, Ma CX, McCartin RW, Clemency BM. Fixed dose ketamine for prehospital management of hyperactive delirium with severe agitation. Am J Emerg Med 2024; 81:10-15. [PMID: 38626643 DOI: 10.1016/j.ajem.2024.04.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Revised: 03/21/2024] [Accepted: 04/08/2024] [Indexed: 04/18/2024] Open
Abstract
INTRODUCTION Patients exhibiting signs of hyperactive delirium with severe agitation (HDSA) may require sedating medications for stabilization and safe transport to the hospital. Determining the patient's weight and calculating the correct weight-based dose may be challenging in an emergency. A fixed dose ketamine protocol is an alternative to the traditional weight-based administration, which may also reduce dosing errors. The objective of this study was to evaluate the frequency and characteristics of adverse events following pre-hospital ketamine administration for HDSA. METHODS Emergency Medical Services (EMS) records from four agencies were searched for prehospital ketamine administration. Cases were included if a 250 mg dose of ketamine was administered on standing order to an adult patient for clinical signs consistent with HDSA. Protocols allowed for a second 250 mg dose of ketamine if the first dose was not effective. Both the 250 mg initial dose and the total prehospital dose were analyzed for weight based dosing and adverse events. RESULTS Review of 132 cases revealed 60 cases that met inclusion criteria. Patients' median weight was 80 kg (range: 50-176 kg). No patients were intubated by EMS, one only requiring suction, three required respiratory support via bag valve mask (BVM). Six (10%) patients were intubated in the emergency department (ED) including the three (5%) supported by EMS via BVM, three (5%) others who were sedated further in the ED prior to requiring intubation. All six patients who were intubated were discharged from the hospital with a Cerebral Performance Category (CPC) 1 score. The weight-based dosing equivalent for the 250 mg initial dose (OR: 2.62, CI: 0.67-10.22) and the total prehospital dose, inclusive of the 12 patients that were administered a second dose, (OR: 0.74, CI: 0.27, 2.03), were not associated with the need for intubation. CONCLUSION The 250 mg fixed dose of ketamine was not >5 mg/kg weight-based dose equivalent for all patients in this study. Although a second 250 mg dose of ketamine was permitted under standing orders, only 12 (20%) of the patients were administered a second dose, none experienced an adverse event. This indicates that the 250 mg initial dose was effective for 80% of the patients. Four patients with prehospital adverse events likely related to the administration of ketamine were found. One required suction, three (5%) requiring BVM respiratory support by EMS were subsequently intubated upon arrival in the ED. All 60 patients were discharged from the hospital alive. Further research is needed to determine an optimal single administration dose for ketamine in patients exhibiting signs of HDSA, if employing a standardized fixed dose medication protocol streamlines administration, and if the fixed dose medication reduces the occurrence of dosage errors.
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Affiliation(s)
- Michael C O'Brien
- Department of Emergency Medicine, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA.
| | - Kyle J Kelleran
- Department of Emergency Medicine, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA
| | - Susan J Burnett
- Department of Emergency Medicine, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA
| | - Kaylee A Hausrath
- Department of Emergency Medicine, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA
| | - Mary S Kneer
- Department of Emergency Medicine, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA
| | - Nan Nan
- Department of Biostatistics, School of Public Health and Health Professions, University at Buffalo, Buffalo, NY, USA
| | - Chang-Xing Ma
- Department of Biostatistics, School of Public Health and Health Professions, University at Buffalo, Buffalo, NY, USA
| | - Robert W McCartin
- Department of Emergency Medicine, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA
| | - Brian M Clemency
- Department of Emergency Medicine, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA
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Rozov S, Saarreharju R, Khirug S, Storvik M, Rivera C, Rantamäki T. Effects of nitrous oxide and ketamine on electrophysiological and molecular responses in the prefrontal cortex of mice: A comparative study. Eur J Pharmacol 2024; 968:176426. [PMID: 38387719 DOI: 10.1016/j.ejphar.2024.176426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 02/02/2024] [Accepted: 02/14/2024] [Indexed: 02/24/2024]
Abstract
Nitrous oxide (N2O; laughing gas) has recently reported to produce rapid antidepressant effects, but little is known about the underlying mechanisms. We performed transcriptomics, in situ hybridization, and electrophysiological studies to examine the potential shared signatures induced by 1 h inhalation of 50% N2O and a single subanesthetic dose of ketamine (10 mg/kg, i.p.) in the medial prefrontal cortex (mPFC) in adult mice. Both treatments similarly affected the transcription of several negative regulators of mitogen-activated protein kinases (MAPKs), namely, dual specificity phosphatases (DUSPs). The effects were primarily located in the pyramidal cells. Notably, the overall effects of N2O on mRNA expression were much more prominent and widespread compared to ketamine. Ketamine caused an elevation of the spiking frequency of putative pyramidal neurons and increased gamma activity (30-100 Hz) of cortical local field potentials. However, N2O produced no such effects. Spiking amplitudes and spike-to-local field potential phase locking of putative pyramidal neurons and interneurons in this brain area showed no uniform changes across treatments. Our findings suggest that N2O and subanesthetic-dose ketamine target MAPK pathway in the mPFC but produce varying acute electrophysiological responses.
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Affiliation(s)
- Stanislav Rozov
- Laboratory of Neurotherapeutics, Drug Research Program, Division of Pharmacology and Pharmacotherapy, Faculty of Pharmacy, University of Helsinki, Helsinki, 00014, Finland; SleepWell Research Program, Faculty of Medicine, University of Helsinki, Helsinki, 00014, Finland.
| | - Roosa Saarreharju
- Laboratory of Neurotherapeutics, Drug Research Program, Division of Pharmacology and Pharmacotherapy, Faculty of Pharmacy, University of Helsinki, Helsinki, 00014, Finland; SleepWell Research Program, Faculty of Medicine, University of Helsinki, Helsinki, 00014, Finland
| | - Stanislav Khirug
- Neuroscience Center, University of Helsinki, Helsinki, 00014, Finland
| | | | - Claudio Rivera
- Neuroscience Center, University of Helsinki, Helsinki, 00014, Finland; Aix Marseille Univ, INSERM, INMED, Marseille, 13007, France
| | - Tomi Rantamäki
- Laboratory of Neurotherapeutics, Drug Research Program, Division of Pharmacology and Pharmacotherapy, Faculty of Pharmacy, University of Helsinki, Helsinki, 00014, Finland; SleepWell Research Program, Faculty of Medicine, University of Helsinki, Helsinki, 00014, Finland
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Vallianatou T, de Souza Anselmo C, Tsiara I, Bèchet NB, Lundgaard I, Globisch D. Identification of New Ketamine Metabolites and Their Detailed Distribution in the Mammalian Brain. ACS Chem Neurosci 2024; 15:1335-1341. [PMID: 38506562 PMCID: PMC10995950 DOI: 10.1021/acschemneuro.4c00051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 03/13/2024] [Accepted: 03/13/2024] [Indexed: 03/21/2024] Open
Abstract
Ketamine is a common anesthetic used in human and veterinary medicine. This drug has recently received increased medical and scientific attention due to its indications for neurological diseases. Despite being applied for decades, ketamine's entire metabolism and pharmacological profile have not been elucidated yet. Therefore, insights into the metabolism and brain distribution are important toward identification of neurological effects. Herein, we have investigated ketamine and its metabolites in the pig brain, cerebrospinal fluid, and plasma using mass spectrometric and metabolomics analysis. We discovered previously unknown metabolites and validated their chemical structures. Our comprehensive analysis of the brain distribution of ketamine and 30 metabolites describes significant regional differences detected mainly for phase II metabolites. Elevated levels of these metabolites were identified in brain regions linked to clearance through the cerebrospinal fluid. This study provides the foundation for multidisciplinary studies of ketamine metabolism and the elucidation of neurological effects by ketamine.
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Affiliation(s)
- Theodosia Vallianatou
- Department
of Chemistry-BMC, Science for Life Laboratory, Uppsala University, Box 576, 75123 Uppsala, Sweden
| | - Carina de Souza Anselmo
- Department
of Chemistry-BMC, Science for Life Laboratory, Uppsala University, Box 576, 75123 Uppsala, Sweden
| | - Ioanna Tsiara
- Department
of Chemistry-BMC, Science for Life Laboratory, Uppsala University, Box 576, 75123 Uppsala, Sweden
| | - Nicholas B. Bèchet
- Department
of Experimental Medical Science, Lund University, 22362 Lund, Sweden
- Wallenberg
Centre for Molecular Medicine, Lund University, 22362 Lund, Sweden
| | - Iben Lundgaard
- Department
of Experimental Medical Science, Lund University, 22362 Lund, Sweden
- Wallenberg
Centre for Molecular Medicine, Lund University, 22362 Lund, Sweden
| | - Daniel Globisch
- Department
of Chemistry-BMC, Science for Life Laboratory, Uppsala University, Box 576, 75123 Uppsala, Sweden
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Vestring S, Galuba V, Kern E, Voita S, Berens F, Nasiri D, Domschke K, Normann C. Ketamine in multiple treatment-resistant depressed inpatients: A naturalistic cohort study. J Affect Disord 2024; 350:895-899. [PMID: 38266928 DOI: 10.1016/j.jad.2024.01.165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Revised: 12/02/2023] [Accepted: 01/16/2024] [Indexed: 01/26/2024]
Abstract
BACKGROUND Ketamine has emerged as an effective treatment option for patients with treatment-resistant depression. However, there is limited evidence of the benefits of ketamine in inpatients with multiple treatment resistance (MTR), who far exceed the formal criteria for treatment resistance and suffer from extensive psychiatric comorbidities. OBJECTIVE The aim of this naturalistic study was to provide preliminary evidence for the use of ketamine in the treatment of MTR depression in a naturalistic inpatient setting. METHODS Seventy-seven patients (mean age 45.1 ± 13.8 years) were treated with intravenous or intranasal ketamine (1068 administrations) twice weekly for five weeks, followed by maintenance therapy if clinically indicated. Treatment effects were assessed with the BDI, and side effects were assessed by clinicians. We analyzed dose- and route of application-related changes in depression severity, response and remission rates as well as effects on suicidality and frequency of adverse events. RESULTS Depression severity and suicidality decreased in the acute treatment phase and these changes persisted during the maintenance therapy phase. A total of 28.9 % of the patients met the criteria for response, and 15 % met the criteria for remission. The initial treatment response was highly predictive of the outcome at the end of the acute treatment phase. None of the reported side effects required medical intervention. High-dose intravenous ketamine (0.75-1 mg/kg) resulted in the most pronounced clinical effects. LIMITATIONS This observational, retrospective, and naturalistic study may be subject to bias and did not allow control of external variables. CONCLUSIONS We outlined a clinically feasible, high-dose ketamine treatment regimen for hospitalized patients with MTR depression.
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Affiliation(s)
- Stefan Vestring
- Department of Psychiatry and Psychotherapy, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany; Berta-Ottenstein-Programme for Clinician Scientists, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Viktoria Galuba
- Department of Psychiatry and Psychotherapy, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Elisa Kern
- Department of Psychiatry and Psychotherapy, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Sabine Voita
- Department of Psychiatry and Psychotherapy, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Franziska Berens
- Department of Psychiatry and Psychotherapy, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Danial Nasiri
- Department of Psychiatry and Psychotherapy, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Katharina Domschke
- Department of Psychiatry and Psychotherapy, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany; Center for Neuromodulation, Department of Psychiatry and Psychotherapy, Medical Center, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Claus Normann
- Department of Psychiatry and Psychotherapy, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany; Center for Neuromodulation, Department of Psychiatry and Psychotherapy, Medical Center, Faculty of Medicine, University of Freiburg, Freiburg, Germany.
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Khalid I, Saleem U, Ahmad B, Hawwal MF, Mothana RA. NMDA receptor modulation by Esculetin: Investigating behavioral, biochemical and neurochemical effects in schizophrenic mice model. Saudi Pharm J 2024; 32:101994. [PMID: 38405040 PMCID: PMC10884481 DOI: 10.1016/j.jsps.2024.101994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Accepted: 02/13/2024] [Indexed: 02/27/2024] Open
Abstract
Schizophrenia, a global mental health disorder affecting approximately 1 % of the population, is characterized by neurotransmitter dysregulation, particularly dopamine, serotonin, and glutamate. Current antipsychotic therapies, despite their efficacy, are accompanied by adverse effects, which has motivated researchers to investigate more secure substitutes. This study examines the potential antipsychotic effects of esculetin, a natural coumarin derivative recognized for its wide-ranging pharmacological activities (anti-inflammatory, antioxidant, anti-pathogenic, anticancer, and neuroprotective), in animal model of schizophrenia induced by ketamine. In order to induce disease, acute and chronic ketamine administration was performed on Swiss albino mice, supplemented with esculetin (as the test substance) and clozapine (as the reference standard). Behavioral studies and biochemical assays were performed to evaluate positive, negative, and cognitive symptoms of schizophrenia, as well as antioxidant and oxidant levels in various brain regions. Esculetin demonstrated significant improvements in behavioral symptoms, attenuated oxidative stress and neuroinflammation, and modulated neurotransmitter levels. Afterwards, ELISA was performed to evaluate levels of schizophrenia biomarkers AChE, BDNF. Moreover, proinflammatory cytokines (IL-6 and TNF-α) and NF-κB were also determined. Histopathological parameters of under study brain parts i.e., hippocampus, cortex and striata were also assessed. Esculetin and clozapine significantly (***p < 0.0001) altered ketamine induced behavioral symptoms and attenuated ketamine induced oxidative stress and neuroinflammation. Additionally, esculetin significantly (***p < 0.0001) altered neurotransmitter (dopamine, serotonin, glutamate) levels. ELISA analysis depicts ketamine reduced BDNF levels in hippocampus, cortex and striata while esculetin significantly (***p < 0.0001) increased BDNF levels in under study three parts of brain. Histopathological changes were seen in test groups. The findings of this study indicate that esculetin may have therapeutic potential in the treatment of schizophrenia induced by ketamine. As a result, esculetin may have the potential to be utilized as a treatment for schizophrenia.
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Affiliation(s)
- Iqra Khalid
- Department of Pharmacology, Faculty of Pharmaceutical Sciences, Government College University, Faisalabad, Pakistan
| | - Uzma Saleem
- Department of Pharmacology, Faculty of Pharmaceutical Sciences, Government College University, Faisalabad, Pakistan
| | - Bashir Ahmad
- Welsh School of Pharmacy, University of Wales, Cardiff, United Kingdom
| | - Mohammed F. Hawwal
- Department of Pharmacognosy, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia
| | - Ramzi A. Mothana
- Department of Pharmacognosy, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia
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Nist AN, Walsh SJ, Shahan TA. Ketamine produces no detectable long-term positive or negative effects on cognitive flexibility or reinforcement learning of male rats. Psychopharmacology (Berl) 2024; 241:849-863. [PMID: 38062167 DOI: 10.1007/s00213-023-06514-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Accepted: 11/25/2023] [Indexed: 03/13/2024]
Abstract
RATIONALE Patients with major depressive disorder (MDD) often experience abnormalities in behavioral adaptation following environmental changes (i.e., cognitive flexibility) and tend to undervalue positive outcomes but overvalue negative outcomes. The probabilistic reversal learning task (PRL) is used to study these deficits across species and to explore drugs that may have therapeutic value. Selective serotonin-reuptake inhibitors (SSRIs) have limited effectiveness in treating MDD and produce inconsistent effects in non-human versions of the PRL. As such, ketamine, a novel and potentially rapid-acting therapeutic, has begun to be examined using the PRL. Two previous studies examining the effects of ketamine in the PRL have shown conflicting results and only examined short-term effects of ketamine. OBJECTIVE This experiment examined PRL performance across a 2-week period following a single exposure to a ketamine dose that varied across groups. METHODS After five sessions of PRL training, groups of rats received an injection of either 0, 10, 20 or 30 mg/kg ketamine. One-hour post-injection, rats engaged in the PRL, and subsequently sessions continued daily for 2 weeks. Traditional behavioral and computational reinforcement learning-derived measures were examined. RESULTS Results showed that ketamine had acute effects 1-h post-injection, including a significant decrease in the value of the punishment learning rate. Beyond 1 h, ketamine produced no detectable improvements nor decrements in performance across 2 weeks. CONCLUSION Overall, the present results suggest that the range of ketamine doses examined do not have long-term positive or negative effects on cognitive flexibility or reward processing in healthy rats as measured by the PRL.
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Affiliation(s)
- Anthony N Nist
- Department of Psychology, Utah State University, Logan, USA.
| | - Stephen J Walsh
- Department of Mathematics and Statistics, Utah State University, Logan, USA
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