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Liu YM, Li JC, Gu YF, Qiu RH, Huang JY, Xue R, Li S, Zhang Y, Zhang K, Zhang YZ. Cannabidiol Exerts Sedative and Hypnotic Effects in Normal and Insomnia Model Mice Through Activation of 5-HT 1A Receptor. Neurochem Res 2024; 49:1150-1165. [PMID: 38296858 DOI: 10.1007/s11064-024-04102-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 01/02/2024] [Accepted: 01/05/2024] [Indexed: 02/02/2024]
Abstract
Cannabis sativa has been used for improving sleep for long history. Cannabidiol (CBD) has drown much attention as a non-addictive psychoactive component in Cannabis sativa extract. However, the effects of CBD on sleep architecture and it's acting mechanism remains unclear. In the present study, we evaluated the sedative-hypnotic effect of cannabidiol (CBD), assessed the effects of CBD on sleep using a wireless physiological telemetry system. We further explored the therapeutic effects of CBD using 4-chloro-dl-phenylalanine (PCPA) induced insomnia model and changes in sleep latency, sleep duration and intestinal flora were evaluated. CBD shortened sleep latency and increases sleep duration in both normal and insomnia mice, and those effects were blocked by 5-HT1A receptor antagonist WAY100635. We determined that CBD increases 5-HT1A receptors expression and 5-HT content in the hypothalamus of PCPA-pretreated mice and affects tryptophan metabolism in the intestinal flora. These results showed that activation of 5-HT1A receptors is one of the potential mechanisms underlying the sedative-hypnotic effect of CBD. This study validated the effects of CBD on sleep and evaluated its potential therapeutic effects on insomnia.
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Affiliation(s)
- Yu-Meng Liu
- Shenyang Pharmaceutical University, Shenyang, 110016, China
- Beijing Institute of Pharmacology and Toxicology, State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing, 100850, China
| | - Jin-Cao Li
- Beijing Institute of Pharmacology and Toxicology, State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing, 100850, China
| | - Yong-Fang Gu
- Beijing Institute of Pharmacology and Toxicology, State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing, 100850, China
| | - Ren-Hong Qiu
- Beijing Institute of Pharmacology and Toxicology, State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing, 100850, China
| | - Jia-Ying Huang
- Beijing Institute of Pharmacology and Toxicology, State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing, 100850, China
| | - Rui Xue
- Beijing Institute of Pharmacology and Toxicology, State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing, 100850, China
| | - Shuo Li
- Beijing Institute of Pharmacology and Toxicology, State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing, 100850, China
| | - Yang Zhang
- Beijing Institute of Pharmacology and Toxicology, State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing, 100850, China
| | - Kuo Zhang
- Shenyang Pharmaceutical University, Shenyang, 110016, China
| | - You-Zhi Zhang
- Shenyang Pharmaceutical University, Shenyang, 110016, China.
- Beijing Institute of Pharmacology and Toxicology, State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Key Laboratory of Neuropsychopharmacology, Beijing, 100850, China.
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D’Angelo M, Steardo L. Cannabinoids and Sleep: Exploring Biological Mechanisms and Therapeutic Potentials. Int J Mol Sci 2024; 25:3603. [PMID: 38612415 PMCID: PMC11011314 DOI: 10.3390/ijms25073603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Revised: 03/15/2024] [Accepted: 03/21/2024] [Indexed: 04/14/2024] Open
Abstract
The endogenous cannabinoid system (ECS) plays a critical role in the regulation of various physiological functions, including sleep, mood, and neuroinflammation. Phytocannabinoids such as Δ9-tetrahydrocannabinol (THC), cannabidiol (CBD), cannabinomimimetics, and some N-acylethanolamides, particularly palmitoyethanolamide, have emerged as potential therapeutic agents for the management of sleep disorders. THC, the psychoactive component of cannabis, may initially promote sleep, but, in the long term, alters sleep architecture, while CBD shows promise in improving sleep quality without psychoactive effects. Clinical studies suggest that CBD modulates endocannabinoid signaling through several receptor sites, offering a multifaceted approach to sleep regulation. Similarly, palmitoylethanolamide (PEA), in addition to interacting with the endocannabinoid system, acts as an agonist on peroxisome proliferator-activated receptors (PPARs). The favorable safety profile of CBD and PEA and the potential for long-term use make them an attractive alternative to conventional pharmacotherapy. The integration of the latter two compounds into comprehensive treatment strategies, together with cognitive-behavioral therapy for insomnia (CBT-I), represents a holistic approach to address the multifactorial nature of sleep disorders. Further research is needed to establish the optimal dosage, safety, and efficacy in different patient populations, but the therapeutic potential of CBD and PEA offers hope for improved sleep quality and general well-being.
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Affiliation(s)
| | - Luca Steardo
- Psychiatry Unit, Department of Health Sciences, University of Catanzaro Magna Graecia, 88100 Catanzaro, Italy;
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Miranda A, Peek E, Ancoli-Israel S, Young JW, Perry W, Minassian A. The Role of Cannabis and The Endocannabinoid System in Sleep Regulation and Cognition: A Review of Human and Animal Studies. Behav Sleep Med 2024; 22:217-233. [PMID: 37401160 PMCID: PMC10761597 DOI: 10.1080/15402002.2023.2232497] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 07/05/2023]
Abstract
OBJECTIVES Both sleep and cognition are partially modulated by the endocannabinoid (ECB) system. Cannabis has been reported to have effects on sleep and cognition. This review aims to summarize the recent literature on the ECB system, the role of cannabis and the ECB system on sleep regulation and cognition. Further, this review will identify existing gaps in knowledge and suggest potential targets for future research. METHODS We performed this review in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. Reports were identified by searching PubMed/MEDLINE, Embase, CINAHL, Web of Science, and PsycINFO for articles published through September 2021 for studies with data available on aspects of cognition, cannabis, or the ECB system, and sleep or circadian rhythms (CRs). RESULTS We identified 6 human and 6 animal studies to be eligible for inclusion in this review. Several human studies found that cannabis use is not associated with changes in sleep quality or cognitive function. However, individual cannabinoids appeared to have independent effects on cognition and sleep; THC alone decreased cognitive performance and increased daytime sleepiness, whereas CBD alone had no effect on sleep or cognition. Animal studies demonstrated that manipulation of the ECB system altered activity and cognitive function, some of which appeared to be dependent on the light/dark cycle. CONCLUSION The sleep-wake cycle and CRs are both likely modulated by the ECB system, potentially resulting in effects on cognition, however this area is critically understudied.
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Affiliation(s)
- Alannah Miranda
- Department of Psychiatry, University of California San Diego, San Diego, CA, USA
| | - Elizabeth Peek
- Department of Psychiatry, University of California San Diego, San Diego, CA, USA
| | - Sonia Ancoli-Israel
- Department of Psychiatry, University of California San Diego, San Diego, CA, USA
- Center for Circadian Biology, University of California San Diego, San Diego, CA, USA
| | - Jared W Young
- Department of Psychiatry, University of California San Diego, San Diego, CA, USA
| | - William Perry
- Department of Psychiatry, University of California San Diego, San Diego, CA, USA
| | - Arpi Minassian
- Department of Psychiatry, University of California San Diego, San Diego, CA, USA
- Center for Excellence on Stress and Mental Health, Veterans Affairs San Diego Health System, San Diego, CA, USA
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Binkowska AA, Jakubowska N, Redeł A, Laskowska S, Szlufik S, Brzezicka A. Cannabidiol usage, efficacy, and side effects: analyzing the impact of health conditions, medications, and cannabis use in a cross-sectional online pilot study. Front Psychiatry 2024; 15:1356009. [PMID: 38487574 PMCID: PMC10938386 DOI: 10.3389/fpsyt.2024.1356009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Accepted: 02/07/2024] [Indexed: 03/17/2024] Open
Abstract
Background Products containing cannabidiol (CBD) are attracting attention because of their potential therapeutic benefits and positive impacts on well-being and mental health. Although additional research is needed to understand their effectiveness in treating mental disorders, cross-sectional studies may help identify the factors influencing CBD use patterns. This study examined the impact of variables such as health status, medication use, medical supervision, gender, age, and cannabis use on CBD consumption patterns. Materials and methods A self-selected sample (n =267) of current or former CBD users was recruited via social media and participated in an online survey designed to collect data on basic demographics, health status, cannabis use, and CBD usage patterns. Results The sample (n = 267) consisted of 68.5% women with an average age of 30.21 years, of which 25.8% reported diagnosed psychiatric disorders and 49.4% reported cannabis use. The top five reasons for using CBD were self-reported stress (65.3%), sleep problems (51.7%), overall improvement in well-being (52.5%), improved mood (44.9%), and anxiety relief (40.9%). Our findings suggest that individuals with psychiatric disorders and those taking psychotropic medications are more likely to use CBD to relieve stress and anxiety. Overall, nearly 70% of the individuals found CBD products to be effective. Sublingual administration was more popular among non-cannabis users, while cannabis users preferred smoking and vaping to CBD administration. Conclusion Our results indicate that individuals using CBD for health and wellness reasons believe that it has potential health benefits. Further research using rigorous longitudinal designs is needed to delve deeper into the effectiveness of low-dose CBD and to better understand the therapeutic potential of CBD.
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Affiliation(s)
| | - Natalia Jakubowska
- Department of Psychology, SWPS University of Social Sciences and Humanities, Warsaw, Poland
| | - Anna Redeł
- Nencki Institute of Experimental Biology of the Polish Academy of Sciences, Warsaw, Poland
| | - Sandra Laskowska
- DrugsTeam, NeuroCognitive Research Center, SWPS University of Social Sciences and Humanities, Warsaw, Poland
| | - Stanisław Szlufik
- Department of Neurology, Faculty of Health Science, Medical University of Warsaw, Warsaw, Poland
| | - Aneta Brzezicka
- Department of Psychology, SWPS University of Social Sciences and Humanities, Warsaw, Poland
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Schouten M, Dalle S, Mantini D, Koppo K. Cannabidiol and brain function: current knowledge and future perspectives. Front Pharmacol 2024; 14:1328885. [PMID: 38288087 PMCID: PMC10823027 DOI: 10.3389/fphar.2023.1328885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Accepted: 12/19/2023] [Indexed: 01/31/2024] Open
Abstract
Cannabidiol (CBD) is a naturally occurring non-psychoactive cannabinoid found in Cannabis sativa, commonly known as cannabis or hemp. Although currently available CBD products do not meet the safety standards of most food safety authorities to be approved as a dietary supplement or food additive, CBD has been gaining widespread attention in recent years due to its various potential health benefits. While primarily known for its therapeutic effects in managing epileptic seizures, psychosis, anxiety, (neuropathic) pain, and inflammation, CBD's influence on brain function has also piqued the interest of researchers and individuals seeking to enhance cognitive performance. The primary objective of this review is to gather, synthesize, and consolidate scientifically proven evidence on the impact of CBD on brain function and its therapeutic significance in treating neurological and mental disorders. First, basic background information on CBD, including its biomolecular properties and mechanisms of action is presented. Next, evidence for CBD effects in the human brain is provided followed by a discussion on the potential implications of CBD as a neurotherapeutic agent. The potential effectiveness of CBD in reducing chronic pain is considered but also in reducing the symptoms of various brain disorders such as epilepsy, Alzheimer's, Huntington's and Parkinson's disease. Additionally, the implications of using CBD to manage psychiatric conditions such as psychosis, anxiety and fear, depression, and substance use disorders are explored. An overview of the beneficial effects of CBD on aspects of human behavior, such as sleep, motor control, cognition and memory, is then provided. As CBD products remain largely unregulated, it is crucial to address the ethical concerns associated with their use, including product quality, consistency, and safety. Therefore, this review discusses the need for responsible research and regulation of CBD to ensure its safety and efficacy as a therapeutic agent for brain disorders or to stimulate behavioral and cognitive abilities of healthy individuals.
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Affiliation(s)
- Moniek Schouten
- Exercise Physiology Research Group, Department of Movement Sciences, KU Leuven, Leuven, Belgium
| | - Sebastiaan Dalle
- Exercise Physiology Research Group, Department of Movement Sciences, KU Leuven, Leuven, Belgium
| | - Dante Mantini
- Movement Control and Neuroplasticity Research Group, Department of Movement Sciences, KU Leuven, Leuven, Belgium
| | - Katrien Koppo
- Exercise Physiology Research Group, Department of Movement Sciences, KU Leuven, Leuven, Belgium
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6
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Jotz GP, Ortiz RS, Limberger RP, de Oliveira Camargo FA. Cannabidiol (CBD): Potential Use in Otorhinolaryngology. Int Arch Otorhinolaryngol 2024; 28:e1-e2. [PMID: 38322448 PMCID: PMC10843906 DOI: 10.1055/s-0043-1777857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2024] Open
Affiliation(s)
- Geraldo Pereira Jotz
- Innovation and Institutional Affairs, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
| | - Rafael Scorsatto Ortiz
- Pharmaceutical Sciences from UFRGS, Criminology Expert for the Brazilian Federal Government, Porto Alegre, Rio Grande do Sul, Brazil
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Calapai F, Mannucci C, McQuain L, Salvo F. Pharmacological Evaluation of Signals of Disproportionality Reporting Related to Adverse Reactions to Antiepileptic Cannabidiol in VigiBase. Pharmaceuticals (Basel) 2023; 16:1420. [PMID: 37895891 PMCID: PMC10610535 DOI: 10.3390/ph16101420] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2023] [Revised: 09/11/2023] [Accepted: 09/20/2023] [Indexed: 10/29/2023] Open
Abstract
Cannabidiol is the first cannabis-derived drug approved for the treatment of Lennox-Gastaut syndrome, Dravet syndrome, and Tuberous Sclerosis Complex. In the current study, we performed a descriptive analysis followed by a disproportionality analysis of potential adverse events caused by CBD extracted from the VigiBase® database. Furthermore, the biological plausibility of the association between CBD and the serotonin 5-HT1A receptor as a possible cause of adverse events was analyzed and discussed. Data were extracted from the VigiBase® database using the VigiLyze® signal detection and signal management tool. Adverse events in VigiBase® reports were coded using MedDRA, version 19 of Preferred Terms (PTs). Data were uploaded into SPSS software and analyzed via a disproportionality analysis. Statistically significant disproportionality signals for CBD were found for "weight decreased" (5.19 (95% CI: 4.54-5.70)), "hypophagia" (3.68 (95% CI: 3.22-5.27)), and "insomnia" (1.6 (95% CI: 1.40-1.83)). Positive IC025 values were found for "weight decreased" (2.2), "hypophagia" (1.3), and "insomnia" (0.5), indicating a surplus of reported cases. CBD's interactions with 5-HT1A serotonin receptors may offer a potential biological explanation for the occurrence of insomnia in patients. It is noteworthy that the risk profiles mentioned in the information for prescribing CBD as an antiepileptic agent by regulatory agencies showed disparities specifically related to the adverse event "insomnia".
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Affiliation(s)
- Fabrizio Calapai
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98125 Messina, Italy;
| | - Carmen Mannucci
- Department of Biomedical and Dental Sciences and Morphological and Functional Imaging, University of Messina, 98125 Messina, Italy
| | - Liana McQuain
- Université de Bordeaux, European Training Programme in Pharmacovigilance and Pharmacoepidemiology (Eu2P), F-33000 Bordeaux, France;
| | - Francesco Salvo
- CHU de Bordeaux, Service de Pharmacologie Médicale, Centre Régional de Pharmacovigilance de Bordeaux, F-33000 Bordeaux, France;
- Université de Bordeaux, INSERM, Bordeaux Population Health, U1219, AHeaD Team, F-33000 Bordeaux, France
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8
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Low ZXB, Lee XR, Soga T, Goh BH, Alex D, Kumari Y. Cannabinoids: Emerging sleep modulator. Biomed Pharmacother 2023; 165:115102. [PMID: 37406510 DOI: 10.1016/j.biopha.2023.115102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Revised: 06/28/2023] [Accepted: 06/28/2023] [Indexed: 07/07/2023] Open
Abstract
Sleep is an essential biological phase of our daily life cycle and is necessary for maintaining homeostasis, alertness, metabolism, cognition, and other key functions across the animal kingdom. Dysfunctional sleep leads to deleterious effects on health, mood, and cognition, including memory deficits and an increased risk of diabetes, stroke, and neurological disorders. Sleep is regulated by several brain neuronal circuits, neuromodulators, and neurotransmitters, where cannabinoids have been increasingly found to play a part in its modulation. Cannabinoids, a group of lipid metabolites, are regulatory molecules that bind mainly to cannabinoid receptors (CB1 and CB2). Much evidence supports the role of cannabinoid receptors in the modulation of sleep, where their alteration exhibits sleep-promoting effects, including an increase in non-rapid-eye movement sleep and a reduction in sleep latency. However, the pharmacological alteration of CB1 receptors is associated with adverse psychotropic effects, which are not exhibited in CB2 receptor alteration. Hence, selective alteration of CB2 receptors is also of clinical importance, where it could potentially be used in treating sleep disorders. Thus, it is crucial to understand the neurobiological basis of cannabinoids in sleep physiology. In this review article, the alteration of the endocannabinoid system by various cannabinoids and their respective effects on the sleep-wake cycle are discussed based on recent findings. The mechanisms of the cannabinoid receptors on sleep and wakefulness are also explored for their clinical implications and potential therapeutic use on sleep disorders.
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Affiliation(s)
- Zhen Xuen Brandon Low
- Neurological Disorder and Aging Research Group (NDA), Neuroscience Research Strength (NRS), Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, 47500 Selangor, Malaysia
| | - Xin Ru Lee
- Neurological Disorder and Aging Research Group (NDA), Neuroscience Research Strength (NRS), Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, 47500 Selangor, Malaysia
| | - Tomoko Soga
- Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, 47500 Selangor, Malaysia
| | - Bey Hing Goh
- Biofunctional Molecule Exploratory Research Group, School of Pharmacy, Monash University Malaysia, Bandar Sunway, Selangor Darul Ehsan 47500, Malaysia; College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
| | - Deepa Alex
- Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, 47500 Selangor, Malaysia
| | - Yatinesh Kumari
- Neurological Disorder and Aging Research Group (NDA), Neuroscience Research Strength (NRS), Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, 47500 Selangor, Malaysia.
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Fond G, Muller T, Masson M, Boyer L. Cannabidiol (CBD) in psychiatric clinical practice: Current data. L'ENCEPHALE 2023; 49:329-330. [PMID: 37246102 DOI: 10.1016/j.encep.2023.04.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Affiliation(s)
- Guillaume Fond
- Department de psychiatrie universitaire, CEReSS-Health Service Research and Quality of Life Center, hôpitaux universitaires de Marseille, EA 3279: Aix-Marseille université, 27, boulevard Jean-Moulin, 13005 Marseille, France.
| | - Tiffanie Muller
- Department de psychiatrie universitaire, CEReSS-Health Service Research and Quality of Life Center, hôpitaux universitaires de Marseille, EA 3279: Aix-Marseille université, 27, boulevard Jean-Moulin, 13005 Marseille, France
| | - Marc Masson
- SHU, hôpital Sainte-Anne, 1, rue Cabanis, 75014 Paris, France
| | - Laurent Boyer
- Department de psychiatrie universitaire, CEReSS-Health Service Research and Quality of Life Center, hôpitaux universitaires de Marseille, EA 3279: Aix-Marseille université, 27, boulevard Jean-Moulin, 13005 Marseille, France
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10
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O'Sullivan SE, Jensen SS, Nikolajsen GN, Bruun HZ, Bhuller R, Hoeng J. The therapeutic potential of purified cannabidiol. J Cannabis Res 2023; 5:21. [PMID: 37312194 DOI: 10.1186/s42238-023-00186-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Accepted: 04/30/2023] [Indexed: 06/15/2023] Open
Abstract
The use of cannabidiol (CBD) for therapeutic purposes is receiving considerable attention, with speculation that CBD can be useful in a wide range of conditions. Only one product, a purified form of plant-derived CBD in solution (Epidiolex), is approved for the treatment of seizures in patients with Lennox-Gastaut syndrome, Dravet syndrome, or tuberous sclerosis complex. Appraisal of the therapeutic evidence base for CBD is complicated by the fact that CBD products sometimes have additional phytochemicals (like tetrahydrocannabinol (THC)) present, which can make the identification of the active pharmaceutical ingredient (API) in positive studies difficult. The aim of the present review is to critically review clinical studies using purified CBD products only, in order to establish the upcoming indications for which purified CBD might be beneficial. The areas in which there is the most clinical evidence to support the use of CBD are in the treatment of anxiety (positive data in 7 uncontrolled studies and 17 randomised controlled trials (RCTs)), psychosis and schizophrenia (positive data in 1 uncontrolled study and 8 RCTs), PTSD (positive data in 2 uncontrolled studies and 4 RCTs) and substance abuse (positive data in 2 uncontrolled studies and 3 RCTs). Seven uncontrolled studies support the use of CBD to improve sleep quality, but this has only been verified in one small RCT. Limited evidence supports the use of CBD for the treatment of Parkinson's (3 positive uncontrolled studies and 2 positive RCTs), autism (3 positive RCTs), smoking cessation (2 positive RCTs), graft-versus-host disease and intestinal permeability (1 positive RCT each). Current RCT evidence does not support the use of purified oral CBD in pain (at least as an acute analgesic) or for the treatment of COVID symptoms, cancer, Huntington's or type 2 diabetes. In conclusion, published clinical evidence does support the use of purified CBD in multiple indications beyond epilepsy. However, the evidence base is limited by the number of trials only investigating the acute effects of CBD, testing CBD in healthy volunteers, or in very small patient numbers. Large confirmatory phase 3 trials are required in all indications.
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Gendy MNS, Frey BN, Van Ameringen M, Kuhathasan N, MacKillop J. Cannabidiol as a candidate pharmacotherapy for sleep disturbance in alcohol use disorder. Alcohol Alcohol 2023:7150867. [PMID: 37139966 DOI: 10.1093/alcalc/agad031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 04/03/2023] [Accepted: 04/06/2023] [Indexed: 05/05/2023] Open
Abstract
Among individuals with alcohol use disorder (AUD), it is estimated that the majority suffer from persistent sleep disturbances for which few candidate medications are available. Our aim wass to critically review the potential for cannabidiol (CBD) as a treatment for AUD-induced sleep disturbance. As context, notable side effects and abuse liability for existing medications for AUD-induced sleep disturbance reduce their clinical utility. CBD modulation of the endocannabinoid system and favorable safety profile have generated substantial interest in its potential therapeutic use for various medical conditions. A number of preclinical and clinical studies suggest promise for CBD in restoring the normal sleep-wake cycle and in enhancing sleep quality in patients diagnosed with AUD. Based on its pharmacology and the existing literature, albeit primarily preclinical and indirect, CBD is a credible candidate to address alcohol-induced sleep disturbance. Well-designed RCTs will be necessary to test its potential in managing this challenging feature of AUD.
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Affiliation(s)
- Marie N S Gendy
- Peter Boris Centre for Addictions Research, McMaster University & St. Joseph's Healthcare Hamilton, Hamilton, ON L8P 3R2, Canada
- Department of Psychiatry and Behavioral Neurosciences, McMaster University, Hamilton, ON L8N 3K7, Canada
| | - Benicio N Frey
- Department of Psychiatry and Behavioral Neurosciences, McMaster University, Hamilton, ON L8N 3K7, Canada
- Women's Health Concerns Clinic at St. Joseph's Healthcare Hamilton, Hamilton, ON L8N 3K7, Canada
- Mood Disorders Program, St. Joseph's Healthcare Hamilton, Hamilton, ON L8N 3K7, Canada
| | - Michael Van Ameringen
- Department of Psychiatry and Behavioral Neurosciences, McMaster University, Hamilton, ON L8N 3K7, Canada
| | - Nirushi Kuhathasan
- Department of Psychiatry and Behavioral Neurosciences, McMaster University, Hamilton, ON L8N 3K7, Canada
- Mood Disorders Program, St. Joseph's Healthcare Hamilton, Hamilton, ON L8N 3K7, Canada
- Michael G. DeGroote Centre for Medicinal Cannabis Research, McMaster University & St. Joseph's Healthcare Hamilton, Hamilton, ON L8S 4K1, Canada
| | - James MacKillop
- Peter Boris Centre for Addictions Research, McMaster University & St. Joseph's Healthcare Hamilton, Hamilton, ON L8P 3R2, Canada
- Department of Psychiatry and Behavioral Neurosciences, McMaster University, Hamilton, ON L8N 3K7, Canada
- Women's Health Concerns Clinic at St. Joseph's Healthcare Hamilton, Hamilton, ON L8N 3K7, Canada
- Mood Disorders Program, St. Joseph's Healthcare Hamilton, Hamilton, ON L8N 3K7, Canada
- Michael G. DeGroote Centre for Medicinal Cannabis Research, McMaster University & St. Joseph's Healthcare Hamilton, Hamilton, ON L8S 4K1, Canada
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Amaral C, Carvalho C, Scaranelo A, Chapman K, Chatkin J, Ferreira I. Cannabis and sleep disorders: not ready for prime time? A qualitative scoping review. J Clin Sleep Med 2023; 19:975-990. [PMID: 36692176 PMCID: PMC10152356 DOI: 10.5664/jcsm.10428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 11/22/2022] [Accepted: 11/30/2022] [Indexed: 01/25/2023]
Abstract
STUDY OBJECTIVES To perform a qualitative scoping literature review for studies involving the effects of cannabis on sleep and sleep disorders. METHODS Two electronic databases, MEDLINE and EMBASE, searched for comprehensive published abstracted studies that involved human participants. Inclusion criteria were article of any type, published in English, a target population of cannabis users, and reported data on cannabis effect on sleep and sleep disorders. The Joanna Briggs Institute's (JBI) approach was elected as the methodology framework guidance in the scoping review process. RESULTS A total of 40 unique publications were found. The majority (82.5%) were from the Americas with 60% published in the last decade. Of the 40 studies, only 25% were randomized control trials, and the sleep outcome measurements were similar and comparable in only 20%. Cannabis users studied were reported either 73% frequent users or 27% sporadic users. The utilization of cannabis showed improved sleep (21%), worse sleep (48%), mixed results (14%), or no impact at all (17%) in the studies published in the last 5 decades. CONCLUSIONS Our findings summarize the lack of robust evidence to support the use of cannabis for sleep disorders. The varied cannabis user-related characteristics may account for the inconsistent results identified. Further studies assessing cannabis and sleep are needed to discern what works in what context, how it works, and for whom. CITATION Amaral C, Carvalho C, Scaranelo A, Chapman K, Chatkin J, Ferreira I. Cannabis and sleep disorders: not ready for prime time? A qualitative scoping review. J Clin Sleep Med. 2023;19(5):975-990.
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Affiliation(s)
- Caio Amaral
- Department of Medicine, University Centre of the Americas, São Paulo, São Paulo, Brazil
| | - Carolina Carvalho
- KITE-Toronto Rehabilitation Institute, University Health Network and Division of Physical Medicine and Rehabilitation, University of Toronto, Toronto, Ontario, Canada
| | - Anabel Scaranelo
- Medical Imaging Department, University of Toronto, Toronto, Ontario, Canada
| | - Kenneth Chapman
- Department of Medicine, Respiratory Division, University of Toronto, Toronto, Ontario, Canada
- Asthma & Airway Centre, Toronto Western Hospital, University Health Network, Toronto, Ontario, Canada
| | - Jose Chatkin
- Division of Respiratory Diseases, School of Medicine Pontificia Universidade Católica do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil
| | - Ivone Ferreira
- Department of Medicine, Respiratory Division, University of Toronto, Toronto, Ontario, Canada
- Asthma & Airway Centre, Toronto Western Hospital, University Health Network, Toronto, Ontario, Canada
- Department of Medicine, Respiratory Division of McMaster University, Hamilton, Ontario, Canada
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Rudisill TM, Innes K(K, Wen S, Haggerty T, Smith GS. The Effects of Cannabidiol on the Driving Performance of Healthy Adults: A Pilot RCT. AJPM FOCUS 2023; 2:100053. [PMID: 36844251 PMCID: PMC9949874 DOI: 10.1016/j.focus.2022.100053] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Introduction A common side effect of cannabidiol is drowsiness, which could impact safe driving. This study's purpose was to determine the feasibility and whether cannabidiol impacts simulated driving performance. Methods This was a randomized, parallel-group, sex-stratified, double-blind, pilot trial that consisted of a volunteer sample of healthy, currently driving college students. Participants were randomized and allocated to receive a placebo (n=19) or 300 mg cannabidiol (n=21) by oral syringe. Participants completed a ~40-minute driving simulation. A post-test survey assessed acceptability. The primary outcomes were mean SD of lateral position, total percent time the individual drove outside travel lanes, total collisions, time to initial collision, and mean brake reaction time. Outcomes were compared between groups using Student's t-tests and Cox proportional hazards models. Results None of the relationships were statistically significant, but the study was underpowered. Those receiving cannabidiol experienced slightly more collisions (0.90 vs 0.68, p=0.57) and had slightly higher mean SD of lateral position and slower brake reaction times (0.60 vs 0.58 seconds, p=0.61) than those who received placebo. Participants were satisfied with their experiences. Conclusions The design was feasible. Larger trials may be warranted because it is unclear whether the small differences in performance seen in the cannabidiol group were clinically relevant.
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Affiliation(s)
- Toni Marie Rudisill
- Department of Epidemiology and Biostatistics, School of Public Health, West Virginia University, Morgantown, West Virginia
| | - Karen (Kim) Innes
- Department of Epidemiology and Biostatistics, School of Public Health, West Virginia University, Morgantown, West Virginia
| | - Sijin Wen
- Department of Epidemiology and Biostatistics, School of Public Health, West Virginia University, Morgantown, West Virginia
| | - Treah Haggerty
- Department of Family Medicine, School of Medicine, West Virginia University, Morgantown, West Virginia
| | - Gordon S. Smith
- Department of Epidemiology and Biostatistics, School of Public Health, West Virginia University, Morgantown, West Virginia
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Spinella TC, Bartholomeusz J, Stewart SH, Barrett SP. Perceptions about THC and CBD effects among adults with and without prior cannabis experience. Addict Behav 2023; 137:107508. [PMID: 36270038 DOI: 10.1016/j.addbeh.2022.107508] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 09/21/2022] [Accepted: 09/24/2022] [Indexed: 01/05/2023]
Abstract
BACKGROUND Cannabis is associated with a range of therapeutic and non-therapeutic, positive and negative effects. While some benefits and harms may be specific to individual cannabinoid constituents (THC, CBD), individual expectancies may also play a role. OBJECTIVES Evaluate the extent to which individuals hold expectancies about the effects of CBD, THC, and THC & CBD combined, and whether this differs with prior cannabis experience. METHODS Canadian adults (N = 345; n = 58 no prior cannabis use, n = 287 prior cannabis use) completed a Qualtrics survey. Participants provided information regarding their expectancies about the effects of cannabinoids (THC, CBD, THC & CBD combined) via a 15-item questionnaire, which included various therapeutic (e.g., helps with pain) and non-therapeutic positive (e.g., enhances positive feelings) and negative (e.g., risk for addiction) effects. They recorded their perceptions about the effects of each cannabinoid on a scale (0="definitely not true", 10="definitely true"). Data was analyzed using linear mixed models. RESULTS For most therapeutic effects, CBD-containing products (CBD, THC & CBD) were rated higher than THC. For most positive and negative non-therapeutic effects, THC-containing products (THC, THC & CBD) were rated higher than CBD. Those with prior cannabis use (vs no prior use) rated all cannabinoids higher regarding their association with many therapeutic and positive effects, while endorsing weaker expectancies about their role in some negative effects. CONCLUSIONS Adults endorsed stronger expectancies that CBD-containing products are responsible for producing a rage of therapeutic effects. Those with prior cannabis use experience tended to emphasize the benefits and minimize potential harmful effects of cannabinoids.
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Affiliation(s)
- Toni C Spinella
- Department of Psychology and Neuroscience, Dalhousie University, Halifax, Nova Scotia, Canada
| | - Jeremy Bartholomeusz
- Department of Psychology and Neuroscience, Dalhousie University, Halifax, Nova Scotia, Canada
| | - Sherry H Stewart
- Department of Psychology and Neuroscience, Dalhousie University, Halifax, Nova Scotia, Canada; Department of Psychiatry, Dalhousie University, Halifax, Nova Scotia, Canada
| | - Sean P Barrett
- Department of Psychology and Neuroscience, Dalhousie University, Halifax, Nova Scotia, Canada; Department of Psychiatry, Dalhousie University, Halifax, Nova Scotia, Canada.
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15
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Rudisill TM, Innes KK, Wen S, Haggerty T, Smith GS. The effects of cannabidiol on subjective states, cognition, and psychomotor function in healthy adults: A randomized clinical trial. Fundam Clin Pharmacol 2023; 37:663-672. [PMID: 36625844 PMCID: PMC10175152 DOI: 10.1111/fcp.12868] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 12/02/2022] [Accepted: 12/23/2022] [Indexed: 01/11/2023]
Abstract
Despite being added to numerous products, little is known about cannabidiol. Drowsiness is a self-reported side effect, which could impact cognitive functioning. To determine whether cannabidiol impacts cognition and psychomotor function, a volunteer sample of healthy, college students were recruited for this randomized, parallel-group, double-blind, feasibility trial from April-November 2021. Participants completed a baseline survey, the Stanford Sleepiness Scale, Visual Analog Mood Scale, Digit Symbol Substitution Test, Trail Making Test, Psychomotor Vigilance Test, and Simple Reaction Time Tests. Participants were then randomized and allocated to receive 300 mg cannabidiol oil (N = 21) or placebo (N = 19). After 120 min, participants retook the tests. Performance between groups was compared using Analysis of Covariance and multi-level Negative Binomial regression. Participants averaged 21 ± 3 years of age, and 52% were female. Self-reported anxiety did not change posttreatment. Performances on the Stanford Sleepiness Scale, Visual Analog Mood Scale, and Psychomotor Vigilance Test increased for both groups. After accounting for baseline scores, attention lapse duration significantly increased for those receiving cannabidiol compared to placebo in the Psychomotor Vigilance Test (76 vs. 66 ms; p = 0.02). Auditory reaction time improved in the cannabidiol group versus placebo for one sound emitted during the Simple Reaction Time Test (241 vs. 245 ms; p = 0.02), but the number of early responses increased from 0.3 to 0.8 for those receiving cannabidiol. While performance on most tests was similar between those receiving cannabidiol and placebo, cannabidiol might affect certain aspects of vigilance. More research and larger trials are needed.
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Affiliation(s)
- Toni Marie Rudisill
- Department of Epidemiology and Biostatistics, West Virginia University, Morgantown, West Virginia, USA
| | - Karen Kim Innes
- Department of Epidemiology and Biostatistics, West Virginia University, Morgantown, West Virginia, USA
| | - Sijin Wen
- Department of Epidemiology and Biostatistics, West Virginia University, Morgantown, West Virginia, USA
| | - Treah Haggerty
- Department of Family Medicine, West Virginia University, Morgantown, West Virginia, USA
| | - Gordon S Smith
- Department of Epidemiology and Biostatistics, West Virginia University, Morgantown, West Virginia, USA
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Kaufmann R, Harris Bozer A, Jotte ARK, Aqua K. The Effects of Long-Term Self-Dosing of Cannabidiol on Drowsiness, Testosterone Levels, and Liver Function. Med Cannabis Cannabinoids 2023; 6:32-40. [PMID: 36968131 PMCID: PMC10036916 DOI: 10.1159/000529677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Accepted: 01/31/2023] [Indexed: 03/29/2023] Open
Abstract
Introduction Previous research indicated that cannabidiol (CBD) may result in low levels of male total testosterone (TT), elevations in liver tests (LTs), and daytime drowsiness (DD). We investigated the prevalences of TT and LT in a large adult sample self-administering CBD and determined the effect self-dosing of CBD has on the severity of DD. Methods Adult participants (18-75 years of age) who self-dose CBD orally for a minimum of 30 days were recruited for this decentralized observational study from companies that offer CBD products. Participants were sent their usual CBD regimen. A clinical study platform was used on a phone app to obtain consent and collect study data. Data included demographic information, reasons for self-dosing, dosage, current medications and dosage, medical history, adverse effects, effects on DD, and efficacy. After 30 days, LT and TT were obtained and follow-up LT was offered to participants who demonstrated elevated values of alanine transaminase (ALT). Results A total of 28,121 individuals were contacted, 1,475 met the criteria and were enrolled, and 1,061 (female: 65.2%, male: 34.8%) completed the study. Most of the participants used full-spectrum CBD oil or CBD isolate with the mean ± SD daily dose of CBD for all users of 55.4 ± 37.8 mg. CBD use was associated with a significant decrease in DD and a decrease in the prevalence of low TT in males >40 years of age. The prevalences of elevations in ALT and aspartate aminotransferase were not significantly different from those of the general adult population, and the prevalences of elevated levels of alkaline phosphatase and bilirubin were less than those of a healthy adult population. There was no relationship between LT and CBD dose. Conclusions In this large-sample study, self-dosing CBD was not associated with an increased prevalence of elevation of LT or low levels of TT in men. Furthermore, CBD administration decreased DD and was associated with a lower prevalence of low testosterone levels in older men as compared to age-adjusted population norms.
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Affiliation(s)
| | | | | | - Keith Aqua
- Syzygy Research Solutions, LLC, Wellington, FL, USA
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17
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Tang Y, Tonkovich KL, Rudisill TM. The Effectiveness and Safety of Cannabidiol in Non-seizure-related Indications: A Systematic Review of Published Randomized Clinical Trials. Pharmaceut Med 2022; 36:353-385. [PMID: 36271316 PMCID: PMC9708636 DOI: 10.1007/s40290-022-00446-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/30/2022] [Indexed: 11/30/2022]
Abstract
BACKGROUND Legislative changes have fueled the global availability of cannabis and cannabis-derived compounds, such as cannabidiol. Little is known about the effectiveness and safety of cannabidiol for treating health conditions other than seizure disorders. OBJECTIVE A systematic review of the literature was performed to investigate other health conditions, characteristics of the studied populations, and the effectiveness of cannabidiol in randomized clinical trials. METHODS Seven publication databases were searched from February to March 2021. The inclusion criteria for studies were: (1) utilized a randomized clinical trial design; (2) published in a peer-reviewed journal or thesis/dissertation; (3) published in English; (4) investigated either prescription (i.e., Epidiolex) or non-prescription CBD that was derived from the Cannabis sativa plant with < 3% ∆9-tetrahydrocannabinol; and (5) reported at least one outcome. This review excluded seizure-related disorders as several previous reviews have been done on this topic; it also excluded published protocols, other systematic reviews, or meta-analyses of randomized clinical trials that investigated cannabidiol. Independent reviewing, risk of bias assessment, and data abstraction were performed by two authors. RESULTS Fifty-eight studies from eight countries were included in this review. Twenty-seven studies (47%) were conducted in healthy populations, 14% were restricted to male individuals (n = 8), and 72% had sample sizes of fewer than 40 participants. Doses of cannabidiol used in these studies ranged from 400 µg to 6000 mg. The effect of cannabidiol on mental health was the most studied topic (53%), which focused mainly on anxiety, psychosis, schizophrenia, and substance use disorders. The remaining studies investigated neurological conditions (19%) and a myriad of other health conditions or outcomes. While cannabidiol appears to be anxiolytic, its effectiveness for other conditions was highly variable. CONCLUSIONS This review highlights the inconsistencies of cannabidiol as a treatment for non-seizure-related health conditions or outcomes. Studies incorporating larger sample sizes in more diverse populations are encouraged. While cannabidiol was generally safe and well tolerated even in high doses among the included studies, clearer dosing guidelines and increased regulation of cannabidiol products are also needed.
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Affiliation(s)
- Yuni Tang
- Department of Epidemiology and Biostatistics, School of Public Health, West Virginia University, PO BOX 9190, Morgantown, WV, 26506, USA
| | - Kolbi L Tonkovich
- Department of Family Medicine, School of Medicine, West Virginia University, Morgantown, WV, USA
| | - Toni Marie Rudisill
- Department of Epidemiology and Biostatistics, School of Public Health, West Virginia University, PO BOX 9190, Morgantown, WV, 26506, USA.
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18
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Narayan AJ, Downey LA, Manning B, Hayley AC. Cannabinoid treatments for anxiety: A systematic review and consideration of the impact of sleep disturbance. Neurosci Biobehav Rev 2022. [DOI: https:/doi.org.ezproxy.mnsu.edu/10.1016/j.neubiorev.2022.104941] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/01/2023]
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19
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Narayan A, Downey LA, Manning B, Hayley AC. Cannabinoid Treatments for Anxiety: A Systematic Review and Consideration of the Impact of Sleep Disturbance. Neurosci Biobehav Rev 2022; 143:104941. [DOI: 10.1016/j.neubiorev.2022.104941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 10/13/2022] [Accepted: 10/30/2022] [Indexed: 11/11/2022]
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Kudrich C, Hurd YL, Salsitz E, Wang AL. Adjunctive Management of Opioid Withdrawal with the Nonopioid Medication Cannabidiol. Cannabis Cannabinoid Res 2022; 7:569-581. [PMID: 34678050 PMCID: PMC9587789 DOI: 10.1089/can.2021.0089] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Introduction: Opioid use disorder (OUD) is a major public health crisis worldwide. Patients with OUD inevitably experience withdrawal symptoms when they attempt to taper down on their current opioid use, abstain completely from opioids, or attempt to transition to certain medications for opioid use disorder. Acute opioid withdrawal can be debilitating and include a range of symptoms such as anxiety, pain, insomnia, and gastrointestinal symptoms. Whereas acute opioid withdrawal only lasts for 1-2 weeks, protracted withdrawal symptoms can persist for months after the cessation of opioids. Insufficient management of opioid withdrawal often leads to devastating results including treatment failure, relapse, and overdose. Thus, there is a critical need for cost-effective, nonopioid medications, with minimal side effects to help in the medical management of opioid withdrawal syndrome. We discuss the potential consideration of cannabidiol (CBD), a nonintoxicating component of the cannabis plant, as an adjunctive treatment in managing the opioid withdrawal syndrome. Materials and Methods: A review of the literature was performed using keywords related to CBD and opioid withdrawal syndrome in PubMed and Google Scholar. A total of 144 abstracts were identified, and 41 articles were selected where CBD had been evaluated in clinical studies relevant to opioid withdrawal. Results: CBD has been reported to have several therapeutic properties including anxiolytic, antidepressant, anti-inflammatory, anti-emetic, analgesic, as well as reduction of cue-induced craving for opioids, all of which are highly relevant to opioid withdrawal syndrome. In addition, CBD has been shown in several clinical trials to be a well-tolerated with no significant adverse effects, even when co-administered with a potent opioid agonist. Conclusions: Growing evidence suggests that CBD could potentially be added to the standard opioid detoxification regimen to mitigate acute or protracted opioid withdrawal-related symptoms. However, most existing findings are either based on preclinical studies and/or small clinical trials. Well-designed, prospective, randomized-controlled studies evaluating the effect of CBD on managing opioid withdrawal symptoms are warranted.
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Affiliation(s)
- Christopher Kudrich
- Department of Psychiatry, Addiction Institute of Mount Sinai, Icahn School of Medicine at Mount Sinai, New York, New York, USA
- Mount Sinai Beth Israel Hospital, New York, New York, USA
| | - Yasmin L. Hurd
- Department of Psychiatry, Addiction Institute of Mount Sinai, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Edwin Salsitz
- Department of Psychiatry, Addiction Institute of Mount Sinai, Icahn School of Medicine at Mount Sinai, New York, New York, USA
- Mount Sinai Beth Israel Hospital, New York, New York, USA
| | - An-Li Wang
- Department of Psychiatry, Addiction Institute of Mount Sinai, Icahn School of Medicine at Mount Sinai, New York, New York, USA
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21
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Ranum RM, Whipple MO, Croghan I, Bauer B, Toussaint LL, Vincent A. Use of Cannabidiol in the Management of Insomnia: A Systematic Review. Cannabis Cannabinoid Res 2022; 8:213-229. [PMID: 36149724 DOI: 10.1089/can.2022.0122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Background: Cannabidiol (CBD), one of the major cannabinoids derived from the cannabis plant, is available over the counter. CBD is often used by patients for the management of insomnia, yet research supporting CBDs effectiveness as a treatment for insomnia is inadequate. Objective: The objective of this review was to critically evaluate the literature regarding the therapeutic benefits of CBD in the management of insomnia. Methods: A comprehensive search of the following databases from inception to December 29, 2021, was conducted: Ovid MEDLINE® and Epub Ahead of Print, In-Process & Other Non-Indexed Citations and Daily, Ovid Embase, Ovid Cochrane Central Register of Controlled Trials, Ovid Cochrane Database of Systematic Reviews, and Scopus. The search included randomized controlled trials, nonrandomized experimental studies, cross-sectional studies, cohort studies, case series, and case reports. Risk of bias was assessed with the Agency for Healthcare Research and Quality design-specific recommended criteria. Results: Thirty-four studies were eligible for inclusion. All studies reported improvement in the insomnia symptoms of at least a portion of their participants. Of the 34 studies, 19 studies used CBD predominant therapy and 21 studies used nearly equal ratios of CBD to Δ9-tetrahydrocannabinol (THC). Of the studies that performed hypothesis testing, 4 of 7 studies with a CBD predominant arm and 12 of 16 studies with a nearly equal ratio of CBD to THC arm reported significant improvement in insomnia outcomes. However, only 2 of the 34 studies focused on patients with insomnia, of which 1 study was a case report. Additionally, several studies used nonvalidated subjective measures, and most studies failed to include objective measures for symptom assessment. Conclusions: The results of our systematic review suggest that CBD alone or with equal quantities of THC may be beneficial in alleviating the symptoms of insomnia. Nevertheless, future research assessing CBDs effectiveness in population of patients specifically with insomnia utilizing validated subjective and objective measures is necessary before definitive inferences can be made.
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Affiliation(s)
- Rylea M Ranum
- Department of Psychology, Luther College, Decorah, Iowa, USA
| | - Mary O Whipple
- Department of Adult and Gerontological Health Cooperative, School of Nursing, University of Minnesota, Minneapolis, Minnesota, USA
| | - Ivana Croghan
- Department of Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - Brent Bauer
- Department of Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | | | - Ann Vincent
- Department of Medicine, Mayo Clinic, Rochester, Minnesota, USA
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22
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Ye L, Xu J, Chen C, Zhang L, Wang S. Effects of anti-seizure therapies on sleep in patients with epilepsy: A literature review. Acta Neurol Scand 2022; 146:767-774. [PMID: 36071677 DOI: 10.1111/ane.13699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Accepted: 08/23/2022] [Indexed: 11/27/2022]
Abstract
Sleep disorder is common in epilepsy. With a recent rapid development in sleep medicine, it has been increasingly recognized that anti-seizure therapies, either anti-seizure medications (ASMs) or non-pharmaceutical approaches, can take direct or indirect influence on sleep in patients with epilepsy. Here, we systematically review the effect of anti-seizure treatments on sleep. ASMs targeting at different sites exerted various effects on both sleep structure and sleep quality. Non-pharmaceutical treatments including resective surgery, ketogenic diet, and transcranial magnetic stimulation appear to have a positive effect on sleep, while vagus nerve stimulation, deep brain stimulation, and brain-responsive neurostimulation are likely to interrupt sleep and exacerbate sleep-disordered breathing. The potential mechanisms underlying how non-pharmacological approaches affect sleep are also discussed. The limitation of most studies is that they were largely based on small cohorts by short-term observations. Further well-designed and large-scale investigations in this field are warranted. Understanding the effect of anti-seizure therapies on sleep can guide clinicians to optimize epilepsy treatment in the future.
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Affiliation(s)
- Lingqi Ye
- Epilepsy Center, Department of Neurology, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Jiahui Xu
- Department of Neurology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Cong Chen
- Epilepsy Center, Department of Neurology, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Lisan Zhang
- Department of Neurology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Shuang Wang
- Epilepsy Center, Department of Neurology, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
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23
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Hermush V, Ore L, Stern N, Mizrahi N, Fried M, Krivoshey M, Staghon E, Lederman VE, Bar-Lev Schleider L. Effects of rich cannabidiol oil on behavioral disturbances in patients with dementia: A placebo controlled randomized clinical trial. Front Med (Lausanne) 2022; 9:951889. [PMID: 36148467 PMCID: PMC9486160 DOI: 10.3389/fmed.2022.951889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Accepted: 08/15/2022] [Indexed: 11/13/2022] Open
Abstract
BackgroundAlmost 90% of patients with dementia suffer from some type of neurobehavioral symptom, and there are no approved medications to address these symptoms.ObjectiveTo evaluate the safety and efficacy of the medical cannabis oil “Avidekel” for the reduction of behavioral disturbances among patients with dementia.Materials and methodsIn this randomized, double-blind, single-cite, placebo-controlled trial conducted in Israel (ClinicalTrials.gov: NCT03328676), patients aged at least 60, with a diagnosis of major neurocognitive disorder and associated behavioral disturbances were randomized 2:1 to receive either “Avidekel,” a broad-spectrum cannabis oil (30% cannabidiol and 1% tetrahydrocannabinol: 295 mg and 12.5 mg per ml, respectively; n = 40) or a placebo oil (n = 20) three times a day for 16 weeks. The primary outcome was a decrease, as compared to baseline, of four or more points on the Cohen-Mansfield Agitation Inventory score by week 16.ResultsFrom 60 randomized patients [mean age, 79.4 years; 36 women (60.0%)], 52 (86.7%) completed the trial (all eight patients who discontinued treatment were from the investigational group). There was a statistically significant difference in the proportion of subjects who had a Cohen-Mansfield Agitation Inventory score reduction of ≥ 4 points at week 16: 24/40 (60.0%) and 6/20 (30.0%) for investigational and control groups, respectively (χ2 = 4.80, P = 0.03). There was a statistically significant difference in the proportion of subjects who had a Cohen-Mansfield Agitation Inventory score reduction of ≥ 8 points at week 16: 20/40 (50%) and 3/20 (15%), respectively (χ2 = 6.42, P = 0.011). The ANOVA repeated measures analysis demonstrated significantly more improvement in the investigational group compared to the control group at weeks 14 and 16 (F = 3.18, P = 0.02). Treatment was mostly safe, with no significant differences in the occurrence of adverse events between the two groups.ConclusionIn this randomized controlled trial, ‘Avidekel’ oil significantly reduced agitation over placebo in patients suffering from behavioral disturbances related to dementia, with non-serious side-effects. Further research is required with a larger sample size.
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Affiliation(s)
- Vered Hermush
- Geriatric Wing, Laniado Hospital, Netanya, Israel
- Technion School of Medicine, Haifa, Israel
- *Correspondence: Vered Hermush,
| | - Liora Ore
- Department of Graduate Studies in Health Systems Management, The Max Stern Yezreel Valley College, Jezreel Valley, Israel
| | - Noa Stern
- Geriatric Wing, Laniado Hospital, Netanya, Israel
- Technion School of Medicine, Haifa, Israel
| | | | - Malki Fried
- Geriatric Wing, Laniado Hospital, Netanya, Israel
| | | | - Ella Staghon
- Geriatric Wing, Laniado Hospital, Netanya, Israel
| | | | - Lihi Bar-Lev Schleider
- Research Department, Tikun-Olam Cannbit Pharmaceuticals, Tel Aviv, Israel
- Clinical Research Center, Soroka University Medical Center and Faculty of Health Sciences, Ben-Gurion University of the Negev, Be’er Sheva, Israel
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24
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Lavender I, McGregor IS, Suraev A, Grunstein RR, Hoyos CM. Cannabinoids, Insomnia, and Other Sleep Disorders. Chest 2022; 162:452-465. [PMID: 35537535 DOI: 10.1016/j.chest.2022.04.151] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 04/18/2022] [Accepted: 04/19/2022] [Indexed: 01/20/2023] Open
Abstract
Sleep disturbances are often cited as a primary reason for medicinal cannabis use, and there is increasing clinical interest in the therapeutic potential of cannabinoids in treating sleep disorders. Burgeoning evidence suggests a role of the endocannabinoid system in regulating the circadian sleep-wake cycle, highlighting a potential avenue for developing novel therapeutics. Despite widespread use of cannabis products as sleep aids globally, robustly designed studies verifying efficacy in sleep-disordered populations are limited. Although some study outcomes have suggested cannabinoid utility in insomnia disorder and sleep apnea, most studies to date are limited by small sample sizes, lack of rigorously controlled study designs, and high risk of bias. This critical review summarizes the current evidence for the use of cannabinoids as a treatment for sleep disorders and provides an overview of endocannabinoid modulation of sleep-wake cycles, as well as the sleep-modulating effects of plant-derived cannabinoids such as delta-9-tetrahydrocannbinol, cannabidiol, and cannabinol. The review also discusses practical considerations for clinicians regarding cannabinoid formulations, routes of administration, respiratory concerns, dosing, potential side effects, drug interactions, and effects relevant to driving, tolerance, and withdrawal. Although current interest in, and uptake of, medicinal cannabis use for sleep disorders may have surpassed the evidence base, there is a strong rationale for continued investigation into the therapeutic potential of cannabinoids.
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Affiliation(s)
- Isobel Lavender
- Centre for Sleep and Chronobiology, Woolcock Institute of Medical Research, University of Sydney, Sydney, NSW, Australia; Faculty of Science, School of Psychology, University of Sydney, Sydney, NSW, Australia; Lambert Initiative for Cannabinoid Therapeutics, University of Sydney, Sydney, NSW, Australia; Brain and Mind Centre, University of Sydney, Sydney, NSW, Australia
| | - Iain S McGregor
- Faculty of Science, School of Psychology, University of Sydney, Sydney, NSW, Australia; Lambert Initiative for Cannabinoid Therapeutics, University of Sydney, Sydney, NSW, Australia; Brain and Mind Centre, University of Sydney, Sydney, NSW, Australia
| | - Anastasia Suraev
- Centre for Sleep and Chronobiology, Woolcock Institute of Medical Research, University of Sydney, Sydney, NSW, Australia; Faculty of Science, School of Psychology, University of Sydney, Sydney, NSW, Australia; Lambert Initiative for Cannabinoid Therapeutics, University of Sydney, Sydney, NSW, Australia; Brain and Mind Centre, University of Sydney, Sydney, NSW, Australia
| | - Ronald R Grunstein
- Centre for Sleep and Chronobiology, Woolcock Institute of Medical Research, University of Sydney, Sydney, NSW, Australia; Faculty of Medicine and Health, University of Sydney, Sydney, NSW, Australia; Royal Prince Alfred Hospital, Sydney, NSW, Australia
| | - Camilla M Hoyos
- Centre for Sleep and Chronobiology, Woolcock Institute of Medical Research, University of Sydney, Sydney, NSW, Australia; Faculty of Science, School of Psychology, University of Sydney, Sydney, NSW, Australia; Brain and Mind Centre, University of Sydney, Sydney, NSW, Australia.
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25
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Schnapp A, Harel M, Cayam-Rand D, Cassuto H, Polyansky L, Aran A. A Placebo-Controlled Trial of Cannabinoid Treatment for Disruptive Behavior in Children and Adolescents with Autism Spectrum Disorder: Effects on Sleep Parameters as Measured by the CSHQ. Biomedicines 2022; 10:biomedicines10071685. [PMID: 35884990 PMCID: PMC9312464 DOI: 10.3390/biomedicines10071685] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 07/08/2022] [Accepted: 07/12/2022] [Indexed: 12/18/2022] Open
Abstract
Autism spectrum disorder (ASD) is often associated with debilitating sleep disturbances. While anecdotal evidence suggests the positive effect of cannabinoids, randomized studies are lacking. Here, we report the effects of cannabinoid treatment on the sleep of 150 children and adolescents with ASD, as part of a double-blind, placebo-controlled study that assessed the impact of cannabinoid treatment on behavior (NCT02956226). Participants were randomly assigned to one of the following three treatments: (1) whole-plant cannabis extract, containing cannabidiol (CBD) and Δ9-Tetrahydrocannabinol (THC) in a 20:1 ratio, (2) purified CBD and THC extract in the same ratio, and (3) an oral placebo. After 12 weeks of treatment (Period 1) and a 4-week washout period, participants crossed over to a predetermined, second 12-week treatment (Period 2). Sleep disturbances were assessed using the Children’s Sleep-Habit Questionnaire (CSHQ). We found that the CBD-rich cannabinoid treatment was not superior to the placebo treatment in all aspects of sleep measured by the CSHQ, including bedtime resistance, sleep-onset delay, and sleep duration. Notably, regardless of the treatment (cannabinoids or placebo), improvements in the CSHQ total score were associated with improvements in the autistic core symptoms, as indicated by the Social Responsiveness Scale total scores (Period 1: r = 0.266, p = 0.008; Period 2: r = 0.309, p = 0.004). While this study failed to demonstrate that sleep improvements were higher with cannabinoids than they were with the placebo treatment, further studies are required.
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Affiliation(s)
- Aviad Schnapp
- Department of Pediatrics, Hadassah Medical Center, Jerusalem 91120, Israel;
| | - Moria Harel
- Neuropediatric Unit, Shaare Zedek Medical Center, Jerusalem 9103102, Israel; (M.H.); (D.C.-R.); (L.P.)
| | - Dalit Cayam-Rand
- Neuropediatric Unit, Shaare Zedek Medical Center, Jerusalem 9103102, Israel; (M.H.); (D.C.-R.); (L.P.)
| | - Hanoch Cassuto
- Child Development Centers, Leumit Health Services, Jerusalem 9439221, Israel;
| | - Lola Polyansky
- Neuropediatric Unit, Shaare Zedek Medical Center, Jerusalem 9103102, Israel; (M.H.); (D.C.-R.); (L.P.)
| | - Adi Aran
- Neuropediatric Unit, Shaare Zedek Medical Center, Jerusalem 9103102, Israel; (M.H.); (D.C.-R.); (L.P.)
- Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem 9112102, Israel
- Correspondence:
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26
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Henson JD, Vitetta L, Hall S. Tetrahydrocannabinol and cannabidiol medicines for chronic pain and mental health conditions. Inflammopharmacology 2022; 30:1167-1178. [PMID: 35796920 PMCID: PMC9294022 DOI: 10.1007/s10787-022-01020-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Accepted: 06/13/2022] [Indexed: 01/07/2023]
Abstract
Combination tetrahydrocannabinol (THC)/cannabidiol (CBD) medicines or CBD-only medicines are prospective treatments for chronic pain, stress, anxiety, depression, and insomnia. THC and CBD increase signaling from cannabinoid receptors, which reduces synaptic transmission in parts of the central and peripheral nervous systems and reduces the secretion of inflammatory factors from immune and glial cells. The overall effect of adding CBD to THC medicines is to enhance the analgesic effect but counteract some of the adverse effects. There is substantial evidence for the effectiveness of THC/CBD combination medicines for chronic pain, especially neuropathic and nociplastic pain or pain with an inflammatory component. For CBD-only medication, there is substantial evidence for stress, moderate evidence for anxiety and insomnia, and minimal evidence for depression and pain. THC/CBD combination medicines have a good tolerability and safety profile relative to opioid analgesics and have negligible dependence and abuse potential; however, should be avoided in patients predisposed to depression, psychosis and suicide as these conditions appear to be exacerbated. Non-serious adverse events are usually dose-proportional, subject to tachyphylaxis and are rarely dose limiting when patients are commenced on a low dose with gradual up-titration. THC and CBD inhibit several Phase I and II metabolism enzymes, which increases the exposure to a wide range of drugs and appropriate care needs to be taken. Low-dose CBD that appears effective for chronic pain and mental health has good tolerability and safety, with few adverse effects and is appropriate as an initial treatment.
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Affiliation(s)
- Jeremy D Henson
- Prince of Wales Clinical School, University of NSW, Sydney, NSW, 2052, Australia. .,Medlab Clinical Ltd, Sydney, NSW, 2015, Australia.
| | - Luis Vitetta
- Prince of Wales Clinical School, University of NSW, Sydney, NSW, 2052, Australia.,Faculty of Medicine and Health, The University of Sydney, Sydney, NSW, 2006, Australia
| | - Sean Hall
- Medlab Clinical Ltd, Sydney, NSW, 2015, Australia
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27
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Peng J, Fan M, An C, Ni F, Huang W, Luo J. A narrative review of molecular mechanism and therapeutic effect of Cannabidiol (CBD). Basic Clin Pharmacol Toxicol 2022; 130:439-456. [PMID: 35083862 DOI: 10.1111/bcpt.13710] [Citation(s) in RCA: 74] [Impact Index Per Article: 37.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 01/20/2022] [Accepted: 01/21/2022] [Indexed: 11/28/2022]
Abstract
Cannabidiol (CBD) is an abundant non-psychoactive phytocannabinoid in Cannabis extracts which has high affinity on a series of receptors, including type 1 cannabinoid receptor (CB1), type 2 cannabinoid receptor (CB2), GPR55, transient receptor potential vanilloid (TRPV), and peroxisome proliferator-activated receptor gamma (PPARγ). By modulating the activities of these receptors, CBD exhibits multiple therapeutic effects, including neuroprotective, antiepileptic, anxiolytic, antipsychotic, anti-inflammatory, analgesic and anti-cancer properties. CBD could also be applied to treat or prevent COVID-19 and its complications. Here, we provide a narrative review of CBD's applications in human diseases: from mechanism of action to clinical trials.
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Affiliation(s)
- Jiangling Peng
- Department of Diabetes Complications and Metabolism, Beckman Research Institute, City of Hope National Medical Center, Duarte, CA, USA
| | - Mingjie Fan
- Department of Diabetes Complications and Metabolism, Beckman Research Institute, City of Hope National Medical Center, Duarte, CA, USA
| | - Chelsea An
- Department of Diabetes Complications and Metabolism, Beckman Research Institute, City of Hope National Medical Center, Duarte, CA, USA
| | - Feng Ni
- Institute of Drug Discovery Technology, Ningbo University, Ningbo, Zhejiang, China
| | - Wendong Huang
- Department of Diabetes Complications and Metabolism, Beckman Research Institute, City of Hope National Medical Center, Duarte, CA, USA
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28
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Murillo-Rodríguez E, Carreón C, Acosta-Hernández ME, García-García F. Stimulants and Depressor Drugs in the Sleep-Wake Cycle Modulation: The case of alcohol and cannabinoids. Curr Top Med Chem 2022; 22:1270-1279. [PMID: 34986773 DOI: 10.2174/1568026622666220105105054] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 11/26/2021] [Accepted: 12/05/2021] [Indexed: 11/22/2022]
Abstract
A complex neurobiological network drives the sleep-wake cycle. In addition, external stimuli, including stimulants or depressor drugs, also influence the control of sleep. Here we review the recent advances that contribute to the comprehensive understanding of the actions of stimulants and depressor compounds, such as alcohol and cannabis, in sleep regulation. The objective of this review is to highlight the neurobiological mechanism engaged by alcohol and cannabis in sleep control.
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Affiliation(s)
- Eric Murillo-Rodríguez
- Laboratorio de Neurociencias Moleculares e Integrativas. Escuela de Medicina, División Ciencias de la Salud Universidad Anáhuac Mayab. Mérida, Yucatán. México
| | - Cristina Carreón
- Laboratorio de Neurociencias Moleculares e Integrativas. Escuela de Medicina, División Ciencias de la Salud Universidad Anáhuac Mayab. Mérida, Yucatán. México
| | | | - Fabio García-García
- Biomedicine Department, Health Science Institute, Veracruzana University. Xalapa, Veracruz. México
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29
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Kolla BP, Hayes L, Cox C, Eatwell L, Deyo-Svendsen M, Mansukhani MP. The Effects of Cannabinoids on Sleep. J Prim Care Community Health 2022; 13:21501319221081277. [PMID: 35459406 PMCID: PMC9036386 DOI: 10.1177/21501319221081277] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022] Open
Abstract
The use of cannabis products to help with sleep and various other medical conditions by the public has increased significantly in recent years. Withdrawal from cannabinoids can lead to sleep disturbance. Here, we describe a patient who developed significant insomnia leading to worsening anxiety, mood, and suicidal ideation in the setting of medical cannabis withdrawal, prompting presentation to the Emergency Department and inpatient admission. There is a limited evidence base for the use of cannabis products for sleep. We provide a comprehensive review evaluating the literature on the use of cannabis products on sleep, including an overview of cannabis and related psychoactive compounds, the current state of the law as it pertains to the prescribing and use of these substances, and potential side effects and drug interactions. We specifically discuss the impact of cannabis products on normal sleep and circadian sleep-wake rhythms, insomnia, excessive daytime sleepiness, sleep apnea, parasomnias, and restless legs syndrome. We also describe the effects of cannabis withdrawal on sleep and how this increases relapse to cannabis use. Most of the studies are observational but the few published randomized controlled trials are reviewed. Our comprehensive review of the effects of cannabis products on normal sleep and sleep disorders, relevant to primary care providers and other clinicians evaluating and treating patients who use these types of products, shows that cannabis products have minimal to no effects on sleep disorders and may have deleterious effects in some individuals. Further research examining the differential impact of the various types of cannabinoids that are currently available on each of these sleep disorders is required.
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Affiliation(s)
| | - Lisa Hayes
- Mayo Clinic Health System Southwest Minnesota, Mankato, MN, USA
| | - Chaun Cox
- Mayo Clinic Health System Southwest Minnesota, Mankato, MN, USA
| | - Lindy Eatwell
- Mayo Clinic Health System Southwest Minnesota, Mankato, MN, USA
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30
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Weiss MC, Hibbs JE, Buckley ME, Danese SR, Leitenberger A, Bollmann-Jenkins M, Meske SW, Aliano-Ruiz KE, McHugh TW, Larson SL, Le EH, Green NL, Gilman PB, Kaklamani VG, Chlebowski RT, Martinez DM. A Coala-T-Cannabis Survey Study of breast cancer patients' use of cannabis before, during, and after treatment. Cancer 2022; 128:160-168. [PMID: 34636036 PMCID: PMC9413357 DOI: 10.1002/cncr.33906] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 07/16/2021] [Accepted: 08/12/2021] [Indexed: 01/03/2023]
Abstract
BACKGROUND The goal of this study was to characterize cannabis use among patients with breast cancer, including their reasons for and timing of use, their sources of cannabis information and products, their satisfaction with the information found, their perceptions of its safety, and their dialogue about cannabis with their physicians. METHODS United States-based members of the Breastcancer.org and Healthline.com communities with a self-reported diagnosis of breast cancer within 5 years (age ≥ 18 years) were invited to participate in an anonymous online survey. After informed consent was obtained, nonidentifiable data were collected and analyzed. RESULTS Of all participants (n = 612), 42% (n = 257) reported using cannabis for relief of symptoms, which included pain (78%), insomnia (70%), anxiety (57%), stress (51%), and nausea/vomiting (46%). Furthermore, 49% of cannabis users believed that medical cannabis could be used to treat cancer itself. Of those taking cannabis, 79% had used it during treatment, which included systemic therapies, radiation, and surgery. At the same time, few (39%) had discussed it with any of their physicians. CONCLUSIONS A significant percentage of survey participants (42%) used cannabis to address symptoms; approximately half of these participants believed that cannabis could treat cancer itself. Most participants used cannabis during active cancer treatment despite the potential for an adverse event during this vulnerable time. Furthermore, most participants believed that cannabis was safe and were unaware that product quality varied widely and depended on the source. This study reviews the research on medicinal cannabis in the setting of these findings to help physicians to recognize its risks and benefits for patients with cancer. LAY SUMMARY Almost half of patients with breast cancer use cannabis, most commonly during active treatment to manage common symptoms and side effects: pain, anxiety, insomnia, and nausea. However, most patients do not discuss cannabis use with their physicians. Instead, the internet and family/friends are the most common sources of cannabis information. Furthermore, most participants believe that cannabis products are safe and are unaware that the safety of many products is untested.
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Affiliation(s)
- Marisa C. Weiss
- Breastcancer.org, Ardmore, Pennsylvania,Socanna, Narberth, Pennsylvania,Radiation Oncology, Lankenau Medical Center, Wynnewood, Pennsylvania,Lankenau Institute for Medical Research, Wynnewood, Pennsylvania
| | | | - Meghan E. Buckley
- Center for Population Health Research, Main Line Health, Wynnewood, Pennsylvania
| | | | | | | | - Sam W. Meske
- Lankenau Institute for Medical Research, Wynnewood, Pennsylvania,Center for Population Health Research, Main Line Health, Wynnewood, Pennsylvania
| | | | | | - Sharon L. Larson
- Center for Population Health Research, Main Line Health, Wynnewood, Pennsylvania
| | | | | | - Paul B. Gilman
- Lankenau Institute for Medical Research, Wynnewood, Pennsylvania
| | - Virginia G. Kaklamani
- Medical Oncology, Internal Medicine, University of Texas Health San Antonio, San Antonio, Texas
| | - Rowan T. Chlebowski
- Lundquist Institute for Biomedical Innovation, Harbor-UCLA Medical Center, Torrance, California
| | - Diana M. Martinez
- Department of Psychiatry, Columbia University Irving Medical Center, New York, New York
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31
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Maddison KJ, Kosky C, Walsh JH. Is There a Place for Medicinal Cannabis in Treating Patients with Sleep Disorders? What We Know so Far. Nat Sci Sleep 2022; 14:957-968. [PMID: 35611178 PMCID: PMC9124464 DOI: 10.2147/nss.s340949] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 05/06/2022] [Indexed: 02/02/2023] Open
Abstract
The legalization of cannabis for medicinal, and in some countries, recreational, purposes in addition to growth in the cannabis industry has meant that cannabis use and interest in the area has increased rapidly over the past 20 years. Treatment of poor sleep and sleep disorders are two of the most common reasons for the current use of medicinal cannabis. However, evidence for the role of medical cannabis in the treatment of sleep disorders has not been clearly established, thus making it challenging for clinicians to make evidence-based decisions regarding efficacy and safety. This narrative review summarizes the highest quality clinical evidence currently available in relation to the use of medicinal cannabis for the treatment of sleep disorders including insomnia, obstructive sleep apnea, restless legs syndrome, rapid eye movement sleep behavior disorder, nightmare disorder and narcolepsy. A summary of the effect of cannabis on sleep quality and architecture is also presented. Currently, there is insufficient evidence to support the routine use of medicinal cannabis as an effective and safe treatment option for any sleep disorder. Nevertheless, emerging evidence is promising and warrants further investigation using standardized cannabinoid products and validated quantitative measurement techniques.
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Affiliation(s)
- Kathleen J Maddison
- West Australian Sleep Disorders Research Institute, Department of Pulmonary Physiology & Sleep Medicine, Sir Charles Gairdner Hospital, Perth, Western Australia, Australia.,Centre for Sleep Science, University of Western Australia, Perth, Western Australia, Australia
| | - Christopher Kosky
- West Australian Sleep Disorders Research Institute, Department of Pulmonary Physiology & Sleep Medicine, Sir Charles Gairdner Hospital, Perth, Western Australia, Australia
| | - Jennifer H Walsh
- West Australian Sleep Disorders Research Institute, Department of Pulmonary Physiology & Sleep Medicine, Sir Charles Gairdner Hospital, Perth, Western Australia, Australia.,Centre for Sleep Science, University of Western Australia, Perth, Western Australia, Australia
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32
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Turner J, Kantardzic M, Vickers-Smith R. Infodemiological Examination of Personal and Commercial Tweets About Cannabidiol: Term and Sentiment Analysis. J Med Internet Res 2021; 23:e27307. [PMID: 34932014 PMCID: PMC8726039 DOI: 10.2196/27307] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 05/21/2021] [Accepted: 11/10/2021] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND In the absence of official clinical trial information, data from social networks can be used by public health and medical researchers to assess public claims about loosely regulated substances such as cannabidiol (CBD). For example, this can be achieved by comparing the medical conditions targeted by those selling CBD against the medical conditions patients commonly treat with CBD. OBJECTIVE The objective of this study was to provide a framework for public health and medical researchers to use for identifying and analyzing the consumption and marketing of unregulated substances. Specifically, we examined CBD, which is a substance that is often presented to the public as medication despite complete evidence of efficacy and safety. METHODS We collected 567,850 tweets by searching Twitter with the Tweepy Python package using the terms "CBD" and "cannabidiol." We trained two binary text classifiers to create two corpora of 167,755 personal use and 143,322 commercial/sales tweets. Using medical, standard, and slang dictionaries, we identified and compared the most frequently occurring medical conditions, symptoms, side effects, body parts, and other substances referenced in both corpora. In addition, to assess popular claims about the efficacy of CBD as a medical treatment circulating on Twitter, we performed sentiment analysis via the VADER (Valence Aware Dictionary for Sentiment Reasoning) model on the personal CBD tweets. RESULTS We found references to medically relevant terms that were unique to either personal or commercial CBD tweet classes, as well as medically relevant terms that were common to both classes. When we calculated the average sentiment scores for both personal and commercial CBD tweets referencing at least one of 17 medical conditions/symptoms terms, an overall positive sentiment was observed in both personal and commercial CBD tweets. We observed instances of negative sentiment conveyed in personal CBD tweets referencing autism, whereas CBD was also marketed multiple times as a treatment for autism within commercial tweets. CONCLUSIONS Our proposed framework provides a tool for public health and medical researchers to analyze the consumption and marketing of unregulated substances on social networks. Our analysis showed that most users of CBD are satisfied with it in regard to the condition that it is being advertised for, with the exception of autism.
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Affiliation(s)
- Jason Turner
- Data Mining Lab, Department of Computer Science and Engineering, University of Louisville, Louisville, KY, United States
| | - Mehmed Kantardzic
- Data Mining Lab, Department of Computer Science and Engineering, University of Louisville, Louisville, KY, United States
| | - Rachel Vickers-Smith
- Department of Epidemiology, College of Public Health, University of Kentucky, Lexington, KY, United States
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Sexton M, Garcia JM, Jatoi A, Clark CS, Wallace MS. The Management of Cancer Symptoms and Treatment-Induced Side Effects With Cannabis or Cannabinoids. J Natl Cancer Inst Monogr 2021; 2021:86-98. [PMID: 34850897 DOI: 10.1093/jncimonographs/lgab011] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Accepted: 09/02/2021] [Indexed: 01/06/2023] Open
Abstract
Cannabis and cannabinoids are increasingly being accessed and used by patients with advanced cancer for various symptoms and general quality of life. Specific symptoms of pain, nausea and vomiting, loss of appetite and cachexia, anxiety, sleep disturbance, and medical trauma are among those that have prompted patients with cancer to use cannabis. This conference report from the National Cancer Institute's "Cannabis, Cannabinoid and Cancer Research Symposium" on the topic of "Cancer Symptom/Treatment Side Effect Management" is an expert perspective of cannabis intervention for cancer and cancer treatment-related symptoms. The purpose of the symposium was to identify research gaps, describe the need for high-quality randomized prospective studies of medical cannabis for palliative care in patients with cancer, and evaluate the impact of medical cannabis on cancer survivors' quality of life. Further, education of clinicians and affiliated health-care providers in guiding cancer patients in using cannabis for cancer care would benefit patients. Together, these steps will further aid in refining the use of cannabis and cannabinoids for symptom palliation and improve safety and efficacy for patients.
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Affiliation(s)
- Michelle Sexton
- Department of Anesthesiology, Division of Pain Management, University of California, San Diego, CA, USA
| | - Jose M Garcia
- Department of Medicine, Division of Geriatrics, University of Washington and Geriatric Research Education and Clinical Center, Puget Sound Veterans Administration Health Care System, Seattle, WA, USA
| | - Aminah Jatoi
- Department of Oncology, Mayo Clinic, Rochester, MN, USA
| | - Carey S Clark
- Department of Nursing, Pacific College of Health and Science, San Diego, CA, USA
| | - Mark S Wallace
- Department of Anesthesiology, Division of Pain Management, University of California, San Diego, CA, USA
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34
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Liguori C, Toledo M, Kothare S. Effects of anti-seizure medications on sleep architecture and daytime sleepiness in patients with epilepsy: A literature review. Sleep Med Rev 2021; 60:101559. [PMID: 34710770 DOI: 10.1016/j.smrv.2021.101559] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 10/01/2021] [Accepted: 10/04/2021] [Indexed: 10/20/2022]
Abstract
Anti-seizure medications (ASMs) may improve or be detrimental to sleep. A literature review (as an update to the 2014 review by Jain and Glauser [https://doi.org/10.1111/epi.12478]) of 25 ASMs of interest (articles from 12 ASMs included) on the effect of ASMs/non-drug treatments on sleep in patients with epilepsy was conducted. The most common objective instrument was polysomnography, and the most common subjective measures were the Epworth Sleepiness Scale and the Pittsburgh Sleep Quality Index. Eslicarbazepine acetate, lacosamide, and perampanel improved or had no effect on sleep. Perampanel was associated with low incidence of insomnia, and lacosamide with low incidence of daytime sleepiness adverse events. Clonazepam, felbamate, lamotrigine, oxcarbazepine, and phenobarbital worsened or had no effect on sleep. Lamotrigine may be associated with insomnia risk and phenobarbital with daytime sleepiness. Data for valproic acid were mixed. Overall, cannabidiol, carbamazepine, and levetiracetam had no effect on sleep. Epilepsy surgery may benefit sleep in patients with a good surgical outcome. Some ASMs, and, possibly, epilepsy surgery, may have positive effects on sleep, possibly linked to achieving seizure control. Nonetheless, other ASMs may worsen sleep in some settings. Clinicians should consider such observations when making treatment decisions, particularly for patients with comorbid sleep disorders.
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Affiliation(s)
- Claudio Liguori
- Epilepsy Centre, Neurology Unit, University Hospital of Rome "Tor Vergata", Rome, Italy; Department of Systems Medicine, University of Rome "Tor Vergata", Rome, Italy.
| | - Manuel Toledo
- Epilepsy Unit, Vall d'Hebron University Hospital, Barcelona, Spain
| | - Sanjeev Kothare
- Department of Pediatrics, Cohen Children's Medical Center, Zucker School of Medicine at Hofstra/Northwell, New York, NY, USA
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35
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Li J, Carvajal R, Bruner L, Kaminski NE. The current understanding of the benefits, safety, and regulation of cannabidiol in consumer products. Food Chem Toxicol 2021; 157:112600. [PMID: 34626752 DOI: 10.1016/j.fct.2021.112600] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2021] [Revised: 09/30/2021] [Accepted: 10/04/2021] [Indexed: 01/04/2023]
Abstract
The popularity of cannabidiol (CBD) in consumer products is soaring as consumers are using CBD for general health and well-being as well as to seek relief from ailments especially pain, inflammation, anxiety, depression, and sleep disorders. However, there are limited data currently in the public domain that provide support for these benefits. By contrast, a significant amount of safety evaluation data for CBD have been obtained recently from pre-clinical and clinical studies of the CBD therapeutic Epidiolex®. Yet some key data gaps concerning the safe use of CBD still remain. Furthermore, current regulations on CBD use in consumer products remain uncertain and often conflict between the state and federal level. In light of the rapidly expanding popularity of CBD-related products in the marketplace, here we review the current understanding of the benefits, safety, and regulations surrounding CBD in consumer products. This review does not advocate for or against the use of CBD in consumer products. Rather this review seeks to assess the state-of-the-science on the health effects and safety of CBD, to identify critical knowledge gaps for future studies, and to raise the awareness of the current regulations that govern CBD use in consumer products.
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Affiliation(s)
- Jinpeng Li
- Center for Research on Ingredient Safety, Michigan State University, East Lansing, MI, 48824, USA; Institute for Integrative Toxicology, Michigan State University, East Lansing, MI, 48824, USA
| | | | - Leon Bruner
- Institute for Integrative Toxicology, Michigan State University, East Lansing, MI, 48824, USA
| | - Norbert E Kaminski
- Center for Research on Ingredient Safety, Michigan State University, East Lansing, MI, 48824, USA; Institute for Integrative Toxicology, Michigan State University, East Lansing, MI, 48824, USA; Department of Pharmacology and Toxicology, Michigan State University, East Lansing, MI, 48824, USA.
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36
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Fowler C. The Use of Marijuana Derivatives in Primary Care: An Evidence-Based Approach to Cannabidiol. J Nurse Pract 2021. [DOI: 10.1016/j.nurpra.2021.07.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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37
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Abstract
Cannabis is widely used for both recreational and medicinal purposes on a global scale. There is accumulating interest in the use of cannabis and its constituents for athletic recovery, and in some instances, performance. Amidst speculation of potential beneficial applications, the effects of cannabis and its two most abundant constituents, delta-9-tetrahydrocannabinol (THC) and cannabidiol (CBD), remain largely un-investigated. The purpose of this review is to critically evaluate the literature describing the effects of whole cannabis, THC, and CBD, on athletic performance and recovery. While investigations of whole cannabis and THC have generally shown either null or detrimental effects on exercise performance in strength and aerobic-type activities, studies of sufficient rigor and validity to conclusively declare ergogenic or ergolytic potential in athletes are lacking. The ability of cannabis and THC to perturb cardiovascular homeostasis warrants further investigation regarding mechanisms by which performance may be affected across different exercise modalities and energetic demands. In contrast to cannabis and THC, CBD has largely been scrutinized for its potential to aid in recovery. The beneficial effects of CBD on sleep quality, pain, and mild traumatic brain injury may be of particular interest to certain athletes. However, research in each of these respective areas has yet to be thoroughly investigated in athletic populations. Elucidating the effects of whole cannabis, THC, and CBD is pertinent for both researchers and practitioners given the widespread use of these products, and their potential to interact with athletes' performance and recovery.
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Affiliation(s)
- Jamie F Burr
- Human Health and Nutritional Sciences, University of Guelph, 50 Stone Road E, Guelph, ON, N1G2W1, Canada.
| | - Christian P Cheung
- Human Health and Nutritional Sciences, University of Guelph, 50 Stone Road E, Guelph, ON, N1G2W1, Canada
| | - Andreas M Kasper
- Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool, UK
| | - Scott H Gillham
- Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool, UK
| | - Graeme L Close
- Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool, UK
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L’usage du cannabidiol dans le sport : une bonne idée ? Sci Sports 2021. [DOI: 10.1016/j.scispo.2021.03.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Arout CA, Haney M, Herrmann ES, Bedi G, Cooper ZD. A placebo-controlled investigation of the analgesic effects, abuse liability, safety and tolerability of a range of oral cannabidiol doses in healthy humans. Br J Clin Pharmacol 2021; 88:347-355. [PMID: 34223660 DOI: 10.1111/bcp.14973] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 06/23/2021] [Accepted: 06/24/2021] [Indexed: 01/10/2023] Open
Abstract
AIMS Preclinical studies demonstrate that cannabidiol (CBD) elicits an antinociceptive response in animal models of neuropathic pain; in humans, limited data are available to support such analgesic effects. Few studies have examined CBD's analgesic effects when administered without other compounds, and little is known regarding dose-dependent effects in noncannabis users. METHODS This double-blind, placebo-controlled, within-subject outpatient clinical laboratory study sought to determine the analgesic effects, abuse liability, safety and tolerability of acute CBD (0, 200, 400 and 800 mg orally) in healthy noncannabis-using volunteers (n = 17; 8 men, 9 women). Outcomes included experimental pain threshold and pain tolerance using the cold pressor test (CPT), subjective ratings of CPT painfulness and bothersomeness, subjective ratings of abuse liability and mood, and cardiovascular measures, which were assessed at baseline and several time points after drug administration. Data analyses included repeated measures analysis of variance (ANOVA) with planned comparisons. RESULTS CBD failed to consistently affect pain threshold and tolerance in the CPT relative to placebo. All doses of CBD increased ratings of painfulness compared to placebo (P < .01). Further, CBD had dose-dependent, modest effects on mood and subjective drug effects associated with abuse liability. Oral CBD was safe and well tolerated, producing small decreases in blood pressure (P < .01). CONCLUSION CBD did not elicit consistent dose-dependent analgesia and in fact increased pain on some measures. Future studies exploring CBD-induced pain relief should consider using a more extensive pain assessment paradigm in different participant populations.
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Affiliation(s)
- Caroline A Arout
- Division on Substance Use Disorders, New York Psychiatric Institute and Department of Psychiatry, Columbia University Irving Medical Center, New York, NY, USA
| | - Margaret Haney
- Division on Substance Use Disorders, New York Psychiatric Institute and Department of Psychiatry, Columbia University Irving Medical Center, New York, NY, USA
| | - Evan S Herrmann
- Division of Therapeutics and Medical Consequences, National Institute on Drug Abuse, USA
| | - Gillinder Bedi
- Centre for Youth Mental Health, The University of Melbourne and Substance Use Research Group, Melbourne, Australia
| | - Ziva D Cooper
- University of California, Los Angeles Cannabis Research Initiative, Jane & Terry Semel Institute for Neuroscience & Human Behavior, Department of Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine, Los Angeles, CA, USA.,Department of Anesthesiology and Perioperative Medicine, David Geffen School of Medicine, University of California, Los Angeles, CA, USA
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Crippa JA, Pereira Junior LC, Pereira LC, Zimmermann PM, Brum Junior L, Rechia LM, Dias I, Hallak JE, Campos AC, Guimarães FS, Queiroz RH, Zuardi AW. Effect of two oral formulations of cannabidiol on responses to emotional stimuli in healthy human volunteers: pharmaceutical vehicle matters. BRAZILIAN JOURNAL OF PSYCHIATRY 2021; 44:15-20. [PMID: 34076067 PMCID: PMC8827362 DOI: 10.1590/1516-4446-2020-1684] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Accepted: 03/02/2021] [Indexed: 12/21/2022]
Abstract
OBJECTIVE To compare plasma concentrations of cannabidiol (CBD) following oral administration of two formulations of the drug (powder and dissolved in oil), and to evaluate the effects of these distinct formulations on responses to emotional stimuli in healthy human volunteers. METHODS In a randomized, double-blind, placebo-controlled, parallel-group design, 45 healthy male volunteers were randomly assigned to three groups of 15 subjects that received either 150 mg of CBD powder; 150 mg of CBD dissolved in corn oil; or placebo. Blood samples were collected at different times after administration, and a facial emotion recognition task was completed after 150 min. RESULTS There were no significant differences across groups in the subjective and physiological measures, nor in the facial emotion recognition task. However, groups that received the drug showed statistically significant differences in baseline measures of plasma CBD, with a significantly greater difference in favor of the oil formulation. CONCLUSION When administered as a single 150-mg dose, neither formulation of oral CBD altered responses to emotional stimuli in healthy subjects. The oil-based CBD formulation resulted in more rapid achievement of peak plasma level, with an approximate fourfold increase in oral bioavailability.
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Affiliation(s)
- José A Crippa
- Departamento de Neurociências e Ciências do Comportamento, Faculdade de Medicina de Ribeirão Preto (FMRP), Universidade de São Paulo (USP), Ribeirão Preto, SP, Brazil.,Instituto Nacional de Ciência e Tecnologia, Medicina Translacional (INCT-TM), Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq), Ribeirão Preto, SP, Brazil
| | - Luiz C Pereira Junior
- Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, USP, Ribeirão Preto, SP, Brazil
| | - Lívia C Pereira
- Departamento de Neurociências e Ciências do Comportamento, Faculdade de Medicina de Ribeirão Preto (FMRP), Universidade de São Paulo (USP), Ribeirão Preto, SP, Brazil
| | | | | | | | - Isabella Dias
- Departamento de Neurociências e Ciências do Comportamento, Faculdade de Medicina de Ribeirão Preto (FMRP), Universidade de São Paulo (USP), Ribeirão Preto, SP, Brazil
| | - Jaime E Hallak
- Departamento de Neurociências e Ciências do Comportamento, Faculdade de Medicina de Ribeirão Preto (FMRP), Universidade de São Paulo (USP), Ribeirão Preto, SP, Brazil.,Instituto Nacional de Ciência e Tecnologia, Medicina Translacional (INCT-TM), Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq), Ribeirão Preto, SP, Brazil
| | - Alline C Campos
- Departamento de Neurociências e Ciências do Comportamento, Faculdade de Medicina de Ribeirão Preto (FMRP), Universidade de São Paulo (USP), Ribeirão Preto, SP, Brazil.,Departamento de Farmacologia, FMRP, USP, Ribeirão Preto, SP, Brazil
| | - Francisco S Guimarães
- Departamento de Neurociências e Ciências do Comportamento, Faculdade de Medicina de Ribeirão Preto (FMRP), Universidade de São Paulo (USP), Ribeirão Preto, SP, Brazil.,Departamento de Farmacologia, FMRP, USP, Ribeirão Preto, SP, Brazil
| | - Regina H Queiroz
- Instituto Nacional de Ciência e Tecnologia, Medicina Translacional (INCT-TM), Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq), Ribeirão Preto, SP, Brazil.,Departamento de Análises Clínicas, Toxicológicas e Bromatológicas, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, USP, Ribeirão Preto, SP, Brazil
| | - Antonio W Zuardi
- Departamento de Neurociências e Ciências do Comportamento, Faculdade de Medicina de Ribeirão Preto (FMRP), Universidade de São Paulo (USP), Ribeirão Preto, SP, Brazil.,Instituto Nacional de Ciência e Tecnologia, Medicina Translacional (INCT-TM), Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq), Ribeirão Preto, SP, Brazil
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Morris EM, Kitts-Morgan SE, Spangler DM, Gebert J, Vanzant ES, McLeod KR, Harmon DL. Feeding Cannabidiol (CBD)-Containing Treats Did Not Affect Canine Daily Voluntary Activity. Front Vet Sci 2021; 8:645667. [PMID: 33996972 PMCID: PMC8118201 DOI: 10.3389/fvets.2021.645667] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Accepted: 03/05/2021] [Indexed: 12/24/2022] Open
Abstract
Growing public interest in the use of cannabidiol (CBD) for companion animals has amplified the need to elucidate potential impacts. The purpose of this investigation was to determine the influence of CBD on the daily activity of adult dogs. Twenty-four dogs (18.0 ± 3.4 kg, 9 months-4 years old) of various mixed breeds were utilized in a randomized complete block design with treatments targeted at 0 and 2.5 mg (LOW) and at 5.0 mg (HIGH) CBD/kg body weight (BW) per day split between two treats administered after twice-daily exercise (0700-0900 and 1,700-1,900 h). Four hours each day [1,000-1,200 h (a.m.) and 1,330-1,530 h (p.m.)] were designated as times when no people entered the kennels, with 2 h designated as Quiet time and the other 2 h as Music time, when calming music played over speakers. Quiet and Music sessions were randomly allotted to daily a.m. or p.m. times. Activity monitors were fitted to dogs' collars for continuous collection of activity data. Data were collected over a 14-day baseline period to establish the activity patterns and block dogs by activity level (high or low) before randomly assigning dogs within each block to treatments. After 7 days of treatment acclimation, activity data were collected for 14 days. Data were examined for differences using the MIXED procedure in SAS including effects of treatment, day, session (Quiet or Music), time of day (a.m. or p.m.), and accompanying interactions. CBD (LOW and HIGH) did not alter the total daily activity points (P = 0.985) or activity duration (P = 0.882). CBD tended (P = 0.071) to reduce total daily scratching compared with the control. Dogs were more active in p.m. sessions than in a.m. sessions (P < 0.001). During the p.m. session, dogs receiving HIGH tended (P = 0.091) to be less active than the control (CON). During the a.m. and p.m. sessions, CBD reduced scratching compared with CON (P = 0.030). CBD did not affect the activity duration during exercise periods (P = 0.143). These results indicate that, when supplemented with up to 4.5 mg CBD/kg BW/day, CBD does not impact the daily activity of adult dogs, but may exert an antipruritic effect.
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Affiliation(s)
- Elizabeth M. Morris
- Department of Animal and Food Sciences, University of Kentucky, Lexington, KY, United States
| | | | - Dawn M. Spangler
- College of Veterinary Medicine, Lincoln Memorial University, Harrogate, TN, United States
| | - Jessica Gebert
- College of Veterinary Medicine, Lincoln Memorial University, Harrogate, TN, United States
| | - Eric S. Vanzant
- Department of Animal and Food Sciences, University of Kentucky, Lexington, KY, United States
| | - Kyle R. McLeod
- Department of Animal and Food Sciences, University of Kentucky, Lexington, KY, United States
| | - David L. Harmon
- Department of Animal and Food Sciences, University of Kentucky, Lexington, KY, United States
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Deeba F, Kumar A, Mukherjee M, Sharma AK, Sharma M. Targeting the endocannabinoid system in diabesity: Fact or fiction? Drug Discov Today 2021; 26:1750-1758. [PMID: 33781949 DOI: 10.1016/j.drudis.2021.03.022] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 10/02/2020] [Accepted: 03/22/2021] [Indexed: 01/04/2023]
Abstract
'Diabesity' refers to a rising epidemic indicated by the intricate relationship between obesity and diabetes. The global prevalence of these coexisting, insidious diseases increases social and economic health burdens at a rapid pace. Numerous reports delineate the involvement of the underlying endocannabinoid (EC) signaling system through the cannabinoid-1 (CB1) receptor in the regulation of metabolism and adiposity. Conversely, EC inverse agonists can result in severe depression and suicidal thoughts through interactions with CB1/2 receptors in the brain. This review attempts to elucidate a possible mechanism for the amelioration of diabesity. Moreover, we also highlight the available targets of the CB1 receptor, which could pave the way for safe and effective therapy.
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Affiliation(s)
- Farah Deeba
- Department of Pharmacology, School of Pharmaceutical Education and Research, Jamia Hamdard, Delhi 110062, India
| | - Ashish Kumar
- Department of Pharmacology, Amity Institute of Pharmacy, Amity University, Haryana 122413, India
| | - Monalisa Mukherjee
- Amity Institute of Click Chemistry Research and Studies, Amity University Uttar Pradesh, Sector-125 NOIDA- 201303, Gautam Buddha Nagar, U.P, India
| | - Arun K Sharma
- Department of Pharmacology, Amity Institute of Pharmacy, Amity University, Haryana 122413, India.
| | - Manju Sharma
- Department of Pharmacology, School of Pharmaceutical Education and Research, Jamia Hamdard, Delhi 110062, India.
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Moltke J, Hindocha C. Reasons for cannabidiol use: a cross-sectional study of CBD users, focusing on self-perceived stress, anxiety, and sleep problems. J Cannabis Res 2021; 3:5. [PMID: 33602344 PMCID: PMC7893882 DOI: 10.1186/s42238-021-00061-5] [Citation(s) in RCA: 59] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Accepted: 02/08/2021] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Public and medical interest in cannabidiol (CBD) has been rising, and CBD is now available from various sources. Research into the effects of low-dose CBD on outcomes like stress, anxiety, and sleep problems have been scarce, so we conducted an online survey of CBD users to better understand patterns of use, dose, and self-perceived effects of CBD. METHODS The sample consisted of 387 current or past-CBD users who answered a 20-question online survey. The survey was sent out to CBD users through email databases and social media. Participants reported basic demographics, CBD use patterns, reasons for use, and effects on anxiety, sleep, and stress. RESULTS The sample (N = 387) consisted of 61.2% females, mostly between 25 and 54 years old (72.2%) and primarily based in the UK (77.4%). The top 4 reasons for using CBD were self-perceived anxiety (42.6%), sleep problems (42.5%), stress (37%), and general health and wellbeing (37%). Fifty-four per cent reported using less than 50 mg CBD daily, and 72.6% used CBD sublingually. Adjusted logistic models show females had lower odds than males of using CBD for general health and wellbeing [OR 0.45, 95% CI 0.30-0.72] and post-workout muscle-soreness [OR 0.46, 95%CI 0.24-0.91] but had higher odds of using CBD for self-perceived anxiety [OR 1.60, 95% CI 0.02-2.49] and insomnia [OR 1.87, 95% CI 1.13-3.11]. Older individuals had lower odds of using CBD for general health and wellbeing, stress, post-workout sore muscles, anxiety, skin conditions, focusing, and sleep but had higher odds of using CBD for pain. Respondents reported that CBD use was effective for stress, sleep problems, and anxiety in those who used the drug for those conditions. CONCLUSION This survey indicated that CBD users take the drug to manage self-perceived anxiety, stress, sleep, and other symptoms, often in low doses, and these patterns vary by demographic characteristics. Further research is required to understand how low doses, representative of the general user, might impact mental health symptoms like stress, anxiety, and sleep problems.
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Affiliation(s)
- Julie Moltke
- Clinic Horsted, Chronic Pain Clinic, Farvegade 2, 1463, Copenhagen, Denmark.
| | - Chandni Hindocha
- Clinical Psychopharmacology Unit, Department of Clinical, Educational & Health Psychology, University College London, London, UK
- Translational Psychiatry Research Group, Research Department of Mental Health Neuroscience, Division of Psychiatry, Faculty of Brain Sciences, University College London, London, UK
- University College Hospital National Institute of Health Research (NIHR) Biomedical Research Centre, London, UK
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Stewart C, Fong Y. Perioperative Cannabis as a Potential Solution for Reducing Opioid and Benzodiazepine Dependence. JAMA Surg 2021; 156:181-190. [DOI: 10.1001/jamasurg.2020.5545] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Camille Stewart
- Department of Surgery, University of Colorado School of Medicine, Aurora
| | - Yuman Fong
- Department of Surgery, City of Hope National Medical Center, Duarte, California
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Ek J, Jacobs W, Kaylor B, McCall WV. Addiction and Sleep Disorders. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1297:163-171. [PMID: 33537944 DOI: 10.1007/978-3-030-61663-2_12] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Shared neurophysiology of addiction and sleep disorders results in a bidirectional interplay. Diagnosing and treating primary sleep disorders, particularly in adolescents, can prevent the development of addiction in susceptible individuals. Addressing sleep issues in early recovery, and throughout maintenance, can prevent relapse. Cannabis use for insomnia shows mixed results; assisting with onset sleep latency in early use, this subsides with chronic use and holds addiction risk. Insomnia is a primary complaint of cannabis withdrawal syndrome and a primary cause of relapse in cannabis use disorder. An ideal sleep aid would prevent relapse and have low abuse potential. Pharmaceutical and behavioral options include suvorexant, mirtazapine, trazodone, and aerobic exercise, but clinical trials are lacking to demonstrate efficacy.
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Affiliation(s)
- Jonathan Ek
- Division of Addiction Medicine, Augusta University-Medical College of Georgia, Augusta, GA, USA.
| | - William Jacobs
- Division of Addiction Medicine, Augusta University-Medical College of Georgia, Augusta, GA, USA
| | - Brett Kaylor
- Division of Addiction Medicine, Augusta University-Medical College of Georgia, Augusta, GA, USA
| | - W Vaughn McCall
- Division of Addiction Medicine, Augusta University-Medical College of Georgia, Augusta, GA, USA
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Winiger EA, Hitchcock LN, Bryan AD, Cinnamon Bidwell L. Cannabis use and sleep: Expectations, outcomes, and the role of age. Addict Behav 2021; 112:106642. [PMID: 32949837 PMCID: PMC7572650 DOI: 10.1016/j.addbeh.2020.106642] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Revised: 08/27/2020] [Accepted: 08/31/2020] [Indexed: 02/06/2023]
Abstract
STUDY OBJECTIVES Determine relationship between cannabis use with 1) expectations of cannabis being a sleep aid, 2) subjective sleep outcomes, and 3) the influence of age on these relationships. METHODS In 152 moderate cannabis users with a wide age range (67% female, mean age = 31.45, SD = 12.96, age range = 21-70; mean days of cannabis use in prior two weeks = 5.54, SD = 5.25) we examined the influence of cannabis use history and behaviors on expectations of cannabis being a sleep aid and sleep outcomes via the Pittsburgh Sleep Quality Index (PSQI). Moderation analysis examined the role of age in the relationship between cannabis use and sleep outcomes. RESULTS Endorsing current cannabis use and more days of cannabis use were associated with increased expectations that cannabis use improves sleep (all β > 0.03, p < 0.04). Frequency of recent use and reported average THC or CBD concentration were largely not associated with sleep outcomes. However, endorsing current cannabis use was associated with worse subjective sleep quality (β = 1.34, p = 0.02) and increased frequency of consuming edibles was associated with worse subjective sleep efficiency (β = 0.03, p = 0.04), lower sleep duration (β = 0.03, p = 0.01), and higher global PSQI scores (worse overall sleep) (β = 0.10, p = 0.01). Additionally, age had a moderating influence on the relationship between increased self-reported concentration of CBD and both better sleep duration and sleep quality (both p < 0.03). While the main effects of cannabis use on sleep outcomes did not survive multiple comparisons correction test (all p adj > 0.34), the adjusted p values for the main effects of cannabis behaviors/history on expectations of cannabis as a sleep aid (p adj = 0.07-0.09) and the main effects of CBD concentration on sleep duration (p adj = 0.08), as well as the interaction terms of CBD and age for that model (p adj = 0.07), were trending. CONCLUSION Cannabis users have increased expectations of cannabis being a sleep aid, but few associations existed between cannabis use and sleep outcomes. The two exceptions were endorsing any cannabis use and frequency of edible use. Additionally, age may be an important moderator of the potential positive influence CBD concentration can have on sleep.
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Affiliation(s)
- Evan A Winiger
- Institute for Behavioral Genetics, University of Colorado, Boulder. East Campus, 1480 30(th) Street, Boulder, CO 80309, United States; Department of Psychology and Neuroscience, University of Colorado, Boulder, Muenzinger Psychology Building, 1905 Colorado Ave, Boulder, CO 80309, United States.
| | - Leah N Hitchcock
- Institute of Cognitive Science, University of Colorado, Boulder.Center for Innovation and Creativity, 1777 E Exposition Drive, Boulder, CO 80301, United States
| | - Angela D Bryan
- Department of Psychology and Neuroscience, University of Colorado, Boulder, Muenzinger Psychology Building, 1905 Colorado Ave, Boulder, CO 80309, United States; Institute of Cognitive Science, University of Colorado, Boulder.Center for Innovation and Creativity, 1777 E Exposition Drive, Boulder, CO 80301, United States
| | - L Cinnamon Bidwell
- Department of Psychology and Neuroscience, University of Colorado, Boulder, Muenzinger Psychology Building, 1905 Colorado Ave, Boulder, CO 80309, United States; Institute of Cognitive Science, University of Colorado, Boulder.Center for Innovation and Creativity, 1777 E Exposition Drive, Boulder, CO 80301, United States
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Morales P, Jagerovic N. Synthetic and Natural Derivatives of Cannabidiol. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1297:11-25. [PMID: 33537934 DOI: 10.1007/978-3-030-61663-2_2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
The non-psychoactive component of Cannabis Sativa, cannabidiol (CBD), has centered the attention of a large body of research in the last years. Recent clinical trials have led to the FDA approval of CBD for the treatment of children with drug-resistant epilepsy. Even though it is not yet in clinical phases, its use in sleep-wake pathological alterations has been widely demonstrated.Despite the outstanding current knowledge on CBD therapeutic effects in numerous in vitro and in vivo disease models, diverse questions still arise from its molecular pharmacology. CBD has been shown to modulate a wide variety of targets including the cannabinoid receptors, orphan GPCRs such as GPR55 and GPR18, serotonin, adenosine, and opioid receptors as well as ligand-gated ion channels among others. Its pharmacology is rather puzzling and needs to be further explored in the disease context.Also, the metabolism and interactions of this phytocannabinoid with other commercialized drugs need to be further considered to elucidate its clinical potential for the treatment of specific pathologies.Besides CBD, natural and synthetic derivatives of this chemotype have also been reported exhibiting diverse functional profiles and providing a deeper understanding of the potential of this scaffold.In this chapter, we analyze the knowledge gained so far on CBD and its analogs specially focusing on its molecular targets and metabolic implications. Phytogenic and synthetic CBD derivatives may provide novel approaches to improve the therapeutic prospects offered by this promising chemotype.
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Metternich B, Wagner K, Geiger MJ, Hirsch M, Schulze-Bonhage A, Klotz KA. Cognitive and behavioral effects of cannabidiol in patients with treatment-resistant epilepsy. Epilepsy Behav 2021; 114:107558. [PMID: 33246899 DOI: 10.1016/j.yebeh.2020.107558] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Revised: 09/16/2020] [Accepted: 10/09/2020] [Indexed: 01/12/2023]
Abstract
PURPOSE Therapeutic use of cannabidiol (CBD) in intractable epilepsies has increased considerably over the last ten years. As more evidence for the potentially beneficial effects of CBD on different epilepsy types is emerging, it is important to monitor potential cognitive and behavioral side effects. So far, studies including standardized neuropsychological data in the context of treatment with CBD in epilepsy patients are sparse. The present open-label study examines cognitive and behavioral effects of CBD in children and adults with treatment resistant epilepsy. METHOD Thirty-nine patients with treatment-resistant epilepsy completed the study protocol, i.e. they were tested at baseline (T0) and after three months of CBD treatment (T1). Patients completed standardized neuropsychological tests on memory, executive functions and attention if they were capable. For cognitively impaired patients who could not complete cognitive tests, caregiver interviews were conducted and caregiver questionnaires completed. RESULTS Significant cognitive decline from T0 to T1 was observed on none of the included measures. There was a significant improvement on a measure of selective attention and on a caregiver-rated behavioral measure. More than 89% of all individual test results remained stable or showed reliable improvement from T0 to T1. Cognitive and behavioral changes from T0 to T1 were not significantly correlated with CBD dose. Improvements in short-term/working memory were significantly related to better therapy response. CONCLUSION No adverse group-level effects of CBD treatment were detected. On an individual level, most test results remained stable or were improved. Cognitive change was not related to CBD dose. The present results show that, from a cognitive and behavioral point of view, CBD seems to have an encouraging side-effect profile. The results need to be replicated with larger samples.
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Affiliation(s)
- Birgitta Metternich
- Epilepsy Center, Medical Center-University of Freiburg, Faculty of Medicine University of Freiburg Germany, Breisacher Straße 64, 79106 Freiburg, Germany.
| | - Kathrin Wagner
- Epilepsy Center, Medical Center-University of Freiburg, Faculty of Medicine University of Freiburg Germany, Breisacher Straße 64, 79106 Freiburg, Germany
| | - Maximilian J Geiger
- Epilepsy Center, Medical Center-University of Freiburg, Faculty of Medicine University of Freiburg Germany, Breisacher Straße 64, 79106 Freiburg, Germany
| | - Martin Hirsch
- Epilepsy Center, Medical Center-University of Freiburg, Faculty of Medicine University of Freiburg Germany, Breisacher Straße 64, 79106 Freiburg, Germany
| | - Andreas Schulze-Bonhage
- Epilepsy Center, Medical Center-University of Freiburg, Faculty of Medicine University of Freiburg Germany, Breisacher Straße 64, 79106 Freiburg, Germany
| | - Kerstin A Klotz
- Epilepsy Center, Medical Center-University of Freiburg, Faculty of Medicine University of Freiburg Germany, Breisacher Straße 64, 79106 Freiburg, Germany; Department of Neuropediatrics and Muscle Disorders, Medical Center-University of Freiburg, Faculty of Medicine University of Freiburg, Mathildenstraße 1, 79106 Freiburg, Germany; Berta-Ottenstein-Programme, Faculty of Medicine, University of Freiburg, Germany
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Kwasnik A, Abreu A, Chediak A. Cannabinoids and Sleep: Helpful or Harmful? CURRENT PULMONOLOGY REPORTS 2020. [DOI: 10.1007/s13665-020-00254-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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50
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McCartney D, Benson MJ, Desbrow B, Irwin C, Suraev A, McGregor IS. Cannabidiol and Sports Performance: a Narrative Review of Relevant Evidence and Recommendations for Future Research. SPORTS MEDICINE - OPEN 2020; 6:27. [PMID: 32632671 PMCID: PMC7338332 DOI: 10.1186/s40798-020-00251-0] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Accepted: 05/17/2020] [Indexed: 12/17/2022]
Abstract
Cannabidiol (CBD) is a non-intoxicating cannabinoid derived from Cannabis sativa. CBD initially drew scientific interest due to its anticonvulsant properties but increasing evidence of other therapeutic effects has attracted the attention of additional clinical and non-clinical populations, including athletes. Unlike the intoxicating cannabinoid, Δ9-tetrahydrocannabinol (Δ9-THC), CBD is no longer prohibited by the World Anti-Doping Agency and appears to be safe and well-tolerated in humans. It has also become readily available in many countries with the introduction of over-the-counter "nutraceutical" products. The aim of this narrative review was to explore various physiological and psychological effects of CBD that may be relevant to the sport and/or exercise context and to identify key areas for future research. As direct studies of CBD and sports performance are is currently lacking, evidence for this narrative review was sourced from preclinical studies and a limited number of clinical trials in non-athlete populations. Preclinical studies have observed robust anti-inflammatory, neuroprotective and analgesic effects of CBD in animal models. Preliminary preclinical evidence also suggests that CBD may protect against gastrointestinal damage associated with inflammation and promote healing of traumatic skeletal injuries. However, further research is required to confirm these observations. Early stage clinical studies suggest that CBD may be anxiolytic in "stress-inducing" situations and in individuals with anxiety disorders. While some case reports indicate that CBD improves sleep, robust evidence is currently lacking. Cognitive function and thermoregulation appear to be unaffected by CBD while effects on food intake, metabolic function, cardiovascular function, and infection require further study. CBD may exert a number of physiological, biochemical, and psychological effects with the potential to benefit athletes. However, well controlled, studies in athlete populations are required before definitive conclusions can be reached regarding the utility of CBD in supporting athletic performance.
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Affiliation(s)
- Danielle McCartney
- The University of Sydney, Faculty of Science, School of Psychology, Sydney, New South Wales, 2050, Australia.
- The University of Sydney, Lambert Initiative for Cannabinoid Therapeutics, Sydney, New South Wales, Australia.
- The University of Sydney, Brain and Mind Centre, Sydney, New South Wales, Australia.
| | - Melissa J Benson
- The University of Sydney, Faculty of Science, School of Psychology, Sydney, New South Wales, 2050, Australia
- The University of Sydney, Lambert Initiative for Cannabinoid Therapeutics, Sydney, New South Wales, Australia
- The University of Sydney, Brain and Mind Centre, Sydney, New South Wales, Australia
| | - Ben Desbrow
- School of Allied Health Sciences, Griffith University, Gold Coast, Queensland, Australia
| | - Christopher Irwin
- School of Allied Health Sciences, Griffith University, Gold Coast, Queensland, Australia
- Menzies Health Institute Queensland, Gold Coast, Queensland, Australia
| | - Anastasia Suraev
- The University of Sydney, Faculty of Science, School of Psychology, Sydney, New South Wales, 2050, Australia
- The University of Sydney, Lambert Initiative for Cannabinoid Therapeutics, Sydney, New South Wales, Australia
- The University of Sydney, Brain and Mind Centre, Sydney, New South Wales, Australia
| | - Iain S McGregor
- The University of Sydney, Faculty of Science, School of Psychology, Sydney, New South Wales, 2050, Australia
- The University of Sydney, Lambert Initiative for Cannabinoid Therapeutics, Sydney, New South Wales, Australia
- The University of Sydney, Brain and Mind Centre, Sydney, New South Wales, Australia
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