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Tseng PT, Zeng BY, Wang HY, Zeng BS, Liang CS, Chen YCB, Stubbs B, Carvalho AF, Brunoni AR, Su KP, Tu YK, Wu YC, Chen TY, Li DJ, Lin PY, Chen YW, Hsu CW, Hung KC, Shiue YL, Li CT. Efficacy and acceptability of noninvasive brain stimulation for treating posttraumatic stress disorder symptoms: A network meta-analysis of randomized controlled trials. Acta Psychiatr Scand 2024; 150:5-21. [PMID: 38616056 DOI: 10.1111/acps.13688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Accepted: 04/02/2024] [Indexed: 04/16/2024]
Abstract
INTRODUCTION Despite its high lifetime prevalence rate and the elevated disability caused by posttraumatic stress disorder (PTSD), treatments exhibit modest efficacy. In consideration of the abnormal connectivity between the dorsolateral prefrontal cortex (DLPFC) and amygdala in PTSD, several randomized controlled trials (RCTs) addressing the efficacy of different noninvasive brain stimulation (NIBS) modalities for PTSD management have been undertaken. However, previous RCTs have reported inconsistent results. The current network meta-analysis (NMA) aimed to compare the efficacy and acceptability of various NIBS protocols in PTSD management. METHODS We systematically searched ClinicalKey, Cochrane Central Register of Controlled Trials, Embase, ProQuest, PubMed, ScienceDirect, Web of Science, and ClinicalTrials.gov to identify relevant RCTs. The targeted RCTs was those comparing the efficacy of NIBS interventions, such as transcranial direct current stimulation (tDCS), repetitive transcranial magnetic stimulation (rTMS), and transcutaneous cervical vagal nerve stimulation, in patients with PTSD. The NMA was conducted using a frequentist model. The primary outcomes were changes in the overall severity of PTSD and acceptability (to be specific, rates of dropouts for any reason). RESULTS We identified 14 RCTs that enrolled 686 participants. The NMA demonstrated that among the investigated NIBS types, high-frequency rTMS over bilateral DLPFCs was associated with the greatest reduction in overall PTSD severity. Further, in comparison with the sham controls, excitatory stimulation over the right DLPFC with/without excitatory stimulation over left DLPFC were associated with significant reductions in PTSD-related symptoms, including depression and anxiety symptoms, and overall PTSD severity. CONCLUSIONS This NMA demonstrated that excitatory stimulation over the right DLPFC with or without excitatory stimulation over left DLPFC were associated with significant reductions in PTSD-related symptoms. TRIAL REGISTRATION PROSPERO CRD42023391562.
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Affiliation(s)
- Ping-Tao Tseng
- Institute of Precision Medicine, National Sun Yat-sen University, Kaohsiung City, Taiwan
- Prospect Clinic for Otorhinolaryngology & Neurology, Kaohsiung, Taiwan
- Institute of Biomedical Sciences, National Sun Yat-sen University, Kaohsiung, Taiwan
- Department of Psychology, College of Medical and Health Science, Asia University, Taichung, Taiwan
- Department of Psychiatry, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Bing-Yan Zeng
- Institute of Biomedical Sciences, National Sun Yat-sen University, Kaohsiung, Taiwan
- Department of Internal Medicine, E-Da Dachang Hospital, I-Shou University, Kaohsiung, Taiwan
| | - Hung-Yu Wang
- Kaohsiung Municipal Kai-Syuan Psychiatric Hospital, Kaohsiung City, Taiwan
| | - Bing-Syuan Zeng
- Department of Internal Medicine, E-Da Cancer Hospital, Kaohsiung, I-Shou University, Kaohsiung, Taiwan
| | - Chih-Sung Liang
- Department of Psychiatry, Beitou Branch, Tri-Service General Hospital; School of Medicine, National Defense Medical Center, Taipei, Taiwan
- Graduate Institute of Medical Sciences, National Defense Medical Center, Taipei, Taiwan
| | - Yang-Chieh Brian Chen
- Department of Psychiatry, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Brendon Stubbs
- Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience, London, UK
- Physiotherapy Department, South London and Maudsley NHS Foundation Trust, London, UK
| | - Andre F Carvalho
- Innovation in Mental and Physical Health and Clinical Treatment (IMPACT) Strategic Research Centre, School of Medicine, Barwon Health, Deakin University, Geelong, Victoria, Australia
| | - Andre R Brunoni
- Service of Interdisciplinary Neuromodulation, National Institute of Biomarkers in Psychiatry, Laboratory of Neurosciences (LIM-27), Departamento e Instituto de Psiquiatria, Faculdade de Medicina da University of Sao Paulo, Sao Paulo, Brazil
- Departamento de Ciências Médicas, Faculdade de Medicina da University of Sao Paulo, Sao Paulo, Brazil
| | - Kuan-Pin Su
- Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience, London, UK
- Department of Psychiatry & Mind-Body Interface Laboratory (MBI-Lab), China Medical University Hospital, Taichung, Taiwan
- College of Medicine, China Medical University, Taichung, Taiwan
- An-Nan Hospital, China Medical University, Tainan, Taiwan
| | - Yu-Kang Tu
- Institute of Health Data Analytics & Statistics, College of Public Health, National Taiwan University, Taipei, Taiwan
- Department of Dentistry, National Taiwan University Hospital, Taipei, Taiwan
| | - Yi-Cheng Wu
- Department of Sports Medicine, Landseed International Hospital, Taoyuan, Taiwan
| | - Tien-Yu Chen
- Department of Psychiatry, Tri-Service General Hospital; School of Medicine, National Defense Medical Center, Taipei, Taiwan
- Institute of Brain Science, National Yang Ming Chiao Tung University, Taiwan
| | - Dian-Jeng Li
- Department of Addiction Science, Kaohsiung Municipal Kai-Syuan Psychiatric Hospital, Kaohsiung City, Taiwan
| | - Pao-Yen Lin
- Department of Psychiatry, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan
- Institute for Translational Research in Biomedical Sciences, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Yen-Wen Chen
- Prospect Clinic for Otorhinolaryngology & Neurology, Kaohsiung, Taiwan
| | - Chih-Wei Hsu
- Department of Psychiatry, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan
| | - Kuo-Chuan Hung
- Department of Anesthesiology, Chi Mei Medical Center, Tainan, Taiwan
| | - Yow-Ling Shiue
- Institute of Precision Medicine, National Sun Yat-sen University, Kaohsiung City, Taiwan
- Institute of Biomedical Sciences, National Sun Yat-sen University, Kaohsiung, Taiwan
| | - Cheng-Ta Li
- Department of Psychiatry, Taipei Veterans General Hospital, Taipei, Taiwan
- Division of Psychiatry, School of Medicine, National Yang Ming Chiao Tung University, Taiwan
- Institute of Brain Science and Brain Research Center, School of Medicine, National Yang Ming Chiao Tung University, Taiwan
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Teferi M, Gura H, Patel M, Casalvera A, Lynch KG, Makhoul W, Deng ZD, Oathes DJ, Sheline YI, Balderston NL. Intermittent theta-burst stimulation to the right dorsolateral prefrontal cortex may increase potentiated startle in healthy individuals. Neuropsychopharmacology 2024:10.1038/s41386-024-01871-w. [PMID: 38740902 DOI: 10.1038/s41386-024-01871-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Revised: 04/16/2024] [Accepted: 04/16/2024] [Indexed: 05/16/2024]
Abstract
Repetitive transcranial magnetic stimulation (rTMS) treatment protocols targeting the right dlPFC have been effective in reducing anxiety symptoms comorbid with depression. However, the mechanism behind these effects is unclear. Further, it is unclear whether these results generalize to non-depressed individuals. We conducted a series of studies aimed at understanding the link between anxiety potentiated startle and the right dlPFC, following a previous study suggesting that continuous theta burst stimulation (cTBS) to the right dlPFC can make people more anxious. Based on these results we hypothesized that intermittent TBS (iTBS), which is thought to have opposing effects on plasticity, may reduce anxiety when targeted at the same right dlPFC region. In this double-blinded, cross-over design, 28 healthy subjects underwent 12 study visits over a 4-week period. During each of their 2 stimulation weeks, they received four 600 pulse iTBS sessions (2/day), with a post-stimulation testing session occurring 24 h following the final iTBS session. One week they received active stimulation, one week they received sham. Stimulation weeks were separated by a 1-week washout period and the order of active/sham delivery was counterbalanced across subjects. During the testing session, we induced anxiety using the threat of unpredictable shock and measured anxiety potentiated startle. Contrary to our initial hypothesis, subjects showed increased startle reactivity following active compared to sham stimulation. These results replicate work from our two previous trials suggesting that TMS to the right dlPFC increases anxiety potentiated startle, independent of both the pattern of stimulation and the timing of the post stimulation measure. Although these results confirm a mechanistic link between right dlPFC excitability and startle, capitalizing upon this link for the benefit of patients will require future exploration.
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Affiliation(s)
- Marta Teferi
- Center for Neuromodulation in Depression and Stress Department of Psychiatry University of Pennsylvania, Philadelphia, PA, USA
| | - Hannah Gura
- Center for Neuromodulation in Depression and Stress Department of Psychiatry University of Pennsylvania, Philadelphia, PA, USA
- Neuroscience Graduate Group Perelman School of Medicine University of Pennsylvania, Philadelphia, PA, USA
| | - Milan Patel
- Center for Neuromodulation in Depression and Stress Department of Psychiatry University of Pennsylvania, Philadelphia, PA, USA
| | - Abigail Casalvera
- Center for Neuromodulation in Depression and Stress Department of Psychiatry University of Pennsylvania, Philadelphia, PA, USA
| | - Kevin G Lynch
- Department of Psychiatry University of Pennsylvania, Philadelphia, PA, USA
| | - Walid Makhoul
- Center for Neuromodulation in Depression and Stress Department of Psychiatry University of Pennsylvania, Philadelphia, PA, USA
| | - Zhi-De Deng
- Noninvasive Neuromodulation Unit Experimental Therapeutics and Pathophysiology Branch National Institute of Mental Health National Institutes of Health Bethesda, Bethesda, MD, USA
| | - Desmond J Oathes
- Center for Neuromodulation in Depression and Stress Department of Psychiatry University of Pennsylvania, Philadelphia, PA, USA
- Center for Brain Imaging and Stimulation Department of Psychiatry University of Pennsylvania, Philadelphia, PA, USA
- Penn Brain Science, Translation, Innovation, and Modulation Center University of Pennsylvania, Philadelphia, PA, USA
| | - Yvette I Sheline
- Center for Neuromodulation in Depression and Stress Department of Psychiatry University of Pennsylvania, Philadelphia, PA, USA
| | - Nicholas L Balderston
- Center for Neuromodulation in Depression and Stress Department of Psychiatry University of Pennsylvania, Philadelphia, PA, USA.
- Center for Brain Imaging and Stimulation Department of Psychiatry University of Pennsylvania, Philadelphia, PA, USA.
- Penn Brain Science, Translation, Innovation, and Modulation Center University of Pennsylvania, Philadelphia, PA, USA.
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Petrosino NJ, Cosmo C, Berlow YA, Zandvakili A, van ’t Wout-Frank M, Philip NS. Transcranial magnetic stimulation for post-traumatic stress disorder. Ther Adv Psychopharmacol 2021; 11:20451253211049921. [PMID: 34733479 PMCID: PMC8558793 DOI: 10.1177/20451253211049921] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Accepted: 09/09/2021] [Indexed: 01/14/2023] Open
Abstract
Post-traumatic stress disorder (PTSD) is a debilitating psychiatric disorder. While current treatment options are effective for some, many individuals fail to respond to first-line psychotherapies and pharmacotherapy. Transcranial magnetic stimulation (TMS) has emerged over the past several decades as a noninvasive neuromodulatory intervention for psychiatric disorders including depression, with mounting evidence for its safety, tolerability, and efficacy in treating PTSD. While several meta-analyses of TMS for PTSD have been published to date showing large effect sizes on PTSD overall, there is marked variability between studies, making it difficult to draw simple conclusions about how best to treat patients. The following review summarizes over 20 years of the existing literature on TMS as a PTSD treatment, and includes nine randomized controlled trials and many other prospective studies of TMS monotherapy, as well as five randomized controlled trials investigating TMS combined with psychotherapy. While the majority of studies utilize repetitive TMS targeted to the right dorsolateral prefrontal cortex (DLPFC) at low frequency (1 Hz) or high frequency (10 or 20 Hz), others have used alternative frequencies, targeted other regions (most commonly the left DLPFC), or trialed different stimulation protocols utilizing newer TMS modalities such as synchronized TMS and theta-burst TMS (TBS). Although it is encouraging that positive outcomes have been shown, there is a paucity of studies directly comparing available approaches. Biomarkers, such as functional imaging and electroencephalography, were seldomly incorporated yet remain crucial for advancing our knowledge of how to predict and monitor treatment response and for understanding mechanism of action of TMS in this population. Effects on PTSD are often sustained for up to 2-3 months, but more long-term studies are needed in order to understand and predict duration of response. In short, while TMS appears safe and effective for PTSD, important steps are needed to operationalize optimal approaches for patients suffering from this disorder.
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Affiliation(s)
- Nicholas J. Petrosino
- VA RR&D Center for Neurorestoration and Neurotechnology, VA Providence Healthcare System, Providence, RI, USA
- Department of Psychiatry and Human Behavior, Alpert Medical School of Brown University, Providence, RI, USA
| | - Camila Cosmo
- VA RR&D Center for Neurorestoration and Neurotechnology, VA Providence Healthcare System, Providence, RI, USA
- Department of Psychiatry and Human Behavior, Alpert Medical School of Brown University, Providence, RI, USA
| | - Yosef A. Berlow
- VA RR&D Center for Neurorestoration and Neurotechnology, VA Providence Healthcare System, Providence, RI, USA
- Department of Psychiatry and Human Behavior, Alpert Medical School of Brown University, Providence, RI, USA
| | - Amin Zandvakili
- VA RR&D Center for Neurorestoration and Neurotechnology, VA Providence Healthcare System, Providence, RI, USA
- Department of Psychiatry and Human Behavior, Alpert Medical School of Brown University, Providence, RI, USA
| | - Mascha van ’t Wout-Frank
- VA RR&D Center for Neurorestoration and Neurotechnology, VA Providence Healthcare System, Providence, RI, USA
- Department of Psychiatry and Human Behavior, Alpert Medical School of Brown University, Providence, RI, USA
| | - Noah S. Philip
- VA RR&D Center for Neurorestoration and Neurotechnology, VA Providence Healthcare System, 830 Chalkstone Avenue, Providence, RI 02908, USA
- Department of Psychiatry and Human Behavior, Alpert Medical School of Brown University, Providence, RI, USA
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