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Sahlem GL, Baker NL, George MS, Malcolm RJ, McRae-Clark AL. Repetitive transcranial magnetic stimulation (rTMS) administration to heavy cannabis users. THE AMERICAN JOURNAL OF DRUG AND ALCOHOL ABUSE 2017; 44:47-55. [PMID: 28806104 PMCID: PMC5962012 DOI: 10.1080/00952990.2017.1355920] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2017] [Revised: 07/05/2017] [Accepted: 07/06/2017] [Indexed: 12/21/2022]
Abstract
BACKGROUND Cannabis use disorder (CUD) is a common condition with few treatments. Several studies in other substance use disorders have found that applying repetitive transcranial magnetic stimulation (rTMS) to the dorsolateral prefrontal cortex (DLPFC) decreases cue-elicited craving and possibly decreases use. To date, there have been no studies attempting to use rTMS in CUD. OBJECTIVES This study was conducted to determine if rTMS could be feasibly delivered to a group of non-treatment seeking CUD participants. Secondarily, the study aimed to estimate the effect of rTMS on craving. METHODS In a double-blind, sham-controlled, crossover design, a single session of active or sham rTMS (Left DLPFC, 10 Hz, 110% rMT, 4000 pulses) was delivered during a validated cannabis cue paradigm. Participants crossed over to complete the other condition one week later. The feasibility and tolerability were measured by the rate of retention, and the percentage of participants able to tolerate full dose rTMS, respectively. Craving was measured using the Marijuana Craving Questionnaire (MCQ). RESULTS Eighteen non-treatment seeking CUD participants were recruited from the community; 16 (three women) completed the trial (89% retained for the three study visits). All of the treatment completers tolerated rTMS at full dose without adverse effects. There was not a significant reduction in the total MCQ when participants received active rTMS as compared to sham rTMS. CONCLUSION rTMS can be safely and feasibly delivered to CUD participants, and treatment is well tolerated. A single session of rTMS applied to the DLPFC may not reduce cue-elicited craving in heavy cannabis users.
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Affiliation(s)
- Gregory L. Sahlem
- Department of Psychiatry, Medical University of South Carolina, Charleston, SC, USA
| | - Nathaniel L. Baker
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC, USA
| | - Mark S. George
- Department of Psychiatry, Medical University of South Carolina, Charleston, SC, USA
- Department of Psychiatry, Ralph H. Johnson Veterans Administration Hospital, Charleston, SC, USA
| | - Robert J. Malcolm
- Department of Psychiatry, Medical University of South Carolina, Charleston, SC, USA
| | - Aimee L. McRae-Clark
- Department of Psychiatry, Medical University of South Carolina, Charleston, SC, USA
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Abstract
Understanding the brain circuitry that underlies reward is critical to improve treatment for many common health issues, including obesity, depression, and addiction. Here we focus on insights into the organization and function of reward circuitry and its synaptic and structural adaptations in response to cocaine exposure. While the importance of certain circuits, such as the mesocorticolimbic dopamine pathway, are well established in drug reward, recent studies using genetics-based tools have revealed functional changes throughout the reward circuitry that contribute to different facets of addiction, such as relapse and craving. The ability to observe and manipulate neuronal activity within specific cell types and circuits has led to new insight into not only the basic connections between brain regions, but also the molecular changes within these specific microcircuits, such as neurotrophic factor and GTPase signaling or α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA) receptor function, that underlie synaptic and structural plasticity evoked by drugs of abuse. Excitingly, these insights from preclinical rodent work are now being translated into the clinic, where transcranial magnetic simulation and deep brain stimulation therapies are being piloted in human cocaine dependence. Thus, this review seeks to summarize current understanding of the major brain regions implicated in drug-related behaviors and the molecular mechanisms that contribute to altered connectivity between these regions, with the postulation that increased knowledge of the plasticity within the drug reward circuit will lead to new and improved treatments for addiction.
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Affiliation(s)
- Sarah Cooper
- Neuroscience Program, Michigan State University, East Lansing, MI, USA
| | - A J Robison
- Neuroscience Program, Michigan State University, East Lansing, MI, USA
- Department of Physiology, Michigan State University, East Lansing, MI, USA
| | - Michelle S Mazei-Robison
- Neuroscience Program, Michigan State University, East Lansing, MI, USA.
- Department of Physiology, Michigan State University, East Lansing, MI, USA.
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Magavi LR, Reti IM, Vasa RA. A review of repetitive transcranial magnetic stimulation for adolescents with treatment-resistant depression. Int Rev Psychiatry 2017; 29:79-88. [PMID: 28306351 DOI: 10.1080/09540261.2017.1300574] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
This review examines the efficacy and safety of repetitive transcranial magnetic stimulation (rTMS) as a treatment for treatment-resistant depression in adolescents. A systematic review of six databases was conducted. Ten multi-subject trials, all uncontrolled, and five case reports met inclusion criteria. Twelve studies focused on treatment efficacy, whereas three studies focused exclusively on adverse events. All efficacy studies focused on adolescents only; 10 of these studies indicated that rTMS may demonstrate some benefit. Improvement within 2-8 weeks was reported in most studies, with a few studies indicating potential long-term benefits. A variety of adverse events occurred including scalp pain, which was the most common, as well as seizures. Controlled studies of rTMS are warranted to further examine whether this treatment is a potential option for adolescents with treatment-resistant depression.
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Affiliation(s)
| | | | - Roma A Vasa
- a Johns Hopkins Hospital , Baltimore , MD , USA
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Kobayashi B, Cook IA, Hunter AM, Minzenberg MJ, Krantz DE, Leuchter AF. Can neurophysiologic measures serve as biomarkers for the efficacy of repetitive transcranial magnetic stimulation treatment of major depressive disorder? Int Rev Psychiatry 2017; 29:98-114. [PMID: 28362541 DOI: 10.1080/09540261.2017.1297697] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Repetitive transcranial magnetic stimulation (rTMS) is an effective treatment for Major Depressive Disorder (MDD). There are clinical data that support the efficacy of many different approaches to rTMS treatment, and it remains unclear what combination of stimulation parameters is optimal to relieve depressive symptoms. Because of the costs and complexity of studies that would be necessary to explore and compare the large number of combinations of rTMS treatment parameters, it would be useful to establish reliable surrogate biomarkers of treatment efficacy that could be used to compare different approaches to treatment. This study reviews the evidence that neurophysiologic measures of cortical excitability could be used as biomarkers for screening different rTMS treatment paradigms. It examines evidence that: (1) changes in excitability are related to the mechanism of action of rTMS; (2) rTMS has consistent effects on measures of excitability that could constitute reliable biomarkers; and (3) changes in excitability are related to the outcomes of rTMS treatment of MDD. An increasing body of evidence indicates that these neurophysiologic measures have the potential to serve as reliable biomarkers for screening different approaches to rTMS treatment of MDD.
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Affiliation(s)
- Brian Kobayashi
- a David Geffen School of Medicine , University of California Los Angeles , Los Angeles , CA , USA.,b Department of Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine , University of California Los Angeles , Los Angeles , CA , USA.,c Neuromodulation Division , Semel Institute for Neuroscience and Human Behavior, University of California Los Angeles , Los Angeles , CA , USA
| | - Ian A Cook
- a David Geffen School of Medicine , University of California Los Angeles , Los Angeles , CA , USA.,b Department of Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine , University of California Los Angeles , Los Angeles , CA , USA.,c Neuromodulation Division , Semel Institute for Neuroscience and Human Behavior, University of California Los Angeles , Los Angeles , CA , USA.,d Department of Bioengineering , University of California Los Angeles , Los Angeles , CA , USA
| | - Aimee M Hunter
- a David Geffen School of Medicine , University of California Los Angeles , Los Angeles , CA , USA.,b Department of Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine , University of California Los Angeles , Los Angeles , CA , USA.,c Neuromodulation Division , Semel Institute for Neuroscience and Human Behavior, University of California Los Angeles , Los Angeles , CA , USA
| | - Michael J Minzenberg
- a David Geffen School of Medicine , University of California Los Angeles , Los Angeles , CA , USA.,b Department of Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine , University of California Los Angeles , Los Angeles , CA , USA.,c Neuromodulation Division , Semel Institute for Neuroscience and Human Behavior, University of California Los Angeles , Los Angeles , CA , USA
| | - David E Krantz
- a David Geffen School of Medicine , University of California Los Angeles , Los Angeles , CA , USA.,b Department of Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine , University of California Los Angeles , Los Angeles , CA , USA.,c Neuromodulation Division , Semel Institute for Neuroscience and Human Behavior, University of California Los Angeles , Los Angeles , CA , USA
| | - Andrew F Leuchter
- a David Geffen School of Medicine , University of California Los Angeles , Los Angeles , CA , USA.,b Department of Psychiatry and Biobehavioral Sciences, David Geffen School of Medicine , University of California Los Angeles , Los Angeles , CA , USA.,c Neuromodulation Division , Semel Institute for Neuroscience and Human Behavior, University of California Los Angeles , Los Angeles , CA , USA
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Felipe RDM, Ferrão YA. Transcranial magnetic stimulation for treatment of major depression during pregnancy: a review. TRENDS IN PSYCHIATRY AND PSYCHOTHERAPY 2017; 38:190-197. [PMID: 28076639 DOI: 10.1590/2237-6089-2015-0076] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2015] [Accepted: 03/16/2016] [Indexed: 02/26/2023]
Abstract
Introduction: Pregnancy is characterized by a high prevalence of mental disorders. Depression is the most common of these disorders and it is a risk factor for negative maternal and child development outcomes. Psychotherapy and pharmacotherapy are conventional and well-established therapeutic options, but some clients fail to respond and the safety of using some pharmacological agents during pregnancy is unclear. Some neuromodulation techniques, such as repetitive transcranial magnetic stimulation (rTMS), have been studied in depressed pregnant women. Objective: To evaluate the safety and efficacy of rTMS for major depression in pregnant women. Methods: The LILACS and PubMed databases were reviewed using the search terms depression, pregnancy and magnetic stimulation. Texts including primary data, published in Portuguese, Spanish, or English, between 1995 and 2014, that evaluated depressed pregnant women and used rTMS as the intervention were selected. Papers lacking sufficient data were excluded. Twenty-two texts were initially identified; after applying the inclusion criteria, 12 were selected and analyzed. Results: The studies reviewed reported satisfactory responses to rTMS in acute depressive episodes, as measured using depressive symptom scales. Remission of symptoms was achieved in many cases. The procedure was well tolerated and there were no reports of damage/complications to unborn children. Conclusion: The data available at this time support the efficacy and tolerability of rTMS for depression in pregnant women. Controlled studies should corroborate this conclusion. This review only included studies in three languages and the resulting sample size was not large enough to conduct a meta-analysis.
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Affiliation(s)
- Renata de Melo Felipe
- Programa de Residência Médica em Psiquiatria, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, RS, Brazil
| | - Ygor Arzeno Ferrão
- Departamento de Medicina Interna - Psiquiatria, UFCSPA, Porto Alegre, RS, Brazil
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Teng S, Guo Z, Peng H, Xing G, Chen H, He B, McClure M, Mu Q. High-frequency repetitive transcranial magnetic stimulation over the left DLPFC for major depression: Session-dependent efficacy: A meta-analysis. Eur Psychiatry 2017; 41:75-84. [DOI: 10.1016/j.eurpsy.2016.11.002] [Citation(s) in RCA: 64] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/13/2016] [Revised: 11/02/2016] [Accepted: 11/02/2016] [Indexed: 01/18/2023] Open
Abstract
AbstractBackgroundDepression is a major debilitating psychiatric disorder. Current antidepressant drugs are often associated with side effects or treatment resistance. The aim of this meta-analysis was to evaluate therapeutic effects of high-frequency repetitive transcranial magnetic stimulation (HF-rTMS) in major depression (MD).MethodsThe medical data bases of PubMed, Medline, Embase and Cochrane Central Register were searched for randomized controlled trials (RCTs) reporting the therapeutic effects of high-frequency rTMS for depression, which were published in English between January 1990 and June 2016. The index terms were “depress*”, “depression” and “transcranial magnetic stimulation”. Depression outcome data of different sessions (5, 10, 15, and 20 sessions of rTMS treatment) were extracted and synthesized by calculating standardized mean difference (SMD) with 95% confidence intervals (CI) by using a random-effect model. Within each session group, the subgroup analyses based on the number of pulses (≤ 1000, 1200–1500, 1600–1800, and 2000–3000) were also conducted.ResultsThirty RCTs with a total of 1754 subjects including 1136 in the rTMS group and 618 in the sham group were included in this meta-analysis. rTMS had a significant overall therapeutic effect on depression severity scores (SMD = −0.73, P < 0.00001). The five, 10, 15, 20 sessions of rTMS treatments yielded the significant mean effect sizes of −0.43, −0.60, −1.13, and −2.74, respectively. In the four groups (5, 10, 15, 20 sessions), the maximal mean effect size was all obtained in the subgroup of 1200–1500 pulses per day (−0.97, −1.14, −1.91, −5.47; P < 0.05).ConclusionsThe increasing of HF-rTMS sessions is associated with the increased efficacy of HF-rTMS in reducing depressed patients’ symptom severity. A total number of pulses of 1200–1500 per day appear to deliver the best antidepressant effects of HF-rTMS.
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Henderson TA, Morries LD. Multi-Watt Near-Infrared Phototherapy for the Treatment of Comorbid Depression: An Open-Label Single-Arm Study. Front Psychiatry 2017; 8:187. [PMID: 29033859 PMCID: PMC5627142 DOI: 10.3389/fpsyt.2017.00187] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Accepted: 09/13/2017] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND The treatment of depression has been hampered by low efficacy of antidepressant medications and safety concerns with alternative modalities. Recent work demonstrated that multi-Watt transcranial near-infrared light therapy (NILT) can effectively treat traumatic brain injury (TBI). The current objective is to explore multi-Watt NILT efficacy in a proof-of-concept study as a treatment for depression. METHODS Thirty-nine sequential patients treated for TBI between March 2013 and May 2017 provided depression self-assessment data and/or were administered the Hamilton depression rating scale. Each completed the Quick Inventory of Depression Symptomatology-Self Report (QIDS) before and after treatment. Patients received multi-Watt NILT using near-infrared lasers (810/980 nm at 8-15 W) applied to forehead and temporal regions bilaterally for 9-12 min to each area. Pre- and posttreatment scores were analyzed by paired t-tests. RESULTS All met QIDS criteria for mild to severe depression and 69% had prior antidepressant trials. For 36 of the 39 patients, after 16.82 ± 6.26 treatments, QIDS scores indicated a robust response (decrease of QIDS total score by ≥50%). For 32 of 39 patients, posttreatment QIDS scores indicated a remission from depression (decrease of QIDS total score ≤5). Overall, the QIDS score fell from 14.10 ± 3.39 to 3.41 ± 3.30 SD (p = 6.29 × 10-19). With 12 or fewer treatments, QIDS score dropped from 14.83 ± 2.55 to 4.17 ± 3.93. Patients receiving ≥13 treatments showed a change in QIDS score from 13.67 ± 3.64 to 3.11 ± 3.14. Those (N = 15) who received the entire treatment course within ≤8 weeks (5.33 ± 1.72 weeks) showed a change in QIDS score from 13.86 ± 3.14 to 4.5 ± 3.94. Suicidal ideation resolved in all, but two patients. Patients remained in remission for up to 55 months after a single course of treatment. CONCLUSION This is the first report of high-powered NILT showing efficacy for depression. Multi-Watt NILT showed far greater efficacy and persistent benefit compared to low-power (<1 Watt) infrared light treatments. Patients saw benefit often within four treatments and resolution of depressive symptoms occurred within 4 weeks for some. These data raise an intriguing possibility-that multi-Watt NILT may be a safe, effective, and rapid treatment for depression comorbid with TBI and possibly primary major depression disorder. A double-blind, placebo controlled trial is warranted to verify these proof-of-concept data.
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Affiliation(s)
- Theodore A Henderson
- Neuro-Laser Foundation, Centennial, CO, United States.,The Synaptic Space Inc., Centennial, CO, United States.,Neuro-Luminance Inc., Centennial, CO, United States.,Dr. Theodore Henderson, Inc., Centennial, CO, United States
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Becker JE, Maley C, Shultz E, Taylor WD. Update on Transcranial Magnetic Stimulation for Depression and Other Neuropsychiatric Illnesses. Psychiatr Ann 2016. [DOI: 10.3928/00485713-20160930-01] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Ketamine, Transcranial Magnetic Stimulation, and Depression Specific Yoga and Mindfulness Based Cognitive Therapy in Management of Treatment Resistant Depression: Review and Some Data on Efficacy. DEPRESSION RESEARCH AND TREATMENT 2015; 2015:842817. [PMID: 26509083 PMCID: PMC4609854 DOI: 10.1155/2015/842817] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/30/2015] [Revised: 08/29/2015] [Accepted: 09/10/2015] [Indexed: 12/13/2022]
Abstract
Depression affects about 121 million people worldwide and prevalence of major depressive disorder (MDD) in US adults is 6.4%. Treatment resistant depression (TRD) accounts for approximately 12-20% of all depression patients and costs $29-$48 billion annually. Ketamine and repetitive transcranial magnetic stimulation (rTMS) have useful roles in TRD, but their utility in long term is unknown. As per the latest literature, the interventions using Yoga and meditation including the mindfulness based cognitive therapy (MBCT) have been useful in treatment of depression and relapse prevention. We present a review of rTMS, ketamine, and MBCT and also report efficacy of a depression specific, innovative, and translational model of Yoga and mindfulness based cognitive therapy (DepS Y-MBCT), developed by the first author. DepS Y-MBCT as an adjunctive treatment successfully ameliorated TRD symptoms in 27/32 patients in an open label pilot trial in TRD patients. Considering the limitations of existing treatment options, including those of ketamine and rTMS when used as the sole modality of treatment, we suggest a "tiered approach for TRD" by combining ketamine and rTMS (alone or along with antidepressants) for rapid remission of acute depression symptoms and to use DepS Y-MBCT for maintaining remission and preventing relapse.
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