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The efficacy of repetitive transcranial magnetic stimulation (rTMS) for bipolar depression: A systematic review and meta-analysis

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The efficacy of repetitive transcranial magnetic stimulation (rTMS) for bipolar depression : A systematic review and meta-analysis. / Nguyen, Tuan Dang; Hieronymus, Fredrik; Lorentzen, Rasmus; McGirr, Alexander; Østergaard, Søren D.

In: Journal of Affective Disorders, Vol. 279, 01.2021, p. 250-255.

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Nguyen, Tuan Dang ; Hieronymus, Fredrik ; Lorentzen, Rasmus ; McGirr, Alexander ; Østergaard, Søren D. / The efficacy of repetitive transcranial magnetic stimulation (rTMS) for bipolar depression : A systematic review and meta-analysis. In: Journal of Affective Disorders. 2021 ; Vol. 279. pp. 250-255.

Bibtex

@article{811f96c5ed654248a5453d875a24a2ef,
title = "The efficacy of repetitive transcranial magnetic stimulation (rTMS) for bipolar depression: A systematic review and meta-analysis",
abstract = "BACKGROUND: Repetitive transcranial magnetic stimulation (rTMS) has established efficacy in the treatment of unipolar depression and a growing evidence base in the treatment of bipolar depression. The objective of this study was to provide an estimate of the efficacy of rTMS in bipolar depression as an up to date synthesis of this literature is lacking.METHODS: We conducted a systematic review of the sham-controlled randomized controlled trial (RCT) literature examining rTMS in bipolar depression. Studies were included if they included participants with bipolar depression in both sham- and active arms. The primary outcome parameter was rate of clinical response, defined as a 50% reduction as compared to baseline, on an established depression rating scale. Quantitative synthesis was performed using the Maentel-Haenszel random-effects model.RESULTS: Data from a total of 274 patients from 14 studies were retained in the quantitative synthesis. The response rates were higher in rTMS compared to sham treatment (odds ratio (OR) = 2.72. 95%CI: 1.44-5.14). When stimulation protocols were analysed separately, statistically significant clinical response was only observed for high-frequency rTMS over the left dorsolateral prefrontal cortex (OR = 2.57, 95%CI: 1.17-5.66).LIMITATIONS: Most data was extracted from trials including very few participants with bipolar depression (predominantly unipolar depression samples). Large confirmatory RCTs of rTMS specifically for bipolar depression are lacking.CONCLUSION: rTMS seems effective in the treatment of bipolar depression, but dedicated and adequately powered RCTs are needed in order to firmly conclude that rTMS should be offered routinely for the treatment of bipolar depression.",
keywords = "ADD, ANTIDEPRESSANT EFFICACY, CONTROLLED-TRIAL, DISORDER, DOUBLE-BLIND, HIGH-FREQUENCY, MAJOR DEPRESSION, MEDICATION-RESISTANT DEPRESSION, THERAPEUTIC-EFFICACY, TMS",
author = "Nguyen, {Tuan Dang} and Fredrik Hieronymus and Rasmus Lorentzen and Alexander McGirr and {\O}stergaard, {S{\o}ren D}",
note = "Copyright {\textcopyright} 2020 Elsevier B.V. All rights reserved.",
year = "2021",
month = jan,
doi = "10.1016/j.jad.2020.10.013",
language = "English",
volume = "279",
pages = "250--255",
journal = "Journal of Affective Disorders",
issn = "0165-0327",
publisher = "Elsevier BV",

}

RIS

TY - JOUR

T1 - The efficacy of repetitive transcranial magnetic stimulation (rTMS) for bipolar depression

T2 - A systematic review and meta-analysis

AU - Nguyen, Tuan Dang

AU - Hieronymus, Fredrik

AU - Lorentzen, Rasmus

AU - McGirr, Alexander

AU - Østergaard, Søren D

N1 - Copyright © 2020 Elsevier B.V. All rights reserved.

PY - 2021/1

Y1 - 2021/1

N2 - BACKGROUND: Repetitive transcranial magnetic stimulation (rTMS) has established efficacy in the treatment of unipolar depression and a growing evidence base in the treatment of bipolar depression. The objective of this study was to provide an estimate of the efficacy of rTMS in bipolar depression as an up to date synthesis of this literature is lacking.METHODS: We conducted a systematic review of the sham-controlled randomized controlled trial (RCT) literature examining rTMS in bipolar depression. Studies were included if they included participants with bipolar depression in both sham- and active arms. The primary outcome parameter was rate of clinical response, defined as a 50% reduction as compared to baseline, on an established depression rating scale. Quantitative synthesis was performed using the Maentel-Haenszel random-effects model.RESULTS: Data from a total of 274 patients from 14 studies were retained in the quantitative synthesis. The response rates were higher in rTMS compared to sham treatment (odds ratio (OR) = 2.72. 95%CI: 1.44-5.14). When stimulation protocols were analysed separately, statistically significant clinical response was only observed for high-frequency rTMS over the left dorsolateral prefrontal cortex (OR = 2.57, 95%CI: 1.17-5.66).LIMITATIONS: Most data was extracted from trials including very few participants with bipolar depression (predominantly unipolar depression samples). Large confirmatory RCTs of rTMS specifically for bipolar depression are lacking.CONCLUSION: rTMS seems effective in the treatment of bipolar depression, but dedicated and adequately powered RCTs are needed in order to firmly conclude that rTMS should be offered routinely for the treatment of bipolar depression.

AB - BACKGROUND: Repetitive transcranial magnetic stimulation (rTMS) has established efficacy in the treatment of unipolar depression and a growing evidence base in the treatment of bipolar depression. The objective of this study was to provide an estimate of the efficacy of rTMS in bipolar depression as an up to date synthesis of this literature is lacking.METHODS: We conducted a systematic review of the sham-controlled randomized controlled trial (RCT) literature examining rTMS in bipolar depression. Studies were included if they included participants with bipolar depression in both sham- and active arms. The primary outcome parameter was rate of clinical response, defined as a 50% reduction as compared to baseline, on an established depression rating scale. Quantitative synthesis was performed using the Maentel-Haenszel random-effects model.RESULTS: Data from a total of 274 patients from 14 studies were retained in the quantitative synthesis. The response rates were higher in rTMS compared to sham treatment (odds ratio (OR) = 2.72. 95%CI: 1.44-5.14). When stimulation protocols were analysed separately, statistically significant clinical response was only observed for high-frequency rTMS over the left dorsolateral prefrontal cortex (OR = 2.57, 95%CI: 1.17-5.66).LIMITATIONS: Most data was extracted from trials including very few participants with bipolar depression (predominantly unipolar depression samples). Large confirmatory RCTs of rTMS specifically for bipolar depression are lacking.CONCLUSION: rTMS seems effective in the treatment of bipolar depression, but dedicated and adequately powered RCTs are needed in order to firmly conclude that rTMS should be offered routinely for the treatment of bipolar depression.

KW - ADD

KW - ANTIDEPRESSANT EFFICACY

KW - CONTROLLED-TRIAL

KW - DISORDER

KW - DOUBLE-BLIND

KW - HIGH-FREQUENCY

KW - MAJOR DEPRESSION

KW - MEDICATION-RESISTANT DEPRESSION

KW - THERAPEUTIC-EFFICACY

KW - TMS

U2 - 10.1016/j.jad.2020.10.013

DO - 10.1016/j.jad.2020.10.013

M3 - Letter

C2 - 33074144

VL - 279

SP - 250

EP - 255

JO - Journal of Affective Disorders

JF - Journal of Affective Disorders

SN - 0165-0327

ER -