Protocol on transcranial alternating current stimulation for the treatment of major depressive disorder: a randomized controlled trial.

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Protocol on transcranial alternating current stimulation for the treatment of major depressive disorder: a randomized controlled trial.

Chin Med J (Engl). 2019 Dec 20;:

Authors: Wang HX, Wang K, Zhang WR, Zhao WF, Yang XT, Wang L, Peng M, Sun ZC, Xue Q, Jia Y, Li N, Dong K, Zhang Q, Zhan SQ, Min BQ, Fan CQ, Zhou AH, Song HQ, Yin L, Si TM, Huang J, Lu J, Leng HX, Ding WJ, Liu Y, Yan TY, Wang YP

Abstract
BACKGROUND: Transcranial alternating current stimulation (tACS) offers a new approach for adult patients with major depressive disorder (MDD). The study is to evaluate the efficacy and safety of tACS treating MDD.
METHODS: This is an 8-week, double-blind, randomized, placebo-controlled study. Ninety-two drug-naive patients with MDD aged 18 to 65 years will receive 20 daily 40-min, 77.5-Hz, 15-mA sessions of active or sham tACS targeting the forehead and both mastoid areas on weekdays for 4 consecutive weeks (week 4), following a 4-week observation period (week 8). The primary outcome is the remission rate defined as the 17-item Hamilton depression rating scale (HDRS-17) score ≤7 at week 8. Secondary outcomes are the rates of response at weeks 4 and 8 and rate of remission at week 4 based on HDRS-17, the proportion of participants having improvement in the clinical global impression-improvement, the change in HDRS-17 score (range, 0-52, with higher scores indicating more depression) over the study, and variations of brain imaging and neurocognition from baseline to week 4. Safety will be assessed by vital signs at weeks 4 and 8, and adverse events will be collected during the entire study.
DISCUSSION: The tACS applied in this trial may have treatment effects on MDD with minimal side effects.
TRIAL REGISTRATION: Chinese Clinical Trial Registry, ChiCTR1800016479; http://www.chictr.org.cn/showproj.aspx?proj=22048.

PMID: 31868799 [PubMed – as supplied by publisher]

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