期刊
NEW ENGLAND JOURNAL OF MEDICINE
卷 376, 期 26, 页码 2523-2533出版社
MASSACHUSETTS MEDICAL SOC
DOI: 10.1056/NEJMoa1612999
关键词
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资金
- Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP), an independent public foundation [2012/20911-5]
- state of Sao Paulo
- NARSAD Young Investigator from the Brain and Behavior Research Foundation [20493]
- FAPESP Young Researcher from the Sao Paulo State Foundation [20911-5]
- National Council for Scientific and Technological Development (CNPq) [470904, 30167-PQ2]
- Associacao Beneficente Alzira Denise Hertzog da Silva
- Brazilian Coordination for the Improvement of Higher Education Personnel
- FAPESP
BACKGROUND We compared transcranial direct-current stimulation (tDCS) with a selective serotonin-reuptake inhibitor for the treatment of depression. METHODS In a single-center, double-blind, noninferiority trial involving adults with unipolar depression, we randomly assigned patients to receive tDCS plus oral placebo, sham tDCS plus escitalopram, or sham tDCS plus oral placebo. The tDCS was administered in 30-minute, 2-mA prefrontal stimulation sessions for 15 consecutive weekdays, followed by 7 weekly treatments. Escitalopram was given at a dose of 10 mg per day for 3 weeks and 20 mg per day thereafter. The primary outcome measure was the change in the 17-item Hamilton Depression Rating Scale (HDRS-17) score (range, 0 to 52, with higher scores indicating more depression). Noninferiority of tDCS versus escitalopram was defined by a lower boundary of the confidence interval for the difference in the decreased score that was at least 50% of the difference in the scores with placebo versus escitalopram. RESULTS A total of 245 patients underwent randomization, with 91 being assigned to escitalopram, 94 to tDCS, and 60 to placebo. In the intention-to-treat analysis, the mean (+/- SD) decrease in the score from baseline was 11.3 +/- 6.5 points in the escitalopram group, 9.0 +/- 7.1 points in the tDCS group, and 5.8 +/- 7.9 points in the placebo group. The lower boundary of the confidence interval for the difference in the decrease for tDCS versus escitalopram (difference, -2.3 points; 95% confidence interval [CI], -4.3 to -0.4; P = 0.69) was lower than the noninferiority margin of -2.75 (50% of placebo minus escitalopram), so noninferiority could not be claimed. Escitalopram and tDCS were both superior to placebo (difference vs. placebo, 5.5 points [95% CI, 3.1 to 7.8; P<0.001] and 3.2 points [95% CI, 0.7 to 5.5; P = 0.01], respectively). Patients receiving tDCS had higher rates of skin redness, tinnitus, and nervousness than did those in the other two groups, and new-onset mania developed in 2 patients in the tDCS group. Patients receiving escitalopram had more frequent sleepiness and obstipation than did those in the other two groups. CONCLUSIONS In a single-center trial, tDCS for the treatment of depression did not show noninferiority to escitalopram over a 10-week period and was associated with more adverse events. (Funded by Fundacao de Amparo a Pesquisa do Estado de Sao Paulo and others; ELECT-TDCS ClinicalTrials.gov number, NCT01894815.)
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