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This study evaluated its antidepressant and cognitive effects as a safe, effective, home-based therapy for MDD.<\/jats:p>\n\t  <\/jats:sec>\n\t  <jats:sec id=\"S092493382401811X_sec2\" sec-type=\"methods\">\n\t    <jats:title>Methods<\/jats:title>\n\t    <jats:p>This double-blind, sham-controlled, randomized trial divided participants into low-intensity (1\u00a0mA, <jats:italic>n<\/jats:italic>\u00a0=\u00a047), high-intensity (2\u00a0mA, <jats:italic>n<\/jats:italic>\u00a0=\u00a049), and sham (<jats:italic>n<\/jats:italic>\u00a0=\u00a045) groups, receiving 42 daily tDCS sessions, including weekends and holidays, targeting the dorsolateral prefrontal cortex for 30\u00a0minutes. Assessments were conducted at baseline and weeks 2, 4, and 6. The primary outcome was cognitive improvement assessed by changes in total accuracy on the 2-back test from baseline to week 6. Secondary outcomes included changes in depressive symptoms (HAM-D), anxiety (HAM-A), and quality of life (QLES). Adverse events were monitored. This trial was registered with <jats:uri xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink:href=\"http:\/\/ClinicalTrials.gov\">ClinicalTrials.gov<\/jats:uri> (NCT04709952).<\/jats:p>\n\t  <\/jats:sec>\n\t  <jats:sec id=\"S092493382401811X_sec3\" sec-type=\"results\">\n\t    <jats:title>Results<\/jats:title>\n\t    <jats:p>In the tDCS study, of 141 participants (102 [72.3%] women; mean age 35.7\u00a0years, standard deviation 12.7), 95 completed the trial. Mean changes in the total accuracy scores from baseline to week 6 were compared across the three groups using an <jats:italic>F<\/jats:italic>-test. Linear mixed-effects models examined the interaction of group and time. Results showed no significant differences among groups in cognitive or depressive outcomes at week 6. Active groups experienced more mild adverse events compared to sham but had similar rates of severe adverse events and dropout.<\/jats:p>\n\t  <\/jats:sec>\n\t  <jats:sec id=\"S092493382401811X_sec4\" sec-type=\"conclusions\">\n\t    <jats:title>Conclusions<\/jats:title>\n\t    <jats:p>Home-based tDCS for MDD demonstrated no evidence of effectiveness but was safe and well-tolerated. Further research is needed to address the technical limitations, evaluate broader cognitive functions, and extend durations to evaluate its therapeutic potential.<\/jats:p>\n\t  <\/jats:sec>","DOI":"10.1192\/j.eurpsy.2024.1811","type":"journal-article","created":{"date-parts":[[2025,1,14]],"date-time":"2025-01-14T22:30:09Z","timestamp":1736893809000},"source":"Crossref","is-referenced-by-count":8,"title":["Efficacy and safety of home-based transcranial direct current stimulation as adjunct treatment for cognitive improvement in major depressive disorder: A double-blind, randomized, multi-site clinical trial"],"prefix":"10.1192","volume":"68","author":[{"given":"CW","family":"Lee","sequence":"first","affiliation":[{"name":"Seoul National University Bundang Hospital"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0009-7508-1099","authenticated-orcid":false,"given":"K","family":"Park","sequence":"additional","affiliation":[{"name":"Seoul National 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