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Eur Neuropsychopharmacol. 2016 Jun;26(6):979-93. doi: 10.1016/j.euroneuro.2016.03.007. Epub 2016 Mar 25.

A meta-analysis of randomized, placebo-controlled trials of vortioxetine for the treatment of major depressive disorder in adults.

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University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA. Electronic address:
Takeda Development Center Americas, Deerfield, IL 60015, USA.
H. Lundbeck A/S, Copenhagen, Denmark.
Hospital Clinic, University of Barcelona, IDIBAPS, CIBERSAM, Barcelona, Catalonia, Spain.


The efficacy and safety of vortioxetine, an antidepressant approved for the treatment of adults with major depressive disorder (MDD), was studied in 11 randomized, double-blind, placebo-controlled trials of 6/8 weeks׳ treatment duration. An aggregated study-level meta-analysis was conducted to estimate the magnitude and dose-relationship of the clinical effect of approved doses of vortioxetine (5-20mg/day). The primary outcome measure was change from baseline to endpoint in Montgomery-Åsberg Depression Rating Scale (MADRS) total score. Differences from placebo were analyzed using mixed model for repeated measurements (MMRM) analysis, with a sensitivity analysis also conducted using last observation carried forward. Secondary outcomes included MADRS single-item scores, response rate (≥50% reduction in baseline MADRS), remission rate (MADRS ≤10), and Clinical Global Impressions scores. Across the 11 studies, 1824 patients were treated with placebo and 3304 with vortioxetine (5mg/day: n=1001; 10mg/day: n=1042; 15mg/day: n=449; 20mg/day: n=812). The MMRM meta-analysis demonstrated that vortioxetine 5, 10, and 20mg/day were associated with significant reductions in MADRS total score (Δ-2.27, Δ-3.57, and Δ-4.57, respectively; p<0.01) versus placebo. The effects of 15mg/day (Δ-2.60; p=0.105) were not significantly different from placebo. Vortioxetine 10 and 20mg/day were associated with significant reductions in 9 of 10 MADRS single-item scores. Vortioxetine treatment was also associated with significantly higher rates of response and remission and with significant improvements in other depression-related scores versus placebo. This meta-analysis of vortioxetine (5-20mg/day) in adults with MDD supports the efficacy demonstrated in the individual studies, with treatment effect increasing with dose.


Clinical efficacy; Drug dose–response relationship; Major depressive disorder; Meta-analysis; Vortioxetine

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