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The efficacy and safety of 10 mg vortioxetine in the treatment of major depressive disorder: a meta-analysis of randomized controlled trials

Authors Li G, Wang X, Ma D

Received 25 December 2015

Accepted for publication 3 February 2016

Published 29 February 2016 Volume 2016:12 Pages 523—531


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Professor Wai Kwong Tang

Guangjian Li, Xu Wang, Dihui Ma

Department of Neurology and Neuroscience Center, First Hospital of Jilin University, Changchun, People’s Republic of China

Background: Vortioxetine is an investigational multimodal antidepressant. We conducted this meta-analysis to assess the efficacy and safety of 10 mg vortioxetine in the treatment of major depressive disorder (MDD).
Methods: Randomized controlled trials (RCTs) published in PubMed, Web of Science, Embase, and were systematically reviewed to assess the treatment effects and safety profiles of patients with MDD who were treated with 10 mg vortioxetine. The outcome measures included response rate, remission rate, changes from baseline in Montgomery–Asberg Depression Rating Scale (MADRS), Hamilton Rating Scale for Depression (24-items) (HAM-D24), Clinical Global Impression-Severity (CGI-S), and Clinical Global Impression-Improvement (CGI-I) scores. Results were expressed with risk ratio or weighted mean difference with 95% confidence intervals. Pooled results were calculated using a fixed-effects model or a random-effects model according to the heterogeneity among included trials.
Results: Six RCTs with a total of 1,801 patients met the inclusion criteria and were included in this meta-analysis. The 10 mg vortioxetine dose significantly increased the response rate and remission rate in the treatment of MDD compared with placebo. Moreover, there was a statistically significant reduction from baseline in the MADRS, HAM-D24, CGI-S, and CGI-I scores with 10 mg vortioxetine vs placebo. The incidence of treatment-emergent adverse events such as nausea, vomiting, constipation, and hyperhidrosis was higher in the 10 mg vortioxetine group than in the placebo group.
Conclusion: Vortioxetine 10 mg can significantly increase the response rate and remission rate, and reduce the MADRS, HAM-D24, CGI-S, and CGI-I scores in patients with MDD with an acceptable risk of treatment-emergent adverse events. Further well-conducted, large-scale trials are needed to validate these findings.

Keywords: vortioxetine, major depressive disorder, meta-analysis

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