This is a randomized, double-blind, placebo-controlled, parallel-group, phase III study to assess the efficacy and safety of 8-week treatment of two fixed doses of Vortioxetine (Lu AA21004; 10 or 20 mg/day) in Japanese participants with major depressive disorder (MDD).
The purpose of this study is to evaluate the efficacy of two fixed doses of vortioxetine (Lu AA21004; 10 or 20 mg/day) after 8 weeks of treatment in patients with major depressive disorder (MDD) in Japan.