Placebo-Controlled Study of ONO-2333Ms in Patients With Recurrent Major Depressive Disorder

A Randomized, Double-Blind, Placebo-Controlled, Parallel-Group Study to Evaluate the Safety and Efficacy of ONO-2333Ms in Patients With Recurrent Major Depressive Disorder

The purpose of this study is to evaluate the safety and efficacy of ONO-2333Ms in patients with Recurrent Major Depressive Disorder

Inclusion Criteria:

• Diagnosed with recurrent major depressive disorder

Exclusion Criteria:

• Patients with treatment resistance for depression
• History of alcohol abuse/dependence, substance abuse/dependence within 6 months
• Has clinically significant unstable medical condition
• Has significant risk of suicide