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Your journey
1What's a trial
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More info
You can access this
clinical trial
if you have
Major Depressive Disorder
and you are
between 18 and 65
years old
This is a second phase trial assessing
efficacy and side effects of the new treatment.
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The purpose

This is a Double-blind study wherein patients with Major Depressive Disorder (MDD) will receive either from 1 to 3 mg a day of study medication (OPC-34712)or placebo (an inactive substance) in addition to an FDA approved antidepressant in order to determine if the study medication is effective as an add on treatment of MDD.

Provided treatments

  • Drug: OPC-34712
  • Drug: Placebo
  • Drug: ADT

Locations near you

Unfortunately, there are no recruiting locations near you. Please check the list with all locations below.
Tris trial is registered with FDA with number: NCT01052077. The sponsor of the trial is Otsuka Pharmaceutical Development & Commercialization, Inc. and it is looking for 773 volunteers for the current phase.
Official trial title:
A Phase 2, Multicenter, Randomized, Double-blind, Placebo-controlled Study of the Safety and Efficacy of OPDC-34712 (1 to 3 mg/Day) as Adjunctive Therapy in the Treatment of Adults With Major Depressive Disorder.