A Phase 2, Multicenter, Randomized, Double-blind, Placebo-controlled Study of the Safety and Efficacy of OPC-34712 as Adjunctive Therapy in the Treatment of Patients With Major Depressive Disorder
A Phase 2, Multicenter, Randomized, Double-blind, Placebo-controlled Study of the Safety and Efficacy of OPC-34712 as Adjunctive Therapy in the Treatment of Patients With Major Depressive Disorder
Primary: To compare the efficacy of OPC-34712 to placebo as adjunctive treatment to an assigned open-label marketed antidepressant treatment (ADT)in patients who demonstrate an incomplete response to a prospective eight week trial of the same assigned open-label marketed ADT.
A comparison of the Fixed dose arm (OPC-31712, 0.15 mg) verses placebo was included as a general secondary efficacy variable and results for this dose group comparison are included under each of the Outcome Measures.
Inclusion Criteria:
Exclusion Criteria:
Females who are breast-feeding and/or who have a positive pregnancy test result prior to receiving study drug.
Subjects who report an inadequate response to more than three adequate trials of antidepressant treatments during current depressive episode at a therapeutic dose for an adequate duration.
Subjects with a current Axis I (DSM-IV-TR) diagnosis of:
Kissimee, Florida 34741, United States
Tampa, Florida 33613, United States
Cinncinnati, Ohio 45242, United States
Columbia, South Carolina 29203, United States