Overview Efficacy, Safety, and Tolerability of Brexpiprazole (OPC-34712) as Maintenance Treatment in Adults With Schizophrenia Status: Completed Trial end date: 2015-02-01 Target enrollment: Participant gender: Summary The purpose of this study is to evaluate the efficacy of brexpiprazole compared with placebo as maintenance treatment in adults with schizophrenia. Phase: Phase 3 Details Lead Sponsor: Otsuka Pharmaceutical Development & Commercialization, Inc.Collaborator: Quintiles, Inc.Treatments: Brexpiprazole