Study to Evaluate the Efficacy, Safety, and Tolerability of Oral OPC-34712 and Aripiprazole for Treatment of Acute Schizophrenia

• Status: Completed
• Trial end date: 2010-11-01
• Target enrollment: 0
• Participant gender: All

Summary

This will be a multicenter, randomized, double-blind, placebo-controlled study designed to assess the tolerability, safety, and efficacy of OPC-34712 (0.25 to 6.0 mg) for the treatment of adult subjects hospitalized with an acute relapse of schizophrenia. Aripiprazole (10 to 20 mg) is included as a positive control to confirm the assay sensitivity of the study. A total of approximately 563 subjects will be screened at an estimated 75 sites worldwide in order to obtain approximately 450 randomized subjects.

• Phase: Phase 2
• Accepts Healthy Volunteers?: No

Details

• Lead Sponsor: Otsuka Pharmaceutical Development & Commercialization, Inc.
• Treatments: Aripiprazole

Criteria

Inclusion Criteria:

1. Male or female subjects between 18 and 65 years of age, with a diagnosis of schizophrenia, as defined by DSM-IV-TR criteria

2. Subjects who have been recently hospitalized or who would benefit from hospitalization for an acute relapse of schizophrenia

3. Subjects experiencing an acute exacerbation of psychotic symptoms

Exclusion Criteria:

1. Females who are breast-feeding and/or who have a positive pregnancy test result prior to receiving study drug

2. Subjects with a current DSM-IV-TR Axis I diagnosis of:

• Schizoaffective disorder

• MDD

• Bipolar disorder

• Delirium, dementia, amnestic or other cognitive disorder

• Borderline, paranoid, histrionic, schizotypal, schizoid or antisocial personality disorder

3. Subjects presenting with a first episode of schizophrenia

4. Other protocol specific inclusion/exclusion criteria may apply