A Long-Term Multicenter, Randomized, Double-blind, Placebo-controlled Study to Evaluate the Efficacy, Safety, and Tolerability of Aripiprazole (OPC 14597) as Maintenance Treatment in Adolescent Patients With Schizophrenia

2014-07-23 21:08:42 | BioPortfolio


This will be a randomized, double-blind, placebo-controlled study consisting of a screening period, a conversion phase (Phase 1), a stabilization phase (Phase 2), and a double-blind maintenance treatment phase (Phase 3), and a follow up period.

Subjects may be either outpatients or inpatients between screening and through the time they reach stabilization at the end of Phase 2; hospitalization is not a study requirement. However, eligible subjects must be outpatients at the beginning of Phase 3.

Subjects will be assessed weekly during Phase 1, weekly for the first 4 weeks of Phase 2 and 3, and biweekly for the remaining weeks during each of Phases 2 and 3. Subjects will be encouraged to call the investigators with any exacerbation of psychotic symptoms and/or any tolerability issues. The investigator will also have the option to phone the subjects and their guardian(s) at any time to ensure clinical stability.

A data monitoring committee (DMC) will provide oversight for safety monitoring and reviewing the interim analysis. Two interim analyses are planned after 50% and 75% of the total expected number of impending relapse events (25 and 37 events, respectively) are achieved and will be conducted by an independent data analysis center. The DMC will make a recommendation about stopping or continuing the study based on safety and efficacy reviews. The results of the interim analysis and individual subject data will remain blinded to the sponsor during the course of the study until the DMC determines that the study will conclude based on the results of the interim analysis, or the study is completed after 49 endpoint events.

Study Design

Allocation: Randomized, Control: Placebo Control, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Treatment




Aripiprazole, Aripiprazole


Not yet recruiting


Otsuka Pharmaceutical Development & Commercialization, Inc.

Results (where available)

View Results


Published on BioPortfolio: 2014-07-23T21:08:42-0400

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Psychiatry is the study of mental disorders and their diagnosis, management and prevention.  Conditions include schizophrenia, severe depression and panic disorders among others. There are pharmaceutical treatments as well as other therapies to help...

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