Overview Effects of Aripiprazole in Overweight Patients Treated With Olanzapine for Schizophrenia or Schizoaffective Disorder Status: Completed Trial end date: 2006-08-01 Target enrollment: Participant gender: Summary The primary purpose of this study is to compare the affects of aripiprazole and olanzapine on weight change. Phase: Phase 3 Details Lead Sponsor: Otsuka Pharmaceutical Development & Commercialization, Inc.Collaborator: Otsuka America PharmaceuticalTreatments: AripiprazoleOlanzapine