Overview A Comparison of Seroquel vs. Risperidone in Schizophrenia Status: Completed Trial end date: 2002-09-01 Target enrollment: Participant gender: Summary The purpose of this study is to show equal efficacy of both quetiapine and risperidone in subjects treated with study medication for up to 8 weeks. Phase: Phase 4 Details Lead Sponsor: AstraZenecaTreatments: Quetiapine FumarateRisperidone