Overview Zotepine Versus Risperidone in Aggressive Schizophrenic Patients of Acute Ward Status: Terminated Trial end date: 2009-12-01 Target enrollment: Participant gender: Summary The purpose of this study is to compare the efficacy and tolerability of zotepine versus Risperidone in aggressive schizophrenic patients. Phase: Phase 4 Details Lead Sponsor: Astellas Pharma IncCollaborator: Astellas Pharma Taiwan, Inc.Treatments: RisperidoneZotepine