Overview Efficacy and Safety of Celecoxib as Add-on Therapy to Risperidone Versus Risperidone Alone in Patients With Schizophrenia Status: Completed Trial end date: 2004-01-01 Target enrollment: Participant gender: Summary To assess the efficacy and safety of celecoxib as add-on therapy to risperidone versus risperidone alone in patients with schizophrenia Phase: Phase 2 Details Lead Sponsor: PfizerTreatments: CelecoxibRisperidone