Overview Effectiveness of Pimozide in Augmenting the Effects of Clozapine in the Treatment of Schizophrenia Status: Completed Trial end date: 2009-02-01 Target enrollment: Participant gender: Summary This study will assess the effectiveness of pimozide in enhancing the effects of clozapine in the treatment of schizophrenia. Phase: Phase 4 Details Lead Sponsor: Icahn School of Medicine at Mount SinaiCollaborator: National Institute of Mental Health (NIMH)Treatments: ClozapinePimozide