Overview Clozapine Versus Haloperidol for Treating the First Episode of Schizophrenia Status: Terminated Trial end date: 2003-10-01 Target enrollment: Participant gender: Summary This study will examine the physical responses brought on by clozapine and haloperidol in people experiencing their first episode of schizophrenia. Phase: Phase 4 Details Lead Sponsor: Harvard Medical SchoolHarvard Medical School (HMS and HSDM)Collaborators: Commonwealth Research Center, MassachusettsDartmouth-Hitchcock Medical CenterNational Institute of Mental Health (NIMH)NovartisTreatments: ClozapineHaloperidolHaloperidol decanoate