Overview Amantadine as Adjunctive Therapy to Antipsychotics in Schizophrenia Status: Unknown status Trial end date: 2011-09-01 Target enrollment: Participant gender: Summary Amantadine as add-on therapy to antipsychotics may improve schizophrenia positive, negative and cognitive symptoms. Phase: Phase 3 Details Lead Sponsor: Hospital de Clinicas de Porto AlegreTreatments: AmantadineAntipsychotic Agents