Overview Allopurinol Add-on Treatment for Refractory Mania Status: Completed Trial end date: 2010-06-01 Target enrollment: Participant gender: Summary The purpose of this study is to investigate the efficacy of allopurinol as an augmentation agent for treatment resistant mania and mixed mania. Phase: Phase 4 Details Lead Sponsor: Cedars-Sinai Medical CenterCollaborator: National Alliance for Research on Schizophrenia and DepressionTreatments: Allopurinol