Overview Seroquel in Bipolar Depression Versus SSRI Status: Completed Trial end date: 2007-05-01 Target enrollment: Participant gender: Summary The purpose of this study is to determine whether quetiapine is effective and safe in the acute treatment of bipolar depression and whether the effect is maintained when treatment is continued. Phase: Phase 3 Details Lead Sponsor: AstraZenecaTreatments: ParoxetineQuetiapine Fumarate