Overview Trazodone Once a Day in Major Depression Disorder Status: Completed Trial end date: 2014-04-01 Target enrollment: Participant gender: Summary The study objective is to evaluate the efficacy and safety of trazodone OAD vs venlafaxine extended release (venlafaxine XR) after an 8-week treatment period in patients with major depressive disorder. Phase: Phase 3 Details Lead Sponsor: Aziende Chimiche Riunite Angelini Francesco S.p.ATreatments: TrazodoneVenlafaxine Hydrochloride