Overview A Comparison of Sertraline Versus Venlafaxine XR in the Treatment of Major Depression Status: Completed Trial end date: 2003-09-01 Target enrollment: Participant gender: Summary To assess the comparative efficacy of sertraline versus venlafaxine XR on measures of quality of life. Phase: Phase 4 Details Lead Sponsor: PfizerPfizer's Upjohn has merged with Mylan to form Viatris Inc.Treatments: SertralineVenlafaxine Hydrochloride