Overview Comparison of Pregabalin Versus Venlafaxine XR and Placebo in the Treatment of Generalized Anxiety Disorder Status: Completed Trial end date: 2006-11-01 Target enrollment: Participant gender: Summary The purpose of the study is to compare pregabalin to Venlafaxine XR and placebo in the treatment of generalized anxiety disorder. Phase: Phase 3 Details Lead Sponsor: PfizerPfizer's Upjohn has merged with Mylan to form Viatris Inc.Treatments: PregabalinVenlafaxine Hydrochloride