Overview A Study to Evaluate the Efficacy of Tolterodine on Specific Symptoms in Adult Patients With Overactive Bladder. Status: Completed Trial end date: 2005-01-01 Target enrollment: Participant gender: Summary The purpose of this study is to evaluate the efficacy and safety of tolterodine in impacting the primary symptom or complaint of patients with OAB. Phase: Phase 4 Details Lead Sponsor: PfizerPfizer's Upjohn has merged with Mylan to form Viatris Inc.Treatments: Tolterodine Tartrate