Overview A Study to Evaluate Safety and Efficacy of YM178 in Patients With Overactive Bladder Status: Completed Trial end date: 2010-02-01 Target enrollment: Participant gender: Summary The purpose of the study is to evaluate the effect of YM178 in patients with overactive bladder for 12-week administration. Phase: Phase 3 Details Lead Sponsor: Astellas Pharma IncTreatments: MirabegronTolterodine Tartrate