Overview A Study to Compare Two Medications With an Inactive Medication and Look at the Effect on a Person's Mental Ability Status: Completed Trial end date: 2010-12-01 Target enrollment: Participant gender: Summary The purpose is to compare solifenacin and oxybutynin with an inactive tablet and assess any potential effects on mental ability. Phase: Phase 4 Details Lead Sponsor: Astellas Pharma IncTreatments: Mandelic AcidsOxybutyninSolifenacin Succinate