A Phase 2 Study of TAS-303 in Female Patients With Stress Urinary Incontinence

Key Inclusion Criteria: * Patient has symptoms of Stress Urinary Incontinence (SUI) for at least 12 weeks prior to study entry * Urinary incontinence in the 1-hour pad weight test exceeds 2.0 g * The average number of SUI episodes is 1 or more per day * The average number of urge urinary incontinence (UUI) episodes is 0.43 or less per day * The number of "SUI episodes" exceeds the number of "other episodes" * The average number of urinary diurnal frequency is 10 or less per day and the average number of nocturia frequency is 2 or less per day Key Exclusion Criteria: * Patient has been diagnosed with mixed urinary incontinence (MUI) that is predominantly UUI * Patient has treated medication or therapy for SUI within 14 days before prior to study entry * Patient is considered to have SUI that would not be expected to improve unless treated with surgical therapy * Patient had a history of surgical treatment for urinary incontinence (Trans-obturator tape surgery, Tension-free vaginal tape surgery, etc.) * Patient has stage II or more of Pelvic Organ Prolapse (POP), or had a history of POP repair surgery within 180 days before prior to study entry * Patient has a serious illness or medical condition