Efficacy, Safety, and Tolerability of Darifenacin in Patients Aged > 65 Years With Overactive Bladder

Inclusion Criteria: * Symptoms of OAB for at least six months prior to Visit 3 * Symptoms of OAB during the 7 day diary period immediately preceding Visit 3: * ≥ 1 UUIE on average per day and * ≥ 10 episodes of micturition on average per day Exclusion Criteria: * A total daily urinary volume \> 3000 ml or a mean volume voided per micturition of \> 300 ml as verified in the micturition diary before randomization * Post-void residual (PVR) urinary volume \> 100 ml * Clinically significant stress urinary incontinence as determined by the investigator * Clinically significant bladder outlet obstruction as determined by the investigator * Concomitant diseases in which the use of anticholinergic drugs is contraindicated, e.g. urinary retention, gastric retention, uncontrolled narrow-angle glaucoma, myasthenia gravis, severe hepatic impairment (Child Pugh B and C), severe ulcerative colitis, toxic megacolon. Other protocol inclusion / exclusion criteria may apply