A Study to Test the Effects of Tolterodine Tartrate in Patients With Overactive Bladder

Inclusion Criteria:

• Patient is a postmenopausal female 40 to 75 years of age
• Patient has a BMI less than or equal to 35 kg/m2
• Patient has a documented history of overactive bladder for at least 6 months prior to screening

Exclusion Criteria:

• Patient has stress or mixed incontinence
• Patient has a history of interstitial cystitis, painful bladder syndrome, or chronic pelvic pain
• Patient has a history of stroke, seizures, or major neurological disorders
• Patient has a history of fecal incontinence
• Patient has a history of continual urine leakage
• Patient has had surgery to correct stress urinary incontinence or pelvic organ prolapse within 6 months of study start
• Patient received bladder training of electrostimulation within 2 weeks of study start
• Patient requires a catheter
• Patient is taking medications that cannot be stopped for the duration of the trial including certain anticholinergics or smooth muscle relaxants
• Patient began taking tricyclic antidepressants, serotonin/norepinephrine reuptake inhibitors, calcium channel blockers, ephedrine/pseudoephedrine, or diuretic therapy less than 8 weeks before study start
• Patient has been on hormone replacement therapy for less than 12 weeks at study start
• Patient must take medication for arrhythmia
• Patient consumes more than 2 alcoholic beverages per day
• Patient consumes more than 3 servings of caffeinated beverages per day (1 serving = 120 mg caffeine)
• Patient has multiple and/or severe allergies to foods and drugs
• Patient regularly uses any illegal drugs