A Study of Effects of Fesoterodine in Men at High Risk for Overactive Bladder/Detrusor Overactivity Post Robotic-Assisted Lap. Prostatectomy

Inclusion Criteria: * Men aged 30 to 90 years old with prostate adenocarcinoma who have already made their treatment selection of RARP, and only men with an AUA symptom score greater than 7 will be included. All subjects must be able to read and comprehend fully the informed consent. Exclusion Criteria: * Men with prostate neoplasms other than adenocarcinoma * Subjects receiving other treatments for prostate cancer will be excluded. * Any subject with a preexisting bladder disease will be excluded. * Subjects with acute urinary retention and/or deceased gastrointestinal motility. * Subjects with glaucoma. * Subjects with hepatic or renal impairment. * Subjects taking CYP3A4 Inhibitors (e.g.ketoconazole, itraconazole, clarithromycin). * Subjects with myasthenia gravis * Subjects who are unwilling or unable to complete the subject questionnaires * Subjects, who in the opinion of the investigator, would be non-compliant with the majority of the visits scheduled or study procedures.