Oxybutynin ER to Promote Early Continence Recovery After Robotic Prostatectomy: A Randomized Controlled Trial

Inclusion Criteria: * Diagnosis: Patients with localized prostate cancer who are scheduled to undergo robot-assisted radical prostatectomy (RARP). * Age: Participants must be 18 years or older, with no upper age limit. * Consent: Participants must provide written informed consent before undergoing any study procedures. * Ability to Follow Protocol: Participants must be able to follow the protocol procedures throughout the study. Exclusion Criteria: * Surgical Complications: Participants who experience surgical complications during or after RARP requiring extraordinary medical or surgical treatment. * Other Urinary Conditions: Participants with other diseases causing lower urinary tract symptoms (LUTS) or bladder pain, including: * \- Benign prostatic hyperplasia (BPH), chronic prostatitis, interstitial cystitis, painful bladder syndrome, or urinary tract infection. * \- Overactive bladder or any other condition affecting bladder function. * Chronic Medication: Participants with long-term use of medications such as: * \- Alpha-blockers, antimuscarinics, or anticholinergics. * Glaucoma: Participants with narrow-angle glaucoma. * Urinary Retention: Participants with a history of urinary retention. * Gastrointestinal Motility Issues: Participants with severe conditions affecting gastrointestinal motility. * Concurrent Medications: Participants who are taking medications that are prohibited by the study protocol (e.g., cholinergic drugs, azole antifungals, smooth muscle relaxants).