Urethral stricture

This phase 2 trial is testing whether a traditional Chinese medicine called Lishitonglin Formula can improve non-severe urinary tract infections and lower urinary tract symptoms in men with urethral stricture before they undergo surgery. Participants will take either the herbal f…

This study tests a special balloon coated with the drug paclitaxel to treat urethral stricture, a narrowing of the urine tube in men. The balloon is inflated to open the stricture and deliver the drug to prevent it from closing again. The trial involves 127 men who have had at le…

This study tests a new surgical technique called double-face augmentation urethroplasty for men with severe, long urethral strictures (narrowing of the urine tube). The procedure uses a graft taken from the inside of the cheek (buccal mucosa) to widen the urethra from both sides.…

This study looks at three different numbing methods to reduce pain in the mouth after a type of urethral surgery called buccal graft urethroplasty. Sixty men will be randomly assigned to one of the methods, and their pain levels and need for painkillers will be tracked. The goal …

This study looks at the best time to remove a Foley catheter after bulbar urethroplasty, a surgery to fix a narrowed urethra. Researchers will compare removing the catheter at 7-10 days versus 18-21 days in 320 adult men. The goal is to see if earlier removal leads to similar rat…