
It’s tricky to transplant a bladder. How surgeons finally did it
The first successful human bladder transplant could offer hope for people with bladder problems. On May 4, 2025, Oscar Larrainzar, 41, became the first human to successfully receive a bladder transplant. The surgery was part of a clinical trial developed to demonstrate the feasibility of bladder transplants in patients with terminal bladder diseases. The American…