World's First-Ever Human Bladder Transplant Carried Out by UCLA, USC Surgeons
- On May 4, 2025, surgeons from UCLA and USC successfully completed the first-ever human bladder transplant in Southern California, transplanting a new bladder into 41-year-old Oscar Larrainzar.
- Larrainzar lost most of his bladder and both kidneys due to bladder cancer and kidney failure, leading to dialysis for seven years before the surgery.
- The complex eight-hour surgery transplanted a donor kidney and bladder using new techniques, with the kidney functioning immediately and urine draining properly into the new bladder.
- Dr. Inderbir Gill called it a "historic moment in medicine," and Larrainzar said, "I was a ticking time bomb," reflecting the high stakes of the procedure.
- This successful transplant offers hope for patients with severe bladder damage, but risks like immunosuppression complications mean it suits only carefully selected cases.
98 Articles
98 Articles
In Surgical First, Doctors Successfully Transplant Human Bladder At UCLA Medical Center
In an eight-hour procedure at Ronald Reagan UCLA Medical Center, surgeons from UCLA Health and Keck Medicine of USC performed the world's first-ever human bladder transplant. The post In Surgical First, Doctors Successfully Transplant Human Bladder At UCLA Medical Center appeared first on Study Finds.


US surgeons perform world's first bladder transplant
WASHINGTON — Surgeons at a hospital in Los Angeles, California, have successfully performed the world's first human bladder transplant, hospital officials said. The surgery, performed May 4 at Ronald Reagan UCLA Medical Center, is a promising development for other patients suffering from serious bladder disorders. The recipient of the innovative procedure was Oscar Larrainzar, 41, a father of four who had a large portion of his bladder removed d…
World’s first bladder transplant gives man ability to urinate after 7 years
The world’s first human bladder transplant was performed at UCLA Medical Center in Los Angeles, restoring 41-year-old Oscar Larenzar’s ability to urinate after seven long years. Oscar had lost both kidneys and his bladder due to cancer, surviving on dialysis. This groundbreaking 8-hour surgery involved a bladder and kidney transplant, and was the result of four years of preparation — including practice on pigs, cadavers, and brain-dead donors. S…
The first human bladder transplant
Good morning, happy Tuesday. My colleagues Isabella Cueto and J. Emory Parker have a great, meaty MAHA policy story for you today. Scroll down to read more, or just dive in. The expert on presidential health weighs in Lawrence Altman, a physician, professor, and former journalist, has reported on the health of every American president since Ronald Reagan. Last year, when President Joe Biden was still adamantly running for re-election, Altman wro…
Bladder Transplant, Successfully Performed on Man on Dialysis for Seven Years: It Is the First Attempt in the World
The experimental surgery was performed successfully at the Ronald Reagan UCLA Medical Center (Usa) on May 4 and could be a tread for other transplants on carefully selected patients. The recipient, 41 years old, had lost his bladder during a tumor resection operation.
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