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Dr. Nima Nassiri

Dr. Nima Nassiri

Lead Surgeon, Director of UCLA Vascularized Composite Bladder Allograft Transplant Program

Appears in 1 story

Stories

The first human bladder transplant

New Capabilities

Leading ongoing clinical trial at UCLA

On May 4, 2025, surgeons at UCLA performed the first successful human bladder transplant. Oscar Larrainzar, a 41-year-old father of four who'd spent seven years on dialysis after losing his bladder and both kidneys to cancer, received both organs in an eight-hour procedure. The kidney started producing urine immediately. Two days after going home, Larrainzar urinated on his own for the first time in seven years.

Updated Jan 7