Pig kidney works for a record 271 days inside the body of American patient

September 4, 2026

saline bag hanging from rack

(NBC News) – The transplant led to “sustained dialysis independence” for nearly nine months before Tim Andrews, now 68, received a human kidney earlier this year, according to The Lancet.

A New Hampshire man, at death’s door 1 ½ years ago, said Friday he could now have “decades” left after surviving a record 271 days with a transplanted pig kidney — in a procedure that could offer new hope to countless other patients.

When Tim Andrews and doctors first started discussing a pig transplant in late 2024, the patient with end-stage kidney failure said he was convinced death was near.

But Andrews, 68, wanted to try this procedure, if just for the findings and data it could yield for researchers. (Read More)