One year ago, Tim Andrews was among the world’s first recipients of a genetically modified pig kidney. Now, he is the first ...

A recent study achieved a landmark breakthrough in pig-to-human kidney xenotransplantation by studying the immune system's rejection response up close. Dr. Valentin Goutaudier and his team from the ...

Tim Andrews set a world record — living with a genetically modified pig kidney for 271 days. Now, he has a human kidney again ...

The death of a Weymouth man two months after undergoing what his doctors at Mass General Hospital described as the first successful pig-to-human kidney transplant was caused by "an unexpected cardiac ...

Last year, Tim Andrews was living with diabetes and end-stage kidney disease.

In a Maryland operating room one day in November 2025, doctors made medical history by transplanting a genetically modified pig kidney into a living patient. The kidney had been engineered to mimic ...

Richard Slayman, the first successful recipient of a pig-to-human kidney transplant, died in May from heart complications unrelated to the procedure, according to Massachusetts General Hospital.