Tim Andrews Survives Nine Months with Genetically Modified Pig Kidney

Tim Andrews, a 66-year-old man suffering from end-stage kidney disease, has lived with a genetically modified pig kidney for nine months, marking a world first. He received the kidney in January 2025. This groundbreaking procedure has kept him off dialysis while he awaited a human transplant opportunity.

Andrews’ kidney failure was attributed to type 2 diabetes. His medical condition left him with only a 9% chance of receiving a human kidney transplant within five years. The genetically modified kidney, derived from a pig named Wilma, acted as a vital support system during this critical time.

The use of animal organs in human transplantation, particularly genetically modified ones, has garnered significant attention in medical research. This case represents a notable advancement in xenotransplantation, the process of transplanting organs between species.

Reports indicate that the pig kidney successfully functioned in Andrews' body, providing the necessary filtration of toxins and waste, similar to a human kidney. This ability is crucial for patients suffering from severe kidney disease, where conventional options may be limited.

The successful integration of the pig kidney has implications for future transplantation methods, potentially increasing the number of available organs for patients on waiting lists. This case highlights the ongoing efforts in medical science to address organ shortages.

The experiment was conducted under strict medical supervision, with continuous monitoring of Andrews' health and the performance of the organ. The findings contribute to the growing body of research into the viability of using genetically modified animal organs in human medicine.