For decades, the transplant community has asked a single question: can a pig kidney keep a human alive long enough to matter? In 2025, we finally got an answer. Multiple patients in the United States and China survived more than six months with gene-edited pig kidneys functioning inside them — crossing a threshold that changes how we think about xenotransplantation and the future of kidney failure treatment. Key Takeaways Multiple humans have now lived more than six months wi