United Therapeutics’ xenothymokidney is an investigational-stage pig from a pig with a single genetic edit, together with tissue from the same pig’s thymus. This transplant builds on two successful UHeartTM transplants completed in 2022 and 2023 SILVER SPRING, Md. The transplant represents several historic firsts for transplantation: The first-ever combined mechanical heart pump and organ transplant. In December 2020, this pig line was approved