Transplanted Pig Kidney Still Working After a Record-Setting 9 Months in a Patient

A gene-edited pig kidney transplanted into a patient in March 2025 remained functional after nine months, according to surgeons at the University of Maryland Medical Center. The patient, whose identity was not disclosed, received the transplant as part of a surgical trial authorized by the U.S. Food and Drug Administration. The transplant team reported the kidney was performing its filtering functions without rejection.

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