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Mass General Removes Pig Kidney From Tim Andrews After Record 271 Days

Regulators have opened multicenter trials to test gene-edited porcine kidneys.

Overview

  • Surgeons took out the organ on Oct. 23 after a period of decreasing kidney function, the hospital said.
  • Andrews, 67, has resumed dialysis and remains on the waiting list for a human donor kidney.
  • The transplant set a world-record 271-day run for a functioning pig kidney in a human.
  • The FDA-cleared pathway allows the first porcine-kidney clinical trial to expand to multiple U.S. centers with more than 30 patients.
  • Early recipients have shown mixed outcomes, including two deaths after earlier procedures and a June Mass General patient who continues to fare well, as the hospital plans another pig-kidney transplant later this year.