US surgeons have successfully implanted a heart from a genetically modified pig in a human patient, a first-of-its-kind procedure, the University of Maryland Medical School said Monday.
The surgery took place Friday, and demonstrates for the first time that an animal heart can survive in a human without immediate rejection, the medical school said in a statement.The 57-year-old Maryland resident is being carefully monitored to determine how the new organ performs.
The Food and Drug Administration granted emergency authorization for the surgery on New Year's Eve, as a last ditch effort for a patient who was unsuitable for conventional transplant. The editing was performed by biotech firm Revivicor, which also supplied the pig used in a breakthrough kidney transplant on a brain dead patient in New York in October.The donated organ was kept in a machine to preserve it ahead of surgery, and the team also used a new drug along with conventional anti-rejection drugs to suppress the immune system and prevent it rejecting the organ.
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