An NYU surgeon transplants an engineered pig kidney into the outside of a brain-dead patient (Joe Carrotta/NYU Langone Health)

Bioethi­cists weigh in: Xeno­trans­plan­ta­tion may be here ‘with­in the next five years,’ but con­cerns loom

In Jan­u­ary of this year, sci­en­tists trans­plant­ed a ge­net­i­cal­ly mod­i­fied pig heart to a se­vere­ly ill pa­tient who was not el­i­gi­ble for hu­man or­gan trans­plant. That pa­tient, 57-year-old David Ben­nett, sur­vived some 60 days be­fore his new pig heart suc­cumbed to a virus that in­fects pigs but not hu­mans, as first re­port­ed by MIT Tech Re­view at the time.

Ac­cord­ing to that re­port, Ben­nett’s doc­tor Bart­ley Grif­fith said dur­ing a we­bi­nar, “It wasn’t an ex­per­i­ment to us. All he [Ben­nett] want­ed to do was live. In fact, he was such a fun­ny guy. On the way in to get his pig heart trans­plant, he looked at me and he said square­ly, ‘Are you sure I can’t get a hu­man heart?’”

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