(New York Times) – Surgeons in Boston successfully transplanted the kidney of a genetically modified pig into a 66-year-old man with kidney failure last month, Massachusetts General Hospital announced on Friday.

It was the fourth pig kidney transplant in the United States, and the first of three that will be done at Mass General as part of a new clinical trial sanctioned by the Food and Drug Administration. Two of the previous patients died shortly after the procedure, including one who was critically ill before the transplant. (Read More)