CLL patient cured a decade after gene therapy

[WinJ3]

In 2010, doctors treated Doug Olson’s leukemia with an experimental gene therapy that transformed some of his blood cells into cancer killers. More than a decade later, there’s no sign of cancer in his body.

The treatment cured Olson and a second patient, according to the University of Pennsylvania doctors, who said it was the first time the therapy had been studied for so long.

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