University of Pennsylvania doctors say they cured two men of leukemia with a gene therapy that transforms a patient's own cells into cancer killers.
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.
His doctors describe the two cases in a study published Wednesday in the journal Nature. They say the two examples show the treatment, called CAR-T cell therapy, can attack cancer immediately, then stay inside the body for years and evolve there to keep the disease at bay. Such so-called"living drugs" are now used by thousands around the world to treat certain blood cancers.
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