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Innovative Cancer Treatment May Sometimes Cause Cancer, F.D.A. Says

The New York Times •
A composite colored scanning electron micrograph of T cells, blue, and a lymphoma cancer cell, red.Credit...Steve Gschmeissner/Science Source
A composite colored scanning electron micrograph of T cells, blue, and a lymphoma cancer cell, red.Credit...Steve Gschmeissner/Science Source
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A lifesaving cancer treatment may itself cause cancers, the Food and Drug Administration reported on Tuesday.

The treatment, called CAR-T, was first approved in November 2017 for life-threatening blood cancers. But, the F.D.A. said, it had received 19 reports of new blood cancers in patients who received the treatment.