In 2010, two blood cancer patients received an experimental immunotherapy, and their cancers went into remission. Ten years later, the cancer-fighting immune cells used in the therapy were still around, a sign the treatment can be long-lasting, researchers report February 2 in Nature.
California resident Doug Olsen was one of the patients. “From a patient’s viewpoint, when you’re told you’re pretty much out of options, the important thing is always to maintain hope. And certainly, I hoped this was going to work,” Olsen said at a February 1 news briefing.
The treatment, known as CAR-T cell therapy, used the patients’ own genetically engineered immune cells to track down and
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