Friday 29 March 2019

New drugs that unleash the immune system on cancers may backfire, fueling tumor growth

New drugs that unleash the immune system on cancers may backfire, fueling tumor growth

Although the 65-year-old woman had a rare type of endometrial cancer that had spread to her liver and was expected to be fatal, she still felt well enough to work and swim. As a last hope, her doctors gave her a type of immune-stimulating drug that had had near-miraculous results in some patients with advanced cancer. But 3 weeks after she began the drug, the woman's liver tumors had grown, and her abdomen was swollen with tumors as big as oranges.

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