Rethinking Immunotherapy for Cancer: When Is the Best Time to Stop?
1 year, 3 months ago

Rethinking Immunotherapy for Cancer: When Is the Best Time to Stop?

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Immune-boosting drugs have revolutionized cancer care. He is trying to recruit cancer patients to study whether they could do as well with less of Merck’s Keytruda or Bristol-Myers Squibb’s Opdivo, so-called immune checkpoint inhibitors. A report this month in the journal Cancer Research Communications found that most metastatic colon cancer patients who responded well to their initial treatment didn’t experience a worsening of their disease nearly two years after discontinuing the drugs. “All patients probably don’t need a long duration of therapy to have durable benefits," said Dr. Geoffrey Gibney, a melanoma doctor at the Georgetown Lombardi Comprehensive Cancer Center. An oncologist, Prabhash found that head-and-neck cancer patients experienced a significant survival benefit with chemotherapy plus Opdivo at 6% of the dose used in the U.S., compared with patients who got chemotherapy alone.

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