Which Patients Will Be Helped By Immune Cancer Drugs? This Test May Tell

Excerpt:

“You’ve probably heard about powerful new cancer medicines like Keytruda and Opdivo. As advertised on TV, these drugs release brakes on the immune system to make tumors disappear and extend survival in deadly diseases like lung cancer and melanoma. But these agents, called checkpoint inhibitors, work in only a fraction of patients. Scientists are searching for diagnostic tests to predict who will be helped, and who won’t.

“A promising solution comes from Foundation Medicine, a molecular diagnostics company headquartered in Cambridge, Mass. Foundation offers a cancer genome profiling test that evaluates mutations in DNA. With results from its standard FoundationOne panel, Foundation calculates a Tumor Mutation Burden (TMB) score. This quantitative readout―based on the number and type of DNA changes per megabase, a length of DNA―may prove helpful to patients considering immune treatment for many advanced forms of cancer.”

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