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High-Speed DNA Scans Help Most Lung Cancer Patients, Study Finds

More than half of lung and colon cancer patients may benefit from high-speed tests that detect DNA flaws doctors can target with existing medicines, a study found.

Researchers used a gene test made by closely held Foundation Medicine Inc. to sequence 145 cancer-associated genes in 40 colon tumor samples and 24 lung tumors. They found that 53 percent of colon tumors and 71 percent of lung tumors had mutations that may be attacked with cancer medicines on the market or in human trials, according to the study published today in Nature Medicine. In some cases, the results revealed what drugs wouldn’t work against the tumors.