How An Old Diabetes Drug Made A Big Splash At The Biggest Cancer Confab

At the recently concluded annual meeting of the American Society of Clinical Oncology (ASCO) a group of researchers from Mexico City described a surprising discovery: In a phase 2 trial in patients with stage 4 lung cancer, a 24-year-old diabetes drug significantly improved survival when added to a standard therapy. That drug, metformin, is used to lower blood sugar in type 2 diabetics.