Merck's Keytruda Enjoys Clean Sweep In Lung Cancer, At Bristol's Expense

Merck came out ahead in the immuno-oncology combination showdown at AACR, with a strong overall survival benefit for Keytruda/chemo in the Phase III KEYNOTE-189 study in first-line NSCLC. The data were seen as practice-changing, but Bristol's CheckMate-227 trial of Opdivo/Yervoy failed to impress in the same way.