Stat: FDA Blasts Merck's Keytruda Data For New Breast Cancer Indication

Stat: FDA Blasts Merck's Keytruda Data For New Breast Cancer Indication
Merck (MRK) may have readily turned its Keytruda cancer drug into a medical and financial juggernaut, but its bid to win regulatory approval for at least one additional use may not come so easily, judging by documents from the Food and Drug Administration. (Silverman, 2/5)