“Biliary tract cancer is typically diagnosed at an advanced stage, and these patients face a poor prognosis, with five-year survival rates estimated to be approximately 5% to 15%,” said Dr. Eliav Barr, senior vice president, head of global clinical development and chief medical officer, Merck Research Laboratories. “We are very encouraged by these overall survival results that show the potential benefit of KEYTRUDA in addition to chemotherapy for biliary cancer patients who are in urgent need of new treatment options.”
