Merck & Co. Inc. presented the first positive Phase II data comparing the PD-1 inhibitor Keytruda (pembrolizumab) in combination with chemotherapy versus chemotherapy alone at the European Society for Medical Oncology (ESMO) meeting Oct. 9 and the data could raise the bar for future immuno-oncology combinations.
While the data are early, the positive results seen in the KEYNOTE-021 study suggest the combination of Keytruda with chemotherapy...