Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
OS subgroup analyses in the all randomly assigned population. aStratified HR, 0.95. bPer interactive response technology. cStratified HR, 0.82. dStratified HR, 0.78. CPS, combined positive score; ECOG PS, Eastern Cooperative Oncology Group performance status; EXTREME, cetuximab plus cisplatin/carboplatin plus fluorouracil ≤ six cycles, then cetuximab maintenance; HR, hazard ratio; OPC, oropharyngeal cancer; OS, overall survival; PD-L1, programmed death-ligand 1.
