Testing What Happens When an Immunotherapy Drug (Pembrolizumab) is Given by Itself Compared to the Usual Treatment of Chemotherapy With Radiation After Surgery for Recurrent Head and Neck Squamous Cell Carcinoma
National Cancer Institute (NCI)
National Cancer Institute (NCI)
Mayo Clinic
National Cancer Institute (NCI)
National Cancer Institute (NCI)
National Cancer Institute (NCI)
NRG Oncology
Peking Union Medical College
Eastern Cooperative Oncology Group
Ohio State University Comprehensive Cancer Center
Eastern Cooperative Oncology Group
M.D. Anderson Cancer Center
Mayo Clinic
University of Michigan Rogel Cancer Center
Eastern Cooperative Oncology Group
M.D. Anderson Cancer Center
Eye & ENT Hospital of Fudan University
Eastern Cooperative Oncology Group
Jonsson Comprehensive Cancer Center
National Cancer Institute (NCI)
National Cancer Institute (NCI)
Guiyang Medical University