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)
National Cancer Institute (NCI)
Mayo Clinic
University of Michigan Rogel Cancer Center
Eastern Cooperative Oncology Group
Eastern Cooperative Oncology Group
Eastern Cooperative Oncology Group
M.D. Anderson Cancer Center
Children's Oncology Group
UNC Lineberger Comprehensive Cancer Center
Memorial Sloan Kettering Cancer Center
University of Texas Southwestern Medical Center
M.D. Anderson Cancer Center