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)
National Cancer Institute (NCI)
Mayo Clinic
M.D. Anderson Cancer Center
M.D. Anderson Cancer Center
National Cancer Institute (NCI)
National Cancer Institute (NCI)
Mayo Clinic
National Cancer Institute (NCI)
National Cancer Institute (NCI)
National Cancer Institute (NCI)
National Cancer Institute (NCI)
National Cancer Institute (NCI)
National Cancer Institute (NCI)
Mayo Clinic
National Cancer Institute (NCI)
M.D. Anderson Cancer Center
NRG Oncology
Ohio State University Comprehensive Cancer Center
Eastern Cooperative Oncology Group
Eastern Cooperative Oncology Group
M.D. Anderson Cancer Center
M.D. Anderson Cancer Center
Thomas Jefferson University
Children's Oncology Group
Mayo Clinic
Mayo Clinic
Mayo Clinic
National Cancer Institute (NCI)
Mayo Clinic
University of Washington
National Cancer Institute (NCI)
University of Michigan Rogel Cancer Center
Emory University
National Cancer Institute (NCI)
National Cancer Institute (NCI)
National Cancer Institute (NCI)
M.D. Anderson Cancer Center
Eastern Cooperative Oncology Group
M.D. Anderson Cancer Center
University of California, San Francisco
Emory University
University of Washington
National Cancer Institute (NCI)
National Cancer Institute (NCI)
M.D. Anderson Cancer Center
M.D. Anderson Cancer Center
Eastern Cooperative Oncology Group
University of Washington