Testing the Use of Investigational Drugs Atezolizumab and/or Bevacizumab With or Without Standard Chemotherapy in the Second-Line Treatment of Advanced-Stage Head and Neck Cancers
National Cancer Institute (NCI)
National Cancer Institute (NCI)
National Cancer Institute (NCI)
NRG Oncology
Memorial Sloan Kettering Cancer Center
National Cancer Institute (NCI)
University of California, San Diego
University of Texas Southwestern Medical Center
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
University of Zurich
Groupe Oncologie Radiotherapie Tete et Cou