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)
M.D. Anderson Cancer Center
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Eastern Cooperative Oncology Group
NRG Oncology
UNC Lineberger Comprehensive Cancer Center
Ohio State University Comprehensive Cancer Center
National Medical Research Radiological Centre of the Ministry of Health of Russia
Eastern Cooperative Oncology Group
George Washington University
Groupe Oncologie Radiotherapie Tete et Cou