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)
Eastern Cooperative Oncology Group
NRG Oncology
Ohio State University Comprehensive Cancer Center
Eastern Cooperative Oncology Group
Groupe Oncologie Radiotherapie Tete et Cou