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)
Eye & ENT Hospital of Fudan University
Sun Yat-sen University
Eye & ENT Hospital of Fudan University
Sun Yat-sen University
Samsung Medical Center
Groupe Oncologie Radiotherapie Tete et Cou
University of Arizona
The Second People's Hospital of Sichuan