Chemotherapy With or Without Bevacizumab in Treating Patients With Recurrent or Metastatic Head and Neck Squamous Cell Carcinoma
National Cancer Institute (NCI)
National Cancer Institute (NCI)
R-Pharm
Sun Yat-sen University
Rakuten Medical, Inc.
Hospital of Stomatology, Wuhan University
Beijing Tongren Hospital
Bristol-Myers Squibb
Assiut University
European Organisation for Research and Treatment of Cancer - EORTC
Alliance for Clinical Trials in Oncology
Radiation Therapy Oncology Group
SWOG Cancer Research Network