Gabapentin, Methadone, and Oxycodone With or Without Venlafaxine Hydrochloride in Managing Pain in Participants With Stage II-IV Squamous Cell Head and Neck Cancer Undergoing Chemoradiation Therapy
Roswell Park Cancer Institute
Roswell Park Cancer Institute
Henan Provincial People's Hospital
Wake Forest University Health Sciences
M.D. Anderson Cancer Center
St. Louis University
University of Miami
M.D. Anderson Cancer Center
Deventer Ziekenhuis
Peking University First Hospital
Washington University School of Medicine
The First Affiliated Hospital with Nanjing Medical University
Duke University
University of Kansas Medical Center
Institut du Cancer de Montpellier - Val d'Aurelle
Qianfoshan Hospital
Zhejiang Cancer Hospital
Roswell Park Cancer Institute
Medical University of Lublin
M.D. Anderson Cancer Center
University of Alabama at Birmingham
M.D. Anderson Cancer Center
University of Southern California
Affiliated Cancer Hospital & Institute of Guangzhou Medical University
Mario Negri Institute for Pharmacological Research
Mario Negri Institute for Pharmacological Research
Gyeongsang National University Hospital
Fondazione IRCCS Policlinico San Matteo di Pavia
Associazione Progetto Oncologia UMAN.A