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
M.D. Anderson Cancer Center
Mayo Clinic
Royal Marsden NHS Foundation Trust
The Methodist Hospital Research Institute
H. Lee Moffitt Cancer Center and Research Institute
Osijek University Hospital
University of Erlangen-Nürnberg Medical School
Baylor College of Medicine
M.D. Anderson Cancer Center
Rowan University
UNC Lineberger Comprehensive Cancer Center
M.D. Anderson Cancer Center
Medical College of Wisconsin
University of Kentucky
Grupo Espanol de Tumores Neuroendocrinos
M.D. Anderson Cancer Center
University of Michigan Rogel Cancer Center
Wake Forest University Health Sciences
UNC Lineberger Comprehensive Cancer Center
H. Lee Moffitt Cancer Center and Research Institute
Milton S. Hershey Medical Center
University of Texas Southwestern Medical Center
M.D. Anderson Cancer Center
University of California, San Diego
Alliance for Clinical Trials in Oncology
Alliance for Clinical Trials in Oncology
Mayo Clinic
Yale University
University of California, Davis
Dana-Farber Cancer Institute
Emory University
University of Michigan Rogel Cancer Center
Washington University School of Medicine
University of California, San Francisco
University of Pittsburgh
Emory University
Memorial Sloan Kettering Cancer Center
University of Texas Southwestern Medical Center
University of California, San Francisco
University of Colorado, Denver
Thomas Jefferson University
M.D. Anderson Cancer Center
Wake Forest University Health Sciences
Washington University School of Medicine
University of Connecticut
Medical University of South Carolina
University of Florida
Dana-Farber Cancer Institute
M.D. Anderson Cancer Center