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
Alliance for Clinical Trials in Oncology
Medical University of South Carolina
Washington University School of Medicine
Tanta University
Case Comprehensive Cancer Center
Vanderbilt-Ingram Cancer Center
University Hospital, Ghent
University of Chicago
University of Zurich
National Cancer Institute, Egypt
University of Kansas Medical Center
Roswell Park Cancer Institute
Stanford University
Henry Ford Health System
University of California, Davis
Vanderbilt-Ingram Cancer Center
Abramson Cancer Center at Penn Medicine
University of Wisconsin, Madison
St. Jude Children's Research Hospital
University of Washington
Washington University School of Medicine
British Columbia Cancer Agency
Capital Medical University
University of Illinois College of Medicine at Peoria
Hvidovre University Hospital
Alliance for Clinical Trials in Oncology
Alliance for Clinical Trials in Oncology
Alliance for Clinical Trials in Oncology
Alliance for Clinical Trials in Oncology
University of Rochester
Women and Infants Hospital of Rhode Island
Sunnybrook Health Sciences Centre