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
SWOG Cancer Research Network
M.D. Anderson Cancer Center
M.D. Anderson Cancer Center
Mundipharma (China) Pharmaceutical Co. Ltd
Mundipharma Korea Ltd
Mundipharma (China) Pharmaceutical Co. Ltd
Mundipharma Korea Ltd
Mundipharma Korea Ltd
Mundipharma Korea Ltd
Mario Negri Institute for Pharmacological Research
Napp Pharmaceuticals Limited