Gabapentin, Methadone Hydrochloride, and Oxycodone Hydrochloride in Improving Quality of Life in Patients With Stage II-IV Head and Neck Cancer During Chemoradiation

This randomized pilot clinical trial studies the side effects of gabapentin and how well it works when given together with methadone hydrochloride and oxycodone hydrochloride in improving quality of life in patients with stage II-IV head and neck cancer during chemoradiation. Gabapentin, methadone hydrochloride, and oxycodone hydrochloride may help relieve moderate or severe pain caused by head and neck cancer during and after chemoradiation therapy.