Clinical Research Directory

Inclusion Criteria: * Patients must have the ability to understand and read English, sign a written informed consent, and be willing to follow protocol requirements * Patients must not have pain \> 2 on a scale of 0 - 10 (self report) in the head and neck before starting radiotherapy * Scheduled to undergo a 6 week course of radiotherapy for head and neck cancer * No plans to change the type of pain medication during the course of the study Exclusion Criteria: * Patients who are taking any antipsychotic medications * Patients with active central nervous system (CNS) disease, such as clinically-evident metastases or leptomeningeal disease, dementia, or encephalopathy * Patients who have ever been diagnosed with bipolar disorder or schizophrenia * Patients with known, previously diagnosed head or neck pain from other pain syndromes or chronic pain requiring analgesics * Patients with a history of seizure disorders