Clinical Research Directory

Inclusion Criteria: * ≥ 18 years of age * T0-T2 N2a-N3 M0 or T3-T4 N0-N3 M0 (AJCC 7th edition) * Biopsy proven squamous cell carcinoma of the oropharynx or unknown primary * No prior therapy * No evidence of distant metastatic disease * p16 positive = diffuse ≥ 70% tumor cell expression, with at least moderate (2/3+) staining intensity * Planned for receipt of definitive cancer treatment * ECOG Performance Status 0-1 * Patients must be deemed able to comply with the treatment plan and follow-up schedule. * Patients must provide study specific informed consent prior to study entry Exclusion Criteria: All subjects meeting any of the exclusion criteria at baseline will be excluded from study participation: * Prior history of radiation therapy to the head and neck * Prior history of head and neck cancer. * Inadequate pre-treatment tissue sample for tumor genomic analyses