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Dose Adjusted Chemoradiotherapy in HPV-Associated Oropharynx Cancer of the Elderly

Sponsor: Omar Mahmoud • ClinicalTrials.gov ID: NCT06309225

Registry updated: 2026-09-29

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Description

Previous studies of this type of head and necl cancer have shown high rates of cancer control but result in many short and long term side effects when treated with high dose radiation and chemotherapy. Recently, investigators have noticed similar high rates of cancer control in small numbers of patients who receive less intensive treatments using lower doses of radiation, smaller radiation fields with chemotherapy. It is expected that the side effects of treatment with lower doses of radiation would be less. For this reason this study is looking at a different regimen of reducing the intensity of the treatment. The purpose of this study is to compare any good and bad effects of using lower dose smaller fields radiation therapy and chemotherapy with published outcomes. This study will allow the researchers to know whether these different approaches are better, the same, or worse than the usual approach. To be better, the study approach should result in the same survival rate of the usual approach (about 85 out of 100 patients alive and free of cancer at 2 years) but with less long-term side effects.

Interventions

Modified dose and fields intensity modulated radiotherapy (Radiation)
Instead of standard bilateral or extensive neck fields, the current radiation fields will cover disease with only 3cm expansion. The clinical target volumes doses are biologically equivalent to the standard but given in a shorter hypofractionated approach.

Eligibility criteria

Inclusion Criteria: * Pathologically proven diagnosis of squamous cell carcinoma of the oropharynx (tonsil, base of tongue, soft palate, or oropharyngeal walls) * Patients must have clinically or radiographically evident measurable disease at the primary site or at nodal stations. * P16-positive based on local site immunohistochemical tissue staining * Clinical stage T1-3, N1-2, M0 (AJCC, 8th ed.) * Age ≥ 65. * Normal organ and marrow function within 14 days prior to registration defined as follows: * Absolute neutrophil count ≥ 1,500/mcL * Platelets ≥ 100,000/mcL * Hemoglobin ≥ 8.0 g/dL * Total bilirubin ≤ 1.5× institutional upper limit of normal (ULN) * AST(SGOT) or ALT(SGPT) ≤ 3.0 × institutional ULN * Serum creatinine ≤ 1.5× ULN Exclusion Criteria: * Metastatic disease * Recurrent disease after primary management Cancers with center of mass is outside the oropharyngeal boundaries * Synchronous double primaries * Prior radiotherapy for lymphoma or other malignancy * Prior systemic therapy including immunotherapy * Severe active comorbidity where life expectancy is \<1 year. * Autoimmune disease * Uncontrolled HIV

Conditions

Oropharynx Cancer Frailty

Locations

Baptist MD Anderson Cancer Center — Jacksonville, Florida, United States

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Official Source

Data sourced from ClinicalTrials.gov, a service of the U.S. National Institutes of Health.

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