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Trial ID: NCT02215265
A Phase III Trial of Risk-stratified, Reduced Intensity Adjuvant Treatment in Patients Undergoing Transoral Surgery for Human Papillomavirus (HPV)-Positive Oropharyngeal Cancer
- Histologically confirmed or suspected squamous cell carcinoma of the oropharynx.
- UICC/AJCC TNM 7th edition stage T1-T3, N0-N2b (or UICC TNM 8th edition stage T1-T3,
- Multidisciplinary team (MDT) decision to treat with primary transoral resection and
- Patients considered fit for surgery and adjuvant radiotherapy
- Aged 18 or over.
- Written informed consent provided.
- Known HPV negative squamous cell carcinomas of the head and neck: A negative result
for p16 Immunohistochemistry automatically excludes a patient from the trial. If
initial p16 testing is positive but High Risk HPV (HR HPV) In-Situ Hybridization
(ISH)/Polymerase Chain Reaction (PCR) does not demonstrate the presence of HR HPV DNA,
the patient will also be excluded. Patients who are p16+ may complete swallowing
assessments, excluding videofluoroscopy, and surgery whilst HR HPV DNA status is being
determined (with recourse to central concordance testing, if appropriate, for UK
centres). HPV positivity, as determined by p16 and the demonstration of HR HPV DNA is
essential before patients undergo videofluoroscopy or randomisation.
- T4 and/or T1-T3 tumours where transoral surgery is considered not feasible.
- UICC/AJCC TNM 7th edition N2c-N3 nodal disease (or UICC/AJCC TNM 8th edition N2-N3
- Patients for whom transoral surgery and neck dissection is not considered the primary
- Current smokers with clinically staged N2b disease (including smokers up to 6 months
before diagnosis), even if HPV-positive. Vaping is permitted and should be considered
as non-smoking status.
- Any pre-existing medical condition likely to impair swallowing function and/ or a
history of pre-existing swallowing dysfunction prior to index oropharyngeal cancer.
- Patients with distant metastatic disease as determined by routine pre-operative
staging radiological investigations e.g., CT thorax and upper abdomen or PET-CT.
- Patients with a history of malignancy in the last 5 years, except basal cell carcinoma
of the skin or carcinoma in-situ of the cervix.
- Women who are pregnant or breastfeeding and fertile women who will not be using
contraception during the trial.
radiation: Postoperative radiotherapy
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