NCT05582122 SURVEILLE-HPV: Evaluation of HPV16 Circulating DNA as Biomarker to Detect the Recurrence, in Order to Improve Post Therapeutic Surveillance of HPV16-driven Oropharyngeal Cancers

Eligibility & Interventions

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What to Expect as a Participant

You will actively receive the study intervention — which may be a drug, biologic, device, or procedure.

In Phase 2, researchers evaluate early signs of effectiveness. You may be randomized to receive the active treatment or a comparator. Monitoring continues closely.

This trial targets 420 participants in total. It began in 2024-04-03 with a primary completion date of 2028-04-01.

Brief Summary

SURVEILLE-HPV - A new post therapeutic surveillance strategy for HPV-driven oropharyngeal cancer based on HPV Circulating DNA measures. HPV-positive oropharyngeal cancer patients have a much better prognosis that their HPV-negative counterparts. Despite this, Post Treatment Surveillance (PTS) strategy does not take into account HPV status. HPV Circulating DNA (HPV Ct DNA) has emerged as a promising tool to assess the risk of cancer recurrence following treatment. We assume that this biomarker could be helpful to guide PTS. The number of systematic PTS visits could be significantly reduced in patients with undetectable HPV Ct DNA whereas a closer clinical and radiological follow up could be performed in case of detectable HPV Ct DNA. If confirmed, this new strategy could have several benefits including: * reduction of PTS visits for most HPV-positive patients which implies a potential cost decrease and * Identification of relapse at early stages (before the occurrence of symptoms)

Eligibility Criteria

Inclusion Criteria: 1. Patient aged 18 years or over 2. Patient with p16 positive Oropharyngeal squamous cell carcinoma (OPSCC) 3. Clinical stage T1-4, N0-3, M0 (stages I-III) 4. Any tobacco status 5. Life expectancy greater than 36 months 6. Positive HPV16 Ct-DNA measured before curative anticancer treatment 7. Treated by any curative treatment 8. Complete response at 3 months after end of treatment, which means: * Undetectable HPV16 Ct-DNA and no residual disease on imaging (group A) or * Undetectable HPV16 Ct-DNA and suspicious imaging but persistent disease excluded by either biopsy or repeated imaging (group B1) or * Positive HPV16 Ct-DNA and no residual disease on imaging but negative HPV16 Ct-DNA on the subsequent assessment. This second test will be done 1-2 months after the first one (group C1). 9. Patient must be affiliated to a Social Security System (or equivalent) 10. Patients must have signed a written informed consent form prior to any trial specific procedures. If the patient is physically unable to give his/her written consent, a trusted person of his/her choice, note related to the investigator or the sponsor, can confirm in writing the patient's consent. Exclusion Criteria: 1. Uncontrolled intercurrent illness that would limit compliance with study requirements. 2. Active invasive malignancy within 3 years of inclusion except for non-invasive malignancies such as non-melanomatous carcinoma of the skin or ductal carcinoma in situ of the breast that has/have been surgically cured. 3. Any other HPV induced cancer within 5 years 4. Any condition that may jeopardize the patient participation as well as non-contraception for male and female with child-bearing potential, pregnancy or breast-feeding 5. Patient unwilling or unable to comply with the study protocol and follow-up schedule. 6. Participation in another clinical trial with an investigational medical product during the last 30 days prior to the inclusion and during the present study (except if patient is included in the control arm, with placebo or with a product that have a marketed authorization, used as per the summary of product characteristics (SmPC) for the given indication). 7. Patient deprived of liberty or placed under protective custody or guardianship.

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