- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05710679
Prediction of Residual Disease by Circulating DNA Detection After Potentiated Radiotherapy for Locally Advanced Head and Neck Cancer (NeckTAR)
Sixty percent of newly diagnosed head and neck squamous cell carcinomas (HNSCCs) are at a locally advanced (LA) stage. Depending on tumor site, stage, and resectability, locoregional failure rates can range from 35% to 65%. The persistence of residual disease at the end of treatment is a major prognostic element but is not always reliably assessed by current imaging techniques. Up to 40-50% of patients have residual adenomegaly and only 30% have viable disease when further adenectomy is performed. Sensitive and reproducible detection of residual disease after treatment is a major challenge in this patient category.
18F-fluorodeoxyglucose (18F-FDG) positron emission tomography-computed tomography (PET/CT) guided surveillance, with a negative predictive value of 95-97%, has proven to be non-inferior to cervical curage in HNSCCs with residual adenomegaly. Cervical curage is now indicated only if the response assessed by PET-CT is incomplete. Nevertheless, the ability of PET-CT to predict treatment failure is unsatisfactory due to a high frequency of false positives, because of inflammatory changes, with a positive predictive value of about 20-50%.
Circulating tumor DNA (ctDNA) may provide a more reliable assessment of response to potentiated radiotherapy. Liquid biopsy monitoring of response in patients treated with potentiated radiation therapy for locally advanced HNSCCs a has been shown to be feasible. In 85% of patients, ctDNA is detectable and correlates significantly with tumor volume and response to treatment. In addition, one study showed that post-radiotherapy analysis of circulating HPV16 viral DNA (cvDNA) in patients with HPV16-related HNSCCs complemented PET-CT and helped guide management decisions. HPV16 cvDNA and PET-CT have similar negative predictive values, whereas the positive predictive value is higher for HPV16 cvDNA (100% versus 50%). Nevertheless, current data are insufficient to allow routine use of this marker.
This is a multicenter, single arm, open study for patients with a locally advanced head and neck cancer for which a potentiated radiotherapy is indicated.
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Estimated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Angeline GINZAC COUVÉ, PhD
- Phone Number: +33 0463663337
- Email: angeline.ginzac@clermont.unicancer.fr
Study Locations
-
-
-
Grenoble, France
- Not yet recruiting
- CHU de Grenoble Alpes
-
Principal Investigator:
- Christian Christian, Pr
-
Lyon, France
- Not yet recruiting
- Hopital de la Croix-Rousse
-
Principal Investigator:
- Philippe CÉRUSE, Pr
-
Saint-Étienne, France
- Not yet recruiting
- CHU de Saint-Etienne
-
Principal Investigator:
- Yann LELONGE, Dr
-
-
Puy-de-Dôme
-
Clermont-Ferrand, Puy-de-Dôme, France, 63011
- Recruiting
- Centre Jean Perrin
-
Contact:
- Angeline GINZAC COUVÉ
- Email: angeline.ginzac@clermont.unicancer.fr
-
Principal Investigator:
- Maureen BERNADACH, Dr
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Age ≥ 18 years and ≤ 80 years
- Histologically confirmed, never treated squamous cell carcinoma with lymph node involvement
- Stage III (N1), stage IVa (minimum N1) or IVb, resectable but not operated or unresectable, with indication for potentiated radiotherapy
- Oral cavity, oropharynx, hypopharynx or larynx, cervical adenopathies without primary
- Availability of FFPE samples prior to treatment initiation
- Detection of circulating DNA in the initial blood sample
- Detection of tumor-specific variants in FFPE and leukocytes
- Obtaining informed consent from the patient
- Affiliation to the French social security system
Exclusion Criteria:
- Tumor of the nasopharynx, sinuses, nasal cavity, salivary glands or thyroid cancer
- Treatment by exclusive radiotherapy
- Contraindication to cervical lymph node dissection
- Metastatic disease (stage IVc)
- Previous treatment for head and neck cancer
- History of other cancer in the last 3 years (except carcinoma in situ, basal cell skin carcinoma, localized prostate cancer Gleason 6)
- Pregnant or breastfeeding woman
- Patient under guardianship or curators
- Psychological disorder (cognitive disorders, vigilance disorders, etc.) or social reasons (deprivation of liberty by judicial or administrative decision) or geographical reasons that could compromise the medical follow-up of the trial or compliance with the treatment
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Other
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Interventional
|
The intervention consist in a blood sample that will be taken twice :
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Rate of patients with incomplete cervical lymph node response on PET-CT after radiation therapy potentiated having circulating DNA (cDNA)
Time Frame: 3 months after potentiated radiotherapy
|
Presence/absence of circulating DNA after treatment versus presence/absence of residual disease
|
3 months after potentiated radiotherapy
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
cDNA detection rate among patients with residual adenomegaly after treatment
Time Frame: at three-months after potentiated radiotherapy.
|
The detection of cDNA and response on CT-Scan will be compared
|
at three-months after potentiated radiotherapy.
|
Assessment of the prognostic value of cDNA detection 3 months after the end of potentiated radiotherapy for patients with residual adenomegaly
Time Frame: at three-months after potentiated radiotherapy.
|
Evaluated by overall and progression-free survival
|
at three-months after potentiated radiotherapy.
|
Assessment of the prognosis value of the presence of residual adenomegaly
Time Frame: At month 27
|
Evaluated by overall and progression-free survival
|
At month 27
|
Rate of concordance of mutational profiles and Human papillomavirus-high risk (HPV-HR) genotypes between the primary tumor and cDNAs at diagnosis
Time Frame: Inclusion
|
evaluated the mutational profiles from FFPE block and the inclusion blood sample
|
Inclusion
|
Rate of concordance between p16 immunohistochemistry and HPV-HR genotyping on the primary tumor
Time Frame: Inclusion
|
Inclusion
|
|
Test of the concordance between real-time polymerase chain reaction (PCR) and NGS on formalin-fixed paraffin-embedded (FFPE) for simultaneous detection and genotyping of HPV-HR at diagnosis
Time Frame: Inclusion
|
Inclusion
|
|
Number of patients with ctDNA and cvDNA detection at diagnosis and the clinical, paraclinical and pathological features of the cancer
Time Frame: Through study completion, an average of 66 months
|
Through study completion, an average of 66 months
|
|
Evaluation of interobserver reproducibility of the interpretation of SUVmax measurements of residual cervical adenomegaly.
Time Frame: 3 months after potentiated radiotherapy
|
A centralized review of the PET-CT will be done by the sponsor to evaluate the reproducibility of the interpretation of SUVmax measurements of residual cervixal adenomegaly (pathological/benign/equivocal)
|
3 months after potentiated radiotherapy
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Maureen BERNADACH, MD, Centre Jean Perrin
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Estimated)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 2022-A01668-35
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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