- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04696744
Prospective Study for the Prognostic and Predictive Role of Circulating Tumor Cells in Patients With Oropharyngeal Squamous Cell Carcinoma: CTCO (Circulating Tumor Cells in the Oropharynx) (CTCO)
Head and neck cancers (HNSCC) are primarily squamous cell cancers represented by tumors of the upper aerodigestive tract. Locally advanced stages (stages III and IV) account for 50 to 70% of all presentations. The three main risk factors are smoking, alcohol and oropharyngeal infection with human papilloma virus (HPV).
Apart from HPV status, there is no biomarker for the prognosis in HSNCC patients. Circulating Tumor Cells (CTCs) can provide "real-time" information on tumor behavior and are already used in various cancers (colon, lung). Their detection has limited sensitivity and biomarkers cannot be used for early diagnosis, but may be useful during follow-up to assess local, regional or metastatic early tumor recurrence.
By using blood samples at different times (at diagnosis, after initial treatment and during follow-up), we will be able to measure the variation in quantification and establish a predictive role of these CTCs for the response to treatment.
Our hypothesis is that CTCs may have a key role, in addition to clinical and radiological examination, in detecting early tumor relapse.
We believe that the joint consideration of clinical parameters, treatment strategy and quantification of CTCs could optimize patient follow-up and management.
The CTC extraction system, ClearCell® FX from Biolidics, is an automated microfluidic enrichment system. It has the advantage of recovering fully intact and viable CTCs from a standard blood sample. The gentle sorting principle allows to preserve cell integrity and thus the expression of surface antigens. The CTCs thus isolated can then be re-cultured or analyzed by immunostaining. This high-performance technique, in operation since December 2017 in the Biochemistry Department of Pr Claire Rodriguez-Lafrasse (HCL), has demonstrated its usefulness in lung cancer.
Transcriptomic analysis of CTCs can be performed at the scale of a cell after isolation of the CTCs. CTCs can then be sequenced in RNAseq either in bulk (pool of cells) or cell by cell on our Illumina (Nextseq) sequencer, in order to define the heterogeneity of the tumor. Transcriptome analysis then provides information on the state of the cell as to its position in the epithelio-mesenchymal transition thanks to a molecular signature by phenotype. A priori-free characterization is therefore possible thanks to the RNAseq single-cell. This highly sensitive and innovative technique will allow the study of the gene expression profile of CTCs.
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Estimated)
Contacts and Locations
Study Contact
- Name: PHILOUZE Pierre, Dr
- Phone Number: 33 426732770
- Email: pierre.philouze@chu-lyon.fr
Study Contact Backup
- Name: Gauthier Arnaud, Dr
- Phone Number: +33 4 78 86 12 42
- Email: arnaud.gauthier@chu-lyon.fr
Study Locations
-
-
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Lyon, France, 69004
- Recruiting
- Service ORL Chirurgie Cervico-faciale (Pr Philippe CERUSE)
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Contact:
- PHILOUZE Pierre, Dr
- Phone Number: 33 426732770
- Email: pierre.philouze@chu-lyon.fr
-
Contact:
- GAUTHIER Arnaud, Dr
- Phone Number: 33 4 78 86 12 42
- Email: arnaud.gauthier@chu-lyon.fr
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Sampling Method
Study Population
Description
Inclusion Criteria:
- Over 18 years of age
- Squamous cell carcinoma proven on biopsy
- Oropharyngeal location
- Curative treatment by Surgery followed by radiotherapy (chemotherapy) Or Radiochemotherapy Or Induction chemotherapy (+/- surgery) + radiotherapy
- Did not object to their participation in the study
Exclusion Criteria:
- Carcinoma of the nasopharynx, larynx, oral cavity or hypopharynx
- Pregnant or breastfeeding woman
Study Plan
How is the study designed?
Design Details
- Observational Models: Cohort
- Time Perspectives: Prospective
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
CTCO
adults with squamous cell carcinoma of the oropharynx with a curative aim
|
The collection and analysis of CTCs will be carried out in the following 6 steps: A blood sample will be taken: a maximum volume of 30 ml on 3 x 10 ml BD Vacutainer® EDTA tubes is required for the study. CTCs will be enumerated and characterized by immunofluorescence after immunostaining with the following antibodies: anticytokeratin, anti-CD44, anti-N-cadherin and anti-PD-L1. • - Secondary criterion(s) : Different tumor and clinical parameters will be analysed to find a correlation with CTC detection Gene expression profiles will be analyzed using the RNAseq single-cell at different times: before treatment, at interim times, and in case of relapse in order to establish correlations between patients at high risk of relapse and their molecular profiles |
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
characterization of CTCs
Time Frame: Day 1
|
The CTCs will be extracted using Biolidic's ClearCell automaton which uses a microfluidic technique. The CTCs will be enumerated and characterized in immunofluorescence after immunostaining with the following antibodies: anticytokeratin, anti-CD44, anti-N-cadherin and anti-PD-L1. |
Day 1
|
characterization of CTCs
Time Frame: Month 4
|
The CTCs will be extracted using Biolidic's ClearCell automaton which uses a microfluidic technique. The CTCs will be enumerated and characterized in immunofluorescence after immunostaining with the following antibodies: anticytokeratin, anti-CD44, anti-N-cadherin and anti-PD-L1. |
Month 4
|
characterization of CTCs
Time Frame: Month 10
|
The CTCs will be extracted using Biolidic's ClearCell automaton which uses a microfluidic technique. The CTCs will be enumerated and characterized in immunofluorescence after immunostaining with the following antibodies: anticytokeratin, anti-CD44, anti-N-cadherin and anti-PD-L1. |
Month 10
|
characterization of CTCs
Time Frame: Month 18
|
The CTCs will be extracted using Biolidic's ClearCell automaton which uses a microfluidic technique. The CTCs will be enumerated and characterized in immunofluorescence after immunostaining with the following antibodies: anticytokeratin, anti-CD44, anti-N-cadherin and anti-PD-L1. |
Month 18
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Philouze Pierre, Dr, Service ORL Chirurgie Cervico-faciale
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
Keywords
Additional Relevant MeSH Terms
- Pathologic Processes
- Neoplasms by Histologic Type
- Neoplasms
- Neoplasms by Site
- Carcinoma
- Neoplasms, Glandular and Epithelial
- Pharyngeal Neoplasms
- Otorhinolaryngologic Neoplasms
- Head and Neck Neoplasms
- Pharyngeal Diseases
- Stomatognathic Diseases
- Otorhinolaryngologic Diseases
- Neoplastic Processes
- Neoplasm Metastasis
- Neoplasms, Squamous Cell
- Carcinoma, Squamous Cell
- Squamous Cell Carcinoma of Head and Neck
- Oropharyngeal Neoplasms
- Neoplastic Cells, Circulating
Other Study ID Numbers
- 69HCL20_0446
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
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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