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ACTIVE NOT RECRUITING

NCT05487248

A Study of On-treatment ctDNA Changes in Chemo-refractory Colorectal Cancer Patients

Sponsor: Jules Bordet Institute

View on ClinicalTrials.gov

Summary

COPERNIC is an international, multicentre, single-arm study. Chemo-refractory mCRC subjects who meet all eligibility criteria will be treated with standard systemic chemotherapy (the decision about the treatment regimen being made by the treating physician) and undergo tumour assessment by standard imaging (either CT scan or MRI scan) at baseline and every 8 or 12 weeks until evidence of tumour progression. Response to treatment will be assessed by the local investigators according to the RECIST criteria version 1.1. Blinded, independent central review of the imaging scan will be carried out, this having no impact on treatment decisions thatwhich will remain the prerogative of the treating physician. Serial blood samples from study subjects will be collected at pre-defined time points for ctDNA testing. Also, archived tumour tissue from each subject will be collected. Prospective and retrospective ctDNA analyses on blood samples will be carried out, and dynamics of ctDNA will be correlated with treatment outcomes prognosis.

Key Details

Gender

All

Age Range

18 Years - Any

Study Type

INTERVENTIONAL

Enrollment

103

Start Date

2023-10-12

Completion Date

2026-12-12

Last Updated

2026-01-06

Healthy Volunteers

Conditions

Unresectable Locally Advanced Colorectal Cancer Metastatic Colorectal Cancer Candidate for Third-line or Subsequent Lines of Therapy

Interventions

OTHER

Blood Sample Collection

For subjects receiving treatments with a 2- or 4-weekly schedule, samples for ctDNA testing will be collected at the following timepoints: Blood : * Before treatment start (day 1) * 2 weeks after treatment start (day 15) Plasma : * Before the treatment start (day 1) * 4 weeks after treatment start (day 29) * 8 or 12 weeks after treatment start and every 8 or 12 weeks thereafter (i.e. at the same time of each imaging tumour assessment) until evidence of progressive disease by RECIST 1.1 For subjects receiving treatments with a 3-weekly schedule, samples for ctDNA testing will be collected at the following timepoints: Blood : * Before treatment start (day 1) * 3 weeks after treatment start (day 22) Plasma : * Before treatment start (day 1) * 6 weeks after treatment start (day 43) * 8 or 12 weeks after treatment start and every 8 or 12 weeks thereafter (i.e. at the same time of each imaging tumour assessment) until evidence of progressive disease by RECIST 1.1

Inclusion Criteria: 1. Age ≥ 18 years old 2. Male or female 3. ECOG performance status ≤2 4. Must have histologically or cytologically verified colorectal cancer adenocarcinoma 5. Inoperable locally advanced or metastatic disease 6. Presence of measurable disease (by RECIST criteria version 1.1) on baseline CT scan of the thorax/abdomen/pelvis or CT scan of the thorax and MRI of the abdomen/pelvis 7. At least two prior systemic treatments for advanced/metastatic colorectal cancer including oxaliplatin and irinotecan-based therapy (adjuvant or neoadjuvant systemic chemotherapy will be considered if tumour progression was documented within 6 month of the last chemotherapy dose) 8. Candidate for standard third-line or subsequent lines of therapy as per decision of the treating physician 9. Life expectancy of at least 3 months 10. Women of childbearing potential must have a negative serum pregnancy test done within 28 days prior to enrolment. 11. Effective contraception is in place for women of childbearing potential. 12. Completion of all necessary screening procedures within 28 days prior to enrolment. 13. Availability of archived tumour tissue 14. Signed Informed Consent form (ICF) obtained prior to any study related procedure. Inclusion criterion applicable to FRANCE only 15. Affiliated to the French Social Security System Exclusion Criteria: 1. Tumours other than colorectal cancer 2. Histologies other than adenocarcinoma 3. Any baseline medical condition that would contraindicate the use of systemic chemotherapy or may preclude the regular administration of the same 4. Any psychiatric condition that would prohibit the understanding or rendering of informed consent 5. Other invasive malignancy within 3 years except for non-invasive malignancies such as cervical carcinoma in situ, non-melanomatous carcinoma of the skin or ductal carcinoma in situ of the breast that has/have been surgically cured 6. Subject with a significant medical, neuro-psychiatric, or surgical condition, currently uncontrolled by treatment, which, in the principal investigator's opinion, may interfere with completion of the study. 7. Pregnant and/ or lactating women Exclusion criterion applicable to FRANCE only 8. Vulnerable persons according to the article L.1121-6 of the Public Health Code, adults who are the subject of a measure of legal protection or unable to express their consent according to article L.1121-8 of the Public Health Code.

Locations (12)

Institut Jules Bordet

Anderlecht, Belgium

UZ Antwerpen

Antwerp, Belgium

CHIREC Delta

Brussels, Belgium

CHU Ambroise Pare

Mons, Belgium

Cliniques Universitaires Saint Luc

Woluwe-Saint-Lambert, Belgium

Centre Georges François Leclerc

Dijon, France

Hopital Franco-Britannique - Fondation Cognacq-Jay

Levallois-Perret, France

Hopital privé Jean Mermoz

Lyon, France

Hopital St-Louis

Paris, France

CHU Poitiers

Poitiers, France

ICO Saint-Herblain

Saint-Herblain, France

ICANS Strasbourg

Strasbourg, France