Using precision medicine to choose chemotherapy for metastatic colorectal cancer

Is this trial a fit for you?

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

COSENSE-1 is a phase II, single-arm feasibility study that aims to evaluate the effectiveness of a functional precision medicine platform in selecting between oxaliplatin-based and irinotecan-based chemotherapy regimens for patients with metastatic colorectal cancer. The study will assess the feasibility of generating valid tumouroid response reports and measure treatment efficacy through various endpoints, including progression-free survival and overall survival. Participants will be closely monitored for treatment response and toxicity, with the goal of optimizing the functional assay for clinical practice.

Why it matters

Who can join: the full rules

Inclusion Criteria:

General conditions:

1. Age 18 or older
2. ECOG performance status 0 or 1
3. Obtained informed consent
4. Acceptable organ function (defined in publicly available protocol)
5. Women of child-bearing potential and men must agree to use highly effective contraception (defined in publicly available protocol)

   Disease and treatment specific conditions:
6. Histologically confirmed pMMR/MSS adenocarcinoma originating from the colon or rectum
7. Unresectable metastatic disease (not amenable to radical surgery of the cancer disease at the time of study inclusion)
8. Patient has metastatic or primary lesion available for biopsy
9. Patient has measurable or evaluable disease per RECIST (version 1.1)
10. The oxaliplatin-based regimen FOLFOX (+/- antibody) versus the irinotecan-based regimen FOLFIRI (+/- antibody), are evaluated by an experienced physician, independent of inclusion in the trial, to be equally recommended for the participant as standard of care first-line therapy in the treatment of mCRC, following the Norwegian national guideline on the treatment of colorectal cancer (https://www.helsedirektoratet.no/retningslinjer/kreft-i-tykktarm-og-endetarm-handlingsprogram)
11. Patient is eligible for full (100%) chemotherapy doses at first treatment cycle
12. Treatment with chemotherapy can be scheduled within 28 days from referral

Exclusion Criteria:

1. Patient has metastatic MMR deficient/MSI adenocarcinoma
2. Patient is ineligible for full (100%) chemotherapy doses at first treatment cycle
3. Patient is not equally eligible for FOLFOX (+/- antibody) and FOLFIRI (+/- antibody) chemotherapy regimens, according to the Norwegian national guideline on the treatment of colorectal cancer
4. ECOG performance status 2 or worse
5. Pregnancy or planned pregnancy during the study period, due to the risks of drug treatment to a developing foetus
6. Breastfeeding
7. Patients with psychological, geographical, familial or sociological conditions that can prevent compliance with the study protocol
8. Inability to understand study procedures and comply with them, or disorder that compromises the patient's ability to provide informed consent and/or comply with study procedures
9. Patient fulfils any of the contraindications listed in the SmPC of the relevant IMP
10. Treatment cannot be scheduled within 28 days from referral

    Medical history:
11. Partial or complete dihydropyrimidine dehydrogenase (DPD) deficiency
12. Evidence of CNS metastasis
13. Unresolved toxicities of a previous systemic treatment that, in the opinion of the physician, make the patient unfit for inclusion
14. Antitumoural treatment ≤ 30 days before inclusion. Hormonal substitutive treatment is allowed
15. Preexisting significant cardiovascular disease including uncontrolled/unstable or symptomatic angina, uncontrolled atrial or ventricular arrythmias, LVEF known to be \< 40% or symptomatic congestive heart failure
16. Stroke (including TIA) or acute myocardial infarction within 6 months before the first dose of study treatment
17. Clinically significant peripheral sensory neuropathy
18. Recent (\<6 months before the start of study treatment) pulmonary embolism, deep vein thrombosis, or another significant thromboembolic event
19. History of interstitial pneumonitis or pulmonary fibrosis or evidence of interstitial pneumonitis or pulmonary fibrosis on chest computed tomography (CT)
20. Evidence of previous acute hypersensitivity reaction to any component of the treatment
21. History of any disease that may increase the risks associated with study participation

Where it's running

• St. Olavs Hospital
  Trondheim, Norway Recruiting

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How to take part

1. Review the eligibility criteria above with your treating physician.
2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.