E.1 Medical condition or disease under investigation |
E.1.1 | Medical condition(s) being investigated |
dMMR and/or MSI metastatic colorectal cancer |
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E.1.1.1 | Medical condition in easily understood language |
metastatic colorectal cancer |
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E.1.1.2 | Therapeutic area | Diseases [C] - Cancer [C04] |
MedDRA Classification |
E.1.2 Medical condition or disease under investigation |
E.1.2 | Version | 21.0 |
E.1.2 | Level | PT |
E.1.2 | Classification code | 10052360 |
E.1.2 | Term | Colorectal adenocarcinoma |
E.1.2 | System Organ Class | 10029104 - Neoplasms benign, malignant and unspecified (incl cysts and polyps) |
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E.1.3 | Condition being studied is a rare disease | No |
E.2 Objective of the trial |
E.2.1 | Main objective of the trial |
-To assess the safety (grade 3 or 4 AEs) profile according to NCI Common Terminology Criteria for Adverse Events (NCI CTCAE) v5.0 of two different combination schemes of nivolumab plus ipilimumab during the first 24 weeks of treatment, - To assess PFS at week 24 for two combination schemes.
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E.2.2 | Secondary objectives of the trial |
- To assess the safety (AEs, treatment-related AEs and immune-related AEs [iAEs]) and tolerability of two combination schemes, - To assess ORR of two combination schemes at weeks 24 and 48, and at 2 years (RECIST v1.1), - To assess PFS of two combination schemes at week 48 and at 2 years (RECIST v1.1), - To assess PFS of two combination schemes at weeks 24 and 48, and at 2 years (iRECIST), - To assess OS of two combination schemes at week 48 and at 2 years (RECIST v1.1), - To evaluate the percentage of patients who received immune modulating concomitant medication (e.g., corticosteroids, infliximab, mycophenolate mofetil), - To evaluate the percentage of patients who received hormonal replacement therapy for immune-related endocrine toxicities, - To assess median time to onset and median time to resolution (grade 3-4) of serious AEs (SAEs) and TRAEs, - To evaluate changes in HRQoL and patient-reported outcomes (EORTC QLQ-C30 and PRO-CTCAE).
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E.2.3 | Trial contains a sub-study | Yes |
E.2.3.1 | Full title, date and version of each sub-study and their related objectives |
- To explore potential biomarkers associated with the clinical efficacy under two combination schemes, - To explore potential biomarkers associated with resistance to immunotherapy, - To evaluate the correlation between the toxicity/efficacy and PK parameters, - To evaluate the correlation between the toxicity/efficacy and the presence of sarcopenia, - To identify predictive biomarkers of resistance to nivolumab and ipilimumab, - To identify differential changes in the tumor microenvironment, - To identify differential changes in tumor cells. |
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E.3 | Principal inclusion criteria |
1. Signed and dated patient informed consent form and willingness to comply with all study procedures and availability for the study duration, 2. Age ≥ 18 years, 3. Eastern Cooperative Oncology Group performance status (ECOG PS) of 0, 1, or 2, 4. Histologically or cytologically confirmed colorectal adenocarcinoma, 5. Documented advanced or metastatic disease not suitable for complete surgical resection, 6. At least one measurable lesion as assessed by CT-scan or magnetic resonance imaging (MRI) according to RECIST v1.1 and feasibility of repeated radiological assessments. Participants with lesions in a previously irradiated field as the sole site of measurable disease will be permitted to enroll provided the lesion(s) have demonstrated clear progression and can be measured accurately, 7. dMMR and/or MSI tumor status defined by: - Loss of MMR protein expression using immunohistochemistry with two (anti-MLH1 and anti-MSH2 or anti-MSH6, and anti-PMS2) or four (anti-MLH1, anti-MSH2, anti-MSH6, and anti-PMS2) antibodies, - and/or ≥ two instable markers by pentaplex polymerase chain reaction (BAT-25, BAT-26, NR-21, NR-24, and NR-27), NB: Agreement of the Sponsor (GERCOR) is mandatory to include the patient (the patient’s file will be verified to confirm MSI/dMMR status before inclusion [an anonymized fax] and confirmation of a patient’s allocation will be sent by mail to the Investigator within 24h), 8. No or one prior line of systemic treatment for metastatic disease: - No prior systemic treatment; if patient received neoadjuvant/adjuvant therapy this therapy should be completed > 6 months prior the diagnosis of metastatic or recurrent disease is made, - Maximum one prior line of systemic treatment; if patient received one prior line of systemic therapy in the metastatic setting and experienced progression or patient received neoadjuvant/adjuvant therapy and experienced recurrence within ≤ 6 months after completion of therapy, 9. Availability of a representative tumor specimen for exploratory translational research; tumor tissue specimens, either formalin-fixed, paraffin-embedded (FFPE) tissue block or unstained tumor tissue sections (minimum of 30 positively charged slides) from primary or metastatic site must be submitted to the central laboratory, 10. Adequate hematologic and end-organ function, defined by the following laboratory test results, obtained within 14 days prior to initiation of study treatment: - Hematological status: o White blood cell > 2000/µL; o Neutrophils > 1500/µL; o Platelets > 100.000/µL; o Hemoglobin > 9.0 g/dL; - Adequate renal function: o Serum creatinine level < 150 µM; - Adequate liver function: o Serum bilirubin ≤ 1.5 x upper normal limit (ULN); o Alkaline phosphatase (ALP) ≤ 3 x ULN; o Alanine aminotransferase (ALT) ≤ 3.0 x ULN ; o Aspartame aminotransferase (AST) ≤ 3.0 x ULN; o Prothrombin time (PT)/International normalized ratio (INR) and partial PT (PTT) ≤ 1.5 x ULN unless participants are receiving anticoagulant therapy and their INR is stable and within the recommended range for the desired level of anticoagulation, 11. Females of childbearing potential must have negative serum pregnancy test within 7 days before starting study treatment, 12. Women of childbearing potential should use effective contraception during treatment and 5 months thereafter. Males should use condoms during treatment and 7 months thereafter, 13. Registration in a national health care system (Protection Universelle Maladie [PUMa] included).
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E.4 | Principal exclusion criteria |
1. Known brain metastases or leptomeningeal metastases, 2. Persistence of toxicities related to prior chemotherapies grade > 1 (NCI CTCAE v5.0; except alopecia, fatigue, or peripheral sensory neuropathy, which can be grade 2), 3. Concomitant unplanned antitumor therapy (e.g. chemotherapy, molecular targeted therapy, radiotherapy, immunotherapy), 4. Major surgical procedure within 4 weeks prior to initiation of study treatment, 5. Prior treatment with an anti-PD1, anti-PD-L1, anti-PD-L2, anti-CTLA-4 antibody, or any other antibody or drug specifically targeting T-cell co-stimulation or immune checkpoint pathways, including prior therapy with anti-tumor vaccines or other immuno-stimulatory antitumor agents, 6. Patients receiving any investigational drug, biological, immunological therapy within the previous 28 days before study treatment, 7. Impossibility of submitting to the medical follow-up of the study for geographical, social or psychic reasons, 8. Patients with an active, known or suspected autoimmune disease. Patients with type I diabetes mellitus, hypothyroidism only requiring hormone replacement, skin disorders (such as vitiligo, psoriasis, or alopecia) not requiring systemic treatment, or conditions not expected to recur in the absence of an external trigger are permitted to be enrolled, 9. History of interstitial lung disease or pneumonitis, 10. Patients with a condition requiring systemic treatment with either corticosteroids (>10 mg daily prednisone or equivalent) or other immunosuppressive medications within 14 days of randomization. Inhaled or topical steroids, and adrenal replacement steroid doses >10 mg daily prednisone or equivalent are permitted in the absence of active autoimmune disease, 11. Prior malignancy active within the previous 3 years, except for: - Locally curable cancers that have been apparently cured (e.g. squamous cell skin cancer, superficial bladder cancer, or carcinoma in situ of the prostate, cervix, or breast); - Lynch syndrome-related non-colorectal cancer in complete remission for > 1 year; 12. Active hepatitis B (defined as having a positive hepatitis B surface antigen [HBsAg] test prior to randomization) virus (HBV) or hepatitis C virus (HCV), or human immunodeficiency virus (HIV) infection. Patients with past HBV infection or resolved HBV infection (defined as having a negative HBsAg test and a positive antibody to hepatitis B core antigen antibody test) are eligible. Patients positive for HCV antibody are eligible only if polymerase chain reaction testing is negative for HCV ribonucleic acid. 13. Prior allogeneic bone marrow transplantation or prior solid organ transplantation, 14. Any serious or uncontrolled medical disorder that, in the opinion of Investigator, may increase the risk associated with study participation or study drug administration, impair the ability of the participant to receive protocol therapy, or interfere with the interpretation of study results, 15. Known allergy/hypersensitivity to any component of study agents, 16. Administration of a (attenuated) live vaccine within 28 days of planned start of study therapy of known need for this vaccine during treatment, 17. Patient on tutelage or guardianship
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E.5 End points |
E.5.1 | Primary end point(s) |
- Grade 3 or 4 AEs during the first 24 weeks (NCI CTCAE v5.0), - PFS at week 24 (RECIST v1.1).
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E.5.1.1 | Timepoint(s) of evaluation of this end point |
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E.5.2 | Secondary end point(s) |
- AEs (NCI CTCAE v5.0), - Treatment-related AEs and iAEs, - ORR - PFS - PFS and ORR - OS - Percentage of patients who received immune modulating concomitant medication (e.g., corticosteroids, infliximab, mycophenolate mofetil), - Percentage of patients who received hormonal replacement therapy for immune-related endocrine toxicities, - Median time to onset, median time to resolution (grade 3-4) of SAEs and TRAEs, - HRQoL (EORTC QLQ-C30 and NCI-PRO-CTCAE). |
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E.5.2.1 | Timepoint(s) of evaluation of this end point |
- AEs : at every visit during treatment and at 100 days after treatment ends(NCI-CTCAE version 5.0) - ORR: 24 weeks; 48 weeks and 2 years(RECIST v1.1) - PFS: 24 weeks; 48 weeks and 2 years(RECIST v1.1) - OS: weeks 24 and 48, and at 2 years (RECIST v1.1), - until 108 weeks of the last patient randomized - until 28 days after the last dose |
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E.6 and E.7 Scope of the trial |
E.6 | Scope of the trial |
E.6.1 | Diagnosis | No |
E.6.2 | Prophylaxis | No |
E.6.3 | Therapy | No |
E.6.4 | Safety | Yes |
E.6.5 | Efficacy | Yes |
E.6.6 | Pharmacokinetic | Yes |
E.6.7 | Pharmacodynamic | Yes |
E.6.8 | Bioequivalence | No |
E.6.9 | Dose response | No |
E.6.10 | Pharmacogenetic | No |
E.6.11 | Pharmacogenomic | No |
E.6.12 | Pharmacoeconomic | No |
E.6.13 | Others | Yes |
E.6.13.1 | Other scope of the trial description |
ancillary studies (tumor/biopsy and PBMC) |
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E.7 | Trial type and phase |
E.7.1 | Human pharmacology (Phase I) | No |
E.7.1.1 | First administration to humans | No |
E.7.1.2 | Bioequivalence study | No |
E.7.1.3 | Other | No |
E.7.1.3.1 | Other trial type description | |
E.7.2 | Therapeutic exploratory (Phase II) | Yes |
E.7.3 | Therapeutic confirmatory (Phase III) | No |
E.7.4 | Therapeutic use (Phase IV) | No |
E.8 Design of the trial |
E.8.1 | Controlled | No |
E.8.1.1 | Randomised | Yes |
E.8.1.2 | Open | Yes |
E.8.1.3 | Single blind | No |
E.8.1.4 | Double blind | No |
E.8.1.5 | Parallel group | No |
E.8.1.6 | Cross over | No |
E.8.1.7 | Other | No |
E.8.2 | Comparator of controlled trial |
E.8.2.1 | Other medicinal product(s) | No |
E.8.2.2 | Placebo | No |
E.8.2.3 | Other | No |
E.8.2.4 | Number of treatment arms in the trial | 2 |
E.8.3 |
The trial involves single site in the Member State concerned
| No |
E.8.4 | The trial involves multiple sites in the Member State concerned | Yes |
E.8.4.1 | Number of sites anticipated in Member State concerned | 20 |
E.8.5 | The trial involves multiple Member States | No |
E.8.6 Trial involving sites outside the EEA |
E.8.6.1 | Trial being conducted both within and outside the EEA | No |
E.8.6.2 | Trial being conducted completely outside of the EEA | No |
E.8.7 | Trial has a data monitoring committee | No |
E.8.8 |
Definition of the end of the trial and justification where it is not the last
visit of the last subject undergoing the trial
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E.8.9 Initial estimate of the duration of the trial |
E.8.9.1 | In the Member State concerned years | 5 |
E.8.9.1 | In the Member State concerned months | 0 |
E.8.9.1 | In the Member State concerned days | 0 |