iRECIST Evaluation's Relevance for DCR in MMR/MSI Metastatic Colorectal Cancer Patients on Nivolumab and Ipilimumab

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

ACTIVE_NOT_RECRUITING

Clinical Phase

PHASE2

Total Enrollment

57 participants

Study Classification

INTERVENTIONAL

Study Start Date

2017-12-04

Study Completion Date

2025-12-31

Brief Summary

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This is a non-randomized study, open label phase II study. The purpose of this study is to evaluate disease control rate (DCR) by RECIST and iRECIST at 12 weeks.

Evaluation of RECIST and iRECIST will be done in each center in order to choose the optimal therapy (Assessment by Investigators).

A centralized evaluation of RECIST and iRECIST, will be organized in Saint-Antoine.

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Detailed Description

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Recent studies have shown sensitivity to immunotherapy treatment in patients with metastatic colorectal cancer with a dMMR tumor. The association nivolumab plus ipilimumab demonstrated encouraging results with durable responses in these patients.

The criteria for assessing responses for solid tumors are currently based on RECIST 1.1, which are well correlated with the clinical response to chemotherapy. However, in patients treated with immunotherapy, such criteria are less accurate, as already demonstrated in the treatment of metastatic melanoma, but not yet in other malignant tumors.

Therefore, we hope with this study, to identify more accurate imaging criteria that could help oncologists to make optimal decisions for treatment.

Conditions

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Metastatic Cancer Colorectal

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Experimental arm

Therapy induction (12 weeks) Nivolumab (IV) and Ipilimumab (IV) - every 21 days - 4 cycles Then Nivolumab (IV) alone every 15 days - 20 cycles - until 12 months

Group Type EXPERIMENTAL

Ipilimumab 200 MG in 40 ML Injection

Intervention Type DRUG

Induction therapy (12 weeks):

Nivolumab 3mg/kg intravenously (IV) over 60 minutes and Ipilimumab 1mg/kg (IV) over 90 minutes Q3W

Nivolumab 10 MG/ML

Intervention Type DRUG

Induction therapy (12 weeks) :

Nivolumab 3mg/kg intravenously (IV) over 60 minutes and Ipilimumab 1mg/kg (IV) over 90 minutes Q3W

Maintenance therapy (40 weeks):

Nivolumab monotherapy IV over 60 minutes Q2W until iRECIST progression or if no PD for one year.

Interventions

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Ipilimumab 200 MG in 40 ML Injection

Induction therapy (12 weeks):

Nivolumab 3mg/kg intravenously (IV) over 60 minutes and Ipilimumab 1mg/kg (IV) over 90 minutes Q3W

Intervention Type DRUG

Nivolumab 10 MG/ML

Induction therapy (12 weeks) :

Nivolumab 3mg/kg intravenously (IV) over 60 minutes and Ipilimumab 1mg/kg (IV) over 90 minutes Q3W

Maintenance therapy (40 weeks):

Nivolumab monotherapy IV over 60 minutes Q2W until iRECIST progression or if no PD for one year.

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

1. Signed and dated informed consent,
2. For female patients of childbearing potential, negative pregnancy test within 7 days before starting the study drug,
3. Men and women are required to use adequate birth control during the study (when applicable):

Within the frame of this study, female participants of childbearing potential and male participants with partners of childbearing potential must agree to use a highly effective method of birth control (i.e., pregnancy rate of less than 1% per year) during the period of treatment and for 5 months for women and 7 months for men from the last treatment administration. Men must refrain from donating sperm during this same period.

Contraceptive methods that result in a low failure rate when used consistently and correctly include methods such as combined hormonal contraception associated with inhibition of ovulation (oral, intravaginal, transdermal), progestogen-only hormonal contraception associated with inhibition of ovulation (oral, injectable, implantable), some intrauterine devices, intrauterine hormone-releasing stem, true sexual abstinence (when this is in line with the preferred and usual lifestyle of the participant), bilateral tubal occlusion, or a female partner who is not of childbearing potential or a male partner who has had a vasectomy. Women and female partners using hormonal contraceptive must also use a barrier method i.e. condom or occlusive cap (diaphragm or cervical/vault caps).

A woman is considered to be of childbearing potential if she is postmenarcheal, has not reached a postmenopausal state (\>12 continuous months of amenorrhea with no identified cause other than menopause), and has not undergone surgical sterilization (removal of ovaries and/or uterus).
4. Histologically proven metastatic adenocarcinoma of the colon and/or rectum,
5. Subjects must be willing and able to comply with scheduled visits, treatment schedule, laboratory tests, tumor biopsies, and other requirements of the study,
6. dMMR DNA (protein expression by ICH and/or MSI by PCR):

* Tumor MMR and/or MSI will be assessed per local guidelines: ICH with two (anti-MLH1 and anti-MSH2) or four antibodies (anti-MLH1, anti-MSH2, anti-MSH6 and anti-PMS2) and/or PCR (with PROMEGA: BAT25, BAT26, NR21, NR24, NR27\]) by the investigators prior to screening,
* In ICH, the extinction of MLH1 (+/- PMS2), or MSH2 (+/- MSH6), or MSH6, or PMS2 alone is necessary for inclusion (dMMR),
* In PCR, we recommended pentaplex panel (BAT25, BAT26, NR21, NR24, and NR27). Tumor samples with instability in 0, 1, or ≥2 markers were identified as MSS, MSI-L, and MSI-H, respectively. Only tumor samples with ≥2 instable markers are necessary for inclusion (MSI-H).

Agreement of the SPONSOR (GERCOR) will be mandatory to include a patient. GERCOR will check every patient's file to confirm the dMMR/ MSI-H patient's status before inclusion (an anonymized fax. The confirmation of a patient's allocation will be immediately sent by mail to the investigator).
7. Age ≥18 years,
8. The Eastern Cooperative Oncology Group Performance status (ECOG PS) 0-1,
9. Progression during, after, or who are intolerant or have contraindication to approved standard therapies for the metastatic disease which must include at least:

* Fluoropyrimidine, and oxaliplatin and irinotecan.
* Anti-EGFR therapy if wild-type RAS and RAF and anti-VEGF therapy,
10. Hematological status: absolute neutrophil count (ANC) ≥1.5x109/L; platelets ≥100x109/L; hemoglobin ≥9g/dL,
11. Adequate renal function: serum creatinine level \<150µM,
12. Adequate liver function: serum bilirubin ≤1.5 x upper normal limit (ULN), alkaline phosphatase \<5xULN, alanine aminotransferase (ALAT) and aspartame aminotransferase (ASAT) ≤3.0x ULN (≤5.0x ULN for patients with liver involvement of their cancer),
13. Registration in a National Health Care System (CMU included),
14. Subjects must have measurable disease per RECIST 1.1. Subjects 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,
15. Subject willing to comply to provide primary and metastatic tumor tissue (archival or fresh biopsy specimen), including possible pre-treatment biopsy, for PD-L1 expression analysis and other biomarker correlative studies,
16. At least one target lesion on CT,
17. No contraindication to Iodine contrast media injection during CT

Exclusion Criteria

Patients who meet any of the following criteria will be excluded from study entry:

1. Concomitant unplanned antitumor therapy (e.g. chemotherapy, molecular targeted therapy, immunotherapy),
2. Unresolved toxicity higher than Grade 1, NCI-CTCAE v 4.03, attributed to any prior therapy
3. Treatment with any investigational medicinal product within 28 days prior to study entry,
4. Major surgical procedure within 4 weeks prior to initiation of study treatment,
5. Other serious and uncontrolled non-malignant disease (including active infection),
6. Other concomitant or previous malignancy, except: i/ adequately treated in-situ carcinoma of the uterine cervix, ii/ basal or squamous cell carcinoma of the skin, iii/ cancer in complete remission for \>5 years,
7. Pregnant or breastfeeding women,
8. History of autoimmune disease including but not limited to myasthenia gravis, myositis, autoimmune hepatitis, systemic lupus erythematosus, rheumatoid arthritis, inflammatory bowel disease, vascular thrombosis associated with antiphospholipid syndrome, Wegener's granulomatosis, Sjögren's syndrome, Guillain-Barré syndrome, multiple sclerosis, vasculitis, or glomerulonephritis, Note: History of autoimmune-related hypothyroidism on a stable dose of thyroid replacement hormone may be eligible.

Note: Controlled Type 1 diabetes mellitus on a stable insulin regimen may be eligible.
9. History of idiopathic pulmonary fibrosis (including pneumonitis), drug-induced pneumonitis, organizing pneumonia (i.e., bronchiolitis obliterans, cryptogenic organizing pneumonia), or evidence of active pneumonitis on screening chest imaging,
10. Human immunodeficiency virus (HIV),
11. Active hepatitis B virus (HBV, defined as having a positive hepatitis B surface antigen \[HBsAg\] test prior to randomization) or hepatitis C virus (HCV), Note: 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.

Note: Patients positive for HCV antibody are eligible only if polymerase chain reaction testing is negative for HCV ribonucleic acid (RNA).
12. Administration of a live, attenuated vaccine within four weeks prior to start of treatment or anticipation that such a live attenuated vaccine will be required during the remainder of the study,
13. Prior treatment with CD137 agonists, anti-CTLA4, anti-PD-1, or anti-PD-L1 therapeutic antibody or pathway-targeting agents,
14. Treatment with systemic immunostimulatory agents (including but not limited to interferons or interleukin-2) within four weeks or five half-lives of the drug, whichever is shorter, prior to start of maintenance treatment,
15. Prior allogeneic bone marrow transplantation or prior solid organ transplantation,
16. Treatment with systemic corticosteroids or other systemic immunosuppressive medications (including but not limited to prednisone, dexamethasone, cyclophosphamide, azathioprine, methotrexate, thalidomide, and anti-tumor necrosis factor agents) within 2 weeks prior to start of maintenance treatment, or requirement for systemic immunosuppressive medications during the remainder of the study. Inhaled or topical steroids and adrenal replacement doses \>10 mg daily prednisone equivalents are permitted in the absence of active autoimmune disease.

Note: Patients who have received acute, low-dose, systemic immunosuppressant medications (e.g., a one-time dose of dexamethasone for nausea) may be enrolled in the study after discussion with and approval by the Medical Monitor.

Note: Subjects are permitted the use of topical, ocular, intra-articular, intranasal, and inhalational corticosteroids (with minimal systemic absorption). Adrenal replacement steroid doses including doses \>10 mg daily prednisone are permitted. A brief (less than 3 weeks) course of corticosteroids for prophylaxis (e.g. contrast dye allergy) or for treatment of non-autoimmune conditions (e.g. delayed-type hypersensitivity reaction caused by a contact allergen) is permitted.

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No