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Completed

NCT Number: NCT03271047

Study of Binimetinib + Nivolumab Plus or Minus Ipilimumab in Patients With Previously Treated Microsatellite-stable (MSS) Metastatic Colorectal Cancer With RAS Mutation

This is a multicenter, open-label, Phase 1B/2 study to evaluate the safety and assess the preliminary anti-tumor activity of binimetinib administered in combination with nivolumab or nivolumab + ipilimumab in adult patients with advanced metastatic colorectal cancer (mCRC) with microsatellite stable (MSS) disease and presence of a RAS mutation that have received at least one prior line of therapy and no more than 2 prior lines of therapy. The study contains a Phase 1b period to determine the maximum tolerated dose (MTD) and recommended Phase 2 dose (RP2D) and schedule of binimetinib followed by a randomized Phase 2 period to assess the efficacy of the combinations.

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Key information

Conditions

MSS Neoplasms RAS-mutant Colorectal Cancer

Age range

18 year and older

Sex eligibility

All sexes

Study type

Interventional

Phase

Phase 2

Primary location

UZ Leuven, Leuven, Belgium

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Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Key Inclusion Criteria

  • Measurable, histologically/cytologically confirmed metastatic colorectal cancer (mCRC).
  • Able to provide a sufficient amount of representative tumor specimen for central laboratory testing of RAS mutation status and microsatellite stable (MSS).
  • If a fresh tissue sample is provided, a blood sample is required.
  • Metastatic colorectal cancer (mCRC) categorized as microsatellite stable (MSS) by polymerase chain reaction (PCR) per local assay at any time prior to Screening or by the central laboratory.
  • RAS mutation per local assay at any time prior to Screening or by the central laboratory.
  • Have received at least 1 prior line of therapy and meets at least one of the following criteria:
  • were unable to tolerate the prior first-line regimen
  • experienced disease progression during or after prior first-line regimen for metastatic disease
  • progressed during or within 3 months of completing adjuvant chemotherapy. Note: Generally, treatments that are separated by an event of progression are considered different regimens.
  • Have received no more than 2 prior lines of therapy (maintenance therapy given in the metastatic setting will not be considered a separate regimen). Generally, treatments that are separated by an event of progression are considered different regimens.
  • Adequate bone marrow, cardiac, kidney and liver function
  • Able to take oral medications
  • Eastern Cooperative Oncology Group (ECOG) performance status (PS) of 0 or 1.
  • Female patients are either postmenopausal for at least 1 year, are surgically sterile for at least 6 weeks, or must agree to take appropriate precautions to avoid pregnancy from screening through follow-up if of child-bearing potential
  • Non-sterile male patients who are sexually active with female partners of childbearing potential must agree to follow instructions for acceptable or highly effective method(s) of contraception for the duration of study treatment and for 7 months after the last dose of study treatment with nivolumab

Key Exclusion Criteria

  • Prior treatment with any MEK inhibitor, an anti-PD-1, anti-PD-L1, anti-PD-L2, anti-CD137, or anti-CTLA-4 antibody, or any other antibody or drug specifically targeting T-cell co-stimulation or checkpoint pathways.
  • Any untreated central nervous system (CNS) lesion.
  • 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 enroll.
  • Known history of retinal vein occlusion (RVO).
  • Known history of Gilbert's syndrome.
  • Pregnant or breastfeeding females.
  • Treatment with systemic immunosuppressive medications (including but not limited to prednisone, cyclophosphamide, azathioprine, methotrexate, thalidomide, and anti-tumor necrosis factor [anti-TNF] agents) within 2 weeks prior to first day of study treatment:
  • History of thromboembolic or cerebrovascular events ≤ 6 months prior to starting study treatment, including transient ischemic attacks, cerebrovascular accidents, deep vein thrombosis or pulmonary emboli.
  • Uncontrolled hypertension defined as persistent systolic blood pressure ≥ 150 mmHg or diastolic blood pressure ≥ 100 mmHg despite current therapy.
  • Concurrent neuromuscular disorder that is associated with the potential of elevated creatine kinase (CK) (e.g., inflammatory myopathies, muscular dystrophy, amyotrophic lateral sclerosis, spinal muscular atrophy).
  • History or current evidence of retinal vein occlusion (RVO) or current risk factors for RVO (e.g., uncontrolled glaucoma or ocular hypertension, history of hyperviscosity or hypercoagulability syndromes).
  • Known history of positive test for human immunodeficiency virus (HIV) or known acquired immunodeficiency syndrome (AIDS). NOTE: Testing for HIV must be performed at sites where mandated locally.
  • Any positive test for hepatitis B virus or hepatitis C virus indicating acute or chronic infection, and/or detectable virus.

Treatment and study plan

Binimetinib

Drug

Orally, twice daily.

Nivolumab

Drug

Intravenously (IV) every 4 weeks (Q4W)

Ipilimumab

Drug

intravenously (IV) every 8 weeks (Q8W)

Primary outcomes

  1. Phase 1b: Number of Participants With Dose-Limiting Toxicities (DLT)

    Time frame: Cycle 1: Day 1 up to Day 28

    DLT:Adverse event(AE)/abnormal laboratory assessed unrelated-disease,disease progression,intercurrent illness/concomitant medication/therapies resulting inability tolerate 75% dose intensity in Cycle 1.Total bilirubin(TBL)grade(G)>=3 (>3.0*upper limit of normal[ULN)]);AST/ALT>5-8*ULN>5 days,>8*ULN,>3*ULN concurrent TBL>2*ULN;G>=3 serum creatinine,CK elevation,ECG QTcF prolonged,G3 troponin,electrolyte>72 hours,G3/4 amylase/lipase.G4 ANC,platelet count>7 days;G3/4 platelet count,other AE except lymphopenia.G>=3 retinopathy,other disorder>21 days;G2 uveitis/eye pain/blurred vision/decreased visual acuity;G4 other disorder.Decrease LVEF>10% G>=3 cardiac disorders.G3/4 hypertension.G3 fatigue>=7 days,hypersensitivity,infusion reaction,fever>=72 hours/hemodynamic compromise,endocrinopathy.G>=2 interstitial lung disease/pneumonitis;G3 bronchospasm.G3/4 rash,hand foot skin reaction,photosensitivity.G3 colitis;G3/4 diarrhea,nausea/vomiting.Neurologic G3.Other hematologic/nonhematolic G>=3 AE.

  2. Phase 2: Objective Response Rate (ORR) Per Response Evaluation Criteria in Solid Tumors (RECIST) Version (v) 1.1

    Time frame: From start of the treatment until disease progression, death or initiation of new anticancer therapy, whichever occurred first (Phase 2: maximum up to 26 months approximately)

    ORR was defined as the percentage of participants who achieved a best overall response (BOR) of complete response (CR) or partial response (PR) as determined by investigator per RECIST v1.1. As per RECIST v1.1, CR was defined as disappearance of target and non-target lesions and normalization of tumor markers. Pathological lymph nodes must have short axis measures less than (<)10 millimeter (mm). PR was defined as at least a 30% decrease in the sum of measures (longest diameter for tumor lesions and short axis measure for nodes) of target lesions, taking as reference baseline sum of diameters. Non-target lesions must be non-progressive disease (PD). PD was defined as at least a 20% increase in sum of diameters of target lesions, taking as reference the smallest sum on study. In addition to relative increase of 20%, the sum must also demonstrate an absolute increase of at least 5 mm. The appearance of one or more new lesions was considered progression.

Secondary outcomes

  1. Phase 1b: Objective Response Rate (ORR) Per RECIST v1.1

    Time frame: From start of the treatment until disease progression, death or initiation of new anticancer therapy, whichever occurred first (Phase 1b: maximum up to 9 months approximately)

    ORR was defined as the percentage of participants who achieved a BOR of CR or PR as determined by investigator per RECIST v1.1. As per RECIST v1.1, CR was defined as disappearance of target and non-target lesions and normalization of tumor markers. Pathological lymph nodes must have short axis measures <10 mm. PR was defined as at least a 30% decrease in the sum of measures (longest diameter for tumor lesions and short axis measure for nodes) of target lesions, taking as reference the baseline sum of diameters. Non-target lesions must be non-PD. PD was defined as at least a 20% increase in the sum of diameters of target lesions, taking as reference the smallest sum on study. In addition to the relative increase of 20%, the sum must also demonstrate an absolute increase of at least 5 mm. The appearance of one or more new lesions was also considered progression.

  2. Duration of Response (DOR) as Per RECIST v1.1

    Time frame: From date of first documented CR/PR to date of first documented PD, death or initiation of new anticancer therapy, whichever occurred first (Phase 1b: maximum up to 9 months approximately, Phase 2: maximum up to 26 months approximately)

    DOR was defined as the time between the date of the first documented confirmed response (PR or CR) and the date of the first documented progression or death due to any cause. As per RECIST v1.1: CR was defined as disappearance of target and non-target lesions and normalization of tumor markers. Pathological lymph nodes short axis measures <10 mm. PR was defined as at least 30% decrease in sum of measures (tumor lesions- longest diameter and nodes- short axis) of target lesions, taking as reference baseline sum of diameters. PD was defined as at least 20% increase in sum of diameters of measured lesions taking as references smallest sum of diameters recorded on study (including baseline) and an absolute increase of >=5 mm or appearance of at least 1 new lesion. Unequivocal progression of existing non-target lesions.

  3. Percentage of Participants With Complete Response as Per RECIST v1.1

    Time frame: From start of the treatment until disease progression, death or initiation of new anticancer therapy, whichever occurred first (Phase 1b: maximum up to 9 months approximately and Phase 2: maximum up to 26 months approximately)

    Complete response as per RECIST v1.1 was defined as disappearance of target and non-target lesions and normalization of tumor markers. Pathological lymph nodes must have short axis measures <10 mm.

  4. Number of Participants With Treatment-Emergent Adverse Events (TEAE) Based on Common Terminology Criteria for Adverse Events (CTCAE) v4.03

    Time frame: From start of the treatment up to 30 days after last dose or start of new anticancer therapy minus 1 day, whichever occurred first (Phase 1b: maximum up to 9 months approximately and Phase 2: maximum up to 26 months approximately)

    AE: any untoward medical occurrence in a participant who received study drug without regard to possibility of causal relationship. SAE: AE resulting in any of following outcomes/deemed significant for any other reason: death; initial /prolonged inpatient hospitalization; life-threatening experience (immediate risk of dying); persistent or significant disability/incapacity; congenital anomaly. TEAEs: events between first dose of study drug and up to 30 days after last dose or before start of new anticancer therapy minus 1 day, whichever occurred first. TEAE graded by CTCAE grade 4.03: Grade 3: severe/medically significant but not immediately life-threatening, hospitalization or prolongation of existing hospitalization indicated, disabling, limiting self-care activities of daily living (ADL); Grade 4: life-threatening consequence, urgent intervention indicated. In this outcome measure, number of participants with 'all grades' and 'Grade 3/4' were reported.

  5. Number of Participants With Shift From Baseline in Laboratory Parameter Values Based on Common Terminology Criteria for Adverse Events (CTCAE) v4.03: Hematology and Coagulation

    Time frame: Phase 1b: Baseline up to 30 days after last dose (maximum up to 9 months approximately), Phase 2: Baseline up to 30 days after last dose (maximum up to 26 months approximately)

    Hematological parameters included: Hemoglobin graded high, Hemoglobin graded low, Platelets count graded low, White Blood Cell (WBC) graded high, WBC graded low, Neutrophils graded low, Lymphocytes graded high, Lymphocytes graded low. Coagulation parameters included: International Normalized Ratio (INR) graded high, Activated Partial Thromboplastin Time (aPTT) graded high. Test abnormalities were graded by CTCAE v4.03 as Grade 1=mild; Grade 2=moderate; Grade 3/Grade 4=severe/life-threatening. A grade 0 was assigned for all non-missing values not graded as 1 or higher. If value was graded >=1 but falls within the normal range, the grade was reset to 0. Categories with at least 1 non-zero data values are reported.

  6. Number of Participants With Shift From Baseline in Laboratory Parameter Values Based on Normal Range: Hematology and Coagulation

    Time frame: Phase 1b: Baseline up to 30 days after last dose (maximum up to 9 months approximately), Phase 2: Baseline up to 30 days after last dose (maximum up to 26 months approximately)

    Hematology parameters: Basophils, Eosinophils, Hematocrit, Monocytes, Red blood cells (RBC). Coagulation parameters: Prothrombin Time. Laboratory values were as per laboratory normal ranges. Values above range were reported as high and values below range as low. Laboratory parameters were graded based on laboratory normal ranges as low, normal, high and missing are reported in this outcome measure. Categories with at least 1 non-zero data values are reported.

  7. Number of Participants With Shift From Baseline in Laboratory Parameter Values Based on CTCAE v4.03: Chemistry

    Time frame: Phase 1b: Baseline up to 30 days after last dose (maximum up to 9 months approximately), Phase 2: Baseline up to 30 days after last dose (maximum up to 26 months approximately)

    Abnormalities: Albumin graded low, Alkaline phosphatase (ALP) graded high, Alanine aminotransferase (ALT) graded high, Aspartate aminotransferase (AST) graded high, Bilirubin graded high, Amylase graded high, Creatinine graded high, Corrected calcium graded high, Creatine Kinase (CK) graded high, Glucose graded high, Glucose graded low, Lipase graded high, Magnesium graded high, Magnesium graded low, Potassium graded high, Potassium graded low, Sodium graded high and Sodium graded low. Test abnormalities were graded by CTCAE v4.03 as Grade 1=mild; Grade 2=moderate; Grade 3/Grade 4=severe/life-threatening. A grade 0 was assigned for all non-missing values not graded as 1 or higher. If value was graded >=1 but falls within the normal range, the grade was reset to 0. Categories with at least 1 non-zero data values are reported.

  8. Number of Participants With Shift From Baseline in Laboratory Parameter Values Based on Normal Range: Chemistry and Thyroid Function

    Time frame: Phase 1b: Baseline up to 30 days after last dose (maximum up to 9 months approximately), Phase 2: Baseline up to 30 days after last dose (maximum up to 26 months approximately)

    Chemistry laboratory parameters: Blood urea nitrogen (BUN), Total protein, Chloride, Cancer antigen 19-9 (CA 19-9), Brain natriuretic peptide (BNP), Bicarbonate, Direct bilirubin, Carcinoembryonic antigen (CEA), Lactate dehydrogenase (LDH), Uric acid, Troponin I. Thyroid panel laboratory parameters: Thyroid-stimulating hormone (TSH), Free triiodothyronine (T3), Free thyroxine (T4). Laboratory values were as per laboratory normal ranges. Values above range were reported as high and values below range as low. Shift in chemistry and thyroid panel severity from baseline grade low, normal, high and missing to the post baseline grades as low, normal, high and missing are reported in this outcome measure. Categories with at least 1 non-zero data values are reported.

  9. Number of Participants With Abnormal Hepatic Laboratory Values

    Time frame: Phase 1b: Baseline up to 30 days after last dose (maximum up to 9 months approximately), Phase 2: Baseline up to 30 days after last dose (maximum up to 26 months approximately)

    Criteria for abnormal hepatic laboratory parameters: Aspartate aminotransferase (AST) and Alanine aminotransferase (ALT): >3* upper limit of normal (ULN), >5*ULN, >8*ULN, >10*ULN, >20*ULN; Total bilirubin (TBL) >1.5*ULN, >2*ULN; Alkaline phosphatase (ALP) >2*ULN, >3*ULN. Categories with at least 1 non-zero data values are reported.

  10. Concentration Versus Time Summary of Plasma Concentration of Binimetinib

    Time frame: 1.5 hours post dose of binimetinib on Day 1, 15 of Cycle 1; pre dose of binimetinib on Day 15 of Cycle 1, 2, 3, 4, 5

Sponsors and collaborators

Lead sponsor

Pfizer

Industry

Collaborators

  • Bristol-Myers Squibb

Registry information

Official study title

An Open-label Phase 1b/2 Study of Binimetinib Administered in Combination With Nivolumab or Nivolumab Plus Ipilimumab in Patients With Previously Treated Microsatellite-stable (MSS) Metastatic Colorectal Cancer With RAS Mutation

Important dates

Study start
2017
Primary completion
2020
Study completion
2021
First posted
Sep 1, 2017
Registry last updated
Jan 4, 2022

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

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This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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