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A Phase I/II Study of AMG 510 in Combination With MVASI in Patients With Advanced, Unresectable or Metastatic KRAS G12C Mutant NSCLC With Asymptomatic Brain Metastasis

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ClinicalTrials.gov Identifier: NCT05180422
Recruitment Status : Not yet recruiting
First Posted : January 6, 2022
Last Update Posted : January 6, 2022
Sponsor:
Collaborator:
Amgen
Information provided by (Responsible Party):
Criterium, Inc.

Brief Summary:
This is a multicenter, non-randomized, open-label, phase I/II study to evaluate the safety and tolerability of AMG 510 plus MVASI in subjects with advanced KRAS p.G12C mutant non-small cell lung cancer (NSCLC) with small, untreated brain metastases.

Condition or disease Intervention/treatment Phase
Non Small Cell Lung Cancer Drug: AMG 510 Drug: MVASI Phase 1 Phase 2

Detailed Description:

Each patient is scheduled to receive AMG 510 (KRASG12C inhibitor) in combination with MVASI (vascular endothelial growth factor [VEGF] inhibitor; bevacizumab biosimilar); both drugs will be provided by the study:

AMG 510:

Continuous once daily (QD) oral dosing (Days 1-21 each cycle) with or without food.

MVASI:

Intravenous (i.v.) infusion every 21 days (i.e. Day 1 of each 21-day cycle).

The study will be conducted in 2 parts. The dose expansion part of the study (Part 2) can open once the maximum tolerated dose (MTD) and/or a biologically active dose (e.g. recommended phase 2 dose [RP2D]) using a 3+3 study design has been determined in Part 1.

CNS response will be assessed using RANO-BM criteria, and non-CNS objective response will be based on Solid Tumor Response Criteria [RECIST v1.1] assessment of overall tumor burden at baseline versus that detected on subsequent CT/MRI re-scans. This includes a brain MRI on C2D1 (21 days) and a CT chest/abdomen/pelvis (C/A/P) at 6 weeks, then brain MRI at 15 weeks and CT C/A/P imaging at 12-16 weeks, and then every 4 cycles (every 12 weeks) while on study. It is intended that patients will be treated until disease progression or intolerable toxicity. Patients will be followed for survival for up to 18 months after ending study treatment.

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Study Type : Interventional  (Clinical Trial)
Estimated Enrollment : 43 participants
Allocation: N/A
Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: A Phase I/II Study of AMG 510 in Combination With MVASI in Patients With Advanced, Unresectable or Metastatic KRAS G12C Mutant NSCLC With Asymptomatic Brain Metastasis.
Estimated Study Start Date : January 1, 2022
Estimated Primary Completion Date : December 31, 2026
Estimated Study Completion Date : June 15, 2028

Resource links provided by the National Library of Medicine


Arm Intervention/treatment
Experimental: Dose Expansion
AMG 510/MVASI
Drug: AMG 510
Continuous once daily (QD) oral dosing (Days 1-21 each cycle) with or without food.

Drug: MVASI
Intravenous (i.v.) infusion every 21 days (i.e. Day 1 of each 21-day cycle).




Primary Outcome Measures :
  1. Dose Exploration [ Time Frame: 21 days ]

    To determine the feasibility and safety of AMG 510 in combination with MVASI for the treatment of patients with KRAS G12C mutant NSCLC with asymptomatic, untreated brain metastases.

    For patients enrolled in the dose exploration part of the study (anticipated to be the initial 9-18 patients participating in the study), whose participation will establish the recommended phase 2 dose (RP2D), dedicated surveillance and expedited reporting of Dose Limiting Toxicity (DLT) required for 21 days after initiating protocol-indicated treatment. Satisfactory completion of the physical exam and safety labs is required to help detect evidence of past or present DLT as having occurred during the first 21 days of protocol-indicated treatment.


  2. Dose Expansion [ Time Frame: 18 weeks ]

    To determine the CNS objective response and rate of salvage radiation to the CNS 18 weeks after therapy initiation.

    The CNS objective response rate using Rando-BM will be evaluated at 18 weeks. Whether or not the patient requires salvage radiation therapy will be evaluated at 18 weeks


  3. Dose Exploration [ Time Frame: 21 days ]

    Safety and tolerability (phase I component).

    Dedicated surveillance and expedited reporting of Dose Limiting Toxicity (DLT) is required for 21 days after initiating protocol-indicated treatment A minimum of 6 patients will be treated at the Maximum tolerated dose on the phase I portion of the study in order to obtain sufficient toxicity data prior to proceeding to the phase II evaluation of this regimen


  4. Dose Expansion [ Time Frame: 18 weeks ]
    CNS objective response, assessed using RANO-BM.

  5. Dose Expansion [ Time Frame: 18 weeks ]
    Initiation of salvage radiation therapy to the CNS at 18 weeks (phase II component).


Secondary Outcome Measures :
  1. Dose Expansion [ Time Frame: 18.5 months ]
    To evaluate systemic disease control by progression free survival and overall survival.

  2. Dose Expansion [ Time Frame: 18 weeks ]
    Non-CNS overall response (ORR), assessed using RECIST v1.1.

  3. Dose Expansion [ Time Frame: 18.5 months ]
    Non-CNS progression-free survival (PFS).

  4. Dose Expansion [ Time Frame: 18.5 months ]
    Overall Survival (OS).



Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.


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Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

Patients must meet all of the following inclusion criteria to be eligible for enrollment into the study:

  1. Signed and dated written informed consent.
  2. Male or female ≥ 18 years of age at the time of informed consent.
  3. Eastern Cooperative Oncology Group (ECOG) performance status of 0, 1 or 2.
  4. As estimated by study physician, life expectancy ≥ 12 weeks.
  5. Histologically proven, locally advanced, recurrent or metastatic KRAS G12C mutant non-small cell lung cancer (NSCLC), with pathological documentation of KRAS p.G12C mutation identified through DNA sequencing either in tumor tissue or blood circulating tumor DNA.
  6. At least one untreated brain metastasis ≥ 5mm in diameter in any line of treatment:

    • Subjects with largest measurable intracranial lesion ≥5 mm but <10 mm may be allowed to enroll upon agreement with investigator (for patients with target lesions of ≥ 5mm but <10 mm, 1.5 mm slice thickness brain MRI is required).
    • "Untreated" refers to the lesion not being previously treated with stereotactic radiosurgery (SRS).
    • Prior treatment with whole brain radiation therapy or local surgery is permissible provided unequivocal progression in the lesion has since occurred and completion 14 days prior to study enrollment.
  7. For at least 7 days prior to first dose of AMG 510 and MVASI in this study: Patient must be asymptomatic from CNS metastases and on a stable dose of corticosteroids.
  8. Able to take oral medications and willing to record daily adherence to investigational product.
  9. As assessed by electrocardiogram (ECG) completed ≤ 14 days before initiation of protocol treatment, the corrected QT interval (QTc) will be calculated by Fridericia's method (QTcF) - see Section 7.12. Eligible candidates (male or female) must have the following QTcF value on baseline ECG:

    • QTcF ≤ 470 ms.

    The average QTcF value from three (3) separate ECG tracings, each performed on the same day (ideally at least 5 minutes apart), will serve as the baseline QTcF value used to meet eligibility.

  10. Adequate organ and bone marrow function resulted ≤ 14 days prior to first dose of protocol-indicated treatment:

    1. Prothrombin time (PT) and partial thromboplastin time (PTT) < 1.5x institutional upper limit of normal (ULN).
    2. Absolute neutrophil count (ANC) > 1500/µL.
    3. Hemoglobin ≥ 9 g/dL.
    4. Platelets ≥ 75,000/µL.
    5. Total bilirubin ≤ 1.5x ULN; or

      • < 2x ULN in subjects with documented Gilbert's syndrome; or
      • < 3x ULN in subjects for whom the indirect bilirubin level suggests an extrahepatic source of total bilirubin elevation).
    6. AST (SGOT) and ALT (SGPT) ≤ 2.5x ULN; or

      • ≤ 5x ULN if liver metastases are present.

    7. Serum creatinine ≤ 1.5mg/dL.
  11. Women must not be breastfeeding and further agree to not breastfeed during study treatment; and for at least 1 week (7 days) after patient's final dose of AMG 510, and for at least 6 months (183 days) after patient's final dose of MVASI.
  12. A woman of childbearing potential (WOCBP) - see Appendix 3 for definition of WOCBP - must have a negative serum or urine β-hCG pregnancy test (or in cases of β-hCG tumor production, may be confirmed not pregnant by uterine ultrasound during screening) within 14 days prior to receiving first dose of protocol-indicated treatment to be eligible, and must agree to follow instructions for using acceptable contraception (Appendix 3) from the time of signing consent, and until at least 6 months (183 days) after her final dose of AMG 510 and MVASI.
  13. A man able to father children (see Appendix 3 for definition) who is sexually active with a WOCBP must agree to follow instructions for using acceptable contraception (Appendix 3), from the time of signing consent, and until at least 6 months (183 days) after his final dose of AMG 510 and MVASI.

Exclusion Criteria:

Patients meeting any of the following criteria will not be permitted to enter the trial:

  1. Other coexisting malignancies or malignancies diagnosed within the previous 2 years are not eligible.

    • Exceptions to this include non-melanoma skin cancer, cervical cancer in-situ, well-differentiated thyroid cancer or prostate cancer.
    • Other cancers that per assessment of the principal investigator are not prognosis-limiting can be allowed after review by the principal investigator. If there is no evidence of disease for at least 3 years prior to initiating treatment in this study, patients may be eligible.
  2. Prior receipt of AMG-510, other KRAS G12C inhibitors, or VEGF inhibitors for the treatment of non-small cell lung cancer.
  3. Myocardial infarction within 6 months of study Day 1, symptomatic congestive heart failure equivalent to New York Heart Association > Class II (see Appendix 2) or unstable (requiring hospitalization or heart catheterization) angina currently.
  4. Patient on full dose, therapeutic anticoagulation for thromboembolic event, arrhythmia, or prothesis with coumadin.
  5. Evidence of clinically significant hemorrhage (per study physician) in untreated CNS lesion(s) on screening MRI.
  6. Major surgery within 28 days of enrollment or presence of a non-healing wound.
  7. Proteinuria of greater than 1 gram per 24 hours.
  8. Recent history of moderate or severe hemoptysis within 7 days (greater than 20mL of pure blood within 24 hours).

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT05180422


Contacts
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Contact: Ruth Stone 518-583-0095 restone@criteriuminc.com
Contact: Julee Hartwell 518-583-0095 jhartwell@criteriuminc.com

Sponsors and Collaborators
Criterium, Inc.
Amgen
Investigators
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Principal Investigator: Wade Iams, MD, MSCI Vanderbilt University Medical Center
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Responsible Party: Criterium, Inc.
ClinicalTrials.gov Identifier: NCT05180422    
Other Study ID Numbers: 02AT21-KRAS
First Posted: January 6, 2022    Key Record Dates
Last Update Posted: January 6, 2022
Last Verified: December 2021
Individual Participant Data (IPD) Sharing Statement:
Plan to Share IPD: No

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Studies a U.S. FDA-regulated Drug Product: Yes
Studies a U.S. FDA-regulated Device Product: No
Additional relevant MeSH terms:
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Brain Neoplasms
Neoplasms by Site
Neoplasms
Central Nervous System Neoplasms
Nervous System Neoplasms
Brain Diseases
Central Nervous System Diseases
Nervous System Diseases