A Clinical Study of MK-1084 With Targeted Therapy and Chemotherapy in People With Colorectal Cancer (MK-1084-012/KANDLELIT-012)

Sponsor: Merck Sharp & Dohme LLC

Sponsor score: 40

ClinicalTrials ID:NCT06997497

This study evaluates the safety and efficacy of MK-1084 with cetuximab and mFOLFOX6 in treating KRAS G12C-mutated, unresectable colorectal cancer. Eligible participants include those with advanced colorectal adenocarcinoma, controlled HIV, and undetectable HBV/HCV. Interventions include MK-1084, oxaliplatin, leucovorin, 5-fluorouracil, cetuximab, and bevacizumab.

Patient Parameters

Program Overview

Researchers are looking for other ways to treat locally advanced or metastatic colorectal cancer (mCRC) that is unresectable and has a gene mutation called KRAS G12C.

Standard (or usual) treatments for this type of colorectal cancer may include mFOLFOX6 with or without bevacizumab. Researchers want to learn if adding MK-1084 (the study medicine) and cetuximab to mFOLFOX6 can treat locally advanced or mCRC with the KRAS G12C mutation. MK-1084 and cetuximab are targeted therapies.

The goals of this study are to learn:

  • About the safety of MK-1084 with cetuximab and mFOLFOX6 and if people tolerate the treatments
  • If people who receive MK-1084 with cetuximab and mFOLFOX6 live longer without mCRC growing or spreading compared to people who receive mFOLFOX6 with or without bevacizumab.

Description

This study will have 2 parts.

Eligibility Criteria

Inclusion Criteria

The main inclusion criteria include but are not limited to the following:

  • Has a histologically confirmed diagnosis of locally advanced unresectable or metastatic (unresectable Stage III or Stage IV as defined by American Joint Committee on Cancer [AJCC] eighth edition) colorectal adenocarcinoma
  • Part 2 only: Has not received systemic anticancer therapy for locally advanced unresectable or metastatic colorectal cancer
  • Tumor tissue demonstrates presence of a Kirsten rat sarcoma viral oncogene homolog G12C (KRAS G12C) mutation
  • Human immunodeficiency virus (HIV)-infected participants must have well controlled HIV on antiretroviral therapy (ART)
  • Participants who are Hepatitis B surface antigen (HBsAg) positive are eligible if they have received hepatitis B virus (HBV) antiviral therapy and have undetectable HBV viral load
  • Participants with history of hepatitis C virus (HCV) infection are eligible if HCV viral load is undetectable

Exclusion Criteria

The main exclusion criteria include but are not limited to the following:

  • Has active inflammatory bowel disease requiring immunosuppressive medication or previous clear history of inflammatory bowel disease (eg, Crohn's disease, ulcerative colitis, chronic diarrhea)
  • Has uncontrolled, significant cardiovascular disease or cerebrovascular disease
  • Has known dihydropyrimidine dehydrogenase (DPD) deficiency
  • HIV-infected participants with a history of Kaposi's sarcoma and/or Multicentric Castleman's Disease
  • Has received prior systemic anticancer therapy including investigational agents within 4 weeks before randomization
  • Has 1 or more conditions that, in the opinion of the investigator, make the participant ineligible for treatment with bevacizumab
  • Has known additional malignancy that is progressing or has required active treatment within the past 3 years
  • Has known active central nervous system (CNS) metastases and/or carcinomatous meningitis or leptomeningeal disease
  • Has active infection requiring systemic therapy
  • Has not adequately recovered from major surgery or have ongoing surgical complications
  • Has a history of (noninfectious) pneumonitis/interstitial lung disease that required steroids or has current pneumonitis/interstitial lung disease

Locations

FACILITYZIPCITYSTATE
Orlando Health Cancer Institute ( Site 0065)32806OrlandoFlorida
Norton Cancer Institute, Audubon Hospital Campus ( Site 0054)40217LouisvilleKentucky
Renown Regional Medical Center ( Site 0056)89502RenoNevada
John Theurer Cancer Center at Hackensack University Medical Center ( Site 0060)07601HackensackNew Jersey
Miami Valley Hospital South ( Site 0075)45459CentervilleOhio

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