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

Official record

Identifier

NCT06997497

Recruiting locations

countries

United StatesArgentinaAustraliaBrazilCanadaChileChinaColombiaFinlandFranceGermanyHong KongHungaryIsraelItalyJapanMalaysiaMexicoNetherlandsPhilippinesPolandRomaniaSingaporeSouth KoreaSpainTaiwanTurkey (Türkiye)UkraineUnited Kingdom

Interventions studied

CalderasibOxaliplatinLeucovorin/levofolinate calcium5-FluorouracilCetuximabBevacizumabBevacizumab biosimilar

Lead sponsor

Merck Sharp & Dohme LLC

Target enrolment

477 participants

Study type

INTERVENTIONAL

Phase

Phase 3

Status

Recruiting

First posted

May 30, 2025

Last updated on the registry

Oct 1, 2026

Age

18 Years

Sex

ALL

Study contact

The official record lists a study contact. Contact details are published there and are intentionally not copied to this page.

Eligibility criteria

Reproduced verbatim from the official record. Eligibility is decided by the study team, never by this page.

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; an exception is permitted for 1-2 cycles of FOLFOX or 1 cycle of CAPOX as optional chemotherapy before or during the screening period
* 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 partial or complete 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, with the exception of the optional chemotherapy
* 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

Indexed under

Colorectal Cancer