« Back to Search Results Notify Me When Search is Updated

A Study of Calderasib (MK-1084) in KRAS mutant advanced solid tumors (MK-1084-001)

ClinicalTrials.gov Identifier: NCT05067283 (view full study on clinicaltrials.gov)
Condition:  Advanced solid tumors
Status:  Recruiting


Official Title: A Phase 1, Open-label, Multicenter Study to Assess Safety, Tolerability, PK, and Efficacy of MK-1084 as Monotherapy and as Part of Various Combination Therapies in Participants With KRAS G12C Mutant Advanced Solid Tumors

This is a study evaluating the safety, pharmacokinetics, and efficacy of calderasib alone, and calderasib plus other combination therapies in participants with advanced solid tumors with identified kirsten rat sarcoma viral oncogene homolog G12C (KRAS G12C) mutation.

Interventional
Phase 1
830
December 2021
February 2030
February 2030
18 years and older
All
No


CRITERIA

Inclusion Criteria:

For all participants:

  • Has measurable disease by RECIST 1.1 criteria
  • Has adequate organ function
  • Male participants agree to protocol-specified contraception requirements including refraining from donating sperm and using protocol-specified contraceptives unless confirmed to be azoospermic
  • Female participants must not be pregnant or breastfeeding, and must agree to protocol-specified contraceptive requirements and must have a negative highly sensitive pregnancy test within 24 hours (for a urine test) or 72 hours (for a serum test) before the first dose of study intervention
For Arm 1
  • Has locally advanced unresectable or metastatic solid-tumor malignancy with histologically OR blood-based confirmation of KRAS G12C mutation who has received at least 1 line of therapy for systemic disease
For Arm 2
  • Has an untreated metastatic non–small cell lung cancer (NSCLC) with histologically OR blood-based confirmation of KRAS G12C mutation and histologic confirmation of programmed cell death ligand 1 (PD-L1) tumor proportion score (TPS) ≥1%
For Arm 3
  • Has locally advanced unresectable or metastatic solid-tumor malignancy with histologically or blood-based confirmation of KRAS G12C mutation who has received at least 1 line of therapy for systemic disease
Expansion Group A: 2L+NSCLC
  • Has histologically or cytologically confirmed diagnosis of unresectable or metastatic NSCLC with histological or blood-based confirmation of KRAS G12C mutation and submits archival tumor sample
  • Previous treatment failure of at least 1 line of systemic therapy
Expansion Group B
  • Has locally advanced unresectable or metastatic solid-tumor malignancy, excluding NSCLC or CRC, with histologically or blood- based confirmation of KRAS G12C mutation who has received at least 1 line of therapy for systemic disease
Arm 4 only
  • Has an untreated advanced or metastatic nonsquamous NSCLC with histologically or blood-based confirmation of KRAS G12C mutation
Arm 5 only
  • Histologically or cytologically confirmed diagnosis of locally advanced unresectable or metastatic colorectal adenocarcinoma and with histologically or blood-based
confirmation of KRAS G12C mutation
  • Previous treatment failure of one or 2 previous line(s) of systemic therapy
Arm 6 only
  • Locally advanced unresectable or metastatic colorectal adenocarcinoma with histologically or blood-based confirmation of KRAS G12C mutation

Exclusion Criteria:

  • Has received chemotherapy, definitive radiation, or biological cancer therapy within 4 weeks (2 weeks for palliative radiation) before first dose of study intervention
  • Has a history of second malignancy, unless potentially curative treatment has been completed with no evidence of malignancy for 5 years
  • Has clinically active central nervous system (CNS) metastases and/or carcinomatous meningitis
  • Has an active infection requiring systemic therapy
  • Known history of HIV infection or. has a known history of Hepatitis B virus or known active Hepatitis C virus infection
  • Has a history of interstitial lung disease, noninfectious pneumonitis requiring active steroid therapy, or ongoing pneumonitis
  • Has an active autoimmune disease requiring systemic therapy
  • Has not fully recovered from any effects of major surgical procedure without significant detectable infection
  • Has one or more of the following ophthalmological findings/conditions: intraocular pressure >21 mm Hg and/or any diagnosis of glaucoma; diagnosis of central serous retinopathy, retinal vein occlusion, or retinal artery occlusion and/or a diagnosis of retinal degenerative disease
  • Has received live or live-attenuated vaccine within 4 weeks of study start
Arm 4 Only
  • Is unable to interrupt aspirin or other nonsteroidal anti-inflammatories (NSAIDs), other than an aspirin dose ≤1.3 grams per day, for at least 2 days (5 days for long-acting agents [for example, piroxicam]) before,
during, and for at least 2 days after administration of pemetrexed.
  • Is unable/unwilling to take folic acid, vitamin B12, and dexamethasone

United States     Toll Free Number     1-800-770-4674   

  • Tampa, Florida, 33612
  • Grand Rapids, Michigan, 49546
  • Hackensack, New Jersey, 07601
  • Fairfax, Virginia, 22031
  • Milwaukee, Wisconsin, 53226

Canada     Study Coordinator     416-946-4501   

No Study Results Posted



Find a Study in US or Canada

Advanced Search    Search All Studies

RELATED INFORMATION





Copyright © 2026 · Merck & Co., Inc., Rahway, NJ, USA, and its affiliates. All rights reserved. · This site is intended only for residents of the United States.
Cookie Preferences  Privacy  Terms of Use  Consumer Health Data Privacy Policy  Your Privacy Choices   Accessibility  U.S. Corporate Site