Clinical trial • Phase II • Oncology

MK-1084 for Non-squamous non-small cell lung cancer | KRAS G12C-mutant NSCLC

Phase II trial of MK-1084 for Non-squamous non-small cell lung cancer | KRAS G12C-mutant NSCLC.

Overview

Trial Therapeutic Area
Oncology
Trial Disease
Non-squamous non-small cell lung cancer | KRAS G12C-mutant NSCLC
Trial Stage
Phase II
Drug Modality
Small molecule | Monoclonal antibody

Key dates

Initial CTIS Submission Date
17-10-2025
First CTIS Authorization Date
24-02-2026

Trial design

Randomised, pemetrexed (intravenous infusion; max 1250 mg/m2 stated) and carboplatin (intravenous infusion; max 750 mg stated)-controlled, adaptive Phase II trial across 14 sites in Italy, Spain, Poland and others.

Randomised
Yes
Comparator
Pemetrexed (intravenous infusion; max 1250 mg/m2 stated) and Carboplatin (intravenous infusion; max 750 mg stated)
Adaptive
True, study described as a randomized phase 2 umbrella study with rolling arms of investigational agents ("Randomized Phase 2 Umbrella Study With Rolling Arms of Investigational Agents"). No further adaptive rules (e.g., interim analyses or stopping rules) are specified in the available record.
Biomarker Stratified
True, biomarker: KRAS G12C mutation
Single Multiple Or Escalation Dose Combined
Yes
Target Sample Size
85

Eligibility

Recruits 85 No vulnerable population selected (isVulnerablePopulationSelected = false). Participants are adult patients; consent is obtained from participants. No assent/child consent procedures or other special vulnerable-population consent arrangements are described in the available record..

Vulnerable Population
No vulnerable population selected (isVulnerablePopulationSelected = false). Participants are adult patients; consent is obtained from participants. No assent/child consent procedures or other special vulnerable-population consent arrangements are described in the available record.

Inclusion criteria

  • {"criterion_text":"- Has histologically or cytologically confirmed diagnosis of advanced or metastatic nonsquamous Non-Small Cell Lung Cancer (NSCLC)\n- Has tumor tissue or circulating tumor deoxyribonucleic acid (ctDNA) that demonstrates the presence of Kirsten rat sarcoma viral oncogene homolog (KRAS) G12C mutations\n- Can provide an archival tumor tissue sample or newly obtained core, incisional, excisional biopsy of a tumor lesion not previously irradiated\n- Has recovered to ≤Grade 1 or baseline from any Adverse events (AEs) due to previous anticancer therapies and/or ≤Grade 2 neuropathy and/or endocrine-related AEs adequately treated with hormone replacement\n- Has well controlled human immunodeficiency virus (HIV) on antiretroviral therapy (ART) if HIV-infected\n- Has undetectable hepatitis B (HBV) viral load and have received HBV antiviral therapy for at least 4 weeks if hepatitis B surface antigen (HBsAg) positive\n- Has undetectable hepatitis C (HCV) viral load if HCV-infected"}

Exclusion criteria

  • {"criterion_text":"- Has a diagnosis of small cell lung cancer or, for mixed tumors, presence of small cell elements\n- Has a diagnosis of immunodeficiency or is receiving chronic systemic steroid therapy (in dosing exceeding 10 mg daily of prednisone equivalent) or any other form of immunosuppressive therapy within 7 days prior to the first dose of study intervention\n- Has a known additional malignancy that is progressing or has required active treatment within the past 3 years\n- Has a known active central nervous system (CNS) metastases and/or carcinomatous meningitis\n- Has an active autoimmune disease that has required systemic treatment in the past 2 years. Replacement therapy (eg, thyroxine, insulin, or physiologic corticosteroid) is allowed\n- Has a history of (noninfectious) pneumonitis/interstitial lung disease that required steroids or has current pneumonitis/interstitial lung disease\n- Has a history of stem cell/solid organ transplant\n- Has not adequately recovered from major surgery or has ongoing surgical complications\n- Has HIV-infection with a history of Kaposi’s sarcoma and/or Multicentric Castleman’s Disease\n- Has active inflammatory bowel disease requiring immunosuppressive medication or previous clear history of inflammatory bowel disease\n- Has uncontrolled, clinically significant cardiovascular disease or cerebrovascular disease, including New York Heart Association Class III or IV congestive heart failure, unstable angina, myocardial infarction, uncontrolled symptomatic arrhythmia, prolongation of corrected QT interval corrected for heart rate by Fridericia's formula (QTcF) interval to >470 ms, and/or other serious cardiovascular and cerebrovascular diseases within the 6 months preceding study intervention\n- Has received prior systemic anticancer therapy for advanced or metastatic NSCLC\n- Has received any prior immunotherapy and was discontinued from that treatment due to a Grade 3 or higher immune-related adverse event (irAE) (except endocrine disorders that can be treated with replacement therapy) or was discontinued from that treatment due to Grade 2 myocarditis or recurrent Grade 2 pneumonitis\n- Has received previous treatment with an agent targeting KRAS\n- Has received prior systemic anticancer therapy within 4 weeks or 5 half-lives (whichever is shorter) and has not recovered to grade ≤ 1 or baseline from AE associated with anticancer therapy before allocation/randomization\n- Has received radiation therapy to the lung that is >30 Gray within 6 months of start of study intervention"}

Endpoints

Primary endpoints

  • {"endpoint_text":"- Percentage of Participants with a Dose Limiting Toxicity (DLT)","definition_or_measurement_approach":""}
  • {"endpoint_text":"- Percentage of Participants who Experience at Least One Adverse Event (AE)","definition_or_measurement_approach":""}
  • {"endpoint_text":"- Percentage of Participants who Discontinue Study Intervention Due to an AE","definition_or_measurement_approach":""}
  • {"endpoint_text":"- Objective Response Rate (ORR) per Response Evaluation Criteria In Solid Tumors (RECIST) 1.1 as assessed by Blinded Independent Central Review (BICR)","definition_or_measurement_approach":"ORR measured per RECIST 1.1 with assessment by Blinded Independent Central Review (BICR)"}

Secondary endpoints

  • {"endpoint_text":"- Duration of Response (DOR) per RECIST 1.1 as assessed by BICR","definition_or_measurement_approach":"DOR measured per RECIST 1.1 as assessed by BICR"}
  • {"endpoint_text":"- Progression Free Survival (PFS) per RECIST 1.1 as assessed by BICR","definition_or_measurement_approach":"PFS measured per RECIST 1.1 as assessed by BICR"}
  • {"endpoint_text":"- Overall Survival (OS)","definition_or_measurement_approach":""}
  • {"endpoint_text":"- Area Under the Concentration-Time Curve (AUC) for MK-1084","definition_or_measurement_approach":"Pharmacokinetic parameter AUC for MK-1084"}
  • {"endpoint_text":"- Maximum Concentration (Cmax) of MK-1084","definition_or_measurement_approach":"Pharmacokinetic parameter Cmax for MK-1084"}
  • {"endpoint_text":"- Trough Concentration (Ctrough) of MK-1084","definition_or_measurement_approach":"Pharmacokinetic parameter Ctrough for MK-1084"}

Recruitment

Planned Sample Size
85
Recruitment Window Months
69
Consent Approach
Informed consent is obtained from participants via country-specific informed consent forms. Country-specific ICF documents are listed for Finland, Italy, Spain, Poland, Netherlands (languages indicated in document titles: English, Italian, Spanish, Polish, Dutch, Finnish). Consent appears to be provided by the participant; no separate assent or minor/parent consent procedures are described in the available record.

Geography

Total Number Of Sites
14
Total Number Of Participants
43

Italy

Earliest CTIS Part Ii Submission Date
08-11-2025
Latest Decision Or Authorization Date
25-02-2026
Processing Time Days
109
Number Of Sites
3
Number Of Participants
6

Sites

Site Name
Azienda Ospedaliera S Giovanni Addolorata
Department Name
Unità Clinica di Fase I di Oncologia, Ematologia, Medicina Nucleare
Principal Investigator Name
Antonio Lugini
Principal Investigator Email
alugini@hsangiovanni.roma.it
Contact Person Name
Antonio Lugini
Contact Person Email
alugini@hsangiovanni.roma.it
Site Name
Istituto Romagnolo Per Lo Studio Dei Tumori Dino Amadori IRST S.r.l.
Department Name
Unità Clinica di Fase I di Oncologia, Ematologia, Medicina Nucleare
Principal Investigator Name
Angelo Delmonte
Principal Investigator Email
angelo.delmonte@irst.emr.it
Contact Person Name
Angelo Delmonte
Contact Person Email
angelo.delmonte@irst.emr.it
Site Name
Fondazione IRCCS Istituto Nazionale Dei Tumori
Department Name
Oncologia Medica 1
Principal Investigator Name
Marta Brambilla
Principal Investigator Email
marta.brambilla@istitutotumori.mi.it
Contact Person Name
Marta Brambilla

Spain

Earliest CTIS Part Ii Submission Date
13-01-2026
Latest Decision Or Authorization Date
02-03-2026
Processing Time Days
48
Number Of Sites
2
Number Of Participants
12

Sites

Site Name
Hospital Universitario Virgen De La Macarena
Department Name
Medical Oncology
Principal Investigator Name
David Vicente Baz
Principal Investigator Email
david.vbaz@gmail.com
Contact Person Name
David Vicente Baz
Contact Person Email
david.vbaz@gmail.com
Site Name
Hospital Universitario Quironsalud Madrid
Department Name
Medical Oncology
Principal Investigator Name
Belén Rubio Viqueira
Principal Investigator Email
ensayosoncologia.mad@quironsalud.es
Contact Person Name
Belén Rubio Viqueira

Poland

Earliest CTIS Part Ii Submission Date
22-01-2026
Latest Decision Or Authorization Date
26-02-2026
Processing Time Days
35
Number Of Sites
3
Number Of Participants
9

Sites

Site Name
Narodowy Instytut Onkologii Im. Marii Sklodowskiej-Curie Panstwowy Instytut Badawczy
Department Name
Klinika Nowotworów Płuca i Klatki Piersiowej
Principal Investigator Name
Sylwia Tabor
Principal Investigator Email
paulina.kukwa@nio.gov.pl
Contact Person Name
Sylwia Tabor
Contact Person Email
paulina.kukwa@nio.gov.pl
Site Name
Uniwersyteckie Centrum Kliniczne
Department Name
Centrum Wsparcia Badań Klinicznych UCK, Ośrodek Badań Klinicznych Wczesnych Faz
Principal Investigator Name
Rafał Dziadziuszko
Principal Investigator Email
obkwf@uck.gda.pl
Contact Person Name
Rafał Dziadziuszko
Contact Person Email
obkwf@uck.gda.pl
Site Name
Szpital Wojewodzki Im. Mikolaja Kopernika W Koszalinie
Department Name
Oddział Onkologii Klinicznej z Pododdziałem Chemioterapii Jednodniowej
Principal Investigator Name
Mariusz Kwiatkowski
Principal Investigator Email
sekretariat.odch@swk.med.pl
Contact Person Name
Mariusz Kwiatkowski
Contact Person Email
sekretariat.odch@swk.med.pl

Netherlands

Earliest CTIS Part Ii Submission Date
19-02-2026
Latest Decision Or Authorization Date
02-03-2026
Processing Time Days
11
Number Of Sites
2
Number Of Participants
7

Sites

Site Name
Deventer Ziekenhuis
Department Name
Department of Pulmonology
Principal Investigator Name
Rogier C. Boshuizen
Principal Investigator Email
researchoncologie@dz.nl
Contact Person Name
Rogier C. Boshuizen
Contact Person Email
researchoncologie@dz.nl
Site Name
Leids Universitair Medisch Centrum (LUMC)
Department Name
Department of Pulmonary Diseases
Principal Investigator Name
Egbert Frederik Smit
Principal Investigator Email
e.f.smit@lumc.nl
Contact Person Name
Egbert Frederik Smit
Contact Person Email
e.f.smit@lumc.nl

Finland

Earliest CTIS Part Ii Submission Date
30-01-2026
Latest Decision Or Authorization Date
17-03-2026
Processing Time Days
46
Number Of Sites
4
Number Of Participants
9

Sites

Site Name
HUS-yhtymae
Department Name
Helsinki University Hospital - Comprehensive Cancer Center
Principal Investigator Name
Ilkka Liikanen
Principal Investigator Email
ilkka.liikanen@hus.fi
Contact Person Name
Ilkka Liikanen
Contact Person Email
ilkka.liikanen@hus.fi
Site Name
Vaasa Central Hospital
Department Name
Department of Clinical Oncology
Principal Investigator Name
Ravichandra Ravi
Principal Investigator Email
ravichandra.ravi@ovph.fi
Contact Person Name
Ravichandra Ravi
Contact Person Email
ravichandra.ravi@ovph.fi
Site Name
Turku University Hospital
Department Name
Department of pulmonary diseases
Principal Investigator Name
Maria Silvoniemi
Principal Investigator Email
maria.silvoniemi@varha.fi
Contact Person Name
Maria Silvoniemi
Contact Person Email
maria.silvoniemi@varha.fi
Site Name
Kuopio University Hospital
Department Name
Oncology
Principal Investigator Name
Okko Kääriäinen
Principal Investigator Email
okko.kaariainen@pshyvinvointialue.fi
Contact Person Name
Okko Kääriäinen

Sponsor

Primary sponsor

Full Name
Merck Sharp & Dohme LLC
Organisation Type
Pharmaceutical company
Country Of Registered Address
United States

Contract research organisations

Name
Pharmaceutical Product Development LLC
Responsibilities
sponsorDuties codes: 4
Name
Syneos Health Clinique Inc.
Responsibilities
sponsorDuties codes: 4
Name
Bioclinica Inc.
Responsibilities
Central imaging
Name
Parexel International Corp.
Responsibilities
EUB services (call center and medical services)
Name
Almac Clinical Technologies LLC
Responsibilities
sponsorDuties codes: 3
Name
PPD Global Central Labs
Responsibilities
sponsorDuties codes: 4

Third parties

  • {"country":"United States","full_name":"Pharmaceutical Product Development LLC","duties_or_roles":"sponsorDuties codes: 4","organisation_type":"Pharmaceutical company"}
  • {"country":"Canada","full_name":"Syneos Health Clinique Inc.","duties_or_roles":"sponsorDuties codes: 4","organisation_type":"Hospital/Clinic/Other health care facility"}
  • {"country":"United States","full_name":"Bioclinica Inc.","duties_or_roles":"Central imaging","organisation_type":"Laboratory/Research/Testing facility"}
  • {"country":"United States","full_name":"Parexel International Corp.","duties_or_roles":"EUB services (call center and medical services)","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Almac Clinical Technologies LLC","duties_or_roles":"sponsorDuties codes: 3","organisation_type":"Pharmaceutical company"}
  • {"country":"Belgium","full_name":"PPD Global Central Labs","duties_or_roles":"sponsorDuties codes: 4","organisation_type":"Pharmaceutical company"}

Investigational products

Investigational Product Name
MK-1084
Active Substance
MK-1084
Modality
Small molecule
Routes Of Administration
ORAL / ORAL USE
Route
Oral
Authorisation Status
Investigational
Investigational Product Name
KEYTRUDA (pembrolizumab)
Active Substance
PEMBROLIZUMAB
Modality
Monoclonal antibody
Routes Of Administration
INTRAVENOUS INFUSION
Route
Intravenous infusion
Authorisation Status
Authorised (marketing authorisation EU/1/15/1024/002)
Maximum Dose
400 mg (max daily amount stated)
Investigational Product Name
CETUXIMAB
Active Substance
CETUXIMAB
Modality
Monoclonal antibody
Routes Of Administration
INTRAVENOUS INFUSION
Route
Intravenous infusion
Authorisation Status
Authorised
Maximum Dose
1250 mg (max daily amount stated)
Investigational Product Name
CARBOPLATIN
Active Substance
CARBOPLATIN
Modality
Small molecule
Routes Of Administration
INTRAVENOUS INFUSION
Route
Intravenous infusion
Authorisation Status
Authorised
Maximum Dose
750 mg (max daily amount stated)
Investigational Product Name
PEMETREXED (pemetrexed disodium)
Active Substance
PEMETREXED DISODIUM
Modality
Small molecule
Routes Of Administration
INTRAVENOUS INFUSION
Route
Intravenous infusion
Authorisation Status
Authorised
Maximum Dose
1250 mg/m2 (max daily amount stated)
Combination Treatment
Yes

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