Clinical trial • Phase II • Oncology

MK-1084 for KRAS G12C-mutant advanced solid tumors | Neoplasm malignant with KRAS G12C mutation

Phase II trial of MK-1084 for KRAS G12C-mutant advanced solid tumors | Neoplasm malignant with KRAS G12C mutation.

Overview

Trial Therapeutic Area
Oncology
Trial Disease
KRAS G12C-mutant advanced solid tumors | Neoplasm malignant with KRAS G12C mutation
Trial Stage
Phase II
Drug Modality
Small molecule | Monoclonal antibody

Key dates

Initial CTIS Submission Date
17-07-2025
First CTIS Authorization Date
12-11-2025

Trial design

open-label, mk-1084 plus cetuximab versus mk-1084 monotherapy; doses and schedules not specified in the provided record-controlled Phase II trial in Germany, France, Spain and others.

Open Label
Yes
Comparator
MK-1084 plus cetuximab versus MK-1084 monotherapy; doses and schedules not specified in the provided record
Biomarker Stratified
True (KRAS G12C mutation - participants selected for presence of KRAS G12C)
Target Sample Size
97

Eligibility

Recruits 97 No vulnerable population selected (isVulnerablePopulationSelected: false)..

Vulnerable Population
No vulnerable population selected (isVulnerablePopulationSelected: false).

Inclusion criteria

  • {"criterion_text":"- Has locally advanced unresectable or metastatic solid tumor malignancy other than colorectal cancer and has progressed on, or following, standard of care systemic treatment\n- Has a tumor that demonstrates the presence of Kirsten rat sarcoma (KRAS) G12C mutation"}

Exclusion criteria

  • {"criterion_text":"- Has uncontrolled, significant cardiovascular disease or cerebrovascular disease\n- Has known additional malignancy that is progressing or has required active treatment within the past 3 years\n- Has known active central nervous system metastases and/or carcinomatous meningitis and/or primary brain tumors\n- Has active infection, other than those permitted per protocol, requiring systemic therapy\n- Has not adequately recovered from major surgery or has ongoing surgical complications"}

Endpoints

Primary endpoints

  • {"endpoint_text":"- Objective Response Rate (ORR)","definition_or_measurement_approach":"ORR per RECIST 1.1 as assessed by blinded independent central review (BICR) (as stated in main objectives)"}
  • {"endpoint_text":"- Number of Participants Who Experience One or More Adverse Events (AEs)","definition_or_measurement_approach":"Count of participants who experience one or more adverse events (AE) as reported during the study (no further measurement details provided)"}
  • {"endpoint_text":"- Number of Participants Who Discontinue Study Intervention Due to an AE","definition_or_measurement_approach":"Count of participants who discontinue study intervention due to an adverse event (AE) (no further measurement details provided)"}

Secondary endpoints

  • {"endpoint_text":"- Overall Survival (OS)","definition_or_measurement_approach":"Overall survival (OS) as stated (time to death); specific assessment details not provided"}
  • {"endpoint_text":"- Duration of Response (DOR)","definition_or_measurement_approach":"DOR per RECIST 1.1 as assessed by blinded independent central review (BICR) (as stated in secondary objectives)"}
  • {"endpoint_text":"- Progression-free Survival (PFS)","definition_or_measurement_approach":"PFS per RECIST 1.1 as assessed by blinded independent central review (BICR) (as stated in secondary objectives)"}

Recruitment

Planned Sample Size
97
Recruitment Window Months
75
Consent Approach
Main informed consent forms and optional consent modules are provided (country-specific L1_ICF_Main consent documents are listed). Optional consent modules referenced in documents include limited screening consent, pregnancy follow-up, pregnant partner, data privacy and optional sample consents. Country-specific ICFs are present for multiple countries (e.g., DEU, FRA, ESP, ITA, GRC, NOR, DNK, POL, SWE) as indicated by the listed documents.

Geography

Total Number Of Sites
25
Total Number Of Participants
74

Germany

Earliest CTIS Part Ii Submission Date
27-10-2025
Latest Decision Or Authorization Date
13-11-2025
Processing Time Days
17
Number Of Sites
3
Number Of Participants
6

Sites

Site Name
Universitaet Leipzig
Department Name
Universitäres Krebszentrum Leipzig
Contact Person Name
Gertraut Stocker
Site Name
Universitaetsklinikum Jena KöR
Department Name
Abteilung für Hämatologie und Internistische Onkologie der KIM II
Contact Person Name
Jakob Hammersen
Contact Person Email
jakob.hammeren@med.uni-jena.de
Site Name
Charite Universitaetsmedizin Berlin KöR
Department Name
Onkologische Portalambulanz
Contact Person Name
Arndt Stahler

France

Earliest CTIS Part Ii Submission Date
29-09-2025
Latest Decision Or Authorization Date
14-11-2025
Processing Time Days
46
Number Of Sites
2
Number Of Participants
8

Sites

Site Name
Assistance Publique Hopitaux De Paris
Department Name
Oncologie Medicale
Contact Person Name
Baptiste ABBAR
Contact Person Email
baptiste.abbar@aphp.fr
Site Name
Centre Hospitalier Et Universitaire De Limoges
Department Name
Oncologie Medicale
Contact Person Name
Frederic THUILLIER

Spain

Earliest CTIS Part Ii Submission Date
06-10-2025
Latest Decision Or Authorization Date
17-11-2025
Processing Time Days
42
Number Of Sites
5
Number Of Participants
11

Sites

Site Name
Hospital Clinico San Carlos
Department Name
Medical Oncology
Contact Person Name
Jorge Bartolomé Arcilla
Site Name
Hospital Universitario Virgen De La Victoria
Department Name
Medical Oncology
Contact Person Name
Javier García Corbacho
Contact Person Email
fasestempranas@ibima.eu
Site Name
Hospital Quironsalud Barcelona
Department Name
NEXT Oncology Phase I unit - IOB Hospital Quironsalud Barcelona
Contact Person Name
Omar Saavedra Santa Gadea
Contact Person Email
osaavedra@nextoncology.eu
Site Name
Hospital Clinic De Barcelona
Department Name
Medical Oncology
Contact Person Name
Ivan Manuel Victoria Ruiz
Contact Person Email
ivictori@recerca.clinic.cat
Site Name
Hospital Universitari Vall D Hebron
Department Name
Medical Oncology
Contact Person Name
Elena Garralda Cabanas
Contact Person Email
egarralda@vhio.net

Italy

Earliest CTIS Part Ii Submission Date
30-09-2025
Latest Decision Or Authorization Date
14-11-2025
Processing Time Days
45
Number Of Sites
3
Number Of Participants
7

Sites

Site Name
Istituto Nazionale Dei Tumori
Department Name
Struttura Complessa Oncologia Medica 1
Contact Person Name
Silvia Damian
Site Name
Humanitas Mirasole S.p.A.
Department Name
Unità Operativa di Oncologia ed Ematologia
Contact Person Name
Matteo Simonelli
Contact Person Email
matteo.simonelli@hunimed.eu
Site Name
Fondazione Policlinico Universitario Agostino Gemelli IRCCS
Department Name
U.O.C. di Oncologia Medica
Contact Person Name
Giampaolo Tortora

Greece

Earliest CTIS Part Ii Submission Date
04-08-2025
Latest Decision Or Authorization Date
12-11-2025
Processing Time Days
100
Number Of Sites
2
Number Of Participants
6

Sites

Site Name
Athens Medical Center S.A.
Department Name
International Oncology Center- Oncology Department
Contact Person Name
Sofia Baka
Contact Person Email
bakasofia@hotmail.com
Site Name
Laiko General Hospital Of Athens
Department Name
University of Athens, Oncology Department
Contact Person Name
Helen Gogas
Contact Person Email
helgogas@gmail.com

Norway

Earliest CTIS Part Ii Submission Date
09-10-2025
Latest Decision Or Authorization Date
13-11-2025
Processing Time Days
35
Number Of Sites
2
Number Of Participants
6

Sites

Site Name
Oslo University Hospital HF
Department Name
Department of Oncology
Contact Person Name
Tormod Kyrre Guren
Contact Person Email
uxtour@ous-hf.no
Site Name
Helse Bergen HF
Department Name
Department of Oncology
Contact Person Name
Cornelia Schuster

Denmark

Earliest CTIS Part Ii Submission Date
22-10-2025
Latest Decision Or Authorization Date
12-11-2025
Processing Time Days
21
Number Of Sites
2
Number Of Participants
12

Sites

Site Name
Rigshospitalet
Department Name
Department of Oncology
Contact Person Name
Kristoffer Rohrberg
Site Name
Odense University Hospital
Department Name
Department of Oncology
Contact Person Name
Jon Henriksen
Contact Person Email
jon.henriksen@rsyd.dk

Poland

Earliest CTIS Part Ii Submission Date
07-10-2025
Latest Decision Or Authorization Date
15-11-2025
Processing Time Days
39
Number Of Sites
4
Number Of Participants
12

Sites

Site Name
Narodowy Instytut Onkologii Im. Marii Sklodowskiej-Curie Panstwowy Instytut Badawczy
Department Name
Oddział Badań Wczesnych Faz
Contact Person Name
Iwona Ługowska
Contact Person Email
obwf@nio.gov.pl
Site Name
Szpital Wojewodzki Im. Mikolaja Kopernika W Koszalinie
Department Name
Oddział Onkologii Klinicznej z Pododdziałem Chemioterapii Jednodniowej
Contact Person Name
Mariusz Kwiatkowski
Contact Person Email
sekretariat.odch@swk.med.pl
Site Name
Pratia S.A.
Department Name
MTZ Clinical Research Powered By Pratia
Contact Person Name
Krzysztof Woźniak
Contact Person Email
info@pratia.com
Site Name
Uniwersyteckie Centrum Kliniczne
Department Name
Centrum Wsparcia Badań Klinicznych UCK Ośrodek Badań Klinicznych Wczesnych Faz
Contact Person Name
Łukasz Jędrzejewski
Contact Person Email
obkwf@uck.gda.pl

Sweden

Earliest CTIS Part Ii Submission Date
10-10-2025
Latest Decision Or Authorization Date
12-11-2025
Processing Time Days
33
Number Of Sites
2
Number Of Participants
6

Sites

Site Name
Sahlgrenska University Hospital-Vaestra Goetalandsregionen
Department Name
Onkologikliniken
Contact Person Name
Edvard Abel
Contact Person Email
edvard.abel@vgregion.se
Site Name
Karolinska University Hospital
Department Name
Fas 1-enheten Solna, Centrum för Kliniska Cancerstudier (CKC), Tema Cancer
Contact Person Name
Maximilian Kordes

Sponsor

Primary sponsor

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

Contract research organisations

Name
Parexel International Corp.
Responsibilities
EUB services (call center and medical services)
Name
Almac Clinical Technologies LLC
Name
Almac Diagnostic Services LLC
Name
PPD Global Central Labs

Third parties

  • {"country":"United States","full_name":"Almac Clinical Technologies LLC","duties_or_roles":"","organisation_type":"Pharmaceutical company"}
  • {"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":"Eresearchtechnology Inc.","duties_or_roles":"","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Omniseq Inc.","duties_or_roles":"","organisation_type":"Laboratory/Research/Testing facility"}
  • {"country":"France","full_name":"Median Technologies","duties_or_roles":"Imaging","organisation_type":"Pharmaceutical company"}
  • {"country":"Canada","full_name":"Syneos Health Clinique Inc.","duties_or_roles":"","organisation_type":"Hospital/Clinic/Other health care facility"}
  • {"country":"Belgium","full_name":"PPD Global Central Labs","duties_or_roles":"","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Almac Diagnostic Services LLC","duties_or_roles":"","organisation_type":"Pharmaceutical company"}

Investigational products

Investigational Product Name
MK-1084
Active Substance
MK-1084
Modality
Small molecule
Routes Of Administration
OTHER USE
Route
OTHER USE
Authorisation Status
prodAuthStatus=1
Investigational Product Name
CETUXIMAB
Active Substance
CETUXIMAB
Modality
Monoclonal antibody
Routes Of Administration
INTRAVENOUS INFUSION
Route
INTRAVENOUS INFUSION
Authorisation Status
prodAuthStatus=2
Maximum Dose
maxDailyDoseAmount 500 mg/m2; maxTotalDoseAmount 84000 (units as provided)
Combination Treatment
Yes

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