Clinical trial • Phase I/II • Oncology

MK-1084 for Non-small cell lung cancer

Phase I/II trial of MK-1084 for Non-small cell lung cancer. adaptive. 133 participants.

Overview

Trial Therapeutic Area
Oncology
Trial Disease
Non-small cell lung cancer
Trial Stage
Phase I/II
Drug Modality
ADC | Monoclonal antibody | Small molecule

Key dates

Initial CTIS Submission Date
29-10-2025
First CTIS Authorization Date
04-03-2026

Trial design

adaptive Phase I/II trial in Germany, Greece, Hungary and others.

Adaptive
True, rolling-arm umbrella design with dose-escalation elements (DLT-based escalation in phase 1b) and expansion into phase 2 cohorts; adaptive addition/removal of arms (rolling arms) and transition from dose-finding to efficacy evaluation with BICR-assessed endpoints.
Biomarker Stratified
True; biomarker: KRAS G12C mutation (participants selected on presence of KRAS G12C)
Single Multiple Or Escalation Dose Combined
Yes
Target Sample Size
133

Eligibility

Recruits 133 No vulnerable populations selected. Study documentation and consent materials indicate adult participants (adult consent forms present for each country); assent/parental consent is not applicable..

Vulnerable Population
No vulnerable populations selected. Study documentation and consent materials indicate adult participants (adult consent forms present for each country); assent/parental consent is not applicable.

Inclusion criteria

  • {"criterion_text":"- Has histologically or cytologically confirmed diagnosis of advanced or metastatic non-squamous non-small cell lung cancer (NSCLC)"}
  • {"criterion_text":"- Has tumor tissue or circulating tumor deoxyribonucleic acid (ctDNA) that demonstrates the presence of Kirsten rat sarcoma viral oncogene (KRAS) mutation of glycine to cysteine at codon 12 (G12C) mutations"}
  • {"criterion_text":"- Has documented disease progression after receiving 1-2 prior lines of programmed cell death protein 1 (PD-1)/programmed death-ligand 1 (PD-L1) therapy and platinum-based chemotherapy"}
  • {"criterion_text":"- Provides archival tumor tissue sample of a tumor lesion not previously irradiated"}
  • {"criterion_text":"- Has provided tissue prior to treatment allocation/randomization from a newly obtained biopsy of a tumor lesion not previously irradiated"}
  • {"criterion_text":"- Participants with human immunodeficiency virus (HIV) infection must have well-controlled HIV on antiretroviral therapy (ART) per protocol"}

Exclusion criteria

  • {"criterion_text":"- Has a diagnosis of small cell lung cancer or, for mixed tumors, presence of small cell elements"}
  • {"criterion_text":"- Has clinically severe pulmonary compromise resulting from intercurrent pulmonary illnesses"}
  • {"criterion_text":"- Has known active central nervous system (CNS) metastases and/or carcinomatous meningitis"}
  • {"criterion_text":"- Has active inflammatory bowel disease requiring immunosuppressive medication or previous history of inflammatory bowel disease"}
  • {"criterion_text":"- Has evidence of any leptomeningeal disease"}
  • {"criterion_text":"- Has uncontrolled or significant cardiovascular disorder or cerebrovascular disease prior to allocation/randomization"}
  • {"criterion_text":"- Has one or more of the following ophthalmological conditions: a) Clinically significant corneal disease b) history of documented severe dry eye syndrome, severe Meibomian gland disease and/or blepharitis"}
  • {"criterion_text":"- HIV-infected participants with a history of Kaposi’s sarcoma and/or Multicentric Castleman’s Disease"}
  • {"criterion_text":"- Has received previous treatment with an agent targeting KRAS"}
  • {"criterion_text":"- Has received a live or live-attenuated vaccine within 30 days before the first dose of study intervention"}
  • {"criterion_text":"- Has a diagnosis of immunodeficiency or is receiving chronic systemic steroid therapy or any other form of immunosuppressive therapy within 7 days prior to the first dose of study intervention"}
  • {"criterion_text":"- Has known additional malignancy that is progressing or has required active treatment within the past 3 years"}
  • {"criterion_text":"- Has history of (noninfectious) pneumonitis/ interstitial lung disease (ILD) that required steroids or has current pneumonitis/ILD"}
  • {"criterion_text":"- Has an active infection requiring systemic therapy"}
  • {"criterion_text":"- Have not adequately recovered from major surgery or have ongoing surgical complications"}

Endpoints

Primary endpoints

  • {"endpoint_text":"- Number of Participants Who Experience a Dose Limiting Toxicity (DLT)","definition_or_measurement_approach":"Count of participants experiencing DLTs (safety assessment during dose-escalation period); DLTs used to inform dose-escalation decisions."}
  • {"endpoint_text":"- Number of Participants Who Experience an Adverse Event (AE)","definition_or_measurement_approach":"Count of participants experiencing AEs as recorded per study safety reporting procedures."}
  • {"endpoint_text":"- Number of Participants Who Discontinue Study Treatment Due to an AE","definition_or_measurement_approach":"Count of participants who permanently discontinue study treatment due to an adverse event."}
  • {"endpoint_text":"- Objective Response Rate (ORR)","definition_or_measurement_approach":"ORR assessed per RECIST 1.1 as determined by blinded independent central review (BICR)."}

Secondary endpoints

  • {"endpoint_text":"- Duration of Response (DOR)","definition_or_measurement_approach":"DOR per RECIST 1.1 as assessed by BICR."}
  • {"endpoint_text":"- Progression-Free Survival (PFS)","definition_or_measurement_approach":"PFS per RECIST 1.1 as assessed by BICR (Phase 2 only)."}
  • {"endpoint_text":"- Area Under the Curve From Time 0 to the End of the Dosing Interval (AUC tau)","definition_or_measurement_approach":"Pharmacokinetic measurement calculated from plasma concentration-time data over a dosing interval (PK characterization)."}
  • {"endpoint_text":"- Maximum Plasma Concentration (Cmax)","definition_or_measurement_approach":"PK measurement of peak plasma concentration following dosing."}
  • {"endpoint_text":"- Minimum Observed Concentration (Ctrough)","definition_or_measurement_approach":"PK measurement of trough plasma concentration prior to next dose."}

Recruitment

Planned Sample Size
133
Recruitment Window Months
76
Consent Approach
Informed consent obtained from adult participants. Country-specific informed consent forms provided (documents show main consent forms and optional/ancillary consents per country: Germany, Greece, Hungary, Italy, Spain, Poland). Documents include optional limited screening consent, pregnancy partner/follow-up consents, genetic consent and data privacy forms where applicable. No assent/parental consent materials for minors are provided.

Geography

Total Number Of Sites
18
Total Number Of Participants
57

Germany

Earliest CTIS Part Ii Submission Date
06-02-2026
Latest Decision Or Authorization Date
05-03-2026
Processing Time Days
27
Number Of Sites
2
Number Of Participants
4

Sites

Site Name
Thoraxklinik Heidelberg gGmbH
Department Name
Thoracic Oncology
Principal Investigator Name
Farastuk Bozorgmehr
Principal Investigator Email
bozorgmehr@med.uni-heidelberg.de
Contact Person Name
Farastuk Bozorgmehr
Site Name
Universitaetsklinikum Tuebingen AöR
Department Name
Medizinische Klinik VIII
Principal Investigator Name
Thorben Gross
Principal Investigator Email
Thorben.Gross@med.uni-tuebingen.de
Contact Person Name
Thorben Gross

Greece

Earliest CTIS Part Ii Submission Date
27-11-2025
Latest Decision Or Authorization Date
09-03-2026
Processing Time Days
102
Number Of Sites
3
Number Of Participants
8

Sites

Site Name
Thoracic General Hospital Of Athens I Sotiria
Department Name
3rd Dept of Internal Medicine and Laboratory, Oncology Department
Principal Investigator Name
Konstantinos Syrigos
Principal Investigator Email
ksyrigos.trials@gmail.com
Contact Person Name
Konstantinos Syrigos
Contact Person Email
ksyrigos.trials@gmail.com
Site Name
General Hospital Of Athens Alexandra
Department Name
Oncology – Hematology Department – Unit of Plasma Cell Dyscrasias, University of Athens
Principal Investigator Name
Michalis Liontos
Principal Investigator Email
mliontos@gmail.com
Contact Person Name
Michalis Liontos
Contact Person Email
mliontos@gmail.com
Site Name
General Hospital Of Thessaloniki Papageorgiou
Department Name
Molecular Medicine Clinic
Principal Investigator Name
Georgios Lazaridis
Principal Investigator Email
georlaz@yahoo.gr
Contact Person Name
Georgios Lazaridis
Contact Person Email
georlaz@yahoo.gr

Hungary

Earliest CTIS Part Ii Submission Date
29-01-2026
Latest Decision Or Authorization Date
09-03-2026
Processing Time Days
39
Number Of Sites
3
Number Of Participants
10

Sites

Site Name
Orszagos Koranyi Pulmonologiai Intezet
Department Name
Országos Korányi Pulmonológiai Intézet
Principal Investigator Name
Gyula Ostoros
Principal Investigator Email
drostorosgyula@gmail.com
Contact Person Name
Gyula Ostoros
Contact Person Email
drostorosgyula@gmail.com
Site Name
Bacs-Kiskun Varmegyei Oktatokorhaz
Department Name
Onkoradiológiai Központ
Principal Investigator Name
Zsuzsanna Kelemen
Principal Investigator Email
kelemenzs@kmk.hu
Contact Person Name
Zsuzsanna Kelemen
Contact Person Email
kelemenzs@kmk.hu
Site Name
Jasz-Nagykun-Szolnok Varmegyei Hetenyi Geza Korhaz-Rendelointezet
Department Name
Onkológiai Központ
Principal Investigator Name
Zsuzsanna Orosz
Principal Investigator Email
zsuzsa.orosz@gmail.com
Contact Person Name
Zsuzsanna Orosz
Contact Person Email
zsuzsa.orosz@gmail.com

Italy

Earliest CTIS Part Ii Submission Date
30-01-2026
Latest Decision Or Authorization Date
04-03-2026
Processing Time Days
33
Number Of Sites
4
Number Of Participants
6

Sites

Site Name
Fondazione IRCCS Istituto Nazionale Dei Tumori
Department Name
Oncologia Medica
Principal Investigator Name
Giuseppe LO RUSSO
Principal Investigator Email
giuseppe.lorusso@istitutotumori.mi.it
Contact Person Name
Giuseppe LO RUSSO
Site Name
Istituto San Raffaele
Department Name
Oncologia Medica
Principal Investigator Name
Roberto FERRARA
Principal Investigator Email
ferrara.roberto@hsr.it
Contact Person Name
Roberto FERRARA
Contact Person Email
ferrara.roberto@hsr.it
Site Name
Istituto Romagnolo Per Lo Studio Dei Tumori Dino Amadori IRST S.r.l.
Department Name
Oncologia Medica
Principal Investigator Name
Angelo DEL MONTE
Principal Investigator Email
angelo.delmonte@irst.emr.it
Contact Person Name
Angelo DEL MONTE
Contact Person Email
angelo.delmonte@irst.emr.it
Site Name
Azienda Ospedaliero Universitaria Careggi
Department Name
Dipartimento di Scienze Biomediche
Principal Investigator Name
Lorenzo LIVI
Principal Investigator Email
lorenzo.livi@unifi.it
Contact Person Name
Lorenzo LIVI
Contact Person Email
lorenzo.livi@unifi.it

Spain

Earliest CTIS Part Ii Submission Date
05-02-2026
Latest Decision Or Authorization Date
05-03-2026
Processing Time Days
28
Number Of Sites
3
Number Of Participants
22

Sites

Site Name
Institut Catala D'oncologia
Department Name
Medical Oncology
Principal Investigator Name
Ernest Nadal Alforja
Principal Investigator Email
contactfortrialsICOLH@iconcologia.net
Contact Person Name
Ernest Nadal Alforja
Site Name
Hospital Clinic De Barcelona
Department Name
Medical Oncology
Principal Investigator Name
Laura Mezquita Pérez
Principal Investigator Email
LMEZQUITA@clinic.cat
Contact Person Name
Laura Mezquita Pérez
Contact Person Email
LMEZQUITA@clinic.cat
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

Poland

Earliest CTIS Part Ii Submission Date
23-01-2026
Latest Decision Or Authorization Date
07-03-2026
Processing Time Days
43
Number Of Sites
3
Number Of Participants
7

Sites

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
Site Name
Uniwersyteckie Centrum Kliniczne
Department Name
Centrum Wsparcia Badań Klinicznych UCK, Ośrodek Badań Klinicznych Wczesnych Faz
Principal Investigator Name
Magdalena Błaszkowska
Principal Investigator Email
obkwf@uck.gda.pl
Contact Person Name
Magdalena Błaszkowska
Contact Person Email
obkwf@uck.gda.pl
Site Name
Narodowy Instytut Onkologii Im. Marii Sklodowskiej-Curie Panstwowy Instytut Badawczy
Department Name
Klinika Nowotworów Płuca i Klatki Piersiowej
Principal Investigator Name
Dariusz Kowalski
Principal Investigator Email
paulina.kukwa@nio.gov.pl
Contact Person Name
Dariusz Kowalski
Contact Person Email
paulina.kukwa@nio.gov.pl

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
PPD Development LP
Name
Bioclinica Inc.
Responsibilities
ILD adjudication; image collection and BICR services
Name
PPD Global Central Labs
Name
Almac Clinical Services LLC
Name
Frontage Laboratories Inc.
Responsibilities
Referral lab PK/ADA
Name
Syneos Health Clinique Inc.
Responsibilities
Referral lab PK/ADA

Third parties

  • {"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":"PPD Development LP","duties_or_roles":"","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Bioclinica Inc.","duties_or_roles":"ILD Adjudication RE: MK-2870, MK-1022","organisation_type":"Laboratory/Research/Testing facility"}
  • {"country":"United States","full_name":"Bioclinica Inc.","duties_or_roles":"Image collection, quality check, BICR per RECIST 1.1 (including expedited verification of eligibility and verification of progression services), BICR per RANO-BM","organisation_type":"Laboratory/Research/Testing facility"}
  • {"country":"Belgium","full_name":"PPD Global Central Labs","duties_or_roles":"","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"PPD Development LP","duties_or_roles":"","organisation_type":"Pharmaceutical company"}
  • {"country":"Canada","full_name":"Syneos Health Clinique Inc.","duties_or_roles":"Referral Lab (MK-1084) PK/ADA","organisation_type":"Hospital/Clinic/Other health care facility"}
  • {"country":"United States","full_name":"Almac Clinical Services LLC","duties_or_roles":"","organisation_type":"Pharmaceutical company"}
  • {"country":"United States","full_name":"Frontage Laboratories Inc.","duties_or_roles":"Referral Lab (MK-2870) PK/ADA","organisation_type":"Pharmaceutical company"}

Investigational products

Investigational Product Name
MK-1084
Active Substance
MK-1084
Modality
Small molecule
Routes Of Administration
ORAL
Route
ORAL
Authorisation Status
Authorised
Investigational Product Name
MK-1022
Active Substance
PATRITUMAB DERUXTECAN
Modality
ADC
Routes Of Administration
INTRAVENOUS INFUSION
Route
INTRAVENOUS INFUSION
Authorisation Status
Authorised
Investigational Product Name
MK-2870
Active Substance
SACITUZUMAB TIRUMOTECAN
Modality
ADC
Routes Of Administration
INTRAVENOUS INFUSION
Route
INTRAVENOUS INFUSION
Authorisation Status
Authorised
Investigational Product Name
CETUXIMAB
Active Substance
CETUXIMAB
Modality
Monoclonal antibody
Routes Of Administration
INTRAVENOUS INFUSION
Route
INTRAVENOUS INFUSION
Authorisation Status
Not authorised
Combination Treatment
Yes

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