Clinical trial Recruiting at 312 sites Phase 3 Interventional Ages 18 to 100

Comparing two treatments for advanced lung cancer

Official title: A Phase 3, Multicenter, Randomized, Open-label Study Evaluating Efficacy of Sotorasib Platinum Doublet Combination Versus Pembrolizumab Platinum Doublet Combination as a Front-Line Therapy in Subjects With Stage IV or Advanced Stage IIIB/C Nonsquamous Non-Small Cell Lung Cancers, Negative for PD-L1, and Positive for KRAS p.G12C (CodeBreaK 202)

Run by Amgen · NCT05920356 · Data updated 2026-11-12

This study is testing whether a new drug called sotorasib with chemotherapy works better than pembrolizumab with chemotherapy for people with advanced lung cancer that has a specific KRAS mutation.

Quick facts

PhasePhase 3
Study typeInterventional
Ages18 Years to 100 Years
SexAll
Enrollment750 (estimated)
SponsorAmgen
Industry-sponsored
Drugs / interventionspembrolizumab, chemotherapy
Locations418 sites (Santa Barbara, California and 417 other locations)
StatusRecruiting
StartedNovember 16, 2023
Main results expectedJune 30, 2027
Study endsJune 29, 2032
Registry record updatedNovember 6, 2026
Trial IDNCT05920356 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are individuals with stage IV or advanced stage IIIB/C nonsquamous NSCLC who have a KRAS p.G12C mutation and are negative for PD-L1 expression.

Probably not a fit

Patients with mixed histology NSCLC or those who have received prior treatment with a KRAS G12C inhibitor may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This study evaluates the effectiveness of sotorasib combined with platinum doublet chemotherapy against pembrolizumab combined with platinum doublet chemotherapy in patients with advanced nonsquamous non-small cell lung cancer (NSCLC) that has a specific KRAS mutation. The primary goal is to compare progression-free survival (PFS) between the two treatment groups. Participants must have a confirmed diagnosis of stage IV or advanced stage IIIB/C NSCLC and meet specific eligibility criteria regarding their cancer characteristics and prior treatments.

Why it matters

Potential benefit: If successful, this study could provide a more effective front-line therapy option for patients with advanced lung cancer.

How similar studies have gone: Other studies have shown promising results with similar approaches targeting KRAS mutations in lung cancer, indicating potential for success.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Histologically or cytologically confirmed diagnosis of nonsquamous stage IV or advanced Stage IIIB or IIIC NSCLC with KRAS p. G12C mutation and negative for PD-L1 expression by central testing or local laboratory testing confirmed through central testing
* No history of systemic anticancer therapy in metastatic/non-curable settings
* Eastern Cooperative Oncology Group (ECOG) ≤ 1

Exclusion Criteria:

* Mixed histology NSCLC with either small-cell or large-cell neuroendocrine cell component or predominant squamous cell histology
* Participants with tumors known to harbor molecular alterations for which targeted therapy is locally approved as a front-line therapy
* Symptomatic (treated or untreated) brain metastases
* Gastrointestinal (GI) tract disease causing the inability to take oral medication
* Myocardial infarction within 6 months of randomization, unstable arrhythmias, or unstable angina
* Prior therapy with a KRAS G12C inhibitor

Where it's running

  • Sansum Clinic
    Santa Barbara, California, United States
    Recruiting
  • Medical Oncology Hematology Consultants Helen F Graham Cancer Center
    Newark, Delaware, United States
    Recruiting
  • Boca Raton Clinical Research Coral Springs
    Coral Springs, Florida, United States
    Recruiting
  • Regis Clinical Research LLC
    Miami, Florida, United States
    Recruiting
  • Florida Clinical Trials Group Tamarac
    Tamarac, Florida, United States
    Recruiting
  • University of Illinois Chicago
    Chicago, Illinois, United States
    Recruiting
Show 44 more locations
  • Illinois Cancer Specialists
    Niles, Illinois, United States
    Recruiting
  • Medical University of South Carolina
    Waterloo, Iowa, United States
    Recruiting
  • Reliant Medical Group Inc
    Worcester, Massachusetts, United States
    Recruiting
  • University of New Mexico Cancer Center
    Albuquerque, New Mexico, United States
    Recruiting
  • Messino Cancer Centers Asheville
    Asheville, North Carolina, United States
    Recruiting
  • Duke University Medical Center Duke Cancer Center
    Durham, North Carolina, United States
    Recruiting
  • FirstHealth Cancer Center
    Pinehurst, North Carolina, United States
    Recruiting
  • Dayton Physician's Network
    Dayton, Ohio, United States
    Recruiting
  • Alliance Cancer Specialists - Media
    Media, Pennsylvania, United States
    Recruiting
  • Guthrie Medical Group
    Sayre, Pennsylvania, United States
    Recruiting
  • Medical University of South Carolina Health Lancaster Medical Center
    Lancaster, South Carolina, United States
    Recruiting
  • Regional One Health
    Memphis, Tennessee, United States
    Recruiting
  • Sarah Cannon Research Institute
    Nashville, Tennessee, United States
    Recruiting
  • Oncology Consultants PA
    Houston, Texas, United States
    Recruiting
  • University of Texas MD Anderson Cancer Center
    Houston, Texas, United States
    Recruiting
  • Vista Oncology Inc PS
    Olympia, Washington, United States
    Recruiting
  • Mercyhealth
    Janesville, Wisconsin, United States
    Recruiting
  • Instituto Alexander Fleming
    Capital Federal, Buenos Aires, Argentina
    Recruiting
  • Hospital Italiano de La Plata
    La Plata, Buenos Aires, Argentina
    Recruiting
  • Clinica Viedma
    Viedma, Río Negro Province, Argentina
    Recruiting
  • Fundacion Estudios Clinicos
    Rosario, Santa Fe Province, Argentina
    Recruiting
  • Sanatorio Parque SA
    Rosario, Santa Fe Province, Argentina
    Recruiting
  • Centro Oncologico Korben
    Capital Federal, Argentina
    Recruiting
  • Centro de Diagnostico Investigacion y Tratamiento
    Salta, Argentina
    Recruiting
  • Campbelltown Hospital
    Campbelltown, New South Wales, Australia
    Recruiting
  • Concord Repatriation General Hospital
    Concord, New South Wales, Australia
    Recruiting
  • Nepean Cancer Centre
    Kingswood, New South Wales, Australia
    Recruiting
  • Port Macquarie Base Hospital
    Port Macquarie, New South Wales, Australia
    Recruiting
  • Toowoomba Hospital
    Toowoomba, Queensland, Australia
    Recruiting
  • Cancer Research South Australia
    Adelaide, Sau, Australia
    Recruiting
  • Peter MacCallum Cancer Centre
    Melbourne, Victoria, Australia
    Recruiting
  • Medizinische Universitaet Graz
    Graz, Austria
    Recruiting
  • Klinikum Klagenfurt am Woerthersee
    Klagenfurt, Austria
    Recruiting
  • Universitaetsklinikum Krems
    Krems, Austria
    Recruiting
  • Klinik Oberwart
    Oberwart, Austria
    Recruiting
  • Standort Penzing der Klinik Ottakring
    Vienna, Austria
    Recruiting
  • Klinikum Wels - Grieskirchen GmbH
    Wels, Austria
    Recruiting
  • Algemeen Ziekenhuis Maria Middelares
    Ghent, Belgium
    Recruiting
  • Universitair Ziekenhuis Gent
    Ghent, Belgium
    Recruiting
  • Centre Hospitalier Regional de la Citadelle
    Liège, Belgium
    Recruiting
  • Cenantron Centro Avançado de Tratamento Oncologico Ltda
    Belo Horizonte, Minas Gerais, Brazil
    Recruiting
  • Instituto Medicina Integral Imip
    Recife, Pernambuco, Brazil
    Recruiting
  • Oncoclinicas Rio de Janeiro S A
    Rio de Janeiro, Rio de Janeiro, Brazil
    Recruiting
  • Liga Norte-Riograndense Contra O Cancer
    Natal, Rio Grande do Norte, Brazil
    Recruiting

+368 more sites. See ClinicalTrials.gov for the full list.

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.