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Study identifier: NCT04317534 Synced from ClinicalTrials.gov · July 29, 2026
● Recruiting

Adjuvant Pembrolizumab vs Observation Following Curative Resection for Stage I Non-small Cell Lung Cancer (NSCLC) With Primary Tumors Between 1-4 cm

Condition: NSCLC, Stage I  ·  Sponsor: Greg Durm, MD

PhasePhase 2
Planned participants244
Who can joinAll sexes, 18 Years to no upper limit
Healthy volunteersNo

About this study

A randomized trial of adjuvant Pembrolizumab following surgical resection versus observation following surgical resection in patients with stage I non-small cell lung cancer (NSCLC) with primary tumors between 1-4 cm. Patients will be randomized (1:1) 4-12 weeks following surgery to either: * Arm A: Pembrolizumab 400 mg every 6 weeks × 9 cycles * Arm B: Observation Stratification factors will include: PD-L1 TPS (\<50% vs. ≥50%), and tumor size (1-2 cm vs. \>2-4 cm)

This description comes directly from the study's public registry record.

Talk to the study team

Greg Durm, MD  ·  317-944-3940  ·  gdurm@iu.edu

Allison Lipps  ·  317-634-5842  ·  alipps@hoosiercancer.org

Always discuss trial participation with your own doctor first.

Locations (13)

Moffit Cancer CenterTampa, Florida, United StatesRecruiting
University of Illinois Cancer CenterChicago, Illinois, United StatesRecruiting
Indiana University Melvin and Bren Simon Cancer CenterIndianapolis, Indiana, United StatesRecruiting
University of Iowa Hospitals and ClinicsIowa City, Iowa, United StatesRecruiting
University of MinnesotaMinneapolis, Minnesota, United StatesRecruiting
University of Nebraska Medical CenterOmaha, Nebraska, United StatesRecruiting
Rutgers Cancer Institute of New JerseyNew Brunswick, New Jersey, United StatesRecruiting
Ohio State University Comprehensive Cancer CenterColumbus, Ohio, United StatesRecruiting
Providence Health & Services - OregonPortland, Oregon, United StatesRecruiting
Penn State Cancer InstituteHershey, Pennsylvania, United StatesRecruiting
University of Virginia Health SystemCharlottesville, Virginia, United StatesRecruiting
Virginia Commonwealth UniversityRichmond, Virginia, United StatesRecruiting

+ 1 more locations — full list on the registry record.

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Source record: clinicaltrials.gov/study/NCT04317534