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A Phase 3, Randomized, Placebo-Controlled Clinical Study to Evaluate the Safety and Efficacy of Stereotactic Body Radiotherapy (SBRT) with or without Pembrolizumab (MK-3475) in Participants with Unresected Stage I or II Non-Small Cell Lung Cancer (NSCLC) (KEYNOTE-867)

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2022-500413-11-00
Acronym
MK3475-867
Enrollment
243
Registered
2023-01-27
Start date
2019-06-17
Completion date
2024-08-29
Last updated
2024-07-17

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Unresected Stage I or II Non-Small Cell Lung Cancer (NSCLC)

Brief summary

Event-Free Survival (EFS)

Detailed description

Overall Survival (OS), Time to Death or Distant Metastases (TDDM), Number of Participants Who Experience an Adverse Event (AE), Number of Participants Who Discontinue Study Treatment Due to an AE, Change from Baseline in European Organization for Research and Treatment of Cancer Quality of Life Questionnaire-Core 30 (EORTC QLQ-C30) Global Health Status/Quality of Life (Items 29 and 30) Score, Change from Baseline in European Organization for Research and Treatment of Cancer Quality of Life Questionnaire-Lung Cancer Module 13 (EORTC QLQ-LC13) Cough (Item 1) Score, Change from Baseline in European Organization for Research and Treatment of Cancer Quality of Life Questionnaire-Lung Cancer Module 13 (EORTC QLQ-LC13) Chest Pain (Item 10) Score, Change from Baseline in European Organization for Research and Treatment of Cancer Quality of Life Questionnaire-Core 30 (EORTC QLQ-C30) Dyspnea (Item 8) Score, Change from Baseline in European Organization for Research and Treatment of Cancer Quality of Life Questionnaire-C30 (EORTC QLQ-C30) Physical Functioning (Items 1-5) Score

Interventions

DRUGKEYTRUDA 25 mg/mL concentrate for solution for infusion
DRUGPlacebo to Keytruda-Normal Saline Solution

Sponsors

Merck Sharp & Dohme Corp.
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Design outcomes

Primary

MeasureTime frame
Event-Free Survival (EFS)

Secondary

MeasureTime frame
Overall Survival (OS), Time to Death or Distant Metastases (TDDM), Number of Participants Who Experience an Adverse Event (AE), Number of Participants Who Discontinue Study Treatment Due to an AE, Change from Baseline in European Organization for Research and Treatment of Cancer Quality of Life Questionnaire-Core 30 (EORTC QLQ-C30) Global Health Status/Quality of Life (Items 29 and 30) Score, Change from Baseline in European Organization for Research and Treatment of Cancer Quality of Life Questionnaire-Lung Cancer Module 13 (EORTC QLQ-LC13) Cough (Item 1) Score, Change from Baseline in European Organization for Research and Treatment of Cancer Quality of Life Questionnaire-Lung Cancer Module 13 (EORTC QLQ-LC13) Chest Pain (Item 10) Score, Change from Baseline in European Organization for Research and Treatment of Cancer Quality of Life Questionnaire-Core 30 (EORTC QLQ-C30) Dyspnea (Item 8) Score, Change from Baseline in European Organization for Research and Treatment of Cancer Qualit

Countries

Austria, France, Germany, Hungary, Italy, Netherlands, Norway, Poland, Romania, Spain

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026