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Completed Phase 2 Interventional Results available

A Trial of Pembrolizumab in Combination With Chemotherapy and Radiotherapy in Stage III NSCLC (KEYNOTE-799, MK-3475-799)

ClinicalTrials.gov ID: NCT03631784

Public ClinicalTrials.gov record NCT03631784. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced May 8, 2026, 8:09 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase 2 Trial of Pembrolizumab (MK-3475) in Combination With Platinum Doublet Chemotherapy and Radiotherapy for Participants With Unresectable, Locally Advanced Stage III Non-Small Cell Lung Cancer (NSCLC) (KEYNOTE-799)

Study identification

NCT ID
NCT03631784
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Enrollment
216 participants

Conditions and interventions

Interventions

  • Carboplatin AUC2 Drug
  • Carboplatin AUC6 Drug
  • Cisplatin 75 mg/m^2 Drug
  • Paclitaxel 200 mg/m^2 Drug
  • Paclitaxel 45 mg/m^2 Drug
  • Pembrolizumab 200 mg Drug
  • Pemetrexed 500 mg/m^2 Drug
  • Thoracic Radiation Therapy (TRT) Radiation

Drug · Radiation

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Oct 18, 2018
Primary completion
Oct 17, 2021
Completion
Mar 18, 2024
Last update posted
Mar 24, 2025

2018 – 2024

United States locations

U.S. sites
10
U.S. states
10
U.S. cities
10
Facility City State ZIP Site status
St Joseph Heritage Healthcare ( Site 1403) Santa Rosa California 95403
North Shore University Health System ( Site 1413) Evanston Illinois 60201
Parkview Cancer Institute ( Site 1415) Fort Wayne Indiana 46845
UMass Memorial Medical Center ( Site 1417) Worcester Massachusetts 01655
Henry Ford Hospital ( Site 1418) Detroit Michigan 48202
St. Francis Cancer Treatment Center ( Site 1421) Grand Island Nebraska 68803
Rutgers Cancer Institute of New Jersey ( Site 1422) New Brunswick New Jersey 08903
CTCA Southwestern ( Site 1428) Tulsa Oklahoma 74133
Fox Chase Cancer Center ( Site 1433) Philadelphia Pennsylvania 19111
Sanford Cancer Center Oncology Clinic ( Site 1434) Sioux Falls South Dakota 57104

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 46 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03631784, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Mar 24, 2025 · Synced May 8, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03631784 live on ClinicalTrials.gov.

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