ClinicalTrials.gov record
Completed Phase 3 Interventional Results available

A Study of Pembrolizumab (MK-3475) in Combination With Etoposide/Platinum (Cisplatin or Carboplatin) for Participants With Extensive Stage Small Cell Lung Cancer (MK-3475-604/KEYNOTE-604)

ClinicalTrials.gov ID: NCT03066778

Public ClinicalTrials.gov record NCT03066778. 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 17, 2026, 7:17 PM 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 3 Randomized, Double-Blind, Placebo-controlled Trial of Pembrolizumab (MK-3475/SCH900475) in Combination With Etoposide/Platinum (Cisplatin or Carboplatin) for the First-line Treatment of Subjects With Extensive Stage Small Cell Lung Cancer (KEYNOTE-604)

Study identification

NCT ID
NCT03066778
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Enrollment
453 participants

Conditions and interventions

Interventions

  • Carboplatin Drug
  • Cisplatin Drug
  • Etoposide Drug
  • Normal saline solution Drug
  • Pembrolizumab Biological

Drug · Biological

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
May 1, 2017
Primary completion
Dec 1, 2019
Completion
Sep 20, 2021
Last update posted
Oct 2, 2022

2017 – 2021

United States locations

U.S. sites
27
U.S. states
16
U.S. cities
24
Facility City State ZIP Site status
Baptist Health Medical Group Oncology, LLC ( Site 8000) Miami Florida 33176
Rush University Medical Center ( Site 1215) Chicago Illinois 60612
North Shore University Health System ( Site 1216) Evanston Illinois 60201
Community Hospital ( Site 1207) Munster Indiana 46321
Weinberg Cancer Institute at Franklin Square ( Site 1210) Baltimore Maryland 21237
Massachusetts General Hospital ( Site 1203) Boston Massachusetts 02114
Beth Israel Deaconess Medical Center ( Site 1206) Boston Massachusetts 02215
Dana-Farber Cancer Institute [Boston] ( Site 1201) Boston Massachusetts 02215
University of Michigan ( Site 1217) Ann Arbor Michigan 48109-5936
Henry Ford Health System ( Site 1221) Detroit Michigan 48202
Minnesota Oncology Hematology, PA ( Site 8001) Minneapolis Minnesota 55404
Hattiesburg Clinic ( Site 1205) Hattiesburg Mississippi 39401
Mercy Hospital Saint Louis ( Site 1213) St Louis Missouri 63141
Comprehensive Cancer Centers of Nevada ( Site 8004) Henderson Nevada 89074
Memorial Sloan-Kettering Cancer Center At Basking Ridge ( Site 1226) Basking Ridge New Jersey 07920
Memorial Sloan Kettering Cancer Center- Monmouth ( Site 1225) Middletown New Jersey 07748
Memorial Sloan-Kettering Cancer Center at Commack ( Site 1227) Commack New York 11725
Memorial Sloan Kettering Cancer Center ( Site 1229) Harrison New York 10604
Memorial Sloan Kettering Cancer Center ( Site 1211) New York New York 10065
Memorial Sloan Kettering Cancer Center - Rockville Centre ( Site 1228) Rockville Centre New York 11570
Montefiore Einstein Center for Cancer Care - Main site ( Site 1204) The Bronx New York 10461
Montefiore Medical Center ( Site 1222) The Bronx New York 10467
Duke University Medical Center ( Site 1214) Durham North Carolina 27710
Bon Secours St. Francis Health Sytem ( Site 1212) Greenville South Carolina 29607
Tennessee Oncology, PLLC/The Sarah Cannon Research Institute ( Site 1230) Nashville Tennessee 37203
Texas Oncology ( Site 8002) Austin Texas 78745
Texas Oncology-Baylor Charles A. Sammons Cancer Center ( Site 8003) Dallas Texas 75246

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 121 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03066778, 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 Oct 2, 2022 · Synced May 17, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03066778 live on ClinicalTrials.gov.

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