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Completed Phase 3 Interventional Results available

Pembrolizumab (MK-3475) as First-line Therapy for Advanced Merkel Cell Carcinoma (MK-3475-913)

ClinicalTrials.gov ID: NCT03783078

Public ClinicalTrials.gov record NCT03783078. 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 Jul 21, 2026, 4:22 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 3 Open-label, Single Arm Study to Evaluate the Safety and Efficacy of Pembrolizumab (MK-3475) as First Line Therapy in Participants With Advanced Merkel Cell Carcinoma (KEYNOTE-913)

Study identification

NCT ID
NCT03783078
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Enrollment
55 participants

Conditions and interventions

Interventions

  • Pembrolizumab (MK-3475) Drug

Drug

Eligibility (public fields only)

Age range
12 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
Feb 24, 2019
Primary completion
Feb 14, 2022
Completion
Feb 14, 2024
Last update posted
May 27, 2025

2019 – 2024

United States locations

U.S. sites
2
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Laura and Isaac Perlmutter Cancer Center at NYU Langone Health ( Site 0006) New York New York 10016
Icahn School of Medicine at Mount Sinai ( Site 0004) New York New York 10029

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 20 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03783078, 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 May 27, 2025 · Synced Jul 21, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03783078 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →