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Completed Phase 1Phase 2 Interventional

Substudy 02C: Safety and Efficacy of Pembrolizumab in Combination With Investigational Agents or Pembrolizumab Alone in Participants With Stage III Melanoma Who Are Candidates for Neoadjuvant Therapy (MK-3475-02C/KEYMAKER-U02)

ClinicalTrials.gov ID: NCT04303169

Public ClinicalTrials.gov record NCT04303169. 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, 10:59 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 1/2 Open-Label Rolling-Arm Umbrella Platform Design of Investigational Agents With or Without Pembrolizumab or Pembrolizumab Alone in Participants With Melanoma (KEYMAKER-U02): Substudy 02C

Study identification

NCT ID
NCT04303169
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1, Phase 2
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Enrollment
146 participants

Conditions and interventions

Conditions

Interventions

  • Pembrolizumab Biological
  • Vibostolimab Biological
  • Gebasaxturev Biological
  • MK-4830 Biological
  • Favezelimab + Pembrolizumab Biological
  • ATRA Drug

Biological · Drug

Eligibility (public fields only)

Age range
18 Years to 120 Years
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
Jun 25, 2020
Primary completion
Sep 23, 2025
Completion
Sep 23, 2025
Last update posted
Oct 26, 2025

2020 – 2025

United States locations

U.S. sites
11
U.S. states
10
U.S. cities
11
Facility City State ZIP Site status
The Angeles Clinic and Research Institute ( Site 3009) Los Angeles California 90025
Providence Saint John's Health Center ( Site 3010) Santa Monica California 90404
University of Colorado, Anschutz Cancer Pavilion ( Site 3012) Aurora Colorado 80045
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins ( Site 3022) Baltimore Maryland 21287
NYU Clinical Cancer Center ( Site 3002) New York New York 10016
Duke Cancer Institute ( Site 3005) Durham North Carolina 27710
Martha Morehouse Tower ( Site 3020) Columbus Ohio 43221
Oregon Health & Science University ( Site 3013) Portland Oregon 97239
University of Pennsylvania Abramson Cancer Center ( Site 3008) Philadelphia Pennsylvania 19104
West Cancer Center - East Campus ( Site 3014) Germantown Tennessee 38138
Inova Schar Cancer Institute ( Site 3011) Fairfax Virginia 22031

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 18 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04303169, 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 26, 2025 · Synced Jul 21, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04303169 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →