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Terminated Phase 2 Interventional Results available

Immunologic Determinants of Response to Pembrolizumab (MK-3475) in Advanced Melanoma (MK-3475-161/KEYNOTE-161)

ClinicalTrials.gov ID: NCT03407170

Public ClinicalTrials.gov record NCT03407170. 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 Jun 25, 2026, 8:07 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

An Open-Label, Phase II Study to Determine the Immunologic Correlates of Pembrolizumab-Mediated Tumor Regression in Subjects With Advanced Melanoma (KEYNOTE-161)

Study identification

NCT ID
NCT03407170
Recruitment status
Terminated
Study type
Interventional
Phase
Phase 2
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Enrollment
1 participant

Conditions and interventions

Interventions

  • pembrolizumab Biological

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
Jun 27, 2018
Primary completion
Aug 13, 2019
Completion
Aug 13, 2019
Last update posted
Jul 14, 2020

2018 – 2019

United States locations

U.S. sites
2
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Massachusetts General Hospital ( Site 0102) Boston Massachusetts 02114
Dana Farber Cancer Institute ( Site 0101) Boston Massachusetts 02215

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

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03407170, 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 Jul 14, 2020 · Synced Jun 25, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03407170 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →