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Completed Phase 1 Interventional Results available

A Study of MK-6598 as Monotherapy and in Combination With Pembrolizumab (MK-3475) in Advanced Solid Tumors (MK-6598-001)

ClinicalTrials.gov ID: NCT05594043

Public ClinicalTrials.gov record NCT05594043. 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 Sep 9, 2026, 10:08 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, Open-label, Multicenter Study to Assess Safety, Tolerability, PK, and Efficacy of MK-6598 as Monotherapy and in Combination With Pembrolizumab in Participants With Advanced Solid Tumors

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The purpose of this study is to assess the efficacy and safety and establish a preliminary recommended Phase 2 dose (RP2D) of MK-6598 administered as monotherapy and in combination with pembrolizumab (MK-3475) in adult participants with advanced or metastatic solid tumors.

Study identification

NCT ID
NCT05594043
Recruitment status
Completed
Study type
Interventional
Phase
Phase 1
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Enrollment
39 participants

Conditions and interventions

Interventions

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
Dec 20, 2022
Primary completion
May 20, 2025
Completion
May 20, 2025
Last update posted
Jul 14, 2026

2022 – 2025

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
Sanford Cancer Center ( Site 0300) 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 5 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT05594043, 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, 2026 · Synced Sep 9, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT05594043 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →