Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.

Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 17, 2026, 7:15 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–12 of 12 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: MK-4830 Clear all
Completed Phase 1Phase 2 Interventional Results available

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)

NCT04303169
View directory record Official record
Conditions
Melanoma
Interventions
Pembrolizumab, Vibostolimab, Gebasaxturev, MK-4830, Favezelimab + Pembrolizumab, ATRA
Biological · Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years to 120 Years
Enrollment
146 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
11
States / cities
Los Angeles, California • Santa Monica, California • Aurora, Colorado + 8 more
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Oct 17, 2026, 7:15 PM EDT
Completed Phase 2 Interventional Results available

Efficacy and Safety of Pembrolizumab Plus Investigational Agents in Combination With Chemotherapy as First-Line Treatment in Extensive-Stage Small Cell Lung Cancer (ES-SCLC) (MK-3475-B99/ KEYNOTE-B99)

NCT04924101
View directory record Official record
Conditions
Small Cell Lung Cancer
Interventions
Pembrolizumab, MK-4830, Boserolimab, Lenvatinib, Etoposide, Cisplatin, Carboplatin
Biological · Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
14
States / cities
Gilbert, Arizona • Aurora, Colorado • Atlanta, Georgia + 10 more
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Oct 17, 2026, 7:15 PM EDT
Completed Phase 1Phase 2 Interventional

Substudy 03B: A Study of Immune and Targeted Combination Therapies in Participants With Second Line Plus (2L+) Renal Cell Carcinoma (MK-3475-03B/KEYMAKER-U03)

NCT04626518
View directory record Official record
Conditions
Carcinoma, Renal Cell
Interventions
Pembrolizumab, MK-4830, Belzutifan, Lenvatinib, Pembrolizumab/Quavonlimab, Favezelimab/Pembrolizumab
Biological · Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
263 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
11
States / cities
San Francisco, California • New Haven, Connecticut • Chicago, Illinois + 7 more
Source: ClinicalTrials.gov public record
Updated Sep 25, 2026 · Synced Oct 17, 2026, 7:15 PM EDT
Completed Phase 1 Interventional

Study of MK-4830 as Monotherapy and in Combination With Pembrolizumab (MK-3475) in Participants With Advanced Solid Tumors (MK-4830-001)

NCT03564691
View directory record Official record
Conditions
Neoplasms
Interventions
MK-4830, Pembrolizumab, Carboplatin, Pemetrexed, Lenvatinib, Paclitaxel, Cisplatin, MK-4830A
Drug · Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
470 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
9
States / cities
San Francisco, California • Detroit, Michigan • St Louis, Missouri + 6 more
Source: ClinicalTrials.gov public record
Updated Oct 7, 2025 · Synced Oct 17, 2026, 7:15 PM EDT
Active, not recruiting Phase 2 Interventional Results available

Evaluation of Co-formulated Pembrolizumab/Quavonlimab (MK-1308A) Versus Other Treatments in Participants With Microsatellite Instability-High (MSI-H) or Mismatch Repair Deficient (dMMR) Stage IV Colorectal Cancer (CRC) (MK-1308A-008/KEYSTEP-008).

NCT04895722
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Pembrolizumab, Pembrolizumab/Quavonlimab, Pembrolizumab/Favezelimab, Pembrolizumab/Vibostolimab, MK-4830
Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
302 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
11
States / cities
Orange City, Florida • Athens, Georgia • Chicago, Illinois + 8 more
Source: ClinicalTrials.gov public record
Updated Jul 2, 2026 · Synced Oct 17, 2026, 7:15 PM EDT
Recruiting Phase 1Phase 2 Interventional

KEYMAKER-U01 Substudy 01A: Efficacy and Safety Study of Pembrolizumab (MK-3475) With or Without Chemotherapy When Used With Investigational Agents in Treatment-naïve Participants With Stage IV Non-small Cell Lung Cancer (NSCLC) (MK-3475-01A/KEYMAKER-U01A)

NCT04165070
View directory record Official record
Conditions
Carcinoma, Non-Small-Cell Lung
Interventions
Pembrolizumab, Carboplatin, Paclitaxel, Pemetrexed, Vibostolimab, Boserolimab, MK-4830, MK-0482, Ifinatamab Deruxtecan (I-DXd), HER3-DXd
Biological · Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2032
U.S. locations
18
States / cities
Gilbert, Arizona • Duarte, California • San Francisco, California + 14 more
Source: ClinicalTrials.gov public record
Updated Aug 25, 2026 · Synced Oct 17, 2026, 7:15 PM EDT
Completed Phase 2 Interventional Results available

KEYMAKER-U01 Substudy 3: Efficacy and Safety Study of Pembrolizumab (MK-3475) When Used With Investigational Agents in Participants With Advanced Non-small Cell Lung Cancer (NSCLC), Previously Treated With Anti-programmed Cell Death Receptor Ligand 1 (PD-L1) Therapy (MK-3475-01C/KEYMAKER-U01C)

NCT04165096
View directory record Official record
Conditions
Carcinoma, Non-Small-Cell Lung
Interventions
Pembrolizumab, Boserolimab, MK-4830, diphenhydramine, acetaminophen, MK-0482
Biological · Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
18
States / cities
Gilbert, Arizona • Duarte, California • San Francisco, California + 14 more
Source: ClinicalTrials.gov public record
Updated Jun 26, 2026 · Synced Oct 17, 2026, 7:15 PM EDT
Completed Early Phase 1 Interventional

PBI-MST-01 (NCT04541108) Substudy MSD-03: Intratumoral Microdosing of Pembrolizumab Alone and With MK-0482 or MK-4830 in HNSCC or STS

NCT06413095
View directory record Official record
Conditions
Head and Neck Squamous Cell Carcinoma, Soft Tissue Sarcoma
Interventions
Pembrolizumab, MK-0482 + Pembrolizumab, MK-4830 + Pembrolizumab
Biological · Combination Product
Lead sponsor
Presage Biosciences
Industry
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
11
States / cities
Sacramento, California • Atlanta, Georgia • Shreveport, Louisiana + 8 more
Source: ClinicalTrials.gov public record
Updated May 14, 2024 · Synced Oct 17, 2026, 7:15 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional

Safety and Efficacy Study of Investigational Agents as Monotherapy or in Combination With Pembrolizumab (MK-3475) for the Treatment of Extensive-Stage Small Cell Lung Cancer (ES-SCLC) in Need of Second-Line Therapy (MK-3475-B98/KEYNOTE-B98)

NCT04938817
View directory record Official record
Conditions
Small Cell Lung Carcinoma
Interventions
coformulation pembrolizumab/quavonlimab, lenvatinib, MK-4830, coformulation favezelimab/pembrolizumab, R-DXd
Biological · Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2029
U.S. locations
12
States / cities
Gilbert, Arizona • Atlanta, Georgia • Fort Wayne, Indiana + 7 more
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Oct 17, 2026, 7:15 PM EDT
Completed Phase 2 Interventional

KEYMAKER-U01 Substudy 2: Efficacy and Safety Study of Pembrolizumab (MK-3475) When Used With Investigational Agents in Treatment-naïve Participants With Anti-programmed Cell Death Receptor Ligand 1 (PD-L1) Positive Advanced Non-small Cell Lung Cancer (NSCLC) (MK-3475-01B/KEYMAKER-U01B)

NCT04165083
View directory record Official record
Conditions
Carcinoma, Non-Small-Cell Lung
Interventions
Pembrolizumab, MK-4830, MK-0482
Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
18
States / cities
Gilbert, Arizona • Duarte, California • San Francisco, California + 14 more
Source: ClinicalTrials.gov public record
Updated Nov 26, 2025 · Synced Oct 17, 2026, 7:15 PM EDT
Recruiting Phase 1Phase 2 Interventional

A Study to Evaluate Investigational Agents With or Without Pembrolizumab (MK-3475) in Participants With Advanced Esophageal Cancer Previously Exposed to Programmed Cell Death 1 Protein (PD-1)/ Programmed Cell Death Ligand 1 (PD-L1) Treatment (MK-3475-06B)

NCT05319730
View directory record Official record
Conditions
Esophageal Squamous Cell Carcinoma
Interventions
Paclitaxel, Irinotecan, Pembrolizumab, MK-4830, Lenvatinib, Sacituzumab tirumotecan, Antihistamine, H2 Receptor Antagonist, Acetaminophen (or equivalent), Dexamethasone (or equivalent), Steroid Mouthwash (dexamethasone or equivalent), Supportive care measures
Drug · Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
230 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
5
States / cities
Tucson, Arizona • Los Angeles, California • East Syracuse, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 7, 2026 · Synced Oct 17, 2026, 7:15 PM EDT
Completed Phase 2 Interventional Results available

Pembrolizumab With Chemotherapy and MK-4830 for Treating Participants With Ovarian Cancer (MK-4830-002)

NCT05446870
View directory record Official record
Conditions
High-grade Serous Ovarian Carcinoma, Ovarian Carcinoma
Interventions
Pembrolizumab, Paclitaxel, Carboplatin, Avastin, MK-4830, Docetaxel
Biological · Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older · Female only
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
12
States / cities
Aurora, Colorado • Jacksonville, Florida • Miami, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Oct 1, 2025 · Synced Oct 17, 2026, 7:15 PM EDT