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ClinicalTrials.gov public records Last synced Sep 2, 2026, 3:47 AM EDT

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Showing 1–16 of 16 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Vibostolimab 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 26, 2026 · Synced Sep 2, 2026, 3:47 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Substudy 02A: Safety and Efficacy of Pembrolizumab in Combination With Investigational Agents in Participants With Programmed Cell-death 1 (PD-1) Refractory Melanoma (MK-3475-02A/KEYMAKER-U02)

NCT04305041
View directory record Official record
Conditions
Melanoma
Interventions
Pembrolizumab, Quavonlimab, Vibostolimab, Lenvatinib, ATRA
Biological · Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years to 120 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
13
States / cities
Los Angeles, California • Santa Monica, California • Aurora, Colorado + 9 more
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Sep 2, 2026, 3:47 AM EDT
Completed Phase 3 Interventional

Study of Pembrolizumab/Vibostolimab (MK-7684A) in Combination With Concurrent Chemoradiotherapy Followed by Pembrolizumab/Vibostolimab Versus Concurrent Chemoradiotherapy Followed by Durvalumab in Participants With Stage III Non-small Cell Lung Cancer (MK-7684A-006)

NCT05298423
View directory record Official record
Conditions
Carcinoma, Non-Small-Cell Lung
Interventions
pembrolizumab/vibostolimab, durvalumab, cisplatin, pemetrexed, etoposide, carboplatin, paclitaxel, thoracic radiotherapy
Biological · Drug · Radiation
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
610 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
21
States / cities
Long Beach, California • Los Angeles, California • Hollywood, Florida + 18 more
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Sep 2, 2026, 3:47 AM EDT
Withdrawn Phase 1Phase 2 Interventional

A Study of Pembrolizumab in Combination With Investigational Agents in Pediatric and Young Adult Participants With Hematologic Malignancies or Solid Tumors (MK-9999-01B/LIGHTBEAM-U01)

NCT06395090
View directory record Official record
Conditions
Neoplasm Metastasis
Interventions
Pembrolizumab, Favezelimab, Favezelimab/Pembrolizumab, Vibostolimab, Pembrolizumab/Vibostolimab
Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
Up to 18 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
9
States / cities
New Haven, Connecticut • Iowa City, Iowa • Kansas City, Missouri + 6 more
Source: ClinicalTrials.gov public record
Updated Apr 7, 2025 · Synced Sep 2, 2026, 3:47 AM EDT
Active, not recruiting Phase 3 Interventional Results available

Pembrolizumab/Vibostolimab (MK-7684A) or Atezolizumab in Combination With Chemotherapy in First Line Treatment of Extensive-Stage Small Cell Lung Cancer (MK-7684A-008/KEYVIBE-008)

NCT05224141
View directory record Official record
Conditions
Small Cell Lung Carcinoma
Interventions
Pembrolizumab/Vibostolimab Co-Formulation, Saline placebo, Etoposide, Cisplatin, Atezolizumab, Carboplatin
Biological · Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
460 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
11
States / cities
Mobile, Alabama • Los Angeles, California • Boca Raton, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Jul 7, 2025 · Synced Sep 2, 2026, 3:47 AM EDT
Completed Phase 3 Interventional Results available

Study of Pembrolizumab/Vibostolimab Coformulation (MK-7684A) in Combination With Chemotherapy Versus Pembrolizumab Plus Chemotherapy in Participants With Metastatic Non-Small Cell Lung Cancer (MK-7684A-007/KEYVIBE-007)

NCT05226598
View directory record Official record
Conditions
Metastatic Non-Small Cell Lung Cancer
Interventions
Pembrolizumab/Vibostolimab, Carboplatin, Cisplatin, Paclitaxel, Nab-paclitaxel, Pemetrexed, Pembrolizumab
Biological · Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
739 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
12
States / cities
Colorado Springs, Colorado • Fort Collins, Colorado • Jacksonville, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Feb 4, 2026 · Synced Sep 2, 2026, 3:47 AM EDT
Completed Phase 2 Interventional Results available

Pembrolizumab/Vibostolimab Coformulation (MK-7684A) or Pembrolizumab/Vibostolimab Coformulation Plus Docetaxel Versus Docetaxel for Metastatic Non Small Cell Lung Cancer (NSCLC) With Progressive Disease After Platinum Doublet Chemotherapy and Immunotherapy (MK-7684A-002, KEYVIBE-002)

NCT04725188
View directory record Official record
Conditions
Metastatic Non Small Cell Lung Cancer
Interventions
Pembrolizumab/Vibostolimab coformulation, Docetaxel, Placebo
Biological · Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
255 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
10
States / cities
Los Angeles, California • Peoria, Illinois • Lexington, Kentucky + 7 more
Source: ClinicalTrials.gov public record
Updated Aug 14, 2025 · Synced Sep 2, 2026, 3:47 AM EDT
Completed Phase 3 Interventional Results available

Coformulation of Pembrolizumab/Vibostolimab (MK-7684A) Versus Pembrolizumab (MK-3475) Monotherapy for Programmed Cell Death 1 Ligand 1 (PD-L1) Positive Metastatic Non-Small Cell Lung Cancer (MK-7684A-003, KEYVIBE-003)

NCT04738487
View directory record Official record
Conditions
Lung Neoplasms, Non-Small-Cell Lung Carcinoma
Interventions
Pembrolizumab/Vibostolimab, Pembrolizumab
Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
1,264 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
7
States / cities
Boca Raton, Florida • Peoria, Illinois • Springfield, Missouri + 4 more
Source: ClinicalTrials.gov public record
Updated Jun 25, 2026 · Synced Sep 2, 2026, 3:47 AM EDT
Completed Phase 2 Interventional

MK-7684A With or Without Other Anticancer Therapies in Participants With Selected Solid Tumors (MK-7684A-005) (KEYVIBE-005)

NCT05007106
View directory record Official record
Conditions
Uterine Cervical Neoplasms, Endometrial Neoplasms, Squamous Cell Carcinoma of Head and Neck, Gallbladder Neoplasms, Cholangiocarcinoma, Esophageal Neoplasms, Triple Negative Breast Neoplasms, Hepatocellular Carcinoma, Urinary Bladder Neoplasms, Ovarian Neoplasms, Stomach Neoplasms
Interventions
Pembrolizumab/Vibostolimab Co-Formulation, Pembrolizumab, Lenvatinib, 5-Fluorouracil, Cisplatin, Paclitaxel, Gemcitabine, Carboplatin, Docetaxel, Bevacizumab, Capecitabine, Oxaliplatin
Biological · Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
613 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
14
States / cities
Anchorage, Alaska • Duarte, California • Orange, California + 11 more
Source: ClinicalTrials.gov public record
Updated Aug 13, 2025 · Synced Sep 2, 2026, 3:47 AM EDT
Active, not recruiting Phase 1Phase 2 Interventional

A Study of Efficacy and Safety of Pembrolizumab Plus Enfortumab Vedotin (EV) +/- Investigational Agents in First-Line Metastatic Urothelial Carcinoma (mUC) (MK-3475-04B/KEYMAKER-U04)

NCT05845814
View directory record Official record
Conditions
Metastatic Urothelial Carcinoma, Urothelial Neoplasms
Interventions
Coformulated favezelimab/pembrolizumab, Coformulated vibostolimab/pembrolizumab, EV, Pembrolizumab
Biological · Combination Product
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
390 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
14
States / cities
La Jolla, California • Orange, California • San Francisco, California + 10 more
Source: ClinicalTrials.gov public record
Updated Sep 9, 2025 · Synced Sep 2, 2026, 3:47 AM EDT
Terminated Phase 3 Interventional Results available

A Study of Adjuvant Pembrolizumab/Vibostolimab (MK-7684A) Versus Pembrolizumab for Resected High-Risk Melanoma in Participants With High-Risk Stage II-IV Melanoma (MK-7684A-010/KEYVIBE-010)

NCT05665595
View directory record Official record
Conditions
Melanoma
Interventions
Pembrolizumab/Vibostolimab, Pembrolizumab
Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
12 Years and older
Enrollment
1,594 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
30
States / cities
La Jolla, California • Los Angeles, California • San Francisco, California + 22 more
Source: ClinicalTrials.gov public record
Updated Aug 17, 2026 · Synced Sep 2, 2026, 3:47 AM EDT
Completed Phase 2 Interventional Results available

A Study of Pembrolizumab/Vibostolimab (MK-7684A) in Relapsed/Refractory Hematological Malignancies (MK-7684A-004, KEYVIBE-004)

NCT05005442
View directory record Official record
Conditions
Hematological Malignancies
Interventions
Pembrolizumab/vibostolimab coformulation
Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
192 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
9
States / cities
Duarte, California • Aurora, Colorado • Chicago, Illinois + 6 more
Source: ClinicalTrials.gov public record
Updated Feb 18, 2026 · Synced Sep 2, 2026, 3:47 AM EDT
Completed Phase 1Phase 2 Interventional

Substudy 02B: Safety and Efficacy of Pembrolizumab in Combination With Investigational Agents or Pembrolizumab Alone in Participants With First Line (1L) Advanced Melanoma (MK-3475-02B/KEYMAKER-U02)

NCT04305054
View directory record Official record
Conditions
Melanoma
Interventions
Pembrolizumab, Vibostolimab, Pembrolizumab/Quavonlimab, Lenvatinib, Favezelimab/Pembrolizumab, ATRA
Biological · Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years to 120 Years
Enrollment
335 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
15
States / cities
Los Angeles, California • Santa Monica, California • Aurora, Colorado + 11 more
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Sep 2, 2026, 3:47 AM 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 24, 2026 · Synced Sep 2, 2026, 3:47 AM 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 1, 2026 · Synced Sep 2, 2026, 3:47 AM EDT
Active, not recruiting Phase 1Phase 2 Interventional

Substudy 03A: A Study of Immune and Targeted Combination Therapies in Participants With First Line (1L) Renal Cell Carcinoma (MK-3475-03A)

NCT04626479
View directory record Official record
Conditions
Carcinoma, Renal Cell
Interventions
Pembrolizumab, Favezelimab/Pembrolizumab, Belzutifan, Lenvatinib, Pembrolizumab/Quavonlimab, Vibostolimab/Pembrolizumab
Biological · Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years to 120 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
10
States / cities
San Francisco, California • New Haven, Connecticut • Chicago, Illinois + 6 more
Source: ClinicalTrials.gov public record
Updated Jul 29, 2026 · Synced Sep 2, 2026, 3:47 AM EDT