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ClinicalTrials.gov public records Last synced Jul 23, 2026, 9:46 PM EDT

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Showing 1–24 of 1,817 matching trials from the live ClinicalTrials.gov search.
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Filters: Sponsor: Merck Sharp & Dohme LLC Clear all
Completed Phase 3 Interventional Results available

Pembrolizumab Plus Epacadostat, Pembrolizumab Monotherapy, and the EXTREME Regimen in Recurrent or Metastatic Head and Neck Squamous Cell Carcinoma (KEYNOTE-669/ECHO-304)

NCT03358472
View directory record Official record
Conditions
Head and Neck Cancer
Interventions
Pembrolizumab, Epacadostat, Cetuximab, Cisplatin, Carboplatin, 5-Fluorouracil
Drug
Lead sponsor
Incyte Corporation
Industry
Eligibility
18 Years and older
Enrollment
89 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
14
States / cities
Anaheim, California • Sacramento, California • Santa Rosa, California + 11 more
Source: ClinicalTrials.gov public record
Updated Dec 2, 2025 · Synced Jul 23, 2026, 9:46 PM EDT
Completed Phase 2 Interventional Results available

A Study to Learn How Safe Starting Vericiguat at a Dose of 5 Milligrams is in Participants With Chronic Heart Failure With Reduced Ejection Fraction

NCT06195930
View directory record Official record
Conditions
Chronic Heart Failure With Reduced Ejection Fraction
Interventions
Vericiguat (BAY1021189) 5 mg
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years and older
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
5
States / cities
Alexander City, Alabama • Richmond, Indiana • Baltimore, Maryland + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2025 · Synced Jul 23, 2026, 9:46 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of V116 in Pneumococcal Vaccine-naïve Adults (V116-003, STRIDE-3)

NCT05425732
View directory record Official record
Conditions
Pneumococcal Infection
Interventions
V116, PCV20
Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
2,663 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
60
States / cities
Birmingham, Alabama • Glendale, Arizona • Mesa, Arizona + 52 more
Source: ClinicalTrials.gov public record
Updated Oct 25, 2024 · Synced Jul 23, 2026, 9:46 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

Vorinostat Plus Radiation Therapy in Pancreatic Cancer

NCT00831493
View directory record Official record
Conditions
Pancreatic Cancer
Interventions
Chemoradiation (Radiation Therapy), Vorinostat
Radiation · Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 27, 2012 · Synced Jul 23, 2026, 9:46 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study of Belzutifan (MK-6482) in Participants With Renal Impairment (MK-6482-021)

NCT04994522
View directory record Official record
Conditions
End Stage Renal Disease, Renal Impairment
Interventions
Belzutifan
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years to 75 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Apr 5, 2025 · Synced Jul 23, 2026, 9:46 PM EDT
Recruiting Phase 3 Interventional

A Study of Nemtabrutinib Plus Venetoclax vs Venetoclax + Rituximab (VR) in Second-line (2L) + Relapsed/Refractory (R/R) Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma (CLL/SLL) (MK-1026-010/BELLWAVE-010).

NCT05947851
View directory record Official record
Conditions
Leukemia, Lymphocytic, Chronic, B-Cell, Leukemia, Chronic Lymphocytic, Small-Cell Lymphoma, Lymphoma, Small Lymphocytic, CLL, SLL
Interventions
Nemtabrutinib, Venetoclax, Rituximab
Drug · Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
735 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2035
U.S. locations
6
States / cities
Springdale, Arkansas • Long Beach, California • Pembroke Pines, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 21, 2026 · Synced Jul 23, 2026, 9:46 PM EDT
Terminated Phase 2 Interventional Results available

Study of Pembrolizumab and Concurrent Radiation in Patients With Previously Treated Carcinoma of Unknown Primary

NCT03396471
View directory record Official record
Conditions
Carcinoma, Unspecified Site
Interventions
Pembrolizumab, External Beam Radiation Therapy
Drug · Radiation
Lead sponsor
Hoosier Cancer Research Network
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
2
States / cities
Rochester, Minnesota • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 17, 2024 · Synced Jul 23, 2026, 9:46 PM EDT
Completed Phase 1 Interventional

A Study of L-735,524 in HIV-Positive Children and Adolescents

NCT00002351
View directory record Official record
Conditions
HIV Infections
Interventions
Indinavir sulfate
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
10 Years to 18 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Whitehouse Station, New Jersey
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Jul 23, 2026, 9:46 PM EDT
Completed Phase 2 Interventional Results available

IO102-IO103 in Combination With Pembrolizumab as First-line Treatment for Patients With Metastatic NSCLC, SCCHN, or mUBC

NCT05077709
View directory record Official record
Conditions
Lung Cancer Non Small Cell, Head and Neck Squamous Cell Carcinoma, Urothelial Carcinoma Bladder
Interventions
IO102-IO103 in combination with pembrolizumab
Drug
Lead sponsor
IO Biotech
Industry
Eligibility
18 Years and older
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
9
States / cities
Duarte, California • Sacramento, California • San Diego, California + 6 more
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Jul 23, 2026, 9:46 PM EDT
Terminated Phase 2 Interventional Results available

A Study to Evaluate the Anti-inflammatory Effects of Letermovir (Prevymis) in Adults With Human Immunodeficiency Virus (HIV)-1 and Asymptomatic Cytomegalovirus (CMV) Who Are on Suppressive Antiretroviral Therapy, Plus Its Effect on Chronic Inflammation, HIV Persistence and Other Clinical Outcomes.

NCT04840199
View directory record Official record
Conditions
HIV Infections, Cytomegalovirus, CMV
Interventions
Letermovir Oral Tablet
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
40 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
15
States / cities
San Diego, California • San Francisco, California • Aurora, Colorado + 11 more
Source: ClinicalTrials.gov public record
Updated Mar 3, 2025 · Synced Jul 23, 2026, 9:46 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Tedizolid Tissue Penetration in Diabetic Patients With Wound Infections and Healthy Volunteers Via In Vivo Microdialysis

NCT02620787
View directory record Official record
Conditions
Diabetes, Wound Infection, Healthy Volunteers
Interventions
Tedizolid, Microdialysis Catheter Insertion
Drug · Procedure
Lead sponsor
Hartford Hospital
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 14, 2019 · Synced Jul 23, 2026, 9:46 PM EDT
Active, not recruiting Phase 3 Interventional

Placebo-controlled, Study of Concurrent Chemoradiation Therapy With Pembrolizumab Followed by Pembrolizumab and Olaparib in Newly Diagnosed Treatment-Naïve Limited-Stage Small Cell Lung Cancer (LS-SCLC) (MK 7339-013/KEYLYNK-013)

NCT04624204
View directory record Official record
Conditions
Small Cell Lung Cancer
Interventions
Pembrolizumab 200 mg, Pembrolizumab 400 mg, Pembrolizumab placebo (saline), Olaparib 300 mg BID, Olaparib matching placebo, Etoposide 100 mg/m^2, Platinum, investigator's choice, Standard Thoracic Radiotherapy, Prophylactic Cranial Irradiation (PCI)
Biological · Drug · Radiation
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
672 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
35
States / cities
Chandler, Arizona • Loma Linda, California • Washington D.C., District of Columbia + 29 more
Source: ClinicalTrials.gov public record
Updated May 25, 2026 · Synced Jul 23, 2026, 9:46 PM EDT
Completed Phase 1 Interventional Results available

MK-1942/Donepezil Interactions in Participants With Alzheimer's Disease (MK-1942-005)

NCT04308304
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
MK-1942, Donepezil, Placebo
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
50 Years to 85 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
4
States / cities
Rogers, Arkansas • Hallandale, Florida • Decatur, Georgia + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 14, 2024 · Synced Jul 23, 2026, 9:46 PM EDT
Completed No phase listed Observational Results available

The Natural History of Viral Upper Respiratory Infections in Children Aged 6 to Less Than 14 Years

NCT00405509
View directory record Official record
Conditions
Upper Respiratory Infection, Common Cold
Interventions
Not listed
Lead sponsor
West Penn Allegheny Health System
Other
Eligibility
6 Years to 13 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 18, 2016 · Synced Jul 23, 2026, 9:46 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Improving Pneumococcal Vaccination Rates in an Ambulatory Pre-surgical Testing Setting

NCT01787838
View directory record Official record
Conditions
Community Acquired Pneumonia
Interventions
Focused Health Education
Other
Lead sponsor
Carilion Clinic
Other
Eligibility
18 Years to 110 Years
Enrollment
2,509 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Roanoke, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 18, 2017 · Synced Jul 23, 2026, 9:46 PM EDT
Recruiting Phase 2 Interventional

Surgical Pembro +/- Olaparib w TMZ for rGBM

NCT05463848
View directory record Official record
Conditions
Glioblastoma, Recurrent Glioblastoma
Interventions
Pembrolizumab, Olaparib, Temozolomide
Drug
Lead sponsor
L. Nicolas Gonzalez Castro, MD, PhD
Other
Eligibility
18 Years and older
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
4
States / cities
Boston, Massachusetts • New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced Jul 23, 2026, 9:46 PM EDT
Terminated Phase 1 Interventional

Epicutaneous Cryoimmunotherapy Combined With Pembrolizumab for Cutaneous Metastatic Breast Cancer

NCT03982004
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
Epicutaneous cryoimmunotherapy, Topical imiquimod, Pembrolizumab, Dermatologic Quality of Life Index, Functional Assessment of Cancer Therapy, Intra-lesional GM-CSF, Cry-AC, Cutaneous tumor biopsy, Peripheral blood draw for research
Device · Drug · Other + 1 more
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 20, 2021 · Synced Jul 23, 2026, 9:46 PM EDT
Completed Phase 2 Interventional

Phase 2 Study of Imprime PGG and Pembrolizumab in Patients With HR+/HER2- Metastatic Breast Cancer (mBCA)

NCT05159778
View directory record Official record
Conditions
Malignant Neoplasm of Breast
Interventions
Imprime PGG, Pembrolizumab
Biological
Lead sponsor
HiberCell, Inc.
Industry
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
16
States / cities
Tucson, Arizona • Denver, Colorado • Miami, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Jun 21, 2023 · Synced Jul 23, 2026, 9:46 PM EDT
Active, not recruiting Phase 3 Interventional

A Study to Evaluate Sacituzumab Tirumotecan (MK-2870) in Advanced/Metastatic Gastroesophageal Adenocarcinoma (MK-2870-015)

NCT06356311
View directory record Official record
Conditions
Gastroesophageal Cancer
Interventions
Sacituzumab tirumotecan, Trifluridine-Tipiracil, Irinotecan, Paclitaxel, Docetaxel, Rescue medications, Supportive care measures
Biological · Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
17
States / cities
Gilbert, Arizona • Los Angeles, California • Orlando, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Feb 26, 2026 · Synced Jul 23, 2026, 9:46 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Induction of Cross-protective Antibodies for Serogroup 33 by Pneumococcal Conjugate Vaccines

NCT07135453
View directory record Official record
Conditions
Vaccine, Pneumococcal Disease
Interventions
Pneumococcal Vaccine
Biological
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jul 8, 2026 · Synced Jul 23, 2026, 9:46 PM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of Pembrolizumab (MK-3475) Plus Enzalutamide Plus Androgen Deprivation Therapy (ADT) Versus Placebo Plus Enzalutamide Plus ADT in Participants With Metastatic Hormone-Sensitive Prostate Cancer (mHSPC) (MK-3475-991/KEYNOTE-991)

NCT04191096
View directory record Official record
Conditions
Metastatic Hormone-Sensitive Prostate Cancer
Interventions
Pembrolizumab, Enzalutamide, Androgen Deprivation Therapy (ADT), Placebo
Biological · Drug · Other
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older · Male only
Enrollment
1,251 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
27
States / cities
Anchorage, Alaska • Duarte, California • Los Angeles, California + 22 more
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Jul 23, 2026, 9:46 PM EDT
Completed Phase 2 Interventional

Study of Olaparib Maintenance Following Cabazitaxel-Carbo in Men With AVPC

NCT03263650
View directory record Official record
Conditions
Prostate Cancer Aggressiveness, Prostate Carcinoma
Interventions
Cabazitaxel, Carboplatin, Prednisone 5Mg, Olaparib
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Jul 23, 2026, 9:46 PM EDT
Completed Phase 1 Interventional Results available

A Study of Elpipodect (MK-8189) in Participants With Bipolar I Disorder (MK-8189-020)

NCT06273774
View directory record Official record
Conditions
Bipolar I Disorder
Interventions
Elpipodect, Placebo
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years to 60 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
3
States / cities
Little Rock, Arkansas • Atlanta, Georgia • Marlton, New Jersey
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Jul 23, 2026, 9:46 PM EDT
Active, not recruiting Phase 2 Interventional

A Study of Encorafenib Plus Cetuximab Taken Together With Pembrolizumab Compared to Pembrolizumab Alone in People With Previously Untreated Metastatic Colorectal Cancer

NCT05217446
View directory record Official record
Conditions
Metastatic Colorectal Cancer
Interventions
Encorafenib, Cetuximab, Pembrolizumab
Drug · Biological
Lead sponsor
Pfizer
Industry
Eligibility
16 Years and older
Enrollment
107 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
6
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Miami Beach, Florida + 2 more
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Jul 23, 2026, 9:46 PM EDT