ClinicalTrials.gov record
Active, not recruiting Phase 2 Interventional

Study of Olaparib (MK-7339) in Combination With Pembrolizumab (MK-3475) in the Treatment of Homologous Recombination Repair Mutation (HRRm) and/or Homologous Recombination Deficiency (HRD)-Positive Advanced Cancer (MK-7339-007/KEYLYNK-007)

ClinicalTrials.gov ID: NCT04123366

Public ClinicalTrials.gov record NCT04123366. 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 May 6, 2026, 8:51 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

A Phase 2 Study of Olaparib in Combination With Pembrolizumab in Participants With Previously Treated, Homologous Recombination Repair Mutation (HRRm) and/or Homologous Recombination Deficiency (HRD)-Positive Advanced Cancer

Study identification

NCT ID
NCT04123366
Recruitment status
Active, not recruiting
Study type
Interventional
Phase
Phase 2
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Enrollment
300 participants

Conditions and interventions

Conditions

Interventions

  • Olaparib Drug
  • Pembrolizumab Biological

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
Nov 17, 2019
Primary completion
Jun 28, 2026
Completion
Jun 28, 2026
Last update posted
Apr 21, 2026

2019 – 2026

United States locations

U.S. sites
21
U.S. states
15
U.S. cities
19
Facility City State ZIP Site status
The Kirklin Clinic ( Site 0086) Birmingham Alabama 35233
Banner MD Anderson Cancer Center ( Site 0049) Gilbert Arizona 85234
UC Davis Comprehensive Cancer Center ( Site 0039) Sacramento California 95817
San Francisco Oncology Associates ( Site 0085) San Francisco California 94115
University of California San Francisco ( Site 0015) San Francisco California 94158
Banner MD Anderson Cancer Center ( Site 0092) Greeley Colorado 80631
University of Florida ( Site 0078) Gainesville Florida 32608
Winship Cancer Institute of Emory University ( Site 0057) Atlanta Georgia 30322
Northeast Georgia Medical Center ( Site 0026) Gainesville Georgia 30501
Northwest Georgia Oncology Centers PC ( Site 0047) Marietta Georgia 30060
Norton Cancer Institute - St. Matthews ( Site 0024) Louisville Kentucky 40207
Atlantic Health System ( Site 0046) Summit New Jersey 07901
New York Cancer and Blood Specialists-Research Department ( Site 0080) Port Jefferson Station New York 11776
University Hospitals Cleveland Medical Center ( Site 0016) Cleveland Ohio 44106
The University of Oklahoma Health Sciences Center ( Site 0050) Oklahoma City Oklahoma 73104
Parkland Health & Hospital System ( Site 0091) Dallas Texas 75235
University of Texas, Southwestern Medical Center ( Site 0004) Dallas Texas 75390
University of Texas-MD Anderson Cancer Center ( Site 0087) Houston Texas 77030
Utah Cancer Specialists ( Site 0038) West Valley City Utah 84119
Inova Schar Cancer Institute ( Site 0008) Fairfax Virginia 22031
Northwest Medical Specialties, PLLC ( Site 0007) Tacoma Washington 98405

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 114 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04123366, 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 Apr 21, 2026 · Synced May 6, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04123366 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →