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ClinicalTrials.gov public records Last synced Oct 17, 2026, 7:32 PM EDT

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Showing 73–96 of 226 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: olaparib Clear all
Recruiting Phase 1Phase 2 Interventional

Substudy 01A: Safety and Efficacy of Opevesostat (MK-5684)-Based Treatment Combinations or Opevesostat Alone in Participants With Metastatic Castration-resistant Prostate Cancer (mCRPC) (MK-5684-01A)

NCT06353386
View directory record Official record
Conditions
Prostatic Neoplasms, Castration-Resistant
Interventions
Opevesostat, Olaparib, Docetaxel, Cabazitaxel, Fludrocortisone acetate, Dexamethasone, Prednisone
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
7
States / cities
La Jolla, California • Los Angeles, California • Miami, Florida + 4 more
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 17, 2026, 7:32 PM EDT
Completed Phase 2 Interventional Results available

Phase II Multicenter Study of Durvalumab and Olaparib in Platinum tReated Advanced Triple Negative Breast Cancer (DORA)

NCT03167619
View directory record Official record
Conditions
Triple Negative Breast Cancer
Interventions
Olaparib Oral Product, Olaparib Oral Product in combination with Durvalumab
Drug
Lead sponsor
Duke University
Other
Eligibility
21 Years and older · Female only
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 13, 2022 · Synced Oct 17, 2026, 7:32 PM EDT
Completed Phase 1 Interventional

A Study to Assess the Safety and Pharmacokinetics of an Inhibitor of PARP in Combination With Dacarbazine

NCT00516802
View directory record Official record
Conditions
Melanoma Neoplasms
Interventions
KU-0059436 (AZD2281)(PARP inhibitor), dacarbazine
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 15, 2009 · Synced Oct 17, 2026, 7:32 PM EDT
Recruiting Phase 1 Interventional

Estradiol Plus Olaparib for Breast Cancer (PHOEBE)

NCT05900895
View directory record Official record
Conditions
Metastatic Breast Cancer
Interventions
Olaparib, 17b-estradiol
Drug
Lead sponsor
Mary D Chamberlin
Other
Eligibility
18 Years and older · Female only
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Nov 20, 2025 · Synced Oct 17, 2026, 7:32 PM EDT
Completed Phase 2 Interventional Results available

Olaparib, Durvalumab, and Tremelimumab in Treating Patients With Recurrent or Refractory Ovarian, Fallopian Tube or Primary Peritoneal Cancer With BRCA1 or BRCA2 Mutation

NCT02953457
View directory record Official record
Conditions
BRCA1 Gene Mutation, BRCA2 Gene Mutation, Ovarian Serous Adenocarcinoma, Recurrent Fallopian Tube Carcinoma, Recurrent Ovarian Carcinoma, Recurrent Primary Peritoneal Carcinoma
Interventions
Durvalumab, Laboratory Biomarker Analysis, Olaparib, Tremelimumab
Biological · Other · Drug
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
2
States / cities
Buffalo, New York • New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 19, 2024 · Synced Oct 17, 2026, 7:32 PM EDT
Withdrawn Phase 2 Interventional

A Study to Evaluate the Effectiveness and Tolerability of a Second Maintenance Treatment in Participants With Ovarian Cancer, Who Have Previously Received Polyadenosine 5'Diphosphoribose [Poly (ADP Ribose)] Polymerase Inhibitor (PARPi) Treatment.

NCT04239014
View directory record Official record
Conditions
Ovarian Cancer
Interventions
Olaparib, Ceralasertib, Placebo to match olaparib
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
22
States / cities
Anchorage, Alaska • La Jolla, California • Long Beach, California + 18 more
Source: ClinicalTrials.gov public record
Updated Mar 10, 2021 · Synced Oct 17, 2026, 7:32 PM EDT
Active, not recruiting Phase 2 Interventional Results available

To Assess Safety and Efficacy of Agents Targeting DNA Damage Repair With Olaparib Versus Olaparib Monotherapy.

NCT03330847
View directory record Official record
Conditions
Metastatic Triple Negative Breast Cancer
Interventions
Olaparib Continuous (28-Day cycle) 300 mg BD., Ceralasertib 160 mg OD + olaparib continuous 300 mg BD (28-day cycle)., Adavosertib 150 mg BD + olaparib 200 mg BD (21-day cycle).
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
273 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
20
States / cities
Birmingham, Alabama • Anchorage, Alaska • Gilbert, Arizona + 17 more
Source: ClinicalTrials.gov public record
Updated Oct 14, 2026 · Synced Oct 17, 2026, 7:32 PM EDT
Completed Phase 1 Interventional

AZD2281 Plus Carboplatin to Treat Breast and Ovarian Cancer

NCT01445418
View directory record Official record
Conditions
Breast Cancer, Ovarian Cancer
Interventions
AZ2281 + Carboplatin
Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 100 Years
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2019
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 22, 2019 · Synced Oct 17, 2026, 7:32 PM EDT
Active, not recruiting Phase 1 Interventional

Open-Label, Randomised, Multi-Drug, Biomarker-Directed, Phase 1b Study in Pts w/ Muscle Invasive Bladder Cancer

NCT02546661
View directory record Official record
Conditions
Muscle Invasive Bladder Cancer
Interventions
AZD4547, MEDI4736, Olaparib, AZD1775, Vistusertib, AZD9150, Selumetinib
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
8
States / cities
Los Angeles, California • New Haven, Connecticut • Fort Myers, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 1, 2026 · Synced Oct 17, 2026, 7:32 PM EDT
Active, not recruiting Phase 2 Interventional Results available

A Study of Olaparib and Pembrolizumab in People With Triple Negative Breast Cancer (TNBC) or Hormone Receptor-positive HER2-negative Breast Cancer

NCT05203445
View directory record Official record
Conditions
Breast Cancer
Interventions
Olaparib, Pembrolizumab
Drug
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
7
States / cities
Basking Ridge, New Jersey • Middletown, New Jersey • Montvale, New Jersey + 4 more
Source: ClinicalTrials.gov public record
Updated May 29, 2026 · Synced Oct 17, 2026, 7:32 PM EDT
Recruiting Phase 3 Interventional

Testing Olaparib for One or Two Years, With or Without Bevacizumab, to Treat Ovarian Cancer

NCT06580314
View directory record Official record
Conditions
Fallopian Tube Endometrioid Adenocarcinoma, Fallopian Tube High Grade Serous Adenocarcinoma, Fallopian Tube Malignant Mixed Mesodermal (Mullerian) Tumor, FIGO Stage III Ovarian Cancer 2014, FIGO Stage IV Ovarian Cancer 2014, Ovarian Carcinoma, Ovarian Carcinosarcoma, Ovarian High Grade Endometrioid Adenocarcinoma, Ovarian High Grade Serous Adenocarcinoma, Primary Peritoneal Carcinosarcoma, Primary Peritoneal Endometrioid Adenocarcinoma, Primary Peritoneal High Grade Serous Adenocarcinoma
Interventions
Bevacizumab, Biospecimen Collection, Computed Tomography, Magnetic Resonance Imaging, Olaparib
Biological · Procedure · Drug
Lead sponsor
NRG Oncology
Other
Eligibility
18 Years and older
Enrollment
880 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2034
U.S. locations
676
States / cities
Birmingham, Alabama • Anchorage, Alaska • Fairbanks, Alaska + 458 more
Source: ClinicalTrials.gov public record
Updated Aug 7, 2026 · Synced Oct 17, 2026, 7:32 PM EDT
Completed Phase 1 Interventional

A Phase 1 Study of RO7623066 Alone and in Combination in Patients With Advanced Solid Tumors

NCT05240898
View directory record Official record
Conditions
Advanced Solid Tumors
Interventions
RO7623066, Olaparib, Carboplatin
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years and older
Enrollment
116 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
15
States / cities
Orange, California • New Haven, Connecticut • Detroit, Maine + 12 more
Source: ClinicalTrials.gov public record
Updated Dec 18, 2025 · Synced Oct 17, 2026, 7:32 PM EDT
Completed Early Phase 1 Interventional

PARP Inhibition During Pre-surgical Window in Breast/Ovary Cancer

NCT04041128
View directory record Official record
Conditions
Ovarian Cancer, Breast Cancer
Interventions
Lynparza
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 99 Years · Female only
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 20, 2023 · Synced Oct 17, 2026, 7:32 PM EDT
Recruiting Phase 2 Interventional

Olaparib With Cediranib or AZD6738 for the Treatment of Advanced or Metastatic Germline BRCA Mutated Breast Cancer

NCT04090567
View directory record Official record
Conditions
Advanced Breast Carcinoma, Anatomic Stage III Breast Cancer AJCC v8, Anatomic Stage IIIA Breast Cancer AJCC v8, Anatomic Stage IIIB Breast Cancer AJCC v8, Anatomic Stage IIIC Breast Cancer AJCC v8, Anatomic Stage IV Breast Cancer AJCC v8, Germline BRCA1 Gene Mutation, Germline BRCA2 Gene Mutation, HER2/Neu Negative, Metastatic Breast Carcinoma, Prognostic Stage III Breast Cancer AJCC v8, Prognostic Stage IIIA Breast Cancer AJCC v8, Prognostic Stage IIIB Breast Cancer AJCC v8, Prognostic Stage IIIC Breast Cancer AJCC v8, Prognostic Stage IV Breast Cancer AJCC v8
Interventions
Cediranib, Ceralasertib, Olaparib
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Oct 17, 2026, 7:32 PM EDT
Approved For Marketing No phase listed Expanded access

Expanded Access Program for Olaparib Tablets as Maintenance Therapy in Patients With Ovarian, Fallopian Tube or Primary Peritoneal Cancer.

NCT03079687
View directory record Official record
Conditions
Ovarian Cancer
Interventions
Olaparib tablets
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 120 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
13
States / cities
Duarte, California • Newport Beach, California • Roseville, California + 10 more
Source: ClinicalTrials.gov public record
Updated Oct 25, 2017 · Synced Oct 17, 2026, 7:32 PM EDT
Terminated Phase 1 Interventional Results available

A Phase I, Open-Label, 2 Part Multicentre Study to Assess the Safety and Efficacy of Olaparib in Combination With Carboplatin in Patients With Advanced HER-2 Negative Breast Cancer

NCT02561832
View directory record Official record
Conditions
Breast Cancer
Interventions
Olaparib, Carboplatin, Anthracycline, Cyclophosphamide
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
2
States / cities
New York, New York • Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated Feb 20, 2019 · Synced Oct 17, 2026, 7:32 PM EDT
Completed Phase 1 Interventional

AZD5153 in Patients With Relapsed or Refractory Solid Tumors, Including Lymphomas

NCT03205176
View directory record Official record
Conditions
Malignant Solid Tumors, Lymphoma, Ovarian Cancer, Breast Cancer, Pancreatic Cancer, Prostate Cancer
Interventions
AZD5153, Olaparib
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
3
States / cities
Sarasota, Florida • Oklahoma City, Oklahoma • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 6, 2021 · Synced Oct 17, 2026, 7:32 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional

Study of Stereotactic Radiosurgery With Olaparib Followed by Durvalumab and Physician's Choice Systemic Therapy in Subjects With Breast Cancer Brain Metastases

NCT04711824
View directory record Official record
Conditions
Breast Cancer, Brain Metastases, Adult
Interventions
Olaparib, Stereotactic Radiosurgery, Durvalumab, Physicians Choice systemic chemotherapy
Drug · Radiation
Lead sponsor
Colette Shen
Other
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
7
States / cities
Birmingham, Alabama • Hollywood, Florida • Indianapolis, Indiana + 4 more
Source: ClinicalTrials.gov public record
Updated Jul 10, 2026 · Synced Oct 17, 2026, 7:32 PM EDT
Completed Phase 2 Interventional Results available

Ph II Study to Evaluate Olaparib With Abiraterone in Treating Metastatic Castration Resistant Prostate Cancer.

NCT01972217
View directory record Official record
Conditions
Metastatic Castration-resistant Prostate Cancer
Interventions
Olaparib, Placebo, Abiraterone, Prednisone or prednisolone
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years · Male only
Enrollment
158 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2023
U.S. locations
2
States / cities
San Diego, California • Lake Success, New York
Source: ClinicalTrials.gov public record
Updated Nov 14, 2023 · Synced Oct 17, 2026, 7:32 PM EDT
Terminated Phase 2 Interventional Results available

BrUOG 337: Olaparib Prior to Radical Prostatectomy For Advanced Prostate Cancer Defects in DNA Repair Genes

NCT03432897
View directory record Official record
Conditions
Prostate Cancer, Adenocarcinoma of the Prostate
Interventions
Olaparib Pill, Prostatectomy
Drug · Procedure
Lead sponsor
Brown University
Other
Eligibility
18 Years and older · Male only
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jul 8, 2025 · Synced Oct 17, 2026, 7:32 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

Trial of EP0057, a Nanoparticle Camptothecin With Olaparib in People With Relapsed/Refractory Small Cell Lung Cancer

NCT02769962
View directory record Official record
Conditions
Urothelial Carcinoma, Urothelial Cancer, Lung Neoplasms, Small Cell Lung Cancer, Prostate Cancer
Interventions
EP0057, olaparib, CT scan, CT chest, abdomen, and pelvis, Bone scan, ECG, Echocardiogram, Biopsy
Drug · Diagnostic Test · Procedure
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2025
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Oct 17, 2026, 7:32 PM EDT
Enrolling by invitation Phase 1 Interventional

Pilot Study of an Implantable Microdevice for Evaluating Drug Responses in Situ in Prostate Cancer

NCT04399876
View directory record Official record
Conditions
Prostate Cancer, Radical Prostatectomy
Interventions
Microdevice
Combination Product
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
22 Years and older · Male only
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced Oct 17, 2026, 7:32 PM EDT
Terminated Phase 2 Interventional Results available

Olaparib for the Treatment of Castration Resistant Prostate Adenocarcinoma

NCT04951492
View directory record Official record
Conditions
Castration-Resistant Prostate Carcinoma, Prostate Adenocarcinoma
Interventions
Olaparib
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older · Male only
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 1, 2025 · Synced Oct 17, 2026, 7:32 PM EDT
Active, not recruiting Phase 3 Interventional Results available

Olaparib as Adjuvant Treatment in Patients With Germline BRCA Mutated High Risk HER2 Negative Primary Breast Cancer

NCT02032823
View directory record Official record
Conditions
Breast Cancer
Interventions
Olaparib, Placebo
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
1,837 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2029
U.S. locations
368
States / cities
Anchorage, Alabama • Anchorage, Alaska • Gilbert, Arizona + 321 more
Source: ClinicalTrials.gov public record
Updated Jul 14, 2026 · Synced Oct 17, 2026, 7:32 PM EDT