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Showing 1–24 of 225 matching trials from the live ClinicalTrials.gov search.
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Withdrawn Phase 2 Interventional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 9, 2021 · Synced Sep 3, 2026, 10:19 AM EDT
Recruiting Phase 2 Interventional

A Study of Radiation Therapy With Pembrolizumab and Olaparib or Other Radiosensitizers in Women Who Have Triple-Negative or Hormone-Receptor Positive/Her2 Negative Breast Cancer

NCT04683679
View directory record Official record
Conditions
Triple Negative Breast Cancer, TNBC - Triple-Negative Breast Cancer, Breast Cancer, Metastatic Breast Cancer
Interventions
Pembrolizumab, Olaparib, Radiation
Drug · Radiation
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 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 Feb 16, 2026 · Synced Sep 3, 2026, 10:19 AM EDT
Completed Phase 1 Interventional

Olaparib and High-Dose Chemotherapy in Treating Patients With Relapsed or Refractory Lymphomas Undergoing Stem Cell Transplant

NCT03259503
View directory record Official record
Conditions
Recurrent Diffuse Large B-Cell Lymphoma, Recurrent T-Cell Non-Hodgkin Lymphoma, Refractory Diffuse Large B-Cell Lymphoma, Refractory Hodgkin Lymphoma, Refractory T-Cell Non-Hodgkin Lymphoma
Interventions
Busulfan, Gemcitabine, Melphalan, Olaparib, Peripheral Blood Stem Cell Transplantation, Pharmacokinetic Study, Rituximab, Vorinostat
Drug · Procedure · Other + 1 more
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 29, 2026 · Synced Sep 3, 2026, 10:19 AM EDT
Active, not recruiting Phase 1 Interventional

Selumetinib and Olaparib in Solid Tumors

NCT03162627
View directory record Official record
Conditions
Malignant Neoplasm of Breast, Malignant Neoplasms of Digestive Organs, Malignant Neoplasms of Female Genital Organs, Malignant Neoplasms of Male Genital Organs, Malignant Neoplasms of Thyroid and Other Endocrine Glands
Interventions
Selumetinib, Olaparib
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Sep 3, 2026, 10:19 AM EDT
Completed Phase 2 Interventional Results available

Trabectedin in Combination With Olaparib in Advanced Unresectable or Metastatic Sarcoma

NCT04076579
View directory record Official record
Conditions
Sarcoma, Sarcoma Metastatic
Interventions
Olaparib, Trabectedin
Drug
Lead sponsor
University of Michigan Rogel Cancer Center
Other
Eligibility
16 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 28, 2025 · Synced Sep 3, 2026, 10:19 AM 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 5, 2021 · Synced Sep 3, 2026, 10:19 AM EDT
Active, not recruiting Phase 1Phase 2 Interventional Results available

Cediranib Maleate and Olaparib in Treating Patients With Recurrent Ovarian, Fallopian Tube, or Peritoneal Cancer or Recurrent Triple-Negative Breast Cancer

NCT01116648
View directory record Official record
Conditions
Fallopian Tube Carcinoma, Ovarian Endometrioid Adenocarcinoma, Ovarian High Grade Serous Adenocarcinoma, Ovarian Serous Adenocarcinoma, Ovarian Serous Surface Papillary Adenocarcinoma, Primary Peritoneal Serous Adenocarcinoma, Triple-Negative Breast Carcinoma
Interventions
Biopsy Procedure, Biospecimen Collection, Cediranib Maleate, Computed Tomography, Echocardiography Test, Magnetic Resonance Imaging, Multigated Acquisition Scan, Olaparib
Procedure · Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older · Female only
Enrollment
155 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2027
U.S. locations
14
States / cities
Los Angeles, California • Chicago, Illinois • Evanston, Illinois + 8 more
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Sep 3, 2026, 10:19 AM EDT
Active, not recruiting Phase 2 Interventional Results available

Testing Olaparib and AZD6738 in IDH1 and IDH2 Mutant Tumors

NCT03878095
View directory record Official record
Conditions
Malignant Solid Neoplasm, Refractory Cholangiocarcinoma, Refractory Malignant Solid Neoplasm
Interventions
Biopsy Procedure, Biospecimen Collection, Bone Marrow Aspiration, Bone Marrow Biopsy, Ceralasertib, Computed Tomography, Magnetic Resonance Imaging, Olaparib
Procedure · Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
13
States / cities
Birmingham, Alabama • New Haven, Connecticut • Trumbull, Connecticut + 9 more
Source: ClinicalTrials.gov public record
Updated Aug 2, 2026 · Synced Sep 3, 2026, 10:19 AM EDT
Completed Phase 2 Interventional

Combination ATR and PARP Inhibitor (CAPRI) Trial With AZD6738 and Olaparib in Recurrent Ovarian Cancer

NCT03462342
View directory record Official record
Conditions
High Grade Serous Carcinoma
Interventions
Olaparib Pill, AZD6738
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older · Female only
Enrollment
123 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
3
States / cities
Baltimore, Maryland • Boston, Massachusetts • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced Sep 3, 2026, 10:19 AM EDT
Terminated Phase 2 Interventional Results available

AMTEC IIT: Phase 2 Multiarm Study in TNBC

NCT03801369
View directory record Official record
Conditions
Anatomic Stage IV Breast Cancer AJCC v8, Metastatic Triple-Negative Breast Carcinoma
Interventions
Biopsy, Capivasertib, Ceralasertib, Durvalumab, Olaparib, Quality-of-Life Assessment, Selumetinib
Procedure · Drug · Biological + 1 more
Lead sponsor
Gordon Mills, MD, PhD
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Feb 24, 2026 · Synced Sep 3, 2026, 10:19 AM EDT
Terminated Phase 2 Interventional Results available

Phase II Study of PARP Inhibitor Olaparib and IV Ascorbate in Castration Resistant Prostate Cancer

NCT05501548
View directory record Official record
Conditions
Prostate Cancer, Castration-resistant Prostate Cancer
Interventions
Olaparib, Vitamin C
Drug · Dietary Supplement
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older · Male only
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 28, 2025 · Synced Sep 3, 2026, 10:19 AM EDT
Active, not recruiting Phase 3 Interventional

Roll Over StudY for Patients Who Have Completed a Previous Oncology Study With Olaparib

NCT04421963
View directory record Official record
Conditions
Ovarian Cancer, Breast Cancer
Interventions
Olaparib
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 99 Years
Enrollment
185 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
14
States / cities
Boca Raton, Florida • Towson, Maryland • Detroit, Michigan + 11 more
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Sep 3, 2026, 10:19 AM EDT
Completed Phase 2 Interventional Results available

Study to Assess The Efficacy and Safety of a PARP Inhibitor For The Treatment of BRCA-positive Advanced Breast Cancer

NCT00494234
View directory record Official record
Conditions
Breast Neoplasms
Interventions
Olaparib
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years · Female only
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2022
U.S. locations
2
States / cities
West Hollywood, California • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 18, 2024 · Synced Sep 3, 2026, 10:19 AM EDT
Withdrawn Phase 2 Interventional

A Clinical Study of Boserolimab (MK-5890) With Pembrolizumab and Chemotherapy in People With Early Triple-Negative Breast Cancer (MK-5890-003)

NCT06829199
View directory record Official record
Conditions
Early Triple Negative Breast Cancer
Interventions
Pembrolizumab, Paclitaxel, Carboplatin, Doxorubicin (hydrochloride), Boserolimab, Epirubicin Hydrochloride, Cyclophosphamide, Capecitabine, Olaparib (if approved/available locally)
Biological · Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2031
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Feb 18, 2026 · Synced Sep 3, 2026, 10:19 AM EDT
Active, not recruiting Phase 2 Interventional

Levels of Circulating Tumor DNA as a Predictive Marker for Early Switch in Treatment for Patients With Metastatic (Stage IV) Breast Cancer

NCT05826964
View directory record Official record
Conditions
Breast Cancer, ER-positive Breast Cancer, HER2-negative Breast Cancer, Metastatic Breast Cancer
Interventions
AI+CDK4/6i, SERD+CDK4/6i, mTOR inhibitor + AI, mTOR inhibitor + SERD, mTOR inhibitor + Selective estrogen receptor modulator, PI3K inhibitor + SERD, PI3K inhibitor + AI, Chemotherapy, Oral SERD, PARPi, AKT inhibitor, Step 3 Arm 2
Drug · Other
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jan 12, 2026 · Synced Sep 3, 2026, 10:19 AM EDT
Recruiting Phase 2 Interventional

PET Dynamics to Response-Adapted Neoadjuvant Therapy in TNBC

NCT06245889
View directory record Official record
Conditions
Triple Negative Breast Cancer
Interventions
Paclitaxel, Carboplatin, Pembrolizumab, Doxorubicin, Cyclophosphamide, Olaparib, Capecitabine
Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2030
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Sep 3, 2026, 10:19 AM EDT
Terminated Phase 2 Interventional Results available

Delayed Initiation of Olaparib Maintenance Therapy in Platinum Sensitive Recurrent Ovarian Cancer

NCT04377087
View directory record Official record
Conditions
Ovarian Cancer
Interventions
Olaparib
Drug
Lead sponsor
Sarah E Taylor
Other
Eligibility
18 Years and older · Female only
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 19, 2024 · Synced Sep 3, 2026, 10:19 AM EDT
Active, not recruiting Phase 3 Interventional Results available

Durvalumab Treatment in Combination With Chemotherapy and Bevacizumab, Followed by Maintenance Durvalumab, Bevacizumab and Olaparib Treatment in Advanced Ovarian Cancer Patients

NCT03737643
View directory record Official record
Conditions
Advanced Ovarian Cancer
Interventions
Bevacizumab, Durvalumab, Olaparib, Placebo olaparib, Durvalumab placebo, Carboplatin+Paclitaxel
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years · Female only
Enrollment
1,407 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
26
States / cities
Foothill Ranch, California • Los Angeles, California • Orange, California + 22 more
Source: ClinicalTrials.gov public record
Updated Jul 6, 2026 · Synced Sep 3, 2026, 10:19 AM EDT
Active, not recruiting Phase 2 Interventional Results available

A Phase 2 Study of Cediranib in Combination With Olaparib in Advanced Solid Tumors

NCT02498613
View directory record Official record
Conditions
Advanced Malignant Solid Neoplasm, Metastatic Lung Non-Small Cell Carcinoma, Metastatic Lung Small Cell Carcinoma, Metastatic Pancreatic Adenocarcinoma, Metastatic Triple-Negative Breast Carcinoma, Pancreatic Ductal Adenocarcinoma, Stage III Breast Cancer AJCC v7, Stage III Lung Non-Small Cell Cancer AJCC v7, Stage III Lung Small Cell Carcinoma AJCC v7, Stage III Pancreatic Cancer AJCC v6 and v7, Stage IIIA Breast Cancer AJCC v7, Stage IIIA Lung Non-Small Cell Cancer AJCC v7, Stage IIIA Lung Small Cell Carcinoma AJCC v7, Stage IIIB Breast Cancer AJCC v7, Stage IIIB Lung Non-Small Cell Cancer AJCC v7, Stage IIIB Lung Small Cell Carcinoma AJCC v7, Stage IIIC Breast Cancer AJCC v7, Stage IV Breast Cancer AJCC v6 and v7, Stage IV Lung Non-Small Cell Cancer AJCC v7, Stage IV Lung Small Cell Carcinoma AJCC v7, Stage IV Pancreatic Cancer AJCC v6 and v7, Triple-Negative Breast Carcinoma, Unresectable Lung Small Cell Carcinoma, Unresectable Pancreatic Adenocarcinoma, Unresectable Pancreatic Carcinoma, Unresectable Triple-Negative Breast Carcinoma
Interventions
18F-Fluoromisonidazole, Cediranib Maleate, Laboratory Biomarker Analysis, Olaparib, Positron Emission Tomography
Other · Drug · Procedure
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2027
U.S. locations
14
States / cities
La Jolla, California • Sacramento, California • San Diego, California + 9 more
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Sep 3, 2026, 10:19 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

RP-3500 and Olaparib in DNA Damage Repair Pathway Deficient Relapsed/Refractory Chronic Lymphocytic Leukemia

NCT05405309
View directory record Official record
Conditions
Chronic Lymphocytic Leukemia
Interventions
RP-3500, Olaparib
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jun 2, 2025 · Synced Sep 3, 2026, 10:19 AM EDT
Active, not recruiting Phase 1 Interventional Results available

Testing the Combination of the Anti-cancer Drugs Copanlisib, Olaparib, and MEDI4736 (Durvalumab) in Patients With Advanced Solid Tumors With Selected Mutations

NCT03842228
View directory record Official record
Conditions
Advanced Malignant Solid Neoplasm, Metastatic Malignant Solid Neoplasm, Unresectable Malignant Solid Neoplasm
Interventions
Biopsy Procedure, Biospecimen Collection, Computed Tomography, Copanlisib Hydrochloride, Durvalumab, Echocardiography Test, Magnetic Resonance Imaging, Olaparib, X-Ray Imaging
Procedure · Drug · Biological
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
17
States / cities
Buena Park, California • Los Angeles, California • Newport Beach, California + 10 more
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Sep 3, 2026, 10:19 AM EDT
Active, not recruiting Phase 2 Interventional Results available

Olaparib in Treating Patients With Metastatic Biliary Tract Cancer With Aberrant DNA Repair Gene Mutations

NCT04042831
View directory record Official record
Conditions
Bile Duct Adenocarcinoma, Fanconi Anemia Complementation Group Gene Mutation, Metastatic Bile Duct Carcinoma, PTEN Gene Deletion
Interventions
Biospecimen Collection, Computed Tomography, Magnetic Resonance Imaging, Olaparib
Procedure · Drug
Lead sponsor
Academic and Community Cancer Research United
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
5
States / cities
Scottsdale, Arizona • Jacksonville, Florida • Rochester, Minnesota + 2 more
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Sep 3, 2026, 10:19 AM EDT
Completed Phase 1 Interventional

AZD1775 Combined With Olaparib in Patients With Refractory Solid Tumors

NCT02511795
View directory record Official record
Conditions
Refractory Solid Tumours, Relapsed Small Cell Lung Cancer (SCLC)
Interventions
AZD1775, Olaparib
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 130 Years
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
5
States / cities
Denver, Colorado • Sarasota, Florida • New York, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Nov 6, 2019 · Synced Sep 3, 2026, 10:19 AM EDT
Terminated Phase 2 Interventional Results available

Olaparib Before Surgery in Treating Participants With Localized Prostate Cancer

NCT03570476
View directory record Official record
Conditions
Prostate Adenocarcinoma Without Neuroendocrine Differentiation, Stage I Prostate Cancer AJCC v8, Stage II Prostate Cancer AJCC v8, Stage IIA Prostate Cancer AJCC v8, Stage IIB Prostate Cancer AJCC v8, Stage IIC Prostate Cancer AJCC v8
Interventions
Olaparib, Radical Prostatectomy
Drug · Procedure
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older · Male only
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 20, 2020 · Synced Sep 3, 2026, 10:19 AM EDT