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ClinicalTrials.gov public records Last synced Oct 25, 2026, 4:37 PM EDT

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Showing 25–48 of 105 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: niraparib Clear all
Terminated Phase 1 Interventional Results available

Enzalutamide and Niraparib in the Treatment of Metastatic Castrate-Resistant Prostate Cancer (CRPC)

NCT02500901
View directory record Official record
Conditions
Metastatic Prostate Cancer
Interventions
Enzalutamide, Niraparib
Drug
Lead sponsor
Paul Mathew, MD
Other
Eligibility
18 Years and older · Male only
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 21, 2019 · Synced Oct 25, 2026, 4:37 PM EDT
Terminated Phase 3 Interventional Results available

A Phase III Trial of Niraparib Versus Physician's Choice in HER2 Negative, Germline BRCA Mutation-positive Breast Cancer Patients

NCT01905592
View directory record Official record
Conditions
Neoplasms, Breast, Carcinoma of Breast, Human Epidermal Growth Factor 2 Negative Carcinoma of Breast, BRCA1 Gene Mutation, BRCA2 Gene Mutation, Ovarian Neoplasms
Interventions
niraparib, Physician's choice
Drug
Lead sponsor
Tesaro, Inc.
Industry
Eligibility
18 Years and older
Enrollment
216 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
25
States / cities
Tucson, Arizona • Los Angeles, California • Fort Myers, Florida + 20 more
Source: ClinicalTrials.gov public record
Updated Nov 15, 2022 · Synced Oct 25, 2026, 4:37 PM EDT
Recruiting Phase 1 Interventional

Microdevice In Ovarian, Fallopian Tube, And Peritoneal Cancer

NCT04701645
View directory record Official record
Conditions
Ovarian Cancer, Fallopian Tube Cancer, Peritoneal Cancer, Ovarian Cancer Stage III, Ovarian Cancer Stage IV, Fallopian Tube Cancer Stage IV, Fallopian Tube Cancer Stage III
Interventions
Microdevice
Combination Product
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced Oct 25, 2026, 4:37 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Niraparib + Ipilimumab or Nivolumab in Progression Free Pancreatic Adenocarcinoma After Platinum-Based Chemotherapy

NCT03404960
View directory record Official record
Conditions
Pancreatic Adenocarcinoma
Interventions
Niraparib + Nivolumab, Niraparib + Ipilimumab
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 10, 2025 · Synced Oct 25, 2026, 4:37 PM EDT
Active, not recruiting Phase 2 Interventional

Niraparib/TTFields in GBM

NCT04221503
View directory record Official record
Conditions
Glioblastoma, Recurrent Glioblastoma, GBM
Interventions
Niraparib, Optune, Planned surgical resection
Drug · Device · Procedure
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
22 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 8, 2026 · Synced Oct 25, 2026, 4:37 PM EDT
Active, not recruiting Phase 3 Interventional

A Study to Evaluate Dostarlimab Plus Carboplatin-paclitaxel Versus Placebo Plus Carboplatin-paclitaxel in Participants With Recurrent or Primary Advanced Endometrial Cancer

NCT03981796
View directory record Official record
Conditions
Neoplasms
Interventions
Dostarlimab, Placebo matching dostarlimab, Carboplatin, Paclitaxel, Niraparib, Placebo matching Niraparib
Biological · Drug
Lead sponsor
Tesaro, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
785 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
59
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Tucson, Arizona + 49 more
Source: ClinicalTrials.gov public record
Updated Sep 3, 2025 · Synced Oct 25, 2026, 4:37 PM EDT
Active, not recruiting Phase 1 Interventional

Niraparib and TSR-042 for the Treatment of BRCA-Mutated Unresectable or Metastatic Breast, Pancreas, Ovary, Fallopian Tube, or Primary Peritoneal Cancer

NCT04673448
View directory record Official record
Conditions
Anatomic Stage III Breast Cancer AJCC v8, Anatomic Stage IV Breast Cancer AJCC v8, BRCA-Associated Malignant Neoplasm, BRCA Hereditary Ovarian Carcinoma, Metastatic BRCA Hereditary Breast Carcinoma, Metastatic Breast Carcinoma, Metastatic Fallopian Tube Carcinoma, Metastatic Malignant Solid Neoplasm, Metastatic Ovarian Carcinoma, Metastatic Pancreatic Carcinoma, Metastatic Primary Peritoneal Carcinoma, Prognostic Stage III Breast Cancer AJCC v8, Prognostic Stage IV Breast Cancer AJCC v8, Stage III Fallopian Tube Cancer AJCC v8, Stage III Ovarian Cancer AJCC v8, Stage III Pancreatic Cancer AJCC v8, Stage III Primary Peritoneal Cancer AJCC v8, Stage IV Fallopian Tube Cancer AJCC v8, Stage IV Ovarian Cancer AJCC v8, Stage IV Pancreatic Cancer AJCC v8, Stage IV Primary Peritoneal Cancer AJCC v8, Unresectable Breast Carcinoma, Unresectable Fallopian Tube Carcinoma, Unresectable Malignant Solid Neoplasm, Unresectable Ovarian Carcinoma, Unresectable Pancreatic Carcinoma, Unresectable Primary Peritoneal Carcinoma
Interventions
Dostarlimab, Niraparib, Biopsy, Biospecimen Collection, Computed Tomography, Magnetic Resonance Imaging
Biological · Drug · Procedure
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Oct 25, 2026, 4:37 PM EDT
Completed Phase 2 Interventional Results available

A Trial of Niraparib in BAP1 and Other DNA Damage Response (DDR) Deficient Neoplasms (UF-STO-ETI-001)

NCT03207347
View directory record Official record
Conditions
Mesothelioma, Uveal Melanoma, Renal Cell Carcinoma, Cholangiocarcinoma
Interventions
Niraparib
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 80 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
3
States / cities
Gainesville, Florida • Miami, Florida • Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Sep 15, 2023 · Synced Oct 25, 2026, 4:37 PM EDT
Active, not recruiting Phase 1 Interventional

A Study of Comparative Formulations of Niraparib and Abiraterone Acetate (AA) in Men With Prostate Cancer

NCT04577833
View directory record Official record
Conditions
Prostatic Neoplasms
Interventions
Niraparib, Abiraterone Acetate (AA), Prednisone
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years and older · Male only
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
West Valley City, Utah
Source: ClinicalTrials.gov public record
Updated Sep 25, 2026 · Synced Oct 25, 2026, 4:37 PM EDT
Active, not recruiting Phase 2 Interventional

Cabazitaxel, Carboplatin, and Cetrelimab Followed by Niraparib With or Without Cetrelimab for the Treatment of Aggressive Variant Metastatic Prostate Cancer

NCT04592237
View directory record Official record
Conditions
Aggressive Variant Prostate Carcinoma, Castration-Resistant Prostate Carcinoma, Metastatic Prostate Carcinoma, Metastatic Prostate Neuroendocrine Carcinoma, Metastatic Prostate Small Cell Carcinoma, Stage IV Prostate Cancer AJCC v8
Interventions
Cabazitaxel, Carboplatin, Cetrelimab, Niraparib
Drug · Biological
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
120 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 9, 2026 · Synced Oct 25, 2026, 4:37 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Testing the Addition of a New Anti-Cancer Drug, Niraparib, to the Usual Treatment (Hormone and Radiation Therapy) for Prostate Cancer With a High Chance of Recurring

NCT04037254
View directory record Official record
Conditions
Prostate Adenocarcinoma, Stage IIC Prostate Cancer AJCC v8, Stage III Prostate Cancer AJCC v8, Stage IIIA Prostate Cancer AJCC v8, Stage IIIB Prostate Cancer AJCC v8, Stage IIIC Prostate Cancer AJCC v8, Stage IVA Prostate Cancer AJCC v8
Interventions
Gonadotrophin Releasing Hormone, Intensity-Modulated Radiation Therapy, Niraparib
Biological · Radiation · Drug
Lead sponsor
NRG Oncology
Other
Eligibility
18 Years and older · Male only
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
94
States / cities
Gilbert, Arizona • Tucson, Arizona • Duarte, California + 77 more
Source: ClinicalTrials.gov public record
Updated Jul 10, 2026 · Synced Oct 25, 2026, 4:37 PM EDT
Recruiting Phase 2 Interventional

Genomic Biomarker-Selected Umbrella Neoadjuvant Study for High Risk Localized Prostate Cancer

NCT04812366
View directory record Official record
Conditions
Prostate Cancer
Interventions
Apalutamide 60mg Tab, Abiraterone Acetate 250mg, Prednisone 5mg Tab, Docetaxel, Niraparib 100mg Oral Capsule, Atezolizumab, Tazemetostat Pill, Capivasertib
Drug
Lead sponsor
University of British Columbia
Other
Eligibility
18 Years and older · Male only
Enrollment
315 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
5
States / cities
Sacramento, California • Boston, Massachusetts • Ann Arbor, Michigan + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 14, 2026 · Synced Oct 25, 2026, 4:37 PM EDT
Withdrawn Phase 1Phase 2 Interventional

177Lu-PSMA, Niraparib/AA Plus Prednisone for Prostate Cancer

NCT06329830
View directory record Official record
Conditions
Metastatic Prostate Cancer, Castration-resistant Prostate Cancer, Metastatic Castration-resistant Prostate Cancer
Interventions
177Lu-PSMA-617, Niraparib abiraterone acetate, Prednisone
Drug
Lead sponsor
Baptist Health South Florida
Other
Eligibility
18 Years and older · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Oct 25, 2026, 4:37 PM EDT
Not listed Phase 2 Interventional

Niraparib in Metastatic Pancreatic Cancer After Previous Chemotherapy (NIRA-PANC): a Phase 2 Trial

NCT03553004
View directory record Official record
Conditions
Pancreatic Cancer
Interventions
Niraparib Treatment
Drug
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
6
States / cities
Fairway, Kansas • Kansas City, Kansas • Overland Park, Kansas + 3 more
Source: ClinicalTrials.gov public record
Updated May 19, 2023 · Synced Oct 25, 2026, 4:37 PM EDT
Active, not recruiting Phase 1 Interventional

A Phase I Study of Niraparib Administered Concurrently With Postoperative RT in Triple Negative Breast Cancer Patients

NCT03945721
View directory record Official record
Conditions
Triple Negative Breast Cancer, Residual Disease
Interventions
Niraparib, Radiation Therapy
Drug · Radiation
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2028
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Oct 25, 2026, 4:37 PM EDT
Terminated Phase 2 Interventional Results available

A Study Evaluating Safety and Efficacy of Niraparib in Patients With Previously Treated Metastatic Esophageal/Gastroesophageal Junction/Proximal Gastric Adenocarcinoma

NCT03840967
View directory record Official record
Conditions
Esophageal Cancer, Gastric Cancer, Adenocarcinoma
Interventions
Niraparib
Drug
Lead sponsor
Shadia Jalal, MD
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
4
States / cities
Tampa, Florida • Indianapolis, Indiana • Ann Arbor, Michigan + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 4, 2024 · Synced Oct 25, 2026, 4:37 PM EDT
Completed Phase 2 Interventional Results available

A Trial of Niraparib in Platinum-Sensitive Castration-Resistant Prostate Cancer With DNA Repair Defects

NCT04288687
View directory record Official record
Conditions
Prostate Adenocarcinoma
Interventions
Niraparib Pill
Drug
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older · Male only
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 4, 2026 · Synced Oct 25, 2026, 4:37 PM EDT
Terminated Early Phase 1 Interventional

18F-FluorThanatrace (PET/CT) in Glioblastoma

NCT04221061
View directory record Official record
Conditions
Glioblastoma
Interventions
18F-FluorThanatrace
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
22 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 17, 2024 · Synced Oct 25, 2026, 4:37 PM EDT
Recruiting Phase 2 Interventional

Maintenance Niraparib Plus Ipilimumab in Patients With Metastatic Pancreatic Adenocarcinoma Whose Disease Has Not Progressed on Platinum-Based Chemotherapy

NCT06747845
View directory record Official record
Conditions
Pancreatic Adenocarcinoma Metastatic
Interventions
Niraparib, FOLFIRI, Ipilimumab
Drug
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
2
States / cities
Boston, Massachusetts • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Oct 25, 2026, 4:37 PM EDT
Not listed Phase 2 Interventional

Niraparib and Dostarlimab in HRD Solid Tumors

NCT04983745
View directory record Official record
Conditions
Homologous Recombination Deficient Solid Tumors
Interventions
Combination drug
Drug
Lead sponsor
West Cancer Center
Other
Eligibility
Up to 100 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Germantown, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 21, 2023 · Synced Oct 25, 2026, 4:37 PM EDT
Completed Phase 1 Interventional

A Safety and Pharmacokinetics Study of Niraparib Plus an Androgen Receptor-Targeted Therapy in Men With Metastatic Castration-Resistant Prostate Cancer (BEDIVERE)

NCT02924766
View directory record Official record
Conditions
Prostatic Neoplasms
Interventions
Niraparib, Apalutamide, Abiraterone Acetate, Prednisone
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years and older · Male only
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
4
States / cities
West Hollywood, California • Louisville, Kentucky • Portland, Oregon + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 20, 2020 · Synced Oct 25, 2026, 4:37 PM EDT
Terminated Phase 2 Interventional Results available

Niraparib Before Surgery in Treating Patients With High Risk Localized Prostate Cancer and DNA Damage Response Defects

NCT04030559
View directory record Official record
Conditions
ATM Gene Mutation, BRCA1 Gene Mutation, BRCA2 Gene Mutation, BRIP1 Gene Mutation, CDK12 Gene Mutation, CHEK1 Gene Mutation, CHEK2 Gene Mutation, DNA Damage Response Gene Mutation, DNA Repair Gene Mutation, FANCA Gene Mutation, FANCD2 Gene Mutation, FANCL Gene Mutation, GEN1 Gene Mutation, NBN Gene Mutation, Prostate Carcinoma, RAD51 Gene Mutation, RAD51C Gene Mutation
Interventions
Niraparib, Niraparib Tosylate Monohydrate, Radical Prostatectomy
Drug · Procedure
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older · Male only
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Oct 25, 2026, 4:37 PM EDT
Completed Phase 1 Interventional

A Study of ART4215 for the Treatment of Advanced or Metastatic Solid Tumors

NCT04991480
View directory record Official record
Conditions
Advanced Cancer, Metastatic Cancer, Breast Cancer
Interventions
ART4215, Talazoparib, Niraparib
Drug
Lead sponsor
Artios Pharma Ltd
Industry
Eligibility
18 Years and older
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
7
States / cities
New Haven, Connecticut • Orlando, Florida • New York, New York + 4 more
Source: ClinicalTrials.gov public record
Updated Jan 27, 2026 · Synced Oct 25, 2026, 4:37 PM EDT
Recruiting Phase 4 Interventional

Study Evaluating Safety, Tolerability, and Metabolism of Niraparib

NCT06412120
View directory record Official record
Conditions
Ovarian Cancer
Interventions
Niraparib
Drug
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older · Female only
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
3
States / cities
Fort Lauderdale, Florida • Jacksonville, Florida • Miami, Florida
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Oct 25, 2026, 4:37 PM EDT