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Showing 1–24 of 44 matching trials from the live ClinicalTrials.gov search.
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Completed Phase 1Phase 2 Interventional Results available

Niraparib in Combination With Pembrolizumab in Patients With Triple-negative Breast Cancer or Ovarian Cancer

NCT02657889
View directory record Official record
Conditions
Neoplasms, Triple Negative Breast Cancer, Ovarian Cancer, Breast Cancer, Metastatic Breast Cancer, Advanced Breast Cancer, Stage IV Breast Cancer, Fallopian Tube Cancer, Peritoneal Cancer
Interventions
niraparib, pembrolizumab
Drug · Biological
Lead sponsor
Tesaro, Inc.
Industry
Eligibility
18 Years and older
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
30
States / cities
Birmingham, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 25 more
Source: ClinicalTrials.gov public record
Updated Nov 30, 2022 · Synced Sep 1, 2026, 7:50 PM EDT
Completed Phase 2 Interventional Results available

Niraparib + Dostarlimab + RT in Pancreatic Cancer

NCT04409002
View directory record Official record
Conditions
Pancreatic Cancer, Metastatic Pancreatic Cancer
Interventions
Niraparib, Dostarlimab, Radiation
Drug · Radiation
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 14, 2025 · Synced Sep 1, 2026, 7:50 PM EDT
Completed Phase 1 Interventional Results available

Crossover Study to Assess the Relative Bioavailability and Bioequivalence of Niraparib Tablet Compared to Niraparib Capsule

NCT03329001
View directory record Official record
Conditions
Neoplasms
Interventions
Niraparib Tablet, Niraparib Capsule
Drug
Lead sponsor
Tesaro, Inc.
Industry
Eligibility
18 Years and older
Enrollment
236 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
16
States / cities
Encinitas, California • Fresno, California • Denver, Colorado + 13 more
Source: ClinicalTrials.gov public record
Updated Jul 24, 2024 · Synced Sep 1, 2026, 7:50 PM EDT
Completed Phase 1Phase 2 Interventional

A Phase I/IIa Open-Label, Dose Escalation and Cohort Expansion Trial of Oral TSR-011 in Patients With Advanced Solid Tumors and Lymphomas

NCT02048488
View directory record Official record
Conditions
Solid Tumors, Lymphomas
Interventions
TSR-011
Drug
Lead sponsor
Tesaro, Inc.
Industry
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
6
States / cities
Goodyear, Arizona • Scottsdale, Arizona • Los Angeles, California + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 25, 2019 · Synced Sep 1, 2026, 7:50 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 18, 2023 · Synced Sep 1, 2026, 7:50 PM EDT
Completed Phase 2 Interventional Results available

Effects of Single Agent Niraparib and Niraparib Plus Programmed Cell Death-1 (PD-1) Inhibitors in Non-Small Cell Lung Cancer Participants

NCT03308942
View directory record Official record
Conditions
Neoplasms
Interventions
Niraparib, Pembrolizumab, TSR-042 (Dostarlimab)
Drug · Biological
Lead sponsor
Tesaro, Inc.
Industry
Eligibility
18 Years and older
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
16
States / cities
Whittier, Alaska • Port Saint Lucie, Florida • Atlanta, Georgia + 13 more
Source: ClinicalTrials.gov public record
Updated Oct 15, 2023 · Synced Sep 1, 2026, 7:50 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Phase 1, 2-Part, Single Ascending Dose Assessment of the Safety, Tolerability, and Pharmacokinetics of Rolapitant Intravenous in Healthy Volunteers

NCT02382666
View directory record Official record
Conditions
Chemotherapy-induced Nausea and Vomiting
Interventions
Rolapitant
Drug
Lead sponsor
Tesaro, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 24, 2015 · Synced Sep 1, 2026, 7:50 PM EDT
Completed Phase 2 Interventional

Niraparib in Patients With Pancreatic Cancer

NCT03601923
View directory record Official record
Conditions
Pancreatic Cancer
Interventions
Niraparib
Drug
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
3
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 24, 2026 · Synced Sep 1, 2026, 7:50 PM EDT
Completed Phase 2 Interventional Results available

A Study of Niraparib in Patients With Ovarian Cancer Who Have Received Three or Four Previous Chemotherapy Regimens

NCT02354586
View directory record Official record
Conditions
Ovarian Neoplasms, Ovarian Cancer
Interventions
Niraparib
Drug
Lead sponsor
Tesaro, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
463 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
48
States / cities
Chandler, Arizona • Phoenix, Arizona • Tucson, Arizona + 41 more
Source: ClinicalTrials.gov public record
Updated Sep 14, 2022 · Synced Sep 1, 2026, 7:50 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional

Niraparib, Temozolomide and Atezolizumab in Treating Patients With Advanced Solid Tumors and Extensive-Stage Small Cell Lung Cancer With a Complete or Partial Response to Platinum-Based First-Line Chemotherapy

NCT03830918
View directory record Official record
Conditions
Advanced Malignant Solid Neoplasm, Extensive Stage Lung Small Cell Carcinoma, Stage III Lung Cancer AJCC v8, Stage IIIA Lung Cancer AJCC v8, Stage IIIB Lung Cancer AJCC v8, Stage IIIC Lung Cancer AJCC v8, Stage IV Lung Cancer AJCC v8, Stage IVA Lung Cancer AJCC v8, Stage IVB Lung Cancer AJCC v8
Interventions
Atezolizumab, Niraparib, Quality-of-Life Assessment, Questionnaire Administration, Temozolomide
Biological · Drug · Other
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 11, 2026 · Synced Sep 1, 2026, 7:50 PM EDT
Active, not recruiting Phase 1 Interventional

A Study of TSR-022 in Participants With Advanced Solid Tumors (AMBER)

NCT02817633
View directory record Official record
Conditions
Neoplasms
Interventions
TSR-022, Nivolumab, TSR-042, TSR-033, Docetaxel, Pemetrexed, Cisplatin, Carboplatin
Drug
Lead sponsor
Tesaro, Inc.
Industry
Eligibility
18 Years and older
Enrollment
463 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2027
U.S. locations
64
States / cities
Goodyear, Arizona • Scottsdale, Arizona • Tucson, Arizona + 56 more
Source: ClinicalTrials.gov public record
Updated Oct 27, 2025 · Synced Sep 1, 2026, 7:50 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

An Open Label, Single Dose, Three Part Study to Assess the Effects of Rolapitant (2 mg/mL IV Solution) on the Pharmacokinetics of Digoxin; Sulfasalazine; and the Cooperstown Cocktail (Midazolam, Omeprazole, Warfarin, Caffeine, and Dextromethorphan in Healthy Subjects

NCT02434861
View directory record Official record
Conditions
Chemotherapy-induced Nausea and Vomiting
Interventions
Rolapitant, Digoxin, Sulfasalazine, Cooperstown Cocktail
Drug
Lead sponsor
Tesaro, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 24, 2015 · Synced Sep 1, 2026, 7:50 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 16, 2026 · Synced Sep 1, 2026, 7:50 PM EDT
Completed Phase 1 Interventional Results available

Pharmacokinetic and Safety Study of Niraparib With Normal or Moderate Hepatic Impairment Patients

NCT03359850
View directory record Official record
Conditions
Ovarian Neoplasms, Neoplasms, Solid Tumor, Hepatic Impairment
Interventions
Niraparib
Drug
Lead sponsor
Tesaro, Inc.
Industry
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
5
States / cities
Los Angeles, California • Newport Beach, California • Aurora, Colorado + 2 more
Source: ClinicalTrials.gov public record
Updated May 27, 2021 · Synced Sep 1, 2026, 7:50 PM EDT
Terminated Phase 1 Interventional

Niraparib Plus Carboplatin in Patients With Homologous Recombination Deficient Advanced Solid Tumor Malignancies

NCT03209401
View directory record Official record
Conditions
Solid Tumor, Adult, Homologous Recombination Deficiency
Interventions
Niraparib, Carboplatin
Drug
Lead sponsor
Georgetown University
Other
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
5
States / cities
New Haven, Connecticut • Washington D.C., District of Columbia • Hackensack, New Jersey + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 4, 2024 · Synced Sep 1, 2026, 7:50 PM EDT
Terminated Phase 2 Interventional Results available

Study to Evaluate the Efficacy and Safety of the Combination of Niraparib and Dostarlimab (TSR-042) in Participants With Platinum Resistant Ovarian Cancer

NCT03955471
View directory record Official record
Conditions
Ovarian Neoplasms
Interventions
Niraparib, Dostarlimab
Drug
Lead sponsor
Tesaro, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
27
States / cities
Scottsdale, Arizona • Duarte, California • Newport Beach, California + 22 more
Source: ClinicalTrials.gov public record
Updated Sep 9, 2022 · Synced Sep 1, 2026, 7:50 PM EDT
Active, not recruiting Phase 2 Interventional

Niraparib in Combination With Dostarlimab in Patients With Recurrent or Progressive Cervix Cancer

NCT04068753
View directory record Official record
Conditions
Recurrent Cervix Cancer, Progressive Cervix Cancer
Interventions
Niraparib, dostarlimab
Drug
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years and older · Female only
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
4
States / cities
Indianapolis, Indiana • New Orleans, Louisiana • Oklahoma City, Oklahoma + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 9, 2026 · Synced Sep 1, 2026, 7:50 PM EDT
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 20, 2019 · Synced Sep 1, 2026, 7:50 PM EDT
Active, not recruiting Phase 1 Interventional

Study of TSR-042, an Anti-programmed Cell Death-1 Receptor (PD-1) Monoclonal Antibody, in Participants With Advanced Solid Tumors

NCT02715284
View directory record Official record
Conditions
Neoplasms
Interventions
Dostarlimab
Biological
Lead sponsor
Tesaro, Inc.
Industry
Eligibility
18 Years and older
Enrollment
729 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2028
U.S. locations
48
States / cities
Birmingham, Alabama • Goodyear, Arizona • Scottsdale, Arizona + 38 more
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Sep 1, 2026, 7:50 PM EDT
Terminated Phase 2 Interventional Results available

A Study Comparing Niraparib Versus Platinum-Taxane Doublet Chemotherapy as Neoadjuvant Treatment in Participants With Homologous Recombination-Deficient Stage III/IV Ovarian Cancer (COHORT-C)

NCT06964165
View directory record Official record
Conditions
Ovarian Neoplasms
Interventions
Niraparib, Carboplatin, Paclitaxel
Drug
Lead sponsor
Tesaro, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
11
States / cities
San Francisco, California • Miami, Florida • Tampa, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Nov 25, 2025 · Synced Sep 1, 2026, 7:50 PM EDT
Not listed Phase 1 Interventional

Niraparib in Combination With Osimertinib in EGFR-Mutated Advanced Lung Cancer

NCT03891615
View directory record Official record
Conditions
Lung Cancer
Interventions
Niraparib, Osimertinib
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
3
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 15, 2020 · Synced Sep 1, 2026, 7:50 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 7, 2026 · Synced Sep 1, 2026, 7:50 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 14, 2022 · Synced Sep 1, 2026, 7:50 PM EDT
Active, not recruiting Phase 1 Interventional

TSR-042 in Addition to Standard of Care Definitive Radiation for Inoperable Endometrial Cancer

NCT03955978
View directory record Official record
Conditions
Endometrial Cancer, Cancer of the Endometrium
Interventions
TSR-042, Brachytherapy, Endometrial biopsy, Blood draw for immune response
Drug · Radiation · Procedure
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older · Female only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2029
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 5, 2026 · Synced Sep 1, 2026, 7:50 PM EDT