Clinical Trials

Neoplasm Metastasis

NCT03748641 2026-03-16

MAGNITUDE

765 enrolled 16 charts 1 FDA

Prostatic Neoplasms, Castration-Resistant

NCT04037254 2026-03-16

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

Phase 1/2 Completed

22 enrolled 13 charts

Prostatic Neoplasms

NCT06412120 2026-03-16

Study Evaluating Safety, Tolerability, and Metabolism of Niraparib

Phase 4 Recruiting

70 enrolled

Ovarian Neoplasms

NCT01042379 2026-03-13

I-SPY

Phase 1 Active not recruiting

5,000 enrolled

BreastSarcoma

Pathologic Complete Response, Breast Neoplasms, Hemangiosarcoma, Neoplasms, Triple Negative Breast Neoplasms

NCT04577833 2026-03-13

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

136 enrolled

Phase 1 Active not recruiting

Prostatic Neoplasms

NCT03586661 2026-03-11

Niraparib and Copanlisib in Treating Patients With Recurrent Endometrial, Ovarian, Primary Peritoneal, or Fallopian Tube Cancer

31 enrolled

Fallopian Tube Neoplasms, Ovarian Neoplasms, Endometrial Neoplasms, Disease Progression

NCT02655016 2026-03-10

A Study of Niraparib (GSK3985771) Maintenance Treatment in Participants With Advanced Ovarian Cancer Following Response on Front-Line Platinum-Based Chemotherapy

733 enrolled 21 charts 2 FDA

Phase EARLY_PHASE1 Active not recruiting

Ovarian Neoplasms

NCT05076513 2026-03-09

Trial of Niraparib in Participants With Newly-diagnosed Glioblastoma and Recurrent Glioma

42 enrolled

Glioblastoma, Glioma

NCT04288687 2026-03-04

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

Phase 2 Completed

11 enrolled 13 charts

Prostate Adenocarcinoma

NCT06915025 2026-02-27

OVATION-3

Phase 3 Recruiting

500 enrolled

Carcinoma, Ovarian Epithelial, Fallopian Tube Neoplasms, Ovarian Neoplasms

NCT04947254 2026-02-19

Androgen Ablation Therapy With or Without Niraparib After Radiation Therapy for the Treatment of High-Risk Localized or Locally Advanced Prostate Cancer

200 enrolled

Prostatic Neoplasms

NCT06433219 2026-02-18

Tuvusertib Combined With Niraparib or Lartesertib in Participants With Epithelial Ovarian Cancer (DDRiver EOC 302)

63 enrolled

Hereditary Sensory and Autonomic Neuropathies, Ovarian Neoplasms

NCT05442749 2026-02-17

PARPi-PANC

Phase 2 Terminated

2 enrolled

Gastrointestinal

Pancreatic Neoplasms

NCT04497844 2026-02-13

AMPLITUDE

696 enrolled 15 charts 1 FDA

Phase 1/2 Active not recruiting

Metastatic Castration-sensitive Prostate Cancer

NCT03830918 2026-02-12

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

59 enrolled

Thoracic

Lung Neoplasms, Small Cell Lung Carcinoma

NCT05601440 2026-02-11

Liquid-biopsy Informed Platform Trial to Evaluate CDK4/6-inhibitor Resistant ER+/HER2- Metastatic Breast Cancer

484 enrolled

Breast Neoplasms

NCT04068753 2026-02-10

STAR

66 enrolled

Phase EARLY_PHASE1 Active not recruiting

Uterine Cervical Neoplasms

NCT05406700 2026-02-09

Niraparib In Recurrent IDH 1/2 Gliomas

16 enrolled

Glioma

NCT05718323 2026-02-06

RAISE

44 enrolled

Thoracic

SCLC,Extensive Stage

NCT05700721 2026-02-05

Phase II Trial of the PARP Inhibitor Niraparib and PD-1 Inhibitor Dostarlimab in Patients With Advanced Cancers With Active Progressing Brain Metastases (STARLET)

120 enrolled

Brain Neoplasms

NCT06388733 2026-02-03

A Study Comparing Niraparib With Temozolomide in Adult Participants With Newly-diagnosed, MGMT Unmethylated Glioblastoma

Phase 3 Recruiting

450 enrolled

Phase 1/2 Active not recruiting

Brain Neoplasms, Glioblastoma

NCT06077877 2026-02-02

A Study to Investigate the Safety, Tolerability, Pharmacokinetics (PK), and Preliminary Anticancer Activity of GSK4524101 Alone or With Niraparib in Participants With Solid Tumors

42 enrolled

Phase 1 Active not recruiting

Neoplasms

NCT04170153 2026-01-30

Tuvusertib (M1774) in Participants With Metastatic or Locally Advanced Unresectable Solid Tumors (DDRiver Solid Tumors 301)

161 enrolled

Neoplasm Metastasis

NCT03768063 2026-01-29

IMbrella B

1,000 enrolled

Neoplasms

NCT04481113 2026-01-29

Abemaciclib and Niraparib Before Surgery for the Treatment of Hormone Receptor Positive HER2 Negative Breast Cancer

Phase 1 Completed

8 enrolled

Unilateral Breast Neoplasms

NCT03601923 2026-01-28

Niraparib in Patients With Pancreatic Cancer

32 enrolled

Gastrointestinal

Pancreatic Neoplasms

NCT04991480 2026-01-27

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

Phase 1 Completed

93 enrolled

Phase 1/2 Active not recruiting

Breast Neoplasms, Neoplasm Metastasis

NCT03368729 2026-01-23

Niraparib in Combination With Trastuzumab in Metastatic HER2+ Breast Cancer

46 enrolled

Breast Neoplasms

NCT04992013 2026-01-23

Niraparib in Tumors Metastatic to the CNS

20 enrolled

Neoplasm Metastasis, Central Nervous System Neoplasms

NCT03869190 2026-01-22

Study Evaluating the Efficacy and Safety of Multiple Immunotherapy-Based Treatments and Combinations in Patients With Urothelial Carcinoma (MORPHEUS-UC)

Phase 1/2 Completed

272 enrolled

Urinary Bladder Neoplasms, Carcinoma, Transitional Cell

NCT04544995 2026-01-21

Dose Escalation and Cohort Expansion Study of Niraparib and Dostarlimab in Paediatric Participants With Solid Tumors (SCOOP)

Phase 1 Terminated

47 enrolled 43 charts

CNSSarcoma

Neoplasms, Neuroblastoma, Osteosarcoma

NCT04221503 2026-01-08

Niraparib/TTFields in GBM

30 enrolled

Glioblastoma

NCT05689021 2026-01-07

CJNJ-67652000 and Prednisone for Treatment of Metastatic Castration-Resistant Prostate Cancer and SPOP Gene Mutations

8 enrolled

Prostatic Neoplasms

NCT03983993 2026-01-05

NIPAVect

26 enrolled 8 charts

Gastrointestinal

Colorectal Neoplasms

NCT03602859 2025-12-31

FIRST

1,400 enrolled 18 charts

Ovarian Neoplasms

NCT05021562 2025-12-31

A Study of Niraparib in Patients With Ovarian Cancer in Clinical Practice

Active not recruiting

354 enrolled

Ovarian Neoplasms

NCT03431350 2025-12-23

QUEST

136 enrolled 29 charts

Prostatic Neoplasms, Castration-Resistant

NCT04592237 2025-12-23

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

120 enrolled

Prostatic Neoplasms

NCT02854436 2025-12-22

Galahad

Phase 2 Completed

289 enrolled 18 charts