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Clinical Trial Summary

This phase IB trial evaluates the effect of niraparib and TSR-042 in treating patients with BRCA-mutated breast, pancreas, ovary, fallopian tube, or primary peritoneal cancer that cannot be removed by surgery (unresectable) or has spread to other places in the body (metastatic). Niraparib is an inhibitor of PARP, an enzyme that helps repair deoxyribonucleic acid (DNA) when it becomes damaged. Blocking PARP may help keep cancer cells from repairing their damaged DNA, causing them to die. PARP inhibitors are a type of targeted therapy. Immunotherapy with monoclonal antibodies, such as TSR-042, may help the body's immune system attack the cancer, and may interfere with the ability of tumor cells to grow and spread. Giving niraparib and TSR-042 may kill more cancer cells.


Clinical Trial Description

OUTLINE: Patients receive niraparib orally (PO) once daily (QD) on days 1-28 of cycle 1. Beginning cycle 2, patients receive niraparib PO QD on days 1-21 and dostarlimab intravenously (IV) on day 1. Treatment repeats every 21 days for 4 cycles in the absence of disease progression or unacceptable toxicity. Beginning cycle 6, patients receive niraparib PO QD on days 1-42 and dostarlimab IV on day 1. Cycles repeat every 42 days for up to 24 months in the absence of disease progression or unacceptable toxicity. After completion of study treatment, patients are followed up for 30 days, every 6 months for 2 years, and then annually for up to 5 years. ;


Study Design


Related Conditions & MeSH terms

  • Anatomic Stage III Breast Cancer AJCC v8
  • Anatomic Stage IV Breast Cancer AJCC v8
  • Breast Neoplasms
  • Carcinoma
  • Carcinoma, Ovarian Epithelial
  • Fallopian Tube Neoplasms
  • Metastatic BRCA-Associated Breast Carcinoma
  • Metastatic Breast Carcinoma
  • Metastatic Fallopian Tube Carcinoma
  • Metastatic Malignant Solid Neoplasm
  • Metastatic Ovarian Carcinoma
  • Metastatic Pancreatic Carcinoma
  • Metastatic Primary Peritoneal Carcinoma
  • Neoplasms
  • Ovarian Neoplasms
  • Pancreatic Neoplasms
  • Peritoneal Neoplasms
  • 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

NCT number NCT04673448
Study type Interventional
Source University of Washington
Contact Elizabeth M. Swisher
Phone 206 543-3669
Email swishere@uw.edu
Status Recruiting
Phase Phase 1
Start date October 18, 2021
Completion date March 30, 2026

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