Radiation, Immunotherapy and PARP Inhibitor in Triple Negative Breast Cancer
Public ClinicalTrials.gov record NCT04837209. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Phase II Study of NirAparib, Dostarlimab and Radiotherapy in Metastatic, PD-L1 Negative or Immunotherapy-Refractory Triple-Negative Breast Cancer (NADiR)
Study identification
- NCT ID
- NCT04837209
- Recruitment status
- Active, not recruiting
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- Massachusetts General Hospital
- Other
- Enrollment
- 32 participants
Conditions and interventions
Conditions
Interventions
- Niraparib Drug
- Dostarlimab Drug
- Radiation therapy Radiation
Drug · Radiation
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jul 20, 2021
- Primary completion
- Jan 31, 2027
- Completion
- Nov 30, 2029
- Last update posted
- Jun 16, 2026
2021 – 2029
United States locations
- U.S. sites
- 4
- U.S. states
- 4
- U.S. cities
- 4
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Sibley Memorial Hospital | Washington D.C. | District of Columbia | 20016 | — |
| Massachusetts General Hospital Cancer Center | Boston | Massachusetts | 02114 | — |
| Duke University Medical Center | Durham | North Carolina | 27710 | — |
| University of Pennsylvania Abramson Cancer Center | Philadelphia | Pennsylvania | 19104 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04837209, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Jun 16, 2026 · Synced Jul 24, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04837209 live on ClinicalTrials.gov.