๐Ÿ›๏ธ Verified NIH Record โ€ข Updated 2026-06-15

Radiation, Immunotherapy and PARP Inhibitor in Triple Negative Breast Cancer (NCT04837209)

A Phase II Study of NirAparib, Dostarlimab and Radiotherapy in Metastatic, PD-L1 Negative or Immunotherapy-Refractory Triple-Negative Breast Cancer (NADiR)

๐Ÿ”ต Active, Not Recruiting Phase2 ๐Ÿ’Š Investigational Drug / Biologic Sponsor: Massachusetts General Hospital

๐Ÿฉบ Plain-English Summary (8th-Grade Level)

This research study is looking to see whether the combination of Dostarlimab and Niraparib plus Radiation Therapy (RT) is safe and effective in participants with metastatic triple negative breast cancer. The names of the study treatment involved in this study are: * Dostarlimab * Niraparib * Radiation Therapy (RT), which is given per standard of care.

Who can join: Review the eligibility criteria below.

Location: Sibley Memorial Hospital โ€” Washington D.C., District of Columbia

Age range: 18 Years

๐Ÿงช Interventions in This Study

๐Ÿ“‹ "Do I Qualify?" โ€” 1-Minute Self Screener

Instant Checklist

Full eligibility criteria are available on the official NIH protocol. View the criteria โ†—

๐Ÿ“ All Participating Trial Locations (4 Sites)

  • Sibley Memorial Hospital โ€” Washington D.C., District of Columbia
  • Massachusetts General Hospital Cancer Center โ€” Boston, Massachusetts
  • Duke University Medical Center โ€” Durham, North Carolina
  • University of Pennsylvania Abramson Cancer Center โ€” Philadelphia, Pennsylvania

๐Ÿ’ฐ Cost, Insurance & Patient Rights

  • 100% Free Items: The investigational treatment and protocol-required procedures are supplied at zero cost by the sponsor.
  • Routine Patient Care: Under federal law (ACA ยง 2709) and many state statutes, routine care costs are covered during participation.
  • Voluntary Participation: You may withdraw at any time without affecting your standard medical care.

Explore by condition: All Breast Cancer clinical trials

๐Ÿ’ก How to Participate

  1. Check the checklist above to see if you may qualify.
  2. Review the official NIH record below to find the coordinating site.
  3. Ask about the visit schedule, what is covered at no cost, and any travel support.
  4. Confirm with your own doctor before making a decision.
๐Ÿ›๏ธ View Official NIH Record โ†—