A Study of an Alternative Treatment Approach (Preoperative Radiotherapy, Then Mastectomy, Then Immediate Reconstruction Surgery) in People With T4 Breast Cancer — Stella
Phase 1 — Early testing in a small group of people (usually 20–80) to evaluate safety, determine safe dosage, and identify side effects.
(7 sites) United States
Memorial Sloan Kettering Basking Ridge (Limited Protocol Activities), Basking Ridge, New Jersey Memorial Sloan Kettering Monmouth (Limited Protocol Activities), Middletown, New Jersey Memorial Sloan Kettering Bergen (Limited Protocol Activities), Montvale, New Jersey Memorial Sloan Kettering Cancer Center @ Suffolk-Commack (Limited protocol activity), Commack, New York Memorial Sloan Kettering Westchester (Limited Protocol Activities), Harrison, New York Memorial Sloan Kettering Cancer Center, New York, New York Memorial Sloan Kettering Nassau (Limited Protocol Activities), Uniondale, New York
Key details Sponsor
Memorial Sloan Kettering Cancer Center
Enrollment target
~60 participants
Primary completion
June 2026
Age range
18 Years and older
Last updated February 2026