Proton radiation after lumpectomy for early breast cancer
Part of Cancer, Skin clinical trials.
This trial studies a type of radiation made with protons to treat only part of the breast after surgery (lumpectomy) for early-stage breast cancer. It may help control the cancer while aiming to reduce radiation to surrounding tissues.
Summary written for real people, not researchers, by Clin2.
Who can take part
- You must be female and age 50 or older.
- Your breast cancer diagnosis must be proven by pathology as invasive ductal cancer or DCIS (lobular cancer is not allowed).
- The tumor must be early stage (Stage 0, I, or II), and if Stage II the tumor must be 3 cm or smaller.
- Your surgery must be a lumpectomy with clear margins (negative) by at least 0.2 cm, and you must start treatment within set timelines after surgery/chemo.
- Your cancer must be ER positive, and for invasive cancer the HER2 test must have been done (either positive or negative is allowed).
- You must be able to use the trial’s treatment planning setup, including having clips/markers placed if needed for daily image guidance.
Quick eligibility check
Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.
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