Gene test may spare breast cancer patients from mastectomy
NCT ID NCT05666258
First seen Jun 16, 2026 · Last updated Jun 16, 2026
Summary
This study looked at 22 women with a common type of breast cancer (HR+, HER2-). Doctors used a gene test called MammaPrint to see if patients would benefit from chemotherapy before surgery. The goal was to shrink tumors enough so that women could have a lumpectomy instead of a mastectomy, or avoid full lymph node removal. The study aimed to find out if this approach is possible, not to prove it works yet.
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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Locations
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Universitair Ziekenhuis Brussel
Jette, Brussels Capital, 1090, Belgium
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