New biomarker test may spare some breast cancer patients from chemotherapy

NCT ID NCT05837455

First seen Apr 23, 2026 · Last updated May 10, 2026 · Updated 3 times

Summary

This study tests a new way to choose pre-surgery treatment for postmenopausal women with stage II or III ER-positive, HER2-negative breast cancer. By using biomarkers, doctors hope to improve response and identify patients who may not need chemotherapy. The trial enrolls 81 participants, with a special focus on outcomes for Black patients.

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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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Contacts and locations

Study contacts

  • Contact

    Phone: •••-•••-•••• Email: •••••@•••••

Locations

  • Washington University School of Medicine

    RECRUITING

    St Louis, Missouri, 63110, United States

    Contact

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    Contact Phone: •••-•••-•••• Email: •••••@•••••

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Conditions

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