Gene test may spare some breast cancer patients from chemo

NCT ID NCT03843346

First seen Apr 30, 2026 · Last updated Jun 12, 2026 · Updated 4 times

Summary

This study looked at whether a special tumor test (called the 21 gene Recurrence Score) changes doctors' decisions about recommending chemotherapy for women with a common type of early breast cancer. 87 patients in Ireland took part. The goal was to see if the test could help avoid unnecessary chemotherapy.

Disclaimer Read more

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.

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for BREAST CANCER are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

Contacts and locations

Locations

  • Beaumont Hospital

    Dublin, Dublin 9, Ireland

  • Bon Secour Cork

    Cork, Ireland

  • Cork University Hospital

    Cork, Ireland

  • Letterkenny University Hospital

    Letterkenny, Co. Donegal, Ireland

  • Mater Misericordiae University Hospital & Mater Private Hospital

    Dublin, Dublin 7, Ireland

  • St James' Hospital

    Dublin, Ireland

  • St Vincent's University Hospital

    Dublin, Dublin 4, Ireland

  • University Hospital Galway

    Galway, Ireland

  • University Hospital Limerick

    Limerick, V94 F858, Ireland

  • University Hospital Waterford

    Waterford, Ireland

Conditions

Explore the condition pages connected to this study.