New hope for Hard-to-Treat breast cancer: drug duo targets rare mutation

NCT ID NCT07193394

First seen Nov 01, 2025 · Last updated Apr 30, 2026 · Updated 26 times

Summary

This study tests a combination of two drugs, tucatinib and trastuzumab, in people with a specific type of advanced breast cancer that has a mutation in the HER3 gene. The goal is to see if this treatment can shrink tumors or stop them from growing for at least 24 weeks. The trial is for patients who have already tried at least two other chemotherapy treatments.

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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: •••••@•••••

  • Contact

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

Locations

  • CHU de Nîmes

    NOT_YET_RECRUITING

    Nîmes, 30 029, France

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    Contact

  • Centre Antoine Lacassagne

    NOT_YET_RECRUITING

    Nice, 06 189, France

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  • Centre Eugène Marquis

    NOT_YET_RECRUITING

    Rennes, 35 042, France

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  • Chu Dupuytren- Limoges

    NOT_YET_RECRUITING

    Limoges, 87 042, France

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  • Institut Curie_ Site Saint-Cloud

    RECRUITING

    Saint-Cloud, 92 210, France

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  • Institut Paoli-Calmettes

    NOT_YET_RECRUITING

    Marseille, 13009, France

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  • Institut Universitaire du Cancer de Toulouse (IUCT) - Oncopole Claudius Regaud

    NOT_YET_RECRUITING

    Toulouse, 31 059, France

    Contact

    Contact

  • Institut de Cancérologie de Lorraine

    NOT_YET_RECRUITING

    Vandœuvre-lès-Nancy, 54 519, France

    Contact

    Contact

  • Polyclinique Bordeaux Nord Aquitaine

    NOT_YET_RECRUITING

    Bordeaux, 33 300, France

    Contact

    Contact

Conditions

Explore the condition pages connected to this study.