New hope for Hard-to-Treat breast cancer: targeted radiation plus hormone therapy

NCT ID NCT05870579

First seen May 03, 2026 · Last updated May 18, 2026 · Updated 5 times

Summary

This early-phase study is testing a new drug combination for people with a specific type of advanced breast cancer (ER+, HER2-) that has stopped responding to standard hormone therapy. The treatment adds a targeted radioactive drug (177Lu-NeoB) to two existing hormone-blocking medications (ribociclib and fulvestrant). The main goal is to find the safest dose and see how well patients tolerate the combination. About 48 adults with this type of breast cancer will take part.

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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

  • Hoag Memorial Hospital Presbyterian

    RECRUITING

    Newport Beach, California, 92663, United States

    Contact Email: •••••@•••••

    Contact

  • MD Anderson Cancer Center

    RECRUITING

    Houston, Texas, 77030, United States

    Contact Email: •••••@•••••

    Contact

  • Novartis Investigative Site

    RECRUITING

    Guangzhou, 510060, China

  • Novartis Investigative Site

    RECRUITING

    Shanghai, 200032, China

  • Novartis Investigative Site

    RECRUITING

    Tianjin, 300300, China

  • Novartis Investigative Site

    RECRUITING

    Saint-Cloud, Hauts De Seine, 92210, France

  • Novartis Investigative Site

    RECRUITING

    Bordeaux, 33076, France

  • Novartis Investigative Site

    RECRUITING

    Clermont-Ferrand, 63011, France

  • Novartis Investigative Site

    RECRUITING

    Saint-Herblain, 44805, France

  • Novartis Investigative Site

    RECRUITING

    Strasbourg, F 67085, France

  • Novartis Investigative Site

    RECRUITING

    Cologne, North Rhine-Westphalia, 50937, Germany

  • Novartis Investigative Site

    RECRUITING

    Erlangen, 91054, Germany

  • Novartis Investigative Site

    RECRUITING

    Essen, 45147, Germany

  • Novartis Investigative Site

    RECRUITING

    München, 80377, Germany

  • Novartis Investigative Site

    RECRUITING

    Gliwice, 44 101, Poland

  • Novartis Investigative Site

    RECRUITING

    Porto, 4200-072, Portugal

  • Novartis Investigative Site

    RECRUITING

    L'Hospitalet de Llobregat, Barcelona, 08907, Spain

  • Novartis Investigative Site

    RECRUITING

    Barcelona, 08035, Spain

  • Novartis Investigative Site

    RECRUITING

    Barcelona, 08036, Spain

  • Novartis Investigative Site

    RECRUITING

    Madrid, 28034, Spain

  • Novartis Investigative Site

    RECRUITING

    Madrid, 28040, Spain

  • UCLA Jonsson Comp Cancer Center

    RECRUITING

    Los Angeles, California, 90095, United States

    Contact

    Contact Email: •••••@•••••

  • University of Kansas Medical Center

    RECRUITING

    Westwood, Kansas, 66205, United States

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

    Contact

  • University of Pennsylvania

    RECRUITING

    Philadelphia, Pennsylvania, 19104, United States

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

    Contact

  • Utah Intermountain Medical Center

    RECRUITING

    Murray, Utah, 84107, United States

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

    Contact

Conditions

Explore the condition pages connected to this study.