New pill takes aim at hard-to-treat cancers with HER2 mutations

NCT ID NCT07361562

First seen Jan 28, 2026 · Last updated May 18, 2026 · Updated 19 times

Summary

This early-stage study is testing an experimental drug called CGT4255 in about 100 adults whose advanced solid tumors have specific genetic changes (ERBB2 alterations or HER2 overexpression). The main goals are to check safety, find the best dose, and see if the drug shrinks tumors. The study includes people with certain types of lung cancer, breast cancer, and other solid tumors that have spread or cannot be removed by surgery.

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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

  • NEXT Oncology Texas

    RECRUITING

    Austin, Texas, 78758, United States

  • NEXT Oncology Virginia

    RECRUITING

    Fairfax, Virginia, 22031, United States

  • NYU Langone

    RECRUITING

    New York, New York, 10016, United States

  • START Midwest

    RECRUITING

    Grand Rapids, Michigan, 49546, United States

  • START Mountain Region

    RECRUITING

    West Valley City, Utah, 84119, United States

  • Tennessee Oncology

    RECRUITING

    Nashville, Tennessee, 37203, United States

Conditions

Explore the condition pages connected to this study.