New drug combo targets Hard-to-Treat kidney cancer

NCT ID NCT05536141

First seen Jun 27, 2026 · Last updated Jul 02, 2026 · Updated 1 time

Summary

This early-stage study tests a new drug called casdatifan (AB521) alone or combined with other cancer drugs in people with advanced clear cell kidney cancer or other solid tumors. The main goals are to check safety and find the right dose. About 362 participants will take part.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance
casdatifan (AB521), cabozantinib, zimberelimab, ipilimumab
What this could lead to
If successful, this could point toward a new treatment option for advanced kidney cancer and other solid tumors.
What could go wrong
This is an early Phase 1 trial focused on safety and dosing, not yet on effectiveness. The drug may not work or could have side effects.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Study contacts

  • Contact

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

Locations

  • Research Site

    RECRUITING

    Birmingham, Alabama, 35294, United States

  • Research Site

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    San Diego, California, 92093, United States

  • Research Site

    RECRUITING

    Santa Monica, California, 90404, United States

  • Research Site

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    Miami, Florida, 33136, United States

  • Research Site

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    Atlanta, Georgia, 30322-1013, United States

  • Research Site

    RECRUITING

    Louisville, Kentucky, 40202, United States

  • Research Site

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    New Orleans, Louisiana, 70121, United States

  • Research Site

    RECRUITING

    Baltimore, Maryland, 21287, United States

  • Research Site

    RECRUITING

    Boston, Massachusetts, 02215, United States

  • Research Site

    RECRUITING

    Detroit, Michigan, 48201, United States

  • Research Site

    RECRUITING

    Detroit, Michigan, 48202, United States

  • Research Site

    RECRUITING

    Omaha, Nebraska, 68124, United States

  • Research Site

    RECRUITING

    New York, New York, 10029, United States

  • Research Site

    RECRUITING

    New York, New York, 10065, United States

  • Research Site

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    Cleveland, Ohio, 44106, United States

  • Research Site

    RECRUITING

    Cleveland, Ohio, 44195, United States

  • Research Site

    RECRUITING

    Pittsburgh, Pennsylvania, 15232, United States

  • Research Site

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    Nashville, Tennessee, 37203, United States

  • Research Site

    RECRUITING

    Nashville, Tennessee, 37240, United States

  • Research Site

    RECRUITING

    San Antonio, Texas, 78229, United States

  • Research Site

    NOT_YET_RECRUITING

    Camperdown, Australia

  • Research Site

    RECRUITING

    Melbourne, Australia

  • Research Site

    RECRUITING

    Sydney, Australia

  • Research Site

    RECRUITING

    Seoul, South Korea

  • Research Site

    RECRUITING

    Barcelona, Spain

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