New combo aims to shrink bladder tumors without chemo

NCT ID NCT07414992

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This phase 2 trial tests whether giving focused radiation (SBRT) along with immunotherapy drugs (cemiplimab, with or without fianlimab) before bladder removal can safely shrink muscle-invasive bladder tumors. The study enrolls 44 patients who cannot or choose not to take standard cisplatin chemotherapy. The main goal is to see if the cancer is no longer in the muscle layer at the time of surgery.

What this could mean

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

Active substance
Cemiplimab (immunotherapy drug) and stereotactic body radiotherapy (focused radiation), with or without fianlimab (another immunotherapy drug)
What this could lead to
If this works, it could offer a less toxic, chemotherapy-free option to shrink bladder tumors before surgery, potentially improving outcomes for patients who cannot take cisplatin.
What could go wrong
This is a small, early-phase (phase 2) trial with only 44 participants. It may not show enough benefit or could have side effects from combining radiation with immunotherapy. Success is not guaranteed.

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: •••••@•••••

  • Contact

    Phone: •••-•••-••••

Locations

  • Memorial Sloan Kettering Basking Ridge (Limited Protocol Activities)

    Basking Ridge, New Jersey, 07920, United States

    Contact Phone: •••-•••-••••

  • Memorial Sloan Kettering Bergen (Limited Protocol Activities)

    Montvale, New Jersey, 07645, United States

    Contact Phone: •••-•••-••••

  • Memorial Sloan Kettering Cancer Center (All Protocol Activities)

    New York, New York, 10065, United States

    Contact Phone: •••-•••-••••

    Contact Phone: •••-•••-••••

  • Memorial Sloan Kettering Monmouth (Limited Protocol Activities)

    Middletown, New Jersey, 07748, United States

    Contact Phone: •••-•••-••••

  • Memorial Sloan Kettering Nassau (Limited Protocol Activities)

    Uniondale, New York, 11553, United States

    Contact Phone: •••-•••-••••

  • Memorial Sloan Kettering Suffolk - Commack (Limited Protocol Activities)

    Commack, New York, 11725, United States

    Contact Phone: •••-•••-••••

  • Memorial Sloan Kettering Westchester (Limited Protocol Activities)

    Harrison, New York, 10604, United States

    Contact Phone: •••-•••-••••

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