Glow-in-the-Dark dye could help surgeons spot hidden cancer cells

NCT ID NCT06873815

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

Summary

This study tests whether giving a fluorescent dye called fluorescein sodium before vulvectomy helps surgeons see and remove all extramammary Paget's disease cells. About 27 adults with noninvasive or microinvasive disease will receive the dye intravenously in the operating room. The main goal is to see if this reduces the chance of leaving cancer cells behind, which could lower the need for repeat surgery.

What this could mean

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

Active substance
fluorescein sodium (a dye given by IV before surgery)
What this could lead to
If it works, this could help surgeons remove all disease cells during vulvectomy, reducing the chance that cancer is left behind.
What could go wrong
This is a small, early-phase trial with only 27 people, so results may not apply to everyone. The dye could cause allergic reactions or other complications.

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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

Locations

  • Memorial Sloan Kettering Basking Ridge (Limited Protocol Activities)

    RECRUITING

    Basking Ridge, New Jersey, 07920, United States

  • Memorial Sloan Kettering Bergen (Limited Protocol Activities)

    RECRUITING

    Montvale, New Jersey, 07645, United States

  • Memorial Sloan Kettering Cancer Center (All Protocol Activities)

    RECRUITING

    New York, New York, 10065, United States

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

    RECRUITING

    Commack, New York, 11725, United States

  • Memorial Sloan Kettering Monmouth (Limited Protocol Activities)

    RECRUITING

    Middletown, New Jersey, 07748, United States

  • Memorial Sloan Kettering Nassau (Limited Protocol Activities)

    RECRUITING

    Uniondale, New York, 11553, United States

  • Memorial Sloan Kettering Westchester (Limited Protocol Activities)

    RECRUITING

    Harrison, New York, 10604, United States

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