Can a breast cancer drug shrink fibroids? new trial aims to find out

NCT ID NCT06143631

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests whether the drug letrozole can improve symptoms and shrink fibroids in women with uterine fibroids. 140 participants will receive either letrozole or a placebo daily for 12 weeks. The main goal is to see if letrozole reduces symptom severity and improves quality of life.

What this could mean

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

Active substance

Letrozole 2.5 mg tablet taken daily

What this could lead to

If it works, this could offer a non-surgical option to reduce fibroid symptoms like heavy bleeding and pelvic pressure.

What could go wrong

This is a relatively small, short-term trial (12 weeks). Letrozole may not work better than placebo, and side effects are possible. Results may not apply to all women.

Disclaimer Read more

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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Conditions

The condition(s) this trial relates to.

leiomyoma uterine corpus leiomyoma

As listed by the trial registrant

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

Contacts and locations

Study contacts

  • Contact

    Email: •••••@•••••

  • Contact

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

Locations

  • Duke University

    RECRUITING

    Durham, North Carolina, 27710, United States

    Contact

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

  • Mayo Clinic

    RECRUITING

    Rochester, Minnesota, 55905, United States

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

    Contact

  • University of California, Los Angeles

    RECRUITING

    Los Angeles, California, 90095, United States

    Contact

    Contact

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

  • University of California, San Francisco

    RECRUITING

    San Francisco, California, 94115, United States

    Contact

    Contact Email: •••••@•••••

    Contact

    Contact Email: •••••@•••••

  • University of Mississippi Medical Center

    RECRUITING

    Jackson, Mississippi, 39216, United States

    Contact

    Contact

    Contact

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