Could a menopause drug combo cut breast cancer risk?

NCT ID NCT04821375

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

Summary

This pilot study tested whether a daily combination of bazedoxifene and conjugated estrogens could change breast tissue markers in 16 women at increased risk for breast cancer. The women, aged 45-65 with menopausal symptoms, took the drugs for 6 months. The goal was to see if the approach is feasible and affects MRI and mammogram measures linked to cancer risk.

What this could mean

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

Active substance
bazedoxifene plus conjugated estrogens
What this could lead to
If successful, this could point toward a way to manage breast cancer risk while easing menopausal symptoms.
What could go wrong
This is a very small, early-phase pilot study with only 16 participants. It only tests feasibility and imaging changes, not cancer prevention, so results may not lead to a proven risk reduction.

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

Locations

  • University of Kansas Medical Center

    Kansas City, Kansas, 66160, United States