New drug cocktail shows promise in slowing uterine cancer before surgery

NCT ID NCT04049227

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This early-phase trial tested two drugs, abemaciclib and letrozole, given before standard hysterectomy in 27 women with endometrial cancer. The goal was to see if the combination could slow cancer cell growth by measuring changes in a protein called Ki-67. The study was small and focused on biological markers, not long-term outcomes.

What this could mean

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

Active substance

abemaciclib and letrozole

What this could lead to

If successful, this could point toward a new drug combination to slow endometrial cancer growth before surgery.

What could go wrong

This is a very early, small pilot study with only 27 participants. It only measures short-term biomarker changes, not long-term outcomes like survival or recurrence.

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.

endometrial endometrioid adenocarcinoma

As listed by the trial registrant

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

Contacts and locations

Locations

  • Northwestern University

    Chicago, Illinois, 60611, United States

  • University of Chicago Comprehensive Cancer Center

    Chicago, Illinois, 60637, United States