New drug duo aims to outsmart resistant breast cancer

NCT ID NCT07198724

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

Summary

This study tests a combination of two drugs—elacestrant and trastuzumab deruxtecan—in people with a specific type of advanced breast cancer (HR-positive, HER2-low or ultralow) that has stopped responding to standard hormone therapy and CDK4/6 inhibitors. The goal is to find the safest dose and see if the combination can shrink tumors. About 65 participants will take part.

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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

  • Dana-Farber Cancer Institute

    RECRUITING

    Boston, Massachusetts, 02215, United States

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Other studies related to the condition(s) this trial covers.