New drug cocktail aims to outsmart resistant breast cancer

NCT ID NCT07708194

First seen Jul 16, 2026 · Last updated Jul 17, 2026 · Updated 1 time

Summary

This clinical trial is testing a combination of three drugs—entinostat, pyrotinib, and endocrine therapy—in people with advanced triple-positive breast cancer (cancer that is both hormone receptor-positive and HER2-positive) whose disease has worsened after prior treatment with trastuzumab. The study has two parts: first, to find the safest dose of entinostat when given with the other drugs, and second, to see how well the combination works at controlling the cancer. The goal is to offer a new treatment option for this hard-to-treat form of breast cancer.

What this could mean

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

Active substance
a combination of entinostat (an HDAC inhibitor), pyrotinib (a tyrosine kinase inhibitor), and endocrine therapy
What this could lead to
If successful, this combination could offer a new treatment option for people with advanced triple-positive breast cancer who have stopped responding to standard therapy.
What could go wrong
This is an early-phase trial with a small number of participants, so the benefits and risks are not yet fully known. The combination may cause significant side effects or may not improve outcomes.

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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

Study contacts

  • Contact

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

Locations

  • Tianjin Medical University Cancer Institute and Hospital

    RECRUITING

    Tianjin, Tianjin Municipality, 300060, China

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

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