New Triple-Drug attack shows promise for tough breast cancer

NCT ID NCT05286437

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

Summary

This phase II study is testing a combination of three drugs—lenvatinib, pembrolizumab, and letrozole—in people with advanced hormone receptor-positive, HER2-negative breast cancer that has stopped responding to standard hormone therapy. The goal is to see if this combination can shrink tumors or slow disease progression. The study plans to enroll 40 participants.

What this could mean

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

Active substance

Lenvatinib, Pembrolizumab, and Letrozole

What this could lead to

If successful, this combination could offer a new treatment option for people with advanced breast cancer that has stopped responding to standard hormone therapy.

What could go wrong

This is a small, early-phase (phase II) study with only 40 participants. The combination may not work better than existing treatments, and side effects from the drugs could be significant.

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.

hormone receptor-positive breast cancer

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

  • National Cancer Centre Singapore

    RECRUITING

    Singapore, 169610, Singapore

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