Promising breast cancer combo trial pulled before it even started

NCT ID NCT07134556

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

Summary

This was a phase II trial testing a combination of three drugs—zimberelimab, domvanalimab, and sacituzumab govitecan—as a first treatment for people with advanced triple-negative breast cancer that is PD-L1 positive. The study aimed to see how well the drugs shrank tumors and how safe they were. However, the trial was withdrawn before enrolling any participants, so no results are available.

What this could mean

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

Active substance

zimberelimab, domvanalimab, and sacituzumab govitecan

What this could lead to

If successful, this combination could offer a new first-line treatment option for people with advanced triple-negative breast cancer that is PD-L1 positive.

What could go wrong

This trial was withdrawn before enrolling any participants, so no data on safety or effectiveness exist. The combination may cause significant side effects and may not work better than existing therapies.

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.

triple-negative breast carcinoma

As listed by the trial registrant

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