Experimental combo for Hard-to-Treat cancers shows early promise but study halted

NCT ID NCT05580770

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This early-phase trial tested a combination of two oral drugs, mirdametinib and brimarafenib, in 23 adults with advanced solid tumors that had stopped responding to standard treatments. The goal was to check safety, find the best dose, and see if the combo could shrink tumors. The study was terminated early, so results are limited, but the data may help guide future research.

What this could mean

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

Active substance

mirdametinib and brimarafenib (BGB-3245) combination

What this could lead to

If successful, this combination could offer a new treatment option for people with advanced solid tumors that have not responded to other therapies.

What could go wrong

This was a very early (Phase 1/2a) study with only 23 participants, and it was terminated early. The combination may cause side effects and may not shrink tumors effectively.

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.

cutaneous melanoma neoplasm non-small cell lung carcinoma

As listed by the trial registrant

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

Contacts and locations

Locations

  • Calvary Mater Newcastle

    Waratah, 2298, Australia

  • Hospital of the University of Pennsylvania

    Philadelphia, Pennsylvania, 19104, United States

  • Massachusetts General Hospital

    Boston, Massachusetts, 02114, United States

  • Peter MacCallum Cancer Centre

    Melbourne, Victoria, 3000, Australia

  • Texas Oncology-Baylor Charles A. Sammons Cancer Center

    Dallas, Texas, 75246, United States

  • UC San Diego Moores Cancer Center

    La Jolla, California, 92093, United States

  • University Hospitals Cleveland Medical Center

    Cleveland, Ohio, 44106, United States

  • Yale-New Haven Hospital-Yale Cancer Center

    New Haven, Connecticut, 06520, United States