Drug cocktail may help radioactive iodine work better in tough thyroid cancers

NCT ID NCT06440850

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This phase 2 trial tests whether two targeted drugs, vemurafenib and cobimetinib, can make thyroid cancer cells more responsive to radioactive iodine therapy. The study enrolls 21 adults with high-risk, BRAF-mutated thyroid cancer who have not yet received radioactive iodine. Participants take the drugs before their first radioactive iodine treatment to see if it improves cancer control.

What this could mean

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

Active substance
vemurafenib and cobimetinib
What this could lead to
If successful, this approach could make radioactive iodine therapy more effective for high-risk thyroid cancer patients with a BRAF mutation, potentially reducing cancer recurrence.
What could go wrong
This is a small, early-phase trial with only 21 participants, so results may not apply to everyone. The drugs can cause side effects like skin issues, fatigue, and liver problems.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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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

  • City of Hope Medical Center

    RECRUITING

    Duarte, California, 91010, United States

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