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.

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.

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for THYROID GLAND PAPILLARY CARCINOMA are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

Conditions

The condition(s) this trial relates to.

differentiated thyroid carcinoma Thyroid Cancer, Papillary thyroid gland follicular carcinoma thyroid gland oncocytic adenoma thyroid gland papillary carcinoma thyroid Hurthle cell carcinoma

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

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

    Contact