Secondary cancers, Thyroid cancer
Results
Phase 3
This trial looked at whether a drug called selumetinib could help thyroid cancer cells absorb more radioactive iodine. And whether this helps control the cancer for longer.
The trial was for people with certain types of thyroid cancer that had grown outside the thyroid or spread to another part of the body.
It was supported by Cancer Research UK. People could join between 2017 and 2019. The team published the results in 2023.
Recruitment start: 28 March 2017
Recruitment end: 15 August 2019
Please note: In order to join a trial you will need to discuss it with your doctor, unless otherwise specified.
Professor Jon Wadsley
Cancer Research UK
NIHR Clinical Research Network: Cancer
Sheffield Teaching Hospitals NHS Foundation Trust
University of Leeds
Butterfly Thyroid Cancer Trust
AstraZeneca
Sanofi-Genzyme
This is Cancer Research UK trial number CRUK/14/041.
Last reviewed: 27 Mar 2026
CRUK internal database number: 12867
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