This is a pilot study (n=35 patients in total in two arms) testing the hypothesis that the inhibition of MEK can restore iodine incorporation in BRAF wild type (n=25 patients) and a combined inhibition of BRAF and MEK can restore iodine incorporation in BRAFV600E mutant (n=10 patients), radioiodine-refractory (RAIR) thyroid cancer.
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...• Confirmation in a certified laboratory of the mutation status of BRAF gene (primary tumor, recurrent tumor, or metastasis) .• Patients for whom a systemic treatment with sorafenib or lenvatinib or a chemotherapy is not considered and/or who refused to take either of these drugs within the next 6 months. ...
Results of randomized phase II trial of dabrafenib versus dabrafenib plus trametinib in BRAF-mutated papillary thyroid carcinoma.
Excerpt:
Single agent dabrafenib, as well as combination of dabrafenib/trametinib are well tolerated therapies that result in similar high objective response rates with durable responses in pts with progressive BRAF-mutated PTC.