Well differentiated thyroid cancer (WDTC) is referred to non-aggressive tumors with a relatively favorable course. However, in 10% of cases, distant metastases are recorded in this pathology, of them 5–15% of cases develop refractoriness to I131 therapy. Resistance to radioactive iodine therapy in patients with WDTC significantly worsens the overall and disease-free survival. In 2014, the targeted drug Sorafenib was registered in our country, as the first drug of choice for the treatment of

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... ents with metastatic radio-refractory WDTC. The article presents his own experience in the therapy of radiorefractory thyroid cancer with a multikinase inhibitor – Sorafenib. This drug is effective for the treatment of this cohort of patients and also helps to maintain a satisfactory quality of life. Therapy with a multikinase inhibitor statistically significantly increases the time to progression and the median time without progression. In this way, patients have been monitored for a process that would not have been possible to achieve without the use of a targeted drug with multikinase inhibition.