Phase II Study of the Optimal Scheme of Administration of Pazopanib in Thyroid Carcinoma

Daily oral administration of pazopanib 800mg (28 days cycles) from randomization until progression (according to RECIST 1.1) under treatment, after an initial period of 6 cycles (28 days) of daily administration of pazopanib 800mg from inclusion until randomization

"Temporary discontinuation of pazopanib at randomization, after an initial period of 6 cycles (28 days) of daily administration of pazopanib 800mg from inclusion until randomization. Pazopanib will be reintroduced for 6 cycles of 28 days, with daily administration of pazopanib 800mg, as soon as the patient relapses (progressive disease according to RECIST 1.1). At the end of this additional 6 cycles, study drug will be stopped a second time.~This sequential scheme will be maintained until the patient experiences on-treatment progression"