IGF1 and medullary thyroid gland carcinoma: The results of ongoing clinical trial employing both everolimus and the somatostatin receptor pan-agonist Pasireotide (SOM230 alone or in combination with RAD001 in patients with medullary thyroid cancer; NCT01625520) may help in clarifying this issue, also on the basis of the potent inhibitory effects of Pasireotide on IGF-I secretion.