Lapatinib Active Not Recruiting Phase 1 Trials for Recurrent Thyroid Gland Carcinoma / Metastatic Malignant Neoplasm in the Thyroid Gland / BRAF V600K Mutation Present / Metastatic Thyroid Gland Carcinoma / BRAF V600E Mutation Present / Unresectable Thyroid Gland Carcinoma Treatment