The Committee for Medicinal products for Human Use (CHMP) decided that Thyrogen’ s benefits are greater than its risks for use in post-thyroidectomy patients maintained on hormone suppression therapy (THST) for the detection of thyroid remnants and well-differentiated thyroid cancer (with serum thyroglobulin testing with or without radioiodine imaging) and for the ablation of thyroid remnant tissue in combination with radioactive iodine (131I).