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SAT-423 Anti-thyroid Drug Response in Graves’ Disease: Predictors of Biochemically Persistent Disease

Abstract:

Introduction: Anti-thyroid Drugs (ATD) have become the most frequently used treatment for Graves’ disease (GD) in the United States. However, the response to this therapy is variable. Factors that predict biochemically responsive vs. biochemically persistent disease remain unknown. Identifying predictors of disease poorly responsive to ATD can help guide treatment decision making, follow up planning and prognosis. Methods: From a database of patients with GD treated with ATD and receiving care at an academic medical center between 2009–2019, we selected adults with incident GD treated with ≥14 days of ATD. Results: 172 patients (from a database of 730 patients with GD on ATD) were sampled for the purpose of this pilot and 97 of these met inclusion criteria. Patients had a median age of 50 (18–90); female, 70.1%; never smokers, 64.9%; median goiter size of 40 g (15 …