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Title: Changes in thyroid-stimulating antibody activity in Graves' disease treated with antithyroid drug and its relationship to relapse: a prospective study. Author: Teng CS, Yeung RT. Journal: J Clin Endocrinol Metab; 1980 Jan; 50(1):144-7. PubMed ID: 6892512. Abstract: Thyroid-stimulating antibodies (TSAb) were found in 51 patients (83.6%) with untreated Graves' disease. The mean TSAb index reached the normal level after 6 months of antithyroid drug therapy. In 9 patients (14.8%), TSAb remained persistently positive during and after antithyroid drug therapy, and relapse occurred in all. In 42 patients (68.8%), TSAb indices gradually returned to the normal range after drug treatment was started; in 38% of these, remission was maintained after treatment was stopped, in another 40.5%, relapse occurred when they were TSAb-positive, and the remaining 21.5% relapsed despite return of TSAb indices to the normal range. A positive TSAb index at the end of drug treatment was a useful indicator in predicting subsequent relapse because, with 1 exception, all patients who were still TSAb positive at drug withdrawal relapsed subsequently.[Abstract] [Full Text] [Related] [New Search]