Cited by 173Thyroid Disorders and TreatmentsOphthalmology and Eye DisordersThyroid and Parathyroid Surgery

Predictors of Autoimmune Hyperthyroidism Relapse in Children after Discontinuation of Antithyroid Drug Treatment

Kaguelidou, Florentia, Alberti, Corinne, Castanet, Mireille, Guitteny, Marie-Aline, Czernichow, Paul, Léger, Juliane·2008·The Journal of Clinical Endocrinology & Metabolism

Abstract

CONTEXT: There is debate about how Graves' disease (GD) should be treated in children. OBJECTIVE: The aim of this study was to identify predictors of relapse after antithyroid drug (ATD) treatment in children with GD. STUDY DESIGN AND SETTING: We conducted a prospective, multicenter cohort study of children (n = 154) with GD treated with carbimazole for an intended duration of 24 +/- 3 months. After the end of treatment, patients were followed up for at least 2 yr. The primary outcome was hyperthyroidism relapse. Cox's regression analysis was used and a prognostic score was constructed. RESULTS: The overall estimated relapse rate for hyperthyroidism was 59% (95% confidence interval 52-67%) at 1 yr and 68% (95% confidence interval 60-76%) at 2 yr after the end of treatment. Multivariate survival analysis showed that the risk of relapse was higher for patients of non-Caucasian origin [hazard ratio (HR) = 2.54, P < 0.001], with high serum thyroid-stimulating hormone receptor antibodies (HR = 1.21 by 10 U, P = 0.03) and free T(4) (HR = 1.18 by 10 pmol/liter, P = 0.001) levels at diagnosis. Conversely, relapse risk decreased with increasing age at onset (HR = 0.74 per 5 yr, P = 0.03) and duration of first course of ATD (HR = 0.57 per 12 months, P = 0.005). A prognostic score was constructed, allowing the identification of three different risk groups, with 2-yr relapse rates of 46, 77, and 98%. CONCLUSIONS: A longer initial duration of euthyroid state with ATD seems to be the only variable related to the risk of hyperthyroidism relapse in children that can be manipulated. Ethnic origin, age, and severity of the disease at diagnosis may guide long-term disease management decisions.

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Crossref · 10.1210/jc.2008-0842

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Authors
Kaguelidou, F., Alberti, C., Castanet, M., Guitteny, M.-A., Czernichow, P., & Léger, J.
Affiliations
Inserm (FR)
Corresponding author
Léger, Juliane
Venue
The Journal of Clinical Endocrinology & Metabolism
Published
2008-10
Volume
93
Issue
10
Pages
3817-3826
ISSN
  • 0021-972X (ISSN-L)
  • 1945-7197
OpenAlex
W2046379714
Cited by
173
References
45
Citations by year
2026: 7 · 2025: 3 · 2024: 7 · 2023: 7 · 2022: 12 · 2021: 12 · 2020: 9 · 2019: 12 · 2018: 14 · 2017: 10 · 2016: 5 · 2015: 12 · 2014: 14 · 2013: 10 · 2012: 8
FWCI
7.48
Type
journal article
Language
en
Open access
closed
Locations
  • The Journal of Clinical Endocrinology & Metabolism (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Thyroid Disorders and Treatments
  • Health Sciences › Medicine › Pathology and Forensic Medicine › Ophthalmology and Eye Disorders
  • Health Sciences › Medicine › Surgery › Thyroid and Parathyroid Surgery
Keywords
Graves' disease, autoimmune hyperthyroidism, relapse, children, antithyroid drugs, carbimazole, prognostic factors, TSH receptor antibodies, free thyroxine, ethnicity, age of onset, prognostic score
MeSH terms
Adolescent, Algorithms, Autoimmune Diseases, Carbimazole, Child, Female, Follow-Up Studies, Graves Disease, Humans, Hyperthyroidism, Male, Prognosis, Recurrence, Risk Factors, Antithyroid Agents, Withholding Treatment

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