ArticleThe Journal of international medical research2023
Long-term follow-up of methimazole-associated insulin autoimmune syndrome: a rare case report.
Article in The Journal of international medical research, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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5 citing papers in PubMed, 9 citations in OpenAlex.
- Diagnostic efficacy of fasting insulin-to-C-peptide ratio in exogenous insulin autoimmune syndrome.Frontiers in medicine · 2026Article
- Clinical Characteristics and Risk Factors of Exogenous Insulin Antibody Syndrome in Patients with Diabetes: A Retrospective Cross-Sectional Study.Diabetes, metabolic syndrome and obesity : targets and therapy · 2026Article
- Insulin Autoimmune Syndrome: A Chinese Expert Consensus Statement.Aging medicine (Milton (N.S.W)) · 2025Article
- Case Report: Exogenous insulin antibody syndrome complicated with chronic renal failure and long-term history of type 2 diabetes: report of two cases.Frontiers in endocrinology · 2025Article
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6 authors at 1 institution in 1 country.
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Abstract
Insulin autoimmune syndrome (IAS) is a rare cause of hypoglycemia and is characterized by the presence of insulin autoantibodies and fasting or late postprandial hypoglycemia. The number of reports on the association of long-term follow-up of IAS in China is limited. We herein report a case of drug-induced IAS in a 44-year-old Chinese woman. She had been taking methimazole for Graves' disease and had subsequently presented with recurrent hypoglycemic episodes. Laboratory assessments on admission revealed that her serum insulin level was significantly elevated (>1000 µIU/mL) and that she was positive for serum insulin autoantibody, leading to a diagnosis of IAS. Human leukocyte antigen DNA typing identified *04:06/*09:01:02, an immunogenetic determinant associated with IAS. After treatment with prednisone for 2 months, the hypoglycemic episodes disappeared, her serum insulin level gradually declined, and her insulin antibody levels became negative. Clinicians should be aware of the potential for methimazole to trigger autoimmune hypoglycemia in people with a genetic predisposition.
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