Internal Medicine
Online ISSN : 1349-7235
Print ISSN : 0918-2918
CASE REPORTS
Insulin Autoimmune Syndrome PossiblyCaused by Alpha Lipoic Acid
Yuichiro TakeuchiTakahide MiyamotoTomoko KakizawaSatoshi ShigematsuKiyoshi Hashizume
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JOURNALS OPEN ACCESS

2007 Volume 46 Issue 5 Pages 237-239

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Abstract

Insulin Autoimmune Syndrome (IAS) is a rare disease characterized by hypoglycemia and autoantibodies to insulin without prior insulin administration. Here, we report a case of IAS associated with alpha lipoic acid (ALA). The patient is a 55-year-old man. He began to complain of hypoglycemic symptoms after taking ALA. He lost consciousness in the late postprandial period and blood glucose was found to be 27 mg/dl. A high insulin level and high titers of insulin antibodies were detected. His HLA genotype contains DRB1* 0406. As ALA comes to be used widely, the incidence of IAS due to ALA might increase.

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© 2007 by The Japanese Society of Internal Medicine
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