© 2005 by the American Diabetes Association, Inc.
Comparison of Clinical and Laboratory Characteristics Between Adult-Onset Type 1 Diabetes and Latent Autoimmune Diabetes in AdultsFrom the Endocrinology Service, Santa Casa de Belo Horizonte, Minas Gerais, Brazil Address correspondence and reprint requests to Pedro Weslley Souza Rosário, Centro de Estudos e Pesquisa da Clinica de Endocrinologia e Metabologia (CEPCEM), Av. Francisco Sales, 1111, 5 andar Ala D, Santa Efigênia, CEP 30150-221, Belo Horizonte, MG, Brasil. E-mail: pedrorosario@globo.com
Abbreviations: GADA, GAD antibody ICA, islet cell antibody LADA, latent autoimmune diabetes in adults TPOA, anti-TPO antibody
Although they do not initially require insulin, diabetic adults presenting autoantibodies against ß-cells (anti-GAD antibody [GADA] and antiislet cell antibody [ICA]) more rapidly develop the need for insulinization, a fact characterizing latent autoimmune diabetes in adults (LADA) (1,2). Differences between LADA and type 2 diabetes (36) and between children and adults with type 1 diabetes (7) have been reported. In contrast, few studies are available comparing type 1 diabetes diagnosed during adulthood with LADA, with the results not being consistent (4,5,8). Therefore, the aim of the present study was to investigate clinical and laboratory parameters in patients with LADA compared with patients with adult-onset type 1 diabetes.
Among the diabetic adults (age at diagnosis >35 years) seen at our service and investigated with GADA upon diagnosis (no routine ICA analysis was performed) (2), 54 patients with LADA (individuals not requiring insulin for at least 1 year after diagnosis and positive for GADA) (1,2
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