Diagnosis and Treatment > Signs and Symptoms

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E Rapti Diabetes Center of 1st Department of Internal Medicine, AHEPA University Hospital, Thessaloniki, Greece

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S Karras Diabetes Center of 1st Department of Internal Medicine, AHEPA University Hospital, Thessaloniki, Greece

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M Grammatiki Diabetes Center of 1st Department of Internal Medicine, AHEPA University Hospital, Thessaloniki, Greece

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A Mousiolis Diabetes Center of 1st Department of Internal Medicine, AHEPA University Hospital, Thessaloniki, Greece

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X Tsekmekidou Diabetes Center of 1st Department of Internal Medicine, AHEPA University Hospital, Thessaloniki, Greece

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E Potolidis Diabetes Center of 1st Department of Internal Medicine, AHEPA University Hospital, Thessaloniki, Greece

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P Zebekakis Diabetes Center of 1st Department of Internal Medicine, AHEPA University Hospital, Thessaloniki, Greece

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M Daniilidis 1st Department of Internal Medicine, AHEPA University Hospital, Thessaloniki, Greece

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K Kotsa Diabetes Center of 1st Department of Internal Medicine, AHEPA University Hospital, Thessaloniki, Greece

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Summary

Latent autoimmune diabetes in adults (LADA) is a relatively new type of diabetes with a clinical phenotype of type 2 diabetes (T2D) and an immunological milieu characterized by high titers of islet autoantibodies, resembling the immunological profile of type 1 diabetes (T1D). Herein, we report a case of a young male, diagnosed with LADA based on both clinical presentation and positive anti-glutamic acid decarboxylase antibodies (GAD-abs), which were normalized after combined treatment with a dipeptidyl peptidase-4 inhibitor (DPP-4) (sitagliptin) and cholecalciferol.

Learning points

  • Anti-glutamic acid decarboxylase antibodies (GAD-abs) titers in young patients being previously diagnosed as type 2 diabetes (T2D) may help establish the diagnosis of latent autoimmune diabetes in adults (LADA).

  • Sitagliptin administration in patients with LADA might prolong the insulin-free period.

  • Vitamin D administration in patients with LADA might have a protective effect on the progression of the disease.

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