Evaluation of Oxidative Stress: Comparison Between Type 1 Diabetes Mellitus and Latent Autoimmune Diabetes in Adults

After obtaining informed consent, the investigators will recruit 75 patients with T1DM and 75 with LADA with an age ≥ 18 years and ≤ 75 years, of both sexes. All patients will be selected among outpatients attending the Center of Diabetes and Metabolic Diseases of First Department of Internal Medicine, IRCCS Policlinico San Matteo Foundation. The study design will include one single visit where patients' medical history and blood samples will be collected. For incident cases, a follow-up visit at 3 months from the start of treatment will be scheduled to assess whether a decrease in HbA1c corresponds to a decrease in the biomarkers. For a comprehensive oxidative balance evaluation, the d-ROMs test will be carried out to evaluate the pro-oxidant status linked to one of the parameters related to the antioxidant potential (BAP test, OXY-Adsorbent test, -SHp test and anti-ROMs test). Parameters will be evaluated using Free Radical Elective Evaluator (FREE) Duo by Diacron International s.r.l. (Grosseto, ITALY), an integrated analytical system that permits any type of chemical-clinical analysis based on the principle of photometry. The investigators will also evaluate high sensitivity C-reactive protein (Hs-CRP), superoxide dismutase (SOD), glutathione peroxidase (GSH-Px), malondialdehyde (MDA). To evaluate if there is an association between a worse stage of the diseases and some oxidative stress markers, the investigators will also evaluate glycated hemoglobin (HbA1c) fasting plasm…

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