Empaglifozin modifies the arterial stiffness in type-2 diabetic patients: a preliminary report.

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Abstract Background Sodium-glucose cotransporter-2 (SGLT2) inhibitors demonstrated beneficial effects on cardiovascular and renal events in patients with type 2 diabetes mellitus. The mechanisms underlying these effects are not fully elucidated. Aim of this study was to investigate whether empagliflozin is able to modify the arterial stiffness in type 2 diabetic patients. Methods Pulse wave velocity (PWV) and other parameters of arterial stiffness were assessed before and after adding empagliflozin to a traditional antidiabetic treatment in 16 consecutive T2DM outpatients folowed for 3 months. Arterial stiffness were evaluted using SphygmoCor ECEL measuring the pulse waveform of the arterial pulse moving from tha descending aorta to the femoral artery (PWV). Data obtained from the diabetic population has been compared to 16 T2DM outpatients not treated with SGLT2 inhibitors. Results In the two groups differences according gender distribution or duration of diabetes mellitus did not emerge. However the empagliflozin group was younger compared to controls (64.1±8.68 vs 74.45±8.13, P < 0.05). Empagliflozin treatment significantly decreased HbA1c after 12 weeks of treatment (7.9±0.78 vs 7.04±1.09%, P < 0.008.). After 12 weeks’ treatment, empagliflozin significantly improved PWV compared to controls not treated with SGLT2-i (ΔPWVV -0.68±1.1 vs 0.89±1,6 p <0.004, P = 0.0065 with age and HbA1c as covariates). Moreover body weight significantly decreased in the empagliflozin group (86.75±16.16 vs 81.71±16.5 kg, p =0.001) compared to controls (in whom remained unchanged) as long as BMI (30.48±5.4 versus 28.75±5.66 kg/m2, P < 0.002) compared to controls (in whom remained unchanged). Estimated glomerular filtration rate (eGFR) remained unchanged in the two groups during the study whereas urine Albumin to Creatinine ratio significantly improved using empagliflozin (17.8±46.8 vs 12.2±35.7 mg/mmol, P = 0.049). Conclusion In this ‘real clinical practice’ experience, the potential effect of empagliflozin treatment on arterial stiffness in T2DM patients was extensively investigated. Arterial stiffness was significantly decreased adding empaglifozin to the traditional treatment and this result has been obtained after 3-month. Significantly improvement in urine Albumin to Creatinine ratio might suggest an amelioration of endothelial function in those patients that could be involved in reducing arterial stiffness.

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