Use of SGLT-2 Inhibitors in Patients With Type 1 Diabetes Mellitus

Introduction: Sodium-glucose cotransporter 2 (SGLT-2) inhibitors are the newest class of oral antihyperglycemic medications approved for the treatment of type 2 diabetes mellitus (DM2). Although they are not approved for use in type 1 diabetes mellitus (DM1), SGLT2 inhibitors may help DM1 patients achieve their HbA1c goals by decreasing their insulin requirements, without inducing hypoglycemic episodes and weight gain. Methods: We conducted a retrospective chart review of 26 patients with DM1 treated with off-label SGLT-2 inhibitors. The primary objective was change in HbA1c and weight. The secondary objective was assessing the effect on insulin requirements, blood pressure, and lipid profile. Results: Improvement in HbA1c level was seen in 20 of the 26 patients (77%) after initiation of SGLT-2 inhibitors. The average decrease in HbA1c was 0.32% ( P =.032), with changes seen as early as 1 month posttherapy and maintained with continued SGLT-2 inhibitor use. There was a trend toward weight loss that was not significant. No significant changes in blood pressure or lipid profiles were seen except for a slight increase in low-density lipoprotein ( P =.049). No patient developed euglycemic diabetic ketoacidosis. Three patients discontinued therapy due to uncontrolled genital yeast infections. Conclusion: SGLT-2 inhibitors can be a useful adjunctive therapy in patients with DM1 to improve glycemic control and weight. Although our study did not show any significant changes in the metabolic profile and insulin requirements in these patients, a larger sample size may yield different results.

Abstract licence: CC BY-NC

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