Current Issues of Pharmacy and Medical Sciences

Flozins, inhibitors of type 2 renal sodium-glucose co-transporter – not only antihyperglycemic drugs

Curr Issues Pharm Med Sci., Vol. 28, No. 3, Pages 155-158

Grzegorz Mizerski, Pawel Kicinski, Andrzej Jaroszynski

Department of Family Medicine, Medical University of Lublin, Staszica 11, 20-081 Lublin, Poland


DOI: 10.1515/cipms-2015-0063

Abstract

The kidneys play a crucial role in the regulation of the carbohydrate metabolism. In normal physiological conditions, the glucose that filters through the renal glomeruli is subsequently nearly totally reabsorbed in the proximal renal tubules. Two transporters are engaged in this process: sodium-glucose co-transporter type 1 (SGLT1), and sodium-glucose co-transporter type type 2 (SGLT2) – this being located in the luminal membrane of the renal tubular epithelial cells. It was found that the administration of dapagliflozin, a selective SGLT2 inhibitor, in patients with type 2 diabetes, is associated with the reduction of HbA1c concentration by 0.45-1.11%. Additional benefits from the treatment with dapagliflozin are the reduction of arterial blood pressure and a permanent reduction of body weight. This outcome is related to the effect of osmotic diuresis and to the considerable loss of the glucose load by way of urine excretion. Dapagliflozin may be successfully applied in type 2 diabetes monotherapy, as well as in combined therapy (including insulin), where it is equally effective as other oral anti-diabetic drugs. Of note: serious adverse effects of dapagliflozin administration are rarely observed. What is more, episodes of severe hypoglycaemia related with the treatment occur only sporadically, most often in the course of diabetes polytherapy. The most frequent effects of the SGLT2 inhibitors are inseparably associated with the mechanism of their action (the glucuretic effect), and cover urogenital infections with a mild clinical course. At present, clinical trials are being continued of the administration of several subsequent drugs from this group, the most advanced of these being the use of canagliflozin and empagliflozin.

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Keywords

type 2 diabetes mellitus, pharmacotherapy, flozins.

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