KGA-2727 is a potent, selective, high-affinity inhibitor of sodium glucose cotransporter 1 (SGLT1) with Ki of 97.4 nM and 43.5 nM for human SGLT1 and rat SGLT1, respectively. The selectivity ratios (Ki for SGLT2/Ki for SGLT1) of KGA-2727 are 140 (human) and 390 (rat). KGA-2727 exhibits antidiabetic efficacy in rodent models.
KGA-2727 inhibits SGLT1 potently and highly selectively in an in vitro assay using cells transiently expressing recombinant SGLTs.[1].
In a small intestine closed loop absorption test with normal rats, KGA-2727 inhibits the absorption of glucose but not that of fructose. In the oral glucose tolerance test with streptozotocininduced diabetic rats, KGA-2727 attenuats the elevation of plasma glucose after glucose loading, indicating that KGA-2727 improves postprandial hyperglycemia. In Zucker diabetic fatty (ZDF) rats, chronic treatments with KGA-2727 reduces the levels of plasma glucose and glycated hemoglobin. Furthermore, KGA-2727 preserves glucose-stimulated insulin secretion and reduces urinary glucose excretion with improved morphological changes of pancreatic islets and renal distal tubules in ZDF rats. In addition, the chronic treatment with KGA-2727 increases the level of glucagon-like peptide-1 in the portal vein.[1].
[1] Shibazaki T, et al. J Pharmacol Exp Ther. 2012 Aug;342(2):288-96.