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Effects of the glucagon-like peptide-1 (GLP-1) analogues exenatide, exenatide extended-release, and of the dipeptidylpeptidase-4 (DPP-4) inhibitor sitagliptin on glucose metabolism in healthy cats


Padrutt, I; Lutz, T A; Reusch, C E; Zini, E (2015). Effects of the glucagon-like peptide-1 (GLP-1) analogues exenatide, exenatide extended-release, and of the dipeptidylpeptidase-4 (DPP-4) inhibitor sitagliptin on glucose metabolism in healthy cats. Research in Veterinary Science, 99:23-29.

Abstract

Incretin analogues and inhibitors of the breakdown of endogenous incretins are antidiabetic drugs that increase β-cell proliferation and glucose-stimulated insulin secretion in rodents and humans. Objectives were to test whether exenatide, exenatide extended-release, and sitagliptin can be safely used in cats, to identify the most effective drug, and to test the effects of prolonged exenatide extended-release administration. Three cats each were given exenatide (0.2-2 µg/kg, q12h, subcutaneously, 5 days), exenatide extended-release (40-400 µg/kg, subcutaneously, once), and sitagliptin (1-10 mg/kg, q24h, orally, 5 days). Before and after treatment, glucose, insulin and glucagon areas under the curve (AUC) were assessed by meal response tests (MRT). Exenatide increased insulin AUC by 224%, 258%, 331% and 93%, exenatide extended-release by 127%, 169%, 178% and 95%, and sitagliptin by 32%, 69%, 62%, and 43%, respectively. The tested drugs are safe to use in cats and enhance insulin secretion. Incretin-based therapy may be beneficial in cats with diabetes mellitus.

Abstract

Incretin analogues and inhibitors of the breakdown of endogenous incretins are antidiabetic drugs that increase β-cell proliferation and glucose-stimulated insulin secretion in rodents and humans. Objectives were to test whether exenatide, exenatide extended-release, and sitagliptin can be safely used in cats, to identify the most effective drug, and to test the effects of prolonged exenatide extended-release administration. Three cats each were given exenatide (0.2-2 µg/kg, q12h, subcutaneously, 5 days), exenatide extended-release (40-400 µg/kg, subcutaneously, once), and sitagliptin (1-10 mg/kg, q24h, orally, 5 days). Before and after treatment, glucose, insulin and glucagon areas under the curve (AUC) were assessed by meal response tests (MRT). Exenatide increased insulin AUC by 224%, 258%, 331% and 93%, exenatide extended-release by 127%, 169%, 178% and 95%, and sitagliptin by 32%, 69%, 62%, and 43%, respectively. The tested drugs are safe to use in cats and enhance insulin secretion. Incretin-based therapy may be beneficial in cats with diabetes mellitus.

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Item Type:Journal Article, refereed, original work
Communities & Collections:05 Vetsuisse Faculty > Institute of Veterinary Physiology
05 Vetsuisse Faculty > Veterinary Clinic > Department of Small Animals
Dewey Decimal Classification:570 Life sciences; biology
Language:English
Date:16 January 2015
Deposited On:26 Feb 2015 11:55
Last Modified:14 Feb 2018 08:57
Publisher:Elsevier
ISSN:0034-5288
OA Status:Green
Publisher DOI:https://doi.org/10.1016/j.rvsc.2014.12.001
PubMed ID:25648286

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