A novel <scp>GIP</scp> analogue, <scp>ZP</scp>4165, enhances glucagon‐like peptide‐1‐induced body weight loss and improves glycaemic control in rodents

Diabetes, Obesity and Metabolism - Tập 20 Số 1 - Trang 60-68 - 2018
Pia K. Nørregaard1, Maria A. Deryabina1, Pernille Tofteng Shelton1, Jacob U. Fog1, Jens R. Daugaard1, Per‐Olof Eriksson1, L. F. Larsen1, Lene Jessen1
1Zealand Pharma A/S, Glostrup, Denmark

Tóm tắt

AimTo investigate the effects of the novel glucose‐dependent insulinotropic polypeptide (GIP) analogue, ZP4165, on body weight and glycaemic control in rodents, and to investigate if ZP4165 modulates the anti‐obesity and anti‐hyperglycaemic effects of a glucagon‐like peptide‐1 (GLP‐1) agonist (liraglutide).MethodsThe acute insulinotropic effect of ZP4165 was investigated in rats during an oral glucose tolerance test. The long‐term effects of ZP4165 on body weight and glycaemic control, either alone or in combination with liraglutide, were assessed in diet‐induced obese mice and diabetic db/db mice.Results ZP4165 showed insulinotropic action in rats. The GIP analogue did not alter the body weight of obese mice but enhanced GLP‐1‐induced weight loss. In diabetic mice, 4 weeks’ dosing with ZP4165 reduced glycated haemoglobin levels vs vehicle by an extent similar to the GLP‐1 agonist.ConclusionsZP4165 potentiated the anti‐obesity effect of a GLP‐1 agonist in obese mice and improved glycaemic control in diabetic mice. These studies support further investigation of dual‐incretin therapy as a more effective treatment option than mono GLP‐1 medication for type 2 diabetes mellitus and obesity.

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