Effects of glucagon‐like peptide‐1 receptor agonists on secretions of insulin and glucagon and gastric emptying in Japanese individuals with type 2 diabetes: A prospective, observational study

May 22, 2021Journal of diabetes investigation

Glucagon-like peptide-1 drugs and their effects on insulin, glucagon, and stomach emptying in Japanese people with type 2 diabetes

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Abstract

Eighteen subjects with type 2 diabetes showed significant reductions in HbA1c after 12 weeks of treatment with glucagon-like peptide-1 receptor agonists (GLP-1RAs).

  • Lixisenatide and liraglutide significantly reduced body weight, whereas dulaglutide did not.
  • Postprandial glucose elevation was improved by all three GLP-1RAs.
  • Postprandial insulin levels were suppressed by lixisenatide but enhanced by liraglutide.
  • Lixisenatide suppressed postprandial glucagon levels, while liraglutide and dulaglutide had limited effects.
  • Gastric emptying was significantly delayed by lixisenatide, with liraglutide and dulaglutide showing limited effects.
  • GIP secretion was suppressed by both lixisenatide and liraglutide, while apolipoprotein B48 secretion was suppressed by all GLP-1RAs.

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Key numbers

12 weeks
HbA1c Reduction
All GLP-1RAs improved HbA1c levels after 12 weeks.
2 of 3
Body Weight Reduction
Lixisenatide and liraglutide significantly reduced body weight, while dulaglutide did not.
18
Participants
Eighteen Japanese individuals with type 2 diabetes participated in the study.

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