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Published on: April 23, 2018
Incretin mimetics: a novel therapeutic option for patients with type 2 diabetes - a review
Katrine B Hansen1, Tina Vilsbøll, Filip K Knop
1Department of Clinical Physiology, Glostrup Hospital, University of Copenhagen, Denmark.
Abstract:
Type 2 diabetes mellitus is a metabolic disease associated with low quality of life and early death. The goal in diabetes treatment is to prevent these outcomes by tight glycemic control and minimizing vascular risk factors. So far, even intensified combination regimen with the traditional antidiabetes agents have failed to obtain these goals. Incretin mimetics are a new class of antidiabetes drugs which involve modulation of the incretin system. They bind to and activate glucagon-like peptide-1 (GLP-1) receptors on pancreatic beta-cells following which insulin secretion and synthesis are initiated. Since the compounds have no insulinotropic activity at lower glucose concentrations the risk of hypoglycemia - a well-known shortcoming of existing antidiabetes treatments - is low. Additionally, incretin mimetics have been shown to be associated with beneficial effects on cardiovascular risk factors such as weight loss, decrease in blood pressure and changes in lipid profile. Current clinical data on the two available incretin mimetics, exenatide and liraglutide, are evaluated in this review, focusing on pharmacology, efficacy, safety and tolerability. The review is built on a systematic PubMed and Medline search for publications with the key words GLP-1 receptor agonist, exenatide, liraglutide and type 2 diabetes mellitus up to January 2009.
Insights
New incretin mimetics offer improved type 2 diabetes treatment by activating glucagon-like peptide-1 (GLP-1) receptors, enhancing insulin secretion with low hypoglycemia risk. These agents also improve cardiovascular risk factors like weight and blood pressure.
Area of Science:
- Endocrinology
- Pharmacology
- Metabolic Diseases
Background:
- Type 2 diabetes mellitus (T2DM) significantly reduces quality of life and life expectancy.
- Traditional antidiabetes agents often fail to achieve optimal glycemic control and manage vascular risk factors.
- The incretin system plays a crucial role in glucose homeostasis.
Purpose of the Study:
- To review current clinical data on exenatide and liraglutide, two incretin mimetics.
- To evaluate the pharmacology, efficacy, safety, and tolerability of these agents.
- To assess their potential in managing type 2 diabetes mellitus.
Main Methods:
- Systematic literature search of PubMed and Medline databases.
- Inclusion of publications focusing on GLP-1 receptor agonists, exenatide, liraglutide, and T2DM.
- Data analysis up to January 2009.
Main Results:
- Incretin mimetics activate GLP-1 receptors, stimulating insulin secretion and synthesis.
- These agents demonstrate a low risk of hypoglycemia due to glucose-dependent insulin release.
- Exenatide and liraglutide show positive effects on cardiovascular risk factors, including weight loss and blood pressure reduction.
Conclusions:
- Incretin mimetics represent a promising new class of antidiabetes drugs.
- Exenatide and liraglutide offer therapeutic benefits for type 2 diabetes management.
- Further evaluation of these agents is warranted for long-term outcomes and cardiovascular benefits.
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