Incretin therapy and heart failure

Jun-Ichi Oyama1, Koichi Node

  • 1Departments of Advanced Cardiology, Saga University Faculty of Medicine.

Insights

Incretin-based therapies, like glucagon-like peptide-1 (GLP-1) drugs, show promise for type 2 diabetes (T2DM) patients with cardiovascular disease. While experimental data suggest heart benefits, clinical evidence is still limited.

Area of Science:

  • Endocrinology and Metabolism
  • Cardiovascular Medicine
  • Pharmacology

Background:

  • Type 2 diabetes mellitus (T2DM) is a major risk factor for cardiovascular disease (CVD), contributing significantly to morbidity and mortality.
  • Incretin-based therapies, targeting glucagon-like peptide-1 (GLP-1) and related pathways, offer improved glycemic control and reduced hypoglycemia risk compared to traditional T2DM treatments.
  • Preclinical studies indicate potential cardioprotective effects of GLP-1 and its analogs against atherosclerosis and cardiac dysfunction.

Purpose of the Study:

  • To review the current evidence on the impact of GLP-1-related therapies on cardiac function in patients with cardiovascular disease.
  • To explore the potential mechanisms underlying the cardioprotective effects of incretin-based treatments.
  • To bridge the gap between experimental findings ('bench') and clinical application ('bed') for GLP-1 therapy in CVD patients.

Main Methods:

  • Comprehensive literature review of experimental (in vitro and in vivo) and clinical studies.
  • Analysis of data focusing on the effects of GLP-1 and related drugs on cardiovascular outcomes and cardiac function.
  • Discussion of proposed molecular and cellular mechanisms of action.

Main Results:

  • Extensive experimental data support cardioprotective roles for GLP-1-related therapies in models of atherosclerosis and cardiac dysfunction.
  • Clinical evidence demonstrating the efficacy of these therapies specifically in patients with established cardiovascular disease remains limited.
  • GLP-1 receptor agonists and related agents have shown potential in improving glycemic control and offering cardiovascular benefits.

Conclusions:

  • GLP-1-related therapies present a promising avenue for managing T2DM patients with comorbid cardiovascular conditions.
  • Further robust clinical trials are essential to confirm the cardioprotective efficacy and establish the role of incretin therapy in this high-risk population.
  • Understanding the underlying mechanisms is crucial for optimizing therapeutic strategies and patient selection.

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