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Repurposing Metformin for Vascular Disease.

Chris R Triggle1, Isra Marei1, Kevin Ye2

  • 1Department of Pharmacology & Medical Education, Weill Cornell Medicine in Qatar, PO Box 24144, Education City, Doha, Qatar.

Current Medicinal Chemistry
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This summary is machine-generated.

Metformin, a widely used type 2 diabetes drug, shows potential for treating other conditions like PCOS and cancer. Its benefits extend beyond glucose control, impacting vascular health and aging.

Keywords:
COVID-19MetforminSARS-CoV-2endotheliuminflammationobesitytype 2 diabetesvascular disease

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Area of Science:

  • Pharmacology and Therapeutics
  • Endocrinology
  • Cardiovascular Medicine

Background:

  • Metformin, a first-line anti-hyperglycemic agent for type 2 diabetes (T2D), is used by ~150 million people globally.
  • Historically, its benefits were attributed to hepatic effects like inhibiting gluconeogenesis and reducing insulin resistance.
  • Emerging evidence highlights direct endothelial protection and gut-mediated effects, including modulation of the glucagon-like peptide-1 (GLP-1) axis and gut microbiota.

Approach:

  • This review critically evaluates existing literature on metformin's therapeutic applications.
  • It focuses on the drug's established and potential roles in preventing and treating vascular diseases.
  • The analysis considers metformin's efficacy in diverse populations, including those without T2D.

Key Points:

  • Metformin's therapeutic targets extend beyond glucose metabolism to include vascular endothelium and the gut.
  • The drug influences the gut-brain axis, microbiota, and may offer cardiovascular protection.
  • Repurposing metformin for conditions like polycystic ovary syndrome (PCOS), cancer, neurodegenerative diseases, and COVID-19 is under investigation.

Conclusions:

  • Metformin's established anti-diabetic and cardiovascular benefits are increasingly understood through its multifaceted actions.
  • Further research is warranted to explore its potential in non-diabetic individuals and its role in vascular thromboinflammation.
  • Metformin holds promise for therapeutic repurposing in a broader range of clinical settings, including anti-aging and various chronic diseases.