Efficacy of ticagrelor compared to clopidogrel in improving endothelial function in patients with coronary artery

Muayad Saud Albadrani1, Amal Mohamed Elhusein2, Yasir Abdullah Alotaibi2

  • 1College of Medicine, Taibah University, Madena.

Insights

Ticagrelor shows superior endothelial function improvement compared to clopidogrel in coronary artery disease patients. This includes better progenitor cell levels and reduced apoptosis, indicating enhanced vascular health.

Area of Science:

  • Cardiovascular Medicine
  • Pharmacology
  • Vascular Biology

Background:

  • Ticagrelor and clopidogrel are P2Y12 receptor inhibitors used as antiplatelet agents.
  • Previous research has explored their comparative effects on endothelial function.

Purpose of the Study:

  • To systematically review and compare the efficacy of ticagrelor versus clopidogrel in enhancing endothelial function.
  • Focus on patients diagnosed with coronary artery disease (CAD).

Main Methods:

  • Systematic literature search of Scopus, PubMed, Web of Science, and Cochrane Library in August 2021.
  • Inclusion of randomized controlled trials comparing ticagrelor and clopidogrel in CAD patients for endothelial function improvement.

Main Results:

  • Seven trials (n=511) were analyzed.
  • Ticagrelor significantly increased progenitor cells (CD34+KDR+, CD34+133+) and nitric oxide levels.
  • Ticagrelor demonstrated a lower rate of endothelial cell apoptosis and improved levels of reactive oxygen species and soluble P-selectin.
  • Flow-mediated dilation results were inconsistent across studies.

Conclusions:

  • Ticagrelor appears to offer additional benefits for endothelial function compared to clopidogrel.
  • Findings suggest ticagrelor may be more effective in improving vascular health in CAD patients.
Abstract

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