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Personalizing antiplatelet therapy with clopidogrel

D Trenk1, O Zolk, M F Fromm

  • 1Universitäts-Herzzentrum Freiburg-Bad Krozingen, Klinik für Kardiologie und Angiologie II, Bad Krozingen, Germany. dietmar.trenk@universitaets-herzzentrum.de

Clinical Pharmacology and Therapeutics
|September 6, 2012
PubMed

Insights

Dual antiplatelet therapy with aspirin and clopidogrel is standard after coronary intervention. High on-clopidogrel platelet reactivity increases ischemic event risk, prompting strategies for personalized antiplatelet therapy.

Area of Science:

  • Cardiology
  • Pharmacology
  • Genetics

Background:

  • Dual antiplatelet therapy (DAPT) with aspirin and clopidogrel is standard for preventing ischemic events post-percutaneous coronary intervention (PCI).
  • Significant interindividual variability exists in patient response to clopidogrel, a key antiplatelet medication.
  • Elevated on-clopidogrel platelet reactivity is linked to a higher risk of ischemic complications.

Purpose of the Study:

  • To review factors influencing clopidogrel response variability.
  • To discuss strategies for optimizing antiplatelet therapy effectiveness.
  • To improve clinical outcomes in patients undergoing PCI and those with acute coronary syndromes (ACSs).

Main Methods:

  • Literature review of clinical studies on clopidogrel therapy.
  • Analysis of factors contributing to variable antiplatelet response.
  • Discussion of platelet function testing and genotyping approaches.

Main Results:

  • Identified clinical, demographic, and genetic factors affecting clopidogrel response.
  • Demonstrated correlation between high on-clopidogrel platelet reactivity and increased ischemic risk.
  • Highlighted potential for personalized medicine in antiplatelet therapy.

Conclusions:

  • Tailoring antiplatelet therapy based on individual response can mitigate ischemic events.
  • Platelet function testing and genotyping offer promising strategies for optimizing clopidogrel efficacy.
  • Personalized antiplatelet strategies may improve clinical outcomes in high-risk cardiovascular patients.

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