Drug interaction between clopidogrel and proton pump inhibitors

Saira Chand Khalique, Angela Cheng-Lai

Research output: Contribution to journalReview article

20 Scopus citations

Abstract

Dual antiplatelet therapy with clopidogrel and aspirin has been shown to reduce recurrent cardiac events in patients with acute coronary syndromes or those who have undergone coronary artery stent placement. Clopidogrel, a thienopyridine, is a prodrug that is transformed in vivo to an active metabolite by the cytochrome P450 enzyme system. Due to the increased risk of bleeding in patients on dual antiplatelet therapy, concomitant gastrointestinal ulcer prophylaxis with a proton pump inhibitor (PPI) is frequently prescribed. Data from recent studies show that PPIs, which are extensively metabolized by the cytochrome system, may decrease the antiplatelet activity of clopidogrel. This article reviews the metabolism of various PPIs and existing data regarding the drug-drug interaction between PPIs and clopidogrel.

Original languageEnglish (US)
Pages (from-to)198-200
Number of pages3
JournalCardiology in review
Volume17
Issue number4
DOIs
StatePublished - Jul 1 2009

Keywords

  • Adverse outcomes
  • Clopidogrel
  • Interaction
  • PPI
  • Plavix
  • Proton pump inhibitors

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

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