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Interaction between clopidogrel and proton-pump inhibitors and management strategies in patients with cardiovascular diseases

Authors Gurbel P, Tantry US, Kereiakes DJ

Published 15 November 2010 Volume 2010:2 Pages 233—240

DOI https://doi.org/10.2147/DHPS.S7297

Review by Single-blind

Peer reviewer comments 3


Paul A Gurbel1, Udaya S Tantry1, Dean J Kereiakes2
1Sinai Center for Thrombosis Research, Sinai Hospital of Baltimore, Baltimore, MD, USA; 2The Christ Hospital Heart and Vascular Center/The Lindner Research Center at The Christ Hospital, Cincinnati, OH, USA

Abstract: Dual antiplatelet therapy (DAPT) with clopidogrel and aspirin has been successful in reducing ischemic events in a wide range of patients with cardiovascular diseases. However, the anti-ischemic effects of DAPT may also be associated with gastrointestinal (GI) complications including ulceration and bleeding particularly in ‘high risk’ and elderly patients. Current guidelines recommend the use of proton-pump inhibitors (PPIs) to reduce the risk of GI bleeding in patients treated with DAPT. However, pharmacodynamic studies suggest an effect of PPIs on clopidogrel metabolism with a resultant reduction in platelet inhibitory effects. Similarly, several observational studies have demonstrated reduced clopidogrel benefit in patients who coadministered PPIs. Although recent US Food and Drug Administration and European Medicines Agency statements discourage PPI (particularly omeprazole) and clopidogrel coadministration, the 2009 AHA/ACC/SCAI PCI guidelines do not support a change in current practice in the absence of adequately powered prospective randomized clinical trial data. The data regarding pharmacologic and clinical interactions between PPI and clopidogrel therapies are herein examined and treatment strategies are provided.

Keywords: cardiovascular disease, gastrointestinal, proton-pump inhibitor, antiplatelet therapy

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