Document Detail

Clinical Impact of Genetically Determined Platelet Reactivity.
MedLine Citation:
PMID:  23149816     Owner:  NLM     Status:  Publisher    
Dual antiplatelet therapy with aspirin and clopidogrel dramatically reduced the rate of major adverse cardiac events following percutaneous coronary intervention. Clopidogrel is a prodrug which requires a two-step hepatic biotransformation thanks to the cytochrome P450 (CYP450) enzyme system. Genetic polymorphism of CYP450 system (e.g., CYP2C19*2) responsible for altered clopidogrel metabolism is a major cause of high on-treatment platelet reactivity (HTPR), which translates into thrombotic events in stented patients. Studies demonstrated that HTPR could be overcome in poor metabolizers thanks to increased loading doses or maintenance doses of clopidogrel or with the use of more potent antiplatelet agents such as prasugrel. Other genetic polymorphisms have also been correlated with HTPR: ABCB1, ATP2B2, and TIAM2. Large-scale randomized trials with clinical endpoints remain necessary to determine the optimal antiplatelet therapy in patients carrying genetic polymorphism associated with HTPR and thrombotic events.
Marc Laine; Sébastien Arméro; Michaël Peyrol; Pascal Sbragia; Franck Thuny; Franck Paganelli; Laurent Bonello
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-11-13
Journal Detail:
Title:  Journal of cardiovascular translational research     Volume:  -     ISSN:  1937-5395     ISO Abbreviation:  J Cardiovasc Transl Res     Publication Date:  2012 Nov 
Date Detail:
Created Date:  2012-11-14     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101468585     Medline TA:  J Cardiovasc Transl Res     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Département de Cardiologie, Centre Hospitalo-Universitaire Nord, Chemin des Bourrely, Marseille, France,
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