TITLE

The role of genetic factors in clopidogrel antiplatelet therapy

AUTHOR(S)
Cieślewicz, Artur Robert; Kaźmierczak, Ewa; Jabłecka, Anna
PUB. DATE
April 2012
SOURCE
Advances in Interventional Cardiology;2012, Vol. 8 Issue 2, p126
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Thienopyridine derivative antiplatelet agents play an important role in the treatment of coronary artery disease. Clopidogrel is a drug blocking action of the platelet ADP receptor (P2Y12). It is applied in the form of a prodrug that requires metabolic activation by cytochrome P450 enzymes. The standard antiplatelet therapy in patients with acute coronary syndrome is based on simultaneous administration of clopidogrel and aspirin. Numerous scientific reports indicate that a diverse response to clopidogrel therapy is observed in as many as 25% of patients with acute coronary syndrome. This variation may be caused by genetic factors. Polymorphisms in CYP2C19 (one of the cytochrome P450 enzymes) and ABCB1 (gene coding P-glycoprotein which takes part in absorption of clopidogrel) are considered the most frequent genetic causes of resistance to clopidogrel therapy. Knowledge of these genotypes can be helpful in finding the patients vulnerable to less effective clopidogrel therapy and establishing an effective dose of the drug.
ACCESSION #
82541968

 

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