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Genetic determined low response to thienopyridines is associated with higher systemic inflammation in smokers

Abstract : Aim: To investigate whether the interactions of CYP2C19*2 and CYP2C19*17 with smoking are associated with the levels of P2Y12 receptor inhibition and CRP, in on-thienopyridine post-stenting patients. Methods & results: At 1-month follow-up, the interactions of smoking and CYP2C19 polymorphisms on the vasodilator-stimulated phosphoprotein – platelet reactivity index (VASP PRI), and CRP were explored in three metabolizing groups (1128 patients) as follow: poor metabolizers (*2 carriers/*17 noncarriers); intermediate metabolizers (*2 carriers/*17 carriers or *2 noncarriers/*17 noncarriers); and ultrarapidmetabolizers (*2 allele noncarriers/*17 carriers). The interactions of metabolizing status and smoking was significant for CRP (p = 0.001) but not for VASP PRI (p = 0.734). Conclusion: Interaction between CYP2C19 polymorphisms and smoking modifies on-treatment CRP level of post-stenting, on-thienopyridine patients. This effect seems to be independent to the level of P2Y12 receptor inhibition.
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https://hal.univ-lorraine.fr/hal-01708476
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Submitted on : Tuesday, February 13, 2018 - 4:35:19 PM
Last modification on : Friday, February 5, 2021 - 3:36:47 AM

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Payman Shahabi, Thomas Cuisset, Maria Stathopoulou, Pierre-Emmanuel Morange, Charlotte Grosdidier, et al.. Genetic determined low response to thienopyridines is associated with higher systemic inflammation in smokers. Pharmacogenomics, Future Medicine, 2015, 16 (5), pp.459 - 469. ⟨10.2217/pgs.15.17⟩. ⟨hal-01708476⟩

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