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To test pharmacodynamic response to clopidogrel 150mg once daily during 7 days in healthy subjects carriers of a mutated allele (*2) associated with CYP2C19 deficiency and non responders to the usual regimen of 75 mg once daily
Thirty individuals genotyped for specific variants of 2C19 cytochrome and P2Y12 platelet ADP receptor will receive during one week a daily dose of 75 mg of clopidogrel. Depending on their pharmacodynamic response to this dose of clopidogrel, subjects will be affiliated to two groups, “good responders” and “bad responders”. After a wash-out period, “bad responders” will receive a double dose of clopidogrel, while the “good responders” will receive 75 mg of clopidogrel, associated with a CYP2C19 inhibitor. Such study will allow to evaluate both the impact of raising daily dose of clopidogrel in patients with defected variants of 2C19 and potential interactions of clopidogrel with other drugs.
Allocation: Non-Randomized, Control: Active Control, Endpoint Classification: Pharmacokinetics/Dynamics Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment
Hôpital Européen Georges Pompidou
Assistance Publique - Hôpitaux de Paris
Published on BioPortfolio: 2014-08-27T03:41:01-0400
Primary objective: - Assess the effects of clopidogrel (300 mg loading dose followed by 4 days 75 mg/day) on Adenosine diphosphate (ADP)-induced platelet aggregation when given co...
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