Clopidogrel

Category: pharmacological

Aliases: Plavix

Pharmacological Mechanism

Thienopyridine antiplatelet prodrug — CYP2C19-mediated activation to thiol metabolite that irreversibly blocks platelet P2Y12 ADP receptor. CYP2C19 poor metabolizers + PPI co-administration reduce activation, lowering antiplatelet effect (clinically meaningful with omeprazole/esomeprazole; less with pantoprazole).

Half-Life (t½)

PO: 6h

Dosing Guidelines

Target Organ Systems