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Heiman.pharm.vascev9
Clopidogrel
| Question | Answer |
|---|---|
| Mechanism | Inhibits the binding of adenosine diphosphate to the receptor on the platelets preventing the activation of the glycoprotein IIb/IIIa complex This complex promotes platelet aggregation Inhibition is irreversible |
| Ticlopidine (Ticlid) | Mechanism the same as clopidogrel Not used very much any more due to the possibility of life-threatening agranulocytosis |
| Kinetics | About 50% bioavailable Hepatic metabolism Renal clearance |
| Adverse Effects | Bleeding TTP – rare Nausea Diarrhea Rash Fatigue Palpitations Chest pain |
| Cautions | Liver disease Other anticoagulant / antiplatelet drugs |