Abstract
Clinical trials have demonstrated the superior clinical efficacy of dual antiplatelet therapy with a thienopyridine (a P2Y(12) receptor blocker) and aspirin (COX-1 inhibitor) in patients undergoing stenting as well as patients with acute coronary syndromes. However, clopidogrel treatment is associated with a wide response variability and non-responsiveness in selected patients. The latter phenomenon is linked to the occurrence of recurrent ischaemic events including stent thrombosis in the recent studies. Prasugrel is a new thienopyridine derivative that produces more potent platelet inhibition and a rapid onset of action that is associated with irreversible P2Y(12) receptor blockade. The latter properties of prasugrel may provide a superior alternative to clopidogrel, with less response variability and a decreased prevalence of non-responsiveness.
MeSH terms
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Adenosine Diphosphate / antagonists & inhibitors
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Adenosine Diphosphate / pharmacology
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Animals
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Aspirin / administration & dosage
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Aspirin / therapeutic use
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Clinical Trials, Phase I as Topic
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Clinical Trials, Phase III as Topic
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Clopidogrel
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Collagen / antagonists & inhibitors
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Collagen / pharmacology
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Coronary Disease / drug therapy
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Drug Evaluation, Preclinical
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Drug Resistance
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Drug Synergism
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Drug Therapy, Combination
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Drugs, Investigational* / administration & dosage
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Drugs, Investigational* / adverse effects
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Drugs, Investigational* / pharmacokinetics
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Drugs, Investigational* / pharmacology
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Drugs, Investigational* / therapeutic use
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Humans
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Piperazines* / administration & dosage
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Piperazines* / adverse effects
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Piperazines* / pharmacokinetics
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Piperazines* / pharmacology
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Piperazines* / therapeutic use
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Platelet Activation / drug effects
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Platelet Aggregation / drug effects
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Platelet Aggregation Inhibitors* / administration & dosage
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Platelet Aggregation Inhibitors* / adverse effects
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Platelet Aggregation Inhibitors* / pharmacokinetics
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Platelet Aggregation Inhibitors* / pharmacology
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Platelet Aggregation Inhibitors* / therapeutic use
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Prasugrel Hydrochloride
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Prodrugs / pharmacokinetics
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Prodrugs / therapeutic use
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Purinergic P2 Receptor Antagonists*
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Pyridines / administration & dosage
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Pyridines / therapeutic use
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Rats
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Receptors, Purinergic P2Y12
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Thiophenes* / administration & dosage
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Thiophenes* / adverse effects
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Thiophenes* / pharmacokinetics
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Thiophenes* / pharmacology
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Thiophenes* / therapeutic use
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Ticlopidine / analogs & derivatives
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Ticlopidine / chemistry
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Ticlopidine / pharmacology
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Ticlopidine / therapeutic use
Substances
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Drugs, Investigational
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P2RY12 protein, human
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Piperazines
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Platelet Aggregation Inhibitors
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Prodrugs
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Purinergic P2 Receptor Antagonists
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Pyridines
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Receptors, Purinergic P2Y12
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Thiophenes
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thienopyridine
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Adenosine Diphosphate
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Collagen
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Clopidogrel
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Prasugrel Hydrochloride
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Ticlopidine
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Aspirin