Effect of Prasugrel on Platelets After One Week in Patients Already Taking Clopidogrel After a Cardiac Event

Exclusion Criteria

• •Left main coronary artery stent or left anterior descending (LAD) bifurcation stent.
• •Have any form of coronary revascularization (percutaneous coronary intervention \[PCI\] or coronary artery bypass grafting \[CABG\]) planned to occur during the study (from signing consent through the final visit).
• •Have undergone CABG or PCI within 30 days of entry into the study.
• •Receiving or will receive oral anticoagulation or other antiplatelet therapy (other than aspirin and clopidogrel) that cannot be safely discontinued for the duration of the study.
• •Receiving daily treatment with nonsteroidal anti-inflammatory drugs (NSAIDs) that cannot be discontinued or are anticipated to require daily treatment with NSAIDs during the study.
• •Have any of the following: history of ischemic or hemorrhagic stroke intracranial neoplasm, arteriovenous malformation, or aneurysm history of transient ischemic attack (TIA), have a body weight less than 60 kilograms (kg).