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DOI: 10.1177/1074248406296862 Evolving Perspectives on Clopidogrel in the Treatment of Ischemic StrokeDepartment of Neurology and Center for Stroke Research, University of Illinois College of Medicine at Chicago, pgorelic{at}uic.edu
Bethesda Hospital, Boynton Beach, Florida
Department of Biomedical Science, Center of Excellence, Florida Atlantic University, Boca Raton, Department of Medicine and Department of Epidemiology and Public Health, University of Miami Miller School of Medicine, Miami, Florida Antiplatelet therapy is indicated for the treatment of ischemic stroke or transient ischemic attack (TIA). Aspirin reduces subsequent occlusive vascular events, including recurrent stroke, by about 25%. In such patients, clopidogrel has been evaluated in an effort to further reduce risk. In the Management of Atherothrombosis with Clopidogrel in High-risk Patients trial, the combination of clopidogrel plus aspirin was compared with clopidogrel alone, and the Clopidogrel for High Atherothrombotic Risk and Ischemic Stabilization, Management, and Avoidance trial tested the addition of clopidogrel to aspirin. Combination therapy with aspirin plus clopidogrel provided no significant incremental benefit compared with aspirin or clopidogrel alone. In addition, combination therapy increased the risk of serious bleeding. On the basis of the current totality of evidence for long-term treatment of survivors of ischemic stroke or TIA, clopidogrel is an effective alternative for patients who are intolerant to aspirin.
Key Words: antiplatelet therapy aspirin CHARISMA clopidogrel ischemic stroke MATCH
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