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Clopidogrel in secondary ischemic stroke prevention.
Robert Belvís1, Javier Pagonabarraga, Amparo Santamaría
1Department of Neurology, USP Dexeus University Institute, Barcelona, Spain. 32353rbn@comb.es
Recent Patents on Cardiovascular Drug Discovery
|June 10, 2008
Summary
Clopidogrel is an antiplatelet drug effective for secondary prevention of heart attack and stroke. Combining clopidogrel with aspirin offers enhanced protection for specific high-risk patient groups.
Area of Science:
- Cardiology
- Neurology
- Vascular Medicine
Background:
- Clopidogrel was introduced in 1996 following the CAPRIE study for secondary prevention of cardiovascular events.
- It demonstrated comparable efficacy and safety to aspirin (ASA) as an antiplatelet agent.
- Recent evidence suggests dual antiplatelet therapy (clopidogrel plus ASA) provides superior protection in select patient populations.
Purpose of the Study:
- To review the evidence on clopidogrel's efficacy in secondary prevention of ischemic stroke.
- To evaluate the benefits of combined clopidogrel and ASA therapy.
Main Methods:
- Review of published studies and clinical trial data.
- Analysis of patient subgroups benefiting from dual antiplatelet therapy.
Main Results:
- Clopidogrel is effective for secondary prevention of acute myocardial infarct (AMI), ischemic stroke (IS), and peripheral artery disease (PAD).
- Dual therapy with clopidogrel and ASA shows improved outcomes in patients with a history of cardiovascular events, diabetes, on statins, or with significant carotid stenosis.
Conclusions:
- Clopidogrel is a valuable option for secondary prevention of ischemic events.
- Dual antiplatelet therapy with clopidogrel and ASA offers enhanced protection for high-risk individuals, warranting further investigation and tailored clinical application.
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