Cilostazol Stroke Prevention Study : A Placebo-controlled Double-blind Trial for Secondary Prevention of Cerebral Infarction.

Inclusion Criteria: 1. Prior cerebral infarction Onset at 1 to 6 months before randomization 2. CT or MRI detection of responsible site 3. Without serious complications (malignant tumor, liver cirrhosis, renal failure, or heart failure) Exclusion Criteria: 1. History of intracranial hemorrhage 2. Possibility of cardiogenic cerebral embolism in the past or future All patients with any of the following complications were excluded: mitral valve stenosis, prosthetic valve, endocarditis, myocardial infarction within 6 weeks after onset, ventricular aneurysm, intraventricular or intraatrial blood clots, mitral valve prolapsed (age under 45 years old, lacking other causes for cerebral embolism induction), atrial fibrillation, sick sinus syndrome, idiopathic cardiomyopathy 3. Severe cerebral deficits rendering the patient bed-ridden, totally dependent, or demented 4. Contraindications to the study drug Hemostatic disorders or systemic bleeding Pregnant or possibly pregnant women, or nursing mothers 5. Requirement for nonstudy antiplatelet drugs, anticoagulant drugs, or fibrinolytic drugs for another disease