Study Status: Not yet recruiting
Recruit Status: Not yet recruiting
Study Type: Interventional
Official Title: " Endarterectomy Combined With Optimal Medical Therapy Versus Optimal Medical Therapy Alone in Patients With Asymptomatic Severe Atherosclerotic Carotid Artery Stenosis
Brief Summary: The purpose of this study is to determine whether carotid surgery combined with optimal medical therapy improves long-term survival free of ipsilateral stroke in patients with asymptomatic carotid stenosis at higher-than-average risk of ipsilateral stroke when compared with optimal medical therapy alone.