Carotid Revascularization Endarterectomy Versus Stenting Trial

2014-08-27 03:58:13 | BioPortfolio


The purpose of the Carotid Revascularization Endarterectomy versus Stenting Trial (CREST) is to compare the relatively new procedure of stent-assisted carotid angioplasty (CAS) to the traditional and accepted surgical approach of carotid endarterectomy (CEA) for the treatment of carotid artery stenosis to prevent recurrent strokes in those patients who have had a TIA (transient ischemic attack) or a mild stroke within the past 6 months (symptomatic) and in those patients who have not had any symptoms within the past 6 months (asymptomatic).


The primary aim of the Carotid Revascularization Endarterectomy versus Stenting Trial (CREST) is to contrast the relative effectiveness of carotid artery stenting (CAS) versus carotid endarterectomy (CEA) in preventing stroke, myocardial infarction, and death. Stents are medical devices approved and commonly used for treatment of heart disease. The stent that will be used in this trial is the RX ACCULINK(TM) Carotid Stent System, an elastic-like metal scaffold that is expanded inside a carotid artery to hold the vessel open.

The RX ACCUNET(TM) Embolic Protection System (an umbrella-like device that expands above the narrowed portion of the carotid artery) will be used in conjunction with the RX ACCULINK stent. The RX ACCUNET system is designed to capture embolic material that could break off from the narrowed area in the carotid artery while still allowing blood to flow through the vessel during the procedure. Embolic material could block blood flow to the arteries beyond the narrowing and be harmful to the brain. The RX ACCUNET System is closed and removed after the stent is placed.

CEA involves a neck incision and physical removal of the plaque from the inside of the artery. CAS involves insertion of a catheter or tube into an artery in the groin and then threading the catheter through the arteries of the body to the location of the plaque within the carotid artery in the neck. The stent is then placed to cover the plaque and hold the artery open. Participants will be randomly assigned to undergo either CAS or CEA, and all patients will receive best medical management, which includes treatment with aspirin, treatment of high blood pressure, and treatment of other stroke risk factors. Participants will be followed for up to ten years.

Study Design

Allocation: Randomized, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Prevention




Carotid Endarterectomy (CEA), Carotid Artery Stenting (CAS)


University of Alabama at Birmingham
United States


Active, not recruiting


University of Medicine and Dentistry New Jersey

Results (where available)

View Results


Published on BioPortfolio: 2014-08-27T03:58:13-0400

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Medical and Biotech [MESH] Definitions

Pathological conditions involving the CAROTID ARTERIES, including the common, internal, and external carotid arteries. ATHEROSCLEROSIS and TRAUMA are relatively frequent causes of carotid artery pathology.

The excision of the thickened, atheromatous tunica intima of a carotid artery.

Damages to the CAROTID ARTERIES caused either by blunt force or penetrating trauma, such as CRANIOCEREBRAL TRAUMA; THORACIC INJURIES; and NECK INJURIES. Damaged carotid arteries can lead to CAROTID ARTERY THROMBOSIS; CAROTID-CAVERNOUS SINUS FISTULA; pseudoaneurysm formation; and INTERNAL CAROTID ARTERY DISSECTION. (From Am J Forensic Med Pathol 1997, 18:251; J Trauma 1994, 37:473)

The two principal arteries supplying the structures of the head and neck. They ascend in the neck, one on each side, and at the level of the upper border of the thyroid cartilage, each divides into two branches, the external (CAROTID ARTERY, EXTERNAL) and internal (CAROTID ARTERY, INTERNAL) carotid arteries.

The splitting of the vessel wall in one or both (left and right) internal carotid arteries (CAROTID ARTERY, INTERNAL). Interstitial hemorrhage into the media of the vessel wall can lead to occlusion of the internal carotid artery and aneurysm formation.

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