Technical Innovation Protocol for MR & US Plaque Imaging: Reproducibility.

Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)

Status: Completed

Conditions: Atherosclerosis

Study type: Observational

Funder types: Other; Industry

Identifiers

NCT01196221

TIP-R

Details and patient eligibility

About

The aim of this study is to develop non-invasive MRI, and MRS approaches that will quantify the plaque composition and lipid content of plaques and will have the potential for repeated in vivo measurements. Simultaneously this study aims to develop US plaque imaging as a screening tool to select plaque phenotypes of interest for clinical trials (a large LRNC). For plaque composition imaging by MRI the researchers aim to increase scan resolution and decrease scan time. For quantifying plaque lipid content the researchers aim to develop an MRS protocol. Subsequently, the researchers intend to study the reproducibility of plaque composition and lipid content measurements by MRI, MRS and Ultrasound in subjects that have carotid artery plaques.

Enrollment: 30 patients

Sex: All

Volunteers: No Healthy Volunteers

Inclusion criteria

• Patients, with 30 to 70% carotid artery stenosis on ultrasound duplex, who will not go for endarterectomy.

Exclusion criteria

• Metal in the body, as a result of e.g. pacemaker or artificial cardiac valves; claustrophobia; surgery performed in the area of measurement (Carotid artery region); Cardiac arrhythmias.

Trial design

30 participants in 1 patient group

Patients with 30 to 70% carotid artery stenosis