Multi-contrast Versus Multi-sequence Carotid MRI

Status Recruiting

Clinical Trial Summary

The objective of this study is to validate 2 multi-contrast sequences, namely the Multi-contrast ATherosclerosis Characterization (MATCH) and Bright-blood and black-blOOd phase SensiTive (BOOST) inversion recovery sequence for the quantification of atherosclerotic plaque components with conventional multi-sequence MRI and histology.

Clinical Trial Description

Rationale: Rupture of a vulnerable atherosclerotic plaque is the most important cause of stroke and myocardial infarction. Magnetic Resonance Imaging (MRI) with its high soft tissue contrast is well suited for atherosclerotic plaque imaging to identify high-risk plaques. High soft tissue contrast enables the visualisation of different plaque components based on which the plaque can be classified as stable or vulnerable. To identify the various plaque components, in a conventional MRI examination multiple MRI sequences are acquired, which can take approximately 30-40 minutes. This can be uncomfortable for the patient and it is impractical in daily clinical practice. As an alternative, multi-contrast sequences have recently been developed which acquire multiple contrast weightings simultaneously, significantly reducing the scan time (< 6 minutes). Apart from a reduction in scan time, because these contrast weightings are acquired simultaneously, they are inherently co-registered which is not the case with conventional sequences. Objective: The objective of this study is to validate 2 multi-contrast sequences, namely the Multi-contrast ATherosclerosis Characterization (MATCH) and Bright-blood and black-blOOd phase SensiTive (BOOST) inversion recovery sequence for the quantification of atherosclerotic plaque components with conventional multi-sequence MRI and histology. Study design: cross-sectional validation study Study population: 40 patients with a carotid artery plaque ≥2 mm based on ultrasound or Computed Tomography Angiography. Intervention (if applicable): not applicable Main study parameters/endpoints: the presence and volumetric measures of plaque components (fibrous tissue, lipid-rich necrotic core, intraplaque hemorrhage and calcifications) and volumetric measures of the vessel wall and lumen as assessed with multi-contrast MRI will be compared to those as assessed by conventional multisequence MRI and, if available, histology of the surgically removed specimen in patients that are scheduled for carotid endarterectomy. ;

Study Design

Related Conditions & MeSH terms

Atherosclerosis

Clinical Trial Details

NCT number	NCT04569006
Study type	Observational
Source	Maastricht University Medical Center
Contact
Status	Recruiting
Phase
Start date	April 8, 2021
Completion date	April 1, 2025

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.