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18F Sodium Fluoride PET/CT in Acute Aortic Syndrome — FAASt  

Aortic Dissection Clinical Trial

Official title:
18F Sodium Fluoride PET/CT in Acute Aortic Syndrome

Clinical Trial Summary

The purpose of this study is to determine whether Sodium Fluoride imaging (using Positron Emission Tomography-Computed Tomography - PET-CT) is able to predict disease progression in acute aortic syndrome.

Clinical Trial Description

Acute Aortic Syndrome encompasses multiple aortopathies, including aortic dissection, intramural haematoma and penetrating aortic ulcers. Acute aortic syndrome has a three year mortality approaching 25%. To date, other than the initial aortic diameter, there are no accurate methods of establishing the risk of disease progression in patients with acute aortic syndrome. In vascular disease, microcalcification occurs in response to necrotic inflammation. Using computed tomography and positron emission tomography (PET-CT), early microcalcification can be identified using uptake of the radiotracer 18F-sodium fluoride. This can identify high risk-lesions in the aorta, coronary and carotid arteries, and appears to be indicative of necrotic and heavily inflamed tissue. In abdominal aortic aneurysms, 18F-sodium fluoride binding predicts aortic expansion and the risk of aneurysm rupture or requirement for surgical repair. The study investigators, therefore, propose to evaluate the ability of 18F-sodium fluoride to identify regions of necrotic inflammation in acute aortic syndrome to predict aortic expansion and disease progression. Control patients with a normal calibre aorta will be recruited from the National Abdominal Aortic Aneurysm Screening Programme and Vascular Out-Patient Clinics. Patients with acute aortic syndrome and chronic aortic disease will undergo clinical assessments and 18F Sodium Fluoride PET/CT scans at baseline and 12-months. Clinical follow-up will continue for up to 3 years from recruitment. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03647566
Study type Observational
Source University of Edinburgh
Contact
Status Completed
Phase
Start date October 1, 2018
Completion date February 1, 2021
View Details
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