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DIAMOND - Dual Antiplatelet Therapy to Reduce Myocardial Injury — DIAMOND  

Coronary Artery Disease Clinical Trial

Official title:
Dual Antiplatelet Therapy to Inhibit Coronary Atherosclerosis and Myocardial Injury in Patients With Necrotic High-Risk Coronary Plaque Disease

Clinical Trial Summary

Heart attacks are most commonly caused by rupture of fatty deposits (plaques) within the wall of heart blood vessels. It appears that this process can also frequently occur without causing any symptoms and these events likely explain the development of narrowing within the heart arteries which can subsequently produce symptoms of angina (chest pain).

Previous research has shown a specialised scanner known as a PET (positron emission tomography) scan can identify these recently ruptured plaques in patients without symptoms of a heart attack and these patients have changes on a blood test (troponin) which suggest that they are at higher risk of having a heart attack in the future. This study aims to identify these patients using the PET scan and then see if the markers of increased heart attack risk can be reduced by the use of a blood thinning medication (ticagrelor) which is already a well recognised treatment for people who have suffered a recent heart attack.

Clinical Trial Description

The investigators aim to recruit patients with multivessel, clinically stable coronary artery disease. Patients will undergo baseline investigations including CT-PET imaging using 18F-Sodium Fluoride (18F-F) tracer to detect potentially unstable coronary plaques. The groups will be separated into those with and without 18F-F uptake. Each of these groups will be randomised to receive oral ticagrelor or a matched placebo in addition to their usual medications. Patients will remain on aspirin but will not be eligible for the trial if taking additional antiplatelet/anticoagulant treatments. The treatment will be continued for 1 year. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02110303
Study type Interventional
Source University of Edinburgh
Contact
Status Completed
Phase Phase 2/Phase 3
Start date March 2015
Completion date April 2018
View Details
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