Coronary Artery Disease Clinical Trial
Official title:
ESCALATion of Medical Therapy Following Multimodality Plaque Evaluation in High-risk Chronic Coronary Syndromes
ESCALATE will provide a thorough investigation of how anti-inflammatory therapy, with low-dose colchicine, affects patients with stable coronary artery disease. Using traditional clinical risk factors and multimodality intracoronary imaging, the investigators will identify patients with the greatest clinical risk. Participants will undergo repeat multimodality intracoronary imaging assessment at 6 months to measure the impact once-daily low-dose colchicine therapy on the structure and function of coronary arteries. This study will provide valuable insights into how anti-inflammatory therapies, such as colchicine, may improve outcomes in patients with coronary artery disease.
1. Background and study aims Despite recent advances, coronary artery disease (CAD) remains the main cause of death worldwide. CAD occurs when the arteries bringing blood to the heart become narrowed by a build-up of fatty material within their walls. If this occurs gradually, it can cause chest discomfort i.e., angina. In a heart attack, the artery wall becomes inflamed and splits causing blood clot formation and an abrupt blockage of flow, resulting in severe pain and damaged heart muscle. Current treatments focus on reducing cholesterol, slowing the build-up of fatty material, and rapidly restoring blood flow during a heart attack. Chronic inflammation, acting in tandem with other risk factors, has been identified as playing a central role in CAD progression and its acute manifestations. Colchicine is a safe, well-tolerated, anti-inflammatory therapy used in the treatment of gout and other inflammatory conditions. Daily treatment with low-dose colchicine has proven effective in reducing rates of heart attack and death in large clinical trials, but use in routine practice remains low. A contributing factor to this reticence is uncertainty regarding the mechanism through which colchicine provides benefit. This study is designed to address this knowledge gap. 2. Who can participate? Patients aged 18 to 90 years old with coronary artery disease and high clinical risk 3. What does the study involve? Using traditional markers of clinical risk and state-of-the-art imaging from inside the coronary artery, the researchers will identify patients with CAD and the greatest clinical risk. Eligible patients, already established on statin therapy will be allocated to a six-month course of low-dose colchicine plus usual care, or usual care only. Researchers, participants, and usual clinicians will be aware of the allocation during the study. After 6 months, the researchers will assess the impact of colchicine on the appearance of individual coronary artery lesions, blood flow in the large and small blood vessels of the heart. This study will provide a detailed assessment of colchicine and its mechanism of action in CAD. ;
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