Coronary Artery Disease Clinical Trial
Official title:
A Prospective, Multicenter, Blinded, Randomized, Noninferiority Clinical Trial of Coronary Angiography Fractional Flow Reserve (caFFR) Versus Fractional Flow Reserve (FFR) to Guide Percutaneous Coronary Intervention（Flash FFR Ⅱ ）
The overall purpose of Flash FFR Ⅱ is to investigate whether coronary angiography-derived fractional flow reserve (caFFR), compared with fractional flow reserve (FFR) measured by a pressure wire, has non-inferior clinical effect and cost benefit in guiding the percutaneous coronary intervention (PCI) for patients with moderate coronary artery stenosis in terms of long-term clinical prognosis.
Flash FFR Ⅱ is a prospective, multicenter, blinded, randomized, non-inferiority trial. Eligible patients with moderate coronary artery stenosis will be included in the study and randomly assigned to either caFFR-guided group or FFR-guided group. Participant caFFR or FFR will be used to guide percutaneous coronary intervention (PCI) strategy. The rate of major cardiovascular adverse events (MACE) and the cost data will be collected during the long-term follow-up (2 years). MACE is defined as a composite of all-cause death, myocardial infarction (MI), unplanned revascularization. Clinical outcomes and cost-effectiveness will be compared between the two groups. A subgroup analysis is pre-set and included in the protocol, including age, sex, body mass index, diabetes mellitus, smoking status, mean aortic pressure (resting state), acute coronary syndrome, left ventricular ejection fraction, lesion site, lesion stenosis severity, target vessel reference diameter, small vessel lesion, blood flow velocity, PCI mode, and so on. The trial is equipped with a core laboratory. Some interesting sub-studies will be carried out, such as a comparison of laboratory and operator analysis results. If the trial results show non-inferiority, it should be noted that caFFR can bring new benefits to both operators and patients as a new index of physiological assessment of coronary artery stenosis severity with the advantages of lower cost, less risk, faster time, and less use of resources. ;
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