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Clinical Trial Summary

Coronary Artery Disease (CAD) is the top killer nowadays. Pressure-wire-based Fractional Flow Reserve (FFR) is the gold standard for measuring ischemia in coronary arteries. CFD-based RuiXin-FFR, which is noninvasive, is developed recently. But its accuracy is not verified. This is a multi-center and prospective study to evaluate the sensitivity, specificity, and accuracy of CFD-based RuiXin-FFR compared with wire-based FFR.


Clinical Trial Description

The participants are entered with suspended CAD and angiography ischemia between 30%-90% from 6 hospitals in China. Pressure-wire-based FFR is conducted in the standard protocol by each hospital. FFR>0.8 is chosen as the threshold to indicate non-ischemia. CFD-based RuiXin-FFR is performed by Raysight Medical (Shenzhen, China). CT images are acquired in a standard protocol by each hospital. Images with poor quality are excluded in this trial. Based on these images, RuiXin-FFR reconstructs the 3D model of coronary trees and obtains RuiXin-FFR values by conducting CFD simulations in a blinded fashion. RuiXin-FFR>0.8 is chosen as the threshold to indicate non-ischemia as well. By comparing the clinical diagnosis outcome of pressure-wire-based FFR and CFD-based RuiXin-FFR, the sensitivity and specificity of the RuiXin-FFR are obtained, which is the primary end point of this trial. The secondary end point includes the measurement of accuracy, NPV, PPV and ROC of the RuiXin-FFR. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT04731285
Study type Observational
Source Beijing Anzhen Hospital
Contact
Status Completed
Phase
Start date March 13, 2019
Completion date August 31, 2020

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