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Computed TomogRaphic Evaluation of Atherosclerotic DEtermiNants of Myocardial IsChEmia — CREDENCE  

Myocardial Ischemia Clinical Trial

Official title:
Computed TomogRaphic Evaluation of Atherosclerotic DEtermiNants of Myocardial IsChEmia (The CREDENCE Trial)

Clinical Trial Summary

The study seeks to determine the accuracy of using anatomic and physiologic information measurable by computed tomography features of stenosis, plaque, fractional flow reserve-CT and to compare this measure to stress testing for the detection of myocardial ischemia against the gold standard of cardiac catheterization with fractional flow reserve. The hypothesis of this proposal is that integrating anatomic plaque features with physiologic fractional flow reserve-CT will optimize identification of coronary lesions that are ischemia-causing by computed tomography .

Clinical Trial Description

The CREDENCE trial will be a prospective multicenter cross-sectional study of 618 individuals (n=309 [derivation cohort]; n=309 [validation cohort]) who will undergo stress test, computed tomography, cardiac catheterization and fractional flow reserve. For the purposes of the study, either stress test or computed tomography will have been performed for clinical purposes, with the other test being performed as part of trial procedure. Study analyses will focus on the diagnostic performance of the information derived by stress test versus computed tomography against an invasive gold standard of cardiac catheterization and fractional flow reserve for an endpoint of vessel territory-specific ischemia. In keeping with prior studies, vessel territories will be comprised of the left anterior descending artery (and diagonal branches), the left circumflex artery (and obtuse marginal branches) and the right coronary artery (and posterolateral branch and posterior descending artery).

To date, the relative performance of traditional stress imaging testing compared to the entirety of information proffered by CT has not been assessed compared to an unbiased gold standard. The study proposed herein will directly address this unmet need. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02173275
Study type Observational
Source Weill Medical College of Cornell University
Contact
Status Completed
Phase
Start date May 2014
Completion date January 18, 2018
View Details
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