Sponsor study identifier
observational
50
1 country
1
Study Start
February 5, 2017
Actual (reported)Primary Completion
February 28, 2019
Actual (reported)Study Completion
February 28, 2019
Actual (reported)The gold standard to induce coronary hyperemia for measurement of fractional flow reserve (FFR), coronary flow reserve (CFR) and index of microcirculatory resistance (IMR) is adenosine, but it exerts several side effects due to its unspecific action on adenosine receptors. The specific A2a-receptor agonist, regadenoson, has been shown to dilate coronary arteries and enables FFR measurements. The aim of the study was to evaluate whether simultaneous measurement of FFR, CFR and IMR is feasible, safe and effective within regadenoson-induced hyperemia.
Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.
February 28, 2019
Actual (reported)Click on a node to explore related trials.
Dates and qualifiers reported by the registry. Estimated dates do not confirm that a milestone has occurred.
February 5, 2017
Actual (reported)March 30, 2017
Actual (reported)April 5, 2017
Actual (reported)February 28, 2019
Actual (reported)February 28, 2019
Actual (reported)fractional flow reserve (FFR)
Description: the proximal aortic (Pa) and distal arterial pressure (Pd) are recorded and RadiAnalyzer Xpress™ control unit automatically calculates FFR as Pd/Pa
Baseline
coronary flow reserve
Baseline
index of microcirculatory resistance
Baseline
Patients with indication for FFR measurement due to a coronary artery stenosis of unclear hemodynamic relevance
Division of Cardiology, Pulmonary Disease and Vascular Medicine
Düsseldorf, 40225, Germany
Malte Kelm, MD
Division of Cardiology, Pulmonary Disease and Vascular Medicine
50 participants (actual enrollment reported by the registry).
First Submitted
March 30, 2017
First Posted
April 5, 2017
Study Start
February 5, 2017
Actual (reported)Contact the study team to confirm eligibility.
Primary Completion
February 28, 2019
Actual (reported)Study Completion
February 28, 2019
Actual (reported)Last Updated
March 26, 2019
Record last verified: 2019-03
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Source: ClinicalTrials.gov.
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