- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03408912
CMR or Angiography for FFR-guided Revascularisation (CRAFT-MI)
CMR or Angiography for FFR-guided Revascularisation in ST-elevation Myocardial Infarction
Around 50% of patients that present with ST Elevation Myocardial Infarction (STEMI) have residual disease in the non-culprit lesions. If the residual disease should be treated, what should guide intervention? Fractional Flow Reserve (FFR) has been proposed as a guide for intervention, however new developments in cardiovascular magnetic resonance (CMR) allows for non-invasive FFR measurements.
If FFR from CMR can predict physiological significant stenosis as good as FFR from invasive angiography, unnecessary invasive producers can be avoided in patients with STEMI.
Study Overview
Detailed Description
Early reperfusion of epicardial coronaries is essential for salvage of ischemic myocardium, reducing both morbidity and mortality in patients with ST elevation myocardial infarction (STEMI). Current European Society of Cardiology guidelines recommend percutaneous coronary intervention (PCI) of the infarct related artery (IRA) for patients presenting with STEMI, with residual disease initially being treated conservatively. Large meta-analyses of observational studies have shown that PCI of the IRA only results in a reduced mortality compared to full revascularization in patients with STEMI and simultaneous multivessel disease. However, recent small randomized controlled trials indicate that full revascularization reduces morbidity, but have been underpowered to show any reduction in mortality. Furthermore, physiological guidance of coronary intervention by fractional flow reserve (FFR) reduces mortality compared to angiography guided PCI in both stable angina and non-STEMI (NSTEMI). However, if performing full revascularization guided by FFR in patients with STEMI improves clinical outcome, compared to initial conservative approach is not known.
Assessment of myocardial perfusion in rest and during pharmacological stress is widely used for non-invasive diagnosis of myocardial ischemia, where cardiovascular magnetic resonance (CMR) has a high diagnostic accuracy. Newly developed first pass perfusion imaging with cardiovascular magnetic resonance (CMR) allows for quantification of myocardial perfusion, and CMR derived FFR. However, it is currently not known if FFR from CMR and invasive angiography correlate with each other. If FFR from CMR can predict physiological significant stenosis as good as FFR from invasive angiography, unnecessary invasive producers can be avoided in patients with STEMI.
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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Solna
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Stockholm, Solna, Sweden, 171 76
- Karolinska University Hospital
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Patients included in the active arm of FULL REVASC, that has not undergone invasive FFR, and give written informed consent.
Exclusion Criteria:
- Asthma/Chronic Obstructive Pulmonary Disease, systolic blood pressure under 90 mmHg, bradycardia (less than 45 beats/min), persistent second or third AtrioVentricular-block, Sick Sinus Syndrome, Long QT Syndrome, atrial fibrillation, severe aortic stenosis, severe heart failure (NHYA class III-IV), metallic implants, kidney failure (less than 30 ml/min/1.73 square meters body surface area), current treatment with the drugs Persantin, theophyllamin or Fevarin.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: DIAGNOSTIC
- Allocation: NA
- Interventional Model: SINGLE_GROUP
- Masking: NONE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
OTHER: CMR and angiography FFR
Patients will undergo both CMR and angiography to acquired FFR.
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FFR from CMR compared to invasive FFR
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
The agreement between CMR-derived FFR and FFR from angiography
Time Frame: Measurements will be collected within 1-2 days of each other.
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FFR will be measured with CMR on day one.
FFR will be measured with invasive angiography on the following day.
The FFR acquired with both methods will be compared with Pearson's correlation coefficient and Bland-Altman analysis.
The aim of the study is to validate the agreement between CMR-derived FFR with FFR from angiography as the independent reference standard.
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Measurements will be collected within 1-2 days of each other.
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Martin Ugander, MD, PhD, Karolinska Institutet
- Study Chair: Felix Böhm, MD, PhD, Karolinska Institutet
Study record dates
Study Major Dates
Study Start (ACTUAL)
Primary Completion (ANTICIPATED)
Study Completion (ANTICIPATED)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ACTUAL)
Study Record Updates
Last Update Posted (ACTUAL)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Other Study ID Numbers
- 2017/1821-31
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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