- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05940285
Dynamic 99mTc-Tetrofosmin CZT-SPECT Myocardial Perfusion Imaging in Comparison With Fractional Flow Reserve in Patients After ST-elevation Myocardial Infarction (Dyna-MI)
November 2, 2023 updated by: Nantes University Hospital
Diagnostic Performances Assessment of Dynamic 99mTc- Tetrofosmin CZT-SPECT Myocardial Perfusion Imaging in Comparison With Invasive Intra-coronary Fractional Flow Reserve Measurement in Patients With Significant Residual Coronary Artery Stenosis After ST-elevation Myocardial Infarction : Dyna-MI Pilot Study.
Dynamic 99mTc-Tetrofosmin CZT-SPECT myocardial perfusion imaging (MPI) is an advanced functional imaging technique giving important myocardial flow quantification added data in comparison with conventional MPI, especially in coronary multi vessel disease.
A large-scale validation of diagnostic performances of myocardial flow reserve (MFR) estimated with Dynamic 99mTc-Tetrofosmin CZT-SPECT MPI would allow a non-invasive approach instead of invasive intra-coronary fractional flow reserve (FFR) measurement.
The aim of this prospective study is to assess diagnostic performances of MFR calculated with dynamic 99mTc-Tetrofosmin CZT-SPECT MPI in comparison with invasive intra-coronary FFR measurement in patients with significant residual coronary arteries stenosis after ST-elevation myocardial infarction.
Study Overview
Status
Recruiting
Conditions
Intervention / Treatment
Study Type
Interventional
Enrollment (Estimated)
60
Phase
- Not Applicable
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Contact
- Name: JAMET Bastien
- Phone Number: +33 (0)240165521
- Email: Bastien.JAMET@chu-nantes.fr
Study Locations
-
-
-
Nantes, France, 44093
- Recruiting
- Nantes University Hospital
-
Contact:
- Bastien JAMET, Dr
- Phone Number: +33 0240165521
-
Principal Investigator:
- Robin LE RUZ, dr
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-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
- Adult
- Older Adult
Accepts Healthy Volunteers
No
Description
Inclusion Criteria:
- Adult patient.
- Multi vessel coronary arteries disease (at least one non-culprit coronary stenosis >= 50%) diagnosis during primary percutaneous coronary intervention < 12h after ST-elevation myocardial infarction.
- Written consent.
- Social security affiliation
Exclusion Criteria:
- Non adult patient.
- Adult patient under tutelage.
- Reproductive age women.
- Medical history of myocardial infarction or coronary artery bypass surgery.
- Cardiogenic shock.
- Cardiomyopathy.
- Regadenoson/adenosine/FFR contraindication.
- 99mTc-Tetrofosmin hypersensibility.
- Small non-culprit coronary arteries.
- Participation to another interventional study.
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Diagnostic
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Single arm study
Patients included in the study will undergo subsequently at 1-month after STEMI (ST-elevation Myocardial Infartion) Dynamic 99mTc-Tetrofosmin CZT-SPECT followed by FFR and IMR assessment
|
Patients included in the study will undergo subsequently at 1-month after STEMI Dynamic 99mTc-Tetrofosmin CZT-SPECT followed by FFR and IMR assessment
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Sensitivity, specificity, predictive positive value, negative predictive value, accuracy of MFR in comparison with FFR
Time Frame: within one month after ST-elevation myocardial infarction
|
To determine MFR diagnostic performances in comparison with FFR
|
within one month after ST-elevation myocardial infarction
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
best MFR cut-off value
Time Frame: within one month after ST-elevation myocardial infarction
|
To determine the best MFR cut-off value correlated with FFR value < 0.8
|
within one month after ST-elevation myocardial infarction
|
MFR value correlated with IMR
Time Frame: within one month after ST-elevation myocardial infarction
|
analysis of discrepancies between MFR value correlated with IMR (if low MFR value and normal FFR value)
|
within one month after ST-elevation myocardial infarction
|
Sensitivity, specificity, predictive positive value, negative predictive value, accuracy of MFR in comparison with conventional static MPI
Time Frame: within one month after ST-elevation myocardial infarction
|
To determine MFR diagnostic performances in comparison with conventional static MPI
|
within one month after ST-elevation myocardial infarction
|
Sensitivity, specificity, predictive positive value, negative predictive value, accuracy of QFR in comparison with FFR value
Time Frame: within one month after ST-elevation myocardial infarction
|
QFR value at the index procedure in comparison with FFR value
|
within one month after ST-elevation myocardial infarction
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Sponsor
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
October 20, 2023
Primary Completion (Estimated)
November 20, 2025
Study Completion (Estimated)
October 20, 2026
Study Registration Dates
First Submitted
July 3, 2023
First Submitted That Met QC Criteria
July 3, 2023
First Posted (Actual)
July 11, 2023
Study Record Updates
Last Update Posted (Actual)
November 7, 2023
Last Update Submitted That Met QC Criteria
November 2, 2023
Last Verified
November 1, 2023
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- RC22_0698
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
No
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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