- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04852731
STretch and Myocardial Characterization in Arrythmogenic Mitral Valve Prolapse-2 (STAMP-2)
Dynamic Evaluation of Myocardial Fibrosis and Structural Determinants of Ventricular Arrhythmia in Mitral Valve Prolapse (STAMP-2 : STretch and Myocardial Characterization in Arrythmogenic Mitral Valve Prolapse-2)
Mitral valve prolapse (MVP) is a frequent affection of the mitral valve with a prevalence of 2-3% in the general population. This valvular disease is generally considered as benign, but may at term evolve toward mitral valve regurgitation of various severity and/or arrhythmia.
Mitral valve prolapse is routinely diagnosed using transthoracic echocardiography. Subsequent examinations (24-hour external loop recording, exercise electrocardiogram, cardiac Magnetic Resonance Imaging) and a close follow-up can be proposed to the patient depending on its condition.
More recently, detection of myocardial fibrosis and a mitral ring disjunction among patients with MVP were associated with the occurrence of severe ventricular arrhythmia.
The investigators hypothesize that ventricular remodeling over time is mediated by the progression of mitral insufficiency severity from myocardial fibrosis secondary to MVP and possibly promoted by other mitral valve abnormalities. This remodeling, characterized by circulating biomarkers and imaging (MRI and echocardiography), could allow the identification of patients with a higher risk of severe ventricular arrhythmia.
The main objective of this study is to identify prognostic factors for unfavorable evolution (ventricular remodeling or a rhythm disorder event) at 3 years from initial assessments in MVP patients.
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
-
Vandœuvre-lès-Nancy, France, 54511
- Recruiting
- Nancy University Hospital
-
Contact:
- Jean-Marc SELLAL, MD
- Phone Number: +33383153256
- Email: jm.sellal@chru-nancy.fr
-
Contact:
- Olivier HUTTIN, MD
- Phone Number: +33383157355
- Email: o.huttin@chru-nancy.fr
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Patient over 18 years old,
- Patient with mitral valve prolapse,
- Patient who has received full information about the organization of the research and has signed an informed consent,
- Patient affiliated to or beneficiary of a social security insurance,
- Patient who has completed a prior clinical examination adapted to the research and who does not show any contraindication to the planned examinations
Exclusion Criteria:
- Stage of the disease: Patients with MVP with severe mitral regurgitation with a surgical indication as defined by current recommendations will not be included in the study,
- Presence of severe rhythm disorders requiring the implantation of a defibrillator (cardiorespiratory arrest recovered, sudden death recovered, etc.),
- Performance of an injected MRI in the month preceding the MRI scheduled during visit n°1,
- Previously diagnosed cardiopathy that may be responsible for myocardial damage (ventricular remodeling, alteration of left ventricular systolic function, fibrosis, etc.) and that may disrupt the interpretation of results (infarction, amyloidosis, systemic scleroderma, significant aortic valvulopathy, etc.).
- Contraindication to MRI examination, particularly in the presence of an implantable pacemaker or defibrillator, implanted pump, cochlear implants, neurosurgical clips, intraorbital or encephalic metallic foreign bodies,
- Claustrophobia or morphotype that does not allow MRI to be performed,
- Motor or mental disability,
- Renal impairment that does not allow the injection of Gadolinium-based contrast media (DOTAREM® or equivalent in the study). If there is any doubt as to the patient's renal function, a plasma creatinine determination will be performed for MRI to ensure the absence of renal failure,
- Hypersensitivity to gadoteric acid, meglumine, or any gadolinium-containing drug.
- Women of childbearing age who do not have effective contraception,
- Persons referred to in Articles L. 1121-5 to L1121-8 of the Public Health Code.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Diagnostic
- Allocation: Non-Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Group A (a) : patients without mitral regurgitation without ventricular extrasystole (≤10/hour)
These patients will undergo at the inclusion and 36 months after the inclusion :
|
Injected cardiac MRI
Blood collection (including genetics at the inclusion visit)
|
Experimental: Group A (b) : patients without mitral regurgitation with ventricular extrasystole (>10/hour)
These patients will undergo at the inclusion and 36 months after the inclusion :
|
Blood collection (including genetics at the inclusion visit)
Prolongation of the MRI examination (4D flow sequence ; about 10 min)
|
Experimental: Group B : patients with Mitral valve prolapse with trivial mitral regurgitation
These patients will undergo at the inclusion and 36 months after the inclusion :
|
Blood collection (including genetics at the inclusion visit)
Prolongation of the MRI examination (4D flow sequence ; about 10 min)
|
Experimental: Group C : patients with Mitral valve prolapse with moderate or mild mitral regurgitation
These patients will undergo at the inclusion and 36 months after the inclusion :
|
Blood collection (including genetics at the inclusion visit)
Prolongation of the MRI examination (4D flow sequence ; about 10 min)
|
Experimental: Group D : patients with asymptomatic Mitral valve prolapse with severe mitral regurgitation
These patients will undergo at the inclusion and 36 months after the inclusion :
|
Blood collection (including genetics at the inclusion visit)
Prolongation of the MRI examination (4D flow sequence ; about 10 min)
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Presence of ventricular remodelling
Time Frame: 3 years
|
Variation of at least 10% of the telestolic volume observed at 3 years on cardiac MRI compared to the initial cardiac MRI
|
3 years
|
Presence of ventricular arrythmia (fibrillation or tachycardia, extrasystoles)
Time Frame: 3 years
|
Occurrence of any ventricular arrythmia on external loop recording or exercise ECG
|
3 years
|
Collaborators and Investigators
Sponsor
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
Additional Relevant MeSH Terms
Other Study ID Numbers
- 2020-A02680-39
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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