Valvosoft First-In-Human Study in Severe Symptomatic Aortic Stenosis
Prospective, Controlled, Single-arm Clinical Investigation for the Treatment of Subjects With Severe Symptomatic Aortic Valve Stenosis Using Valvosoft® Pulsed Cavitational Ultrasound Therapy (PCUT) - First-In-Human
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Detailed Description
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
-
Belgrad, Serbia, 11000
- Clinical Centre of Serbia
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-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Subjects suffering from severe symptomatic aortic valve stenosis according to ESC 2017 definition, including subjects with a bicuspid valve.
- Patient is not eligible for TAVR/SAVR according to local Heart Team.
- Age ≥18 years.
- Subjects who are willing to provide a written informed consent prior to participating in the study.
- Subjects who can comply with the study follow up or other study requirements.
- Patient is eligible for the Valvosoft procedure according to CRC.
Exclusion Criteria:
- Subjects with any electrical device implanted.
- Subjects with unstable arrhythmia not controlled by medical treatment.
- Subjects with implanted mechanical valve in any position or bio prosthetic valve in aortic position.
- Subjects with complex congenital heart disease.
- Chest deformity.
- Cardiogenic shock.
- History of heart transplant.
- Subjects requiring other cardiac surgery procedures (bypass graft surgery, mitral valve procedure, tricuspid valve procedure) within one month after treatment.
- Thrombus in heart.
- Acute myocardial infarction (MI), stroke or transient ischemic attack (TIA) within one month prior to enrolment*.
- Subjects who are pregnant or nursing.
- Subjects who are participating in another research study for which the primary endpoint has not been reached.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
Experimental: Ultrasound treatment
Ultrasound treatment of patients with symptomatic aortic valve stenosis who are not eligible for valve replacement
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Ultrasound treatment of calcified aortic valve causing symptomatic aortic valve stenosis in patients who are not eligible for valve replacemen
Other Names:
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What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Safety: Rate of procedure related mortality
Time Frame: Up to 30 days
|
Rate of procedure related mortality at 30 days
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Up to 30 days
|
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Device performance to modify valve structure as measured by echocardiography
Time Frame: Immediately after the procedure
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Ability to modify the Left Ventricular Ejection Fraction (%)
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Immediately after the procedure
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Device performance to modify valve structure as measured by echocardiography
Time Frame: Immediately after the procedure
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Ability to modify the Mean Pressure Gradient (mmHg)
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Immediately after the procedure
|
Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Rate of stroke
Time Frame: Up to two years
|
Rate of stroke
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Up to two years
|
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Major Adverse Events
Time Frame: Up to 2 years
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Rate of Major Adverse Events (MAE) and number of patients with one or more MAE during the course of the study, an MAE defined as: Disabling stroke, Myocardial infarction or any clinically significant changes in biomarkers (CK, Troponin I - T) that would indicate damage to the heart structure, or clinically significant conduction disturbances requiring pacemaker implantation or persistent arrhythmias
|
Up to 2 years
|
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All-cause mortality
Time Frame: Up to two years
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Number of patients that die during the course of the study and if so, how long aftre the procedure
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Up to two years
|
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Change of severity of heart failure
Time Frame: At 1, 3,6,12 and 24 months
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Change of New York Heart Association class (I-IV - stage of severity of heart failure - I=no symptoms, IV= symptoms at rest)
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At 1, 3,6,12 and 24 months
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Adverse events
Time Frame: Up to 2 years
|
Rate of all Adverse Events
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Up to 2 years
|
|
User Handeling
Time Frame: Immediately after the procedure
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User handling (questionnaire for operator + procedure duration
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Immediately after the procedure
|
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Long term maintenance of improvement of Aortic Valve area and mean Pressure Gradient
Time Frame: At 1, 3, 6,1 2 and 24 months
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Long term maintenance of improvement of AVA and PG
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At 1, 3, 6,1 2 and 24 months
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|
quality of life measured through Kansas City Cardiomyopathy Questionnaire
Time Frame: at 1, 3, 6, 12 and 24 months
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Improvement of quality of life by means of KCCQ
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at 1, 3, 6, 12 and 24 months
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Collaborators and Investigators
Sponsor
Sponsor
Investigators
Investigators
- Principal Investigator: Emmanuel Messas, MD, Hospital Georges Pompidou, Paris, France
Publications and helpful links
General Publications
- Messas E, Ijsselmuiden A, Trifunovic-Zamaklar D, Cholley B, Puymirat E, Halim J, Karan R, van Gameren M, Terzic D, Milicevic V, Tanter M, Pernot M, Goudot G. Treatment of severe symptomatic aortic valve stenosis using non-invasive ultrasound therapy: a cohort study. Lancet. 2023 Dec 16;402(10419):2317-2325. doi: 10.1016/S0140-6736(23)01518-0. Epub 2023 Nov 14.
- Trifunovic-Zamaklar D, Velinovic M, Kovacevic-Kostic N, Messas E. Systematic brain magnetic resonance imaging and safety evaluation of non-invasive ultrasound therapy for patients with severe symptomatic aortic valve stenosis. Eur Heart J Cardiovasc Imaging. 2023 Jun 21;24(7):e108-e109. doi: 10.1093/ehjci/jead089. No abstract available.
Study record dates
Study Major Dates
Study Start (Actual)
Study Start
Primary Completion (Actual)
Primary Completion
Study Completion (Actual)
Study Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (Actual)
First Posted
Study Record Updates
Last Update Posted (Actual)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
Other Study ID Numbers
- CW19-01RS
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
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