- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04649099
The Leaflex™ Standalone Study Protocol
April 3, 2024 updated by: Pi-cardia
A prospective, multicenter, single-arm study aimed to assess safety and performance of the Leaflex™ Performer in the treatment of patients with symptomatic, severe aortic stenosis.
Subjects will be seen at pre- and post procedure, discharge, 30 days and at 3, 6, 9 and 12 months post procedure.
Study Overview
Status
Active, not recruiting
Conditions
Intervention / Treatment
Study Type
Interventional
Enrollment (Estimated)
80
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 Locations
-
-
-
Budapest, Hungary
- Gottsegen Gyorgy Hungarian Institute of Cardiology
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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
18 years and older (Adult, Older Adult)
Accepts Healthy Volunteers
No
Description
Inclusion Criteria:
- Patient with symptomatic, severe aortic stenosis who are not recommended by the heart team for immediate treatment with surgical or transcatheter aortic valve replacement.
- Patient is willing to comply with scheduled visits and tests and is able and willing to provide informed consent.
Exclusion Criteria:
- Moderate or greater aortic regurgitation.
- Anatomic contraindications.
- Coronary, carotid, or vertebral artery disease that, in the opinion of the heart team, should be treated; or treatment of coronary artery disease ≤ 1 month prior to index procedure.
- Aortic balloon valvuloplasty ≤ 3 months prior to index procedure.
- Stroke ≤ 12 months prior to index procedure.
- History of a myocardial infarction ≤ 6 weeks prior to index procedure.
- Patients with clinically significant abnormality in cell blood count, history of bleeding diathesis or coagulopathy.
- Hemodynamic instability.
- Hypertrophic cardiomyopathy with obstruction.
- Left ventricle ejection fraction <30%.
- Ongoing severe infection, including endocarditis, or sepsis.
- Life expectancy ≤ 12 months.
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: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Leaflex™ Performer
|
A transfemoral catheter designed to treat calcific aortic stenosis by scoring the calcification in the aortic valve leaflets.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in aortic valve area
Time Frame: Baseline to 3 days
|
assessed by echo
|
Baseline to 3 days
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Rate of all-cause mortality and all-cause stroke (VARC 2)
Time Frame: 30 days post procedure
|
Composite
|
30 days post procedure
|
Rate of worsening of aortic regurgitation
Time Frame: Baseline to 30 days
|
by greater than 1 grade
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Baseline to 30 days
|
Rate of device related adverse events
Time Frame: 12 months
|
12 months
|
|
Change in 6 minute walk test
Time Frame: 1, 6 and 12 months
|
distance (meters)
|
1, 6 and 12 months
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Quality of Life Improvement
Time Frame: 1, 6 and 12 months
|
KCCQ
|
1, 6 and 12 months
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Quality of Life Improvement
Time Frame: 1, 6 and 12 months
|
EQ5D
|
1, 6 and 12 months
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Change in aortic valve area
Time Frame: 30 days, 3, 6, 9 and 12 months
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assessed by echo
|
30 days, 3, 6, 9 and 12 months
|
Change in pressure gradients
Time Frame: 30 days, 3, 6, 9 and 12 months
|
assessed by echo
|
30 days, 3, 6, 9 and 12 months
|
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)
September 2, 2020
Primary Completion (Estimated)
December 1, 2024
Study Completion (Estimated)
December 1, 2024
Study Registration Dates
First Submitted
November 24, 2020
First Submitted That Met QC Criteria
November 24, 2020
First Posted (Actual)
December 2, 2020
Study Record Updates
Last Update Posted (Actual)
April 4, 2024
Last Update Submitted That Met QC Criteria
April 3, 2024
Last Verified
April 1, 2024
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- P02-CLN-019
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
NO
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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