A prospective, multicenter, single-arm study aimed to demonstrate safety and performance of the Leaflex™ Performer in the treatment of symptomatic severe aortic stenosis.
A prospective, multicenter, single-arm study aimed to demonstrate safety and performance of the Leaflex™ Performer in the treatment of 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 Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
1
A transfemoral catheter designed to treat calcific aortic stenosis by scoring the calcification in the aortic valve leaflets.
Instituto do Coração FMUSP Centro de Pesquisa
São Paulo, Brazil
Change in aortic valve area
Assessed by echo Assessed by echo
Time frame: Baseline and up to 3 days post procedure
Rate of all-cause mortality and all-cause stroke (VARC 2)
Composite
Time frame: 30 days post procedure
Rate of worsening of aortic regurgitation
By more than 1 grade
Time frame: Baseline and 30 days post procedure
Rate of device related adverse events
Percent of patients with device related adverse events
Time frame: Up to 12 months post procedure
Change in 6 minute walk test
Distance (meters)
Time frame: Baseline, 1, 6 and 12 months post procedure
Change in Quality of Life - KCCQ
Kansas City Cardiomyopathy Questionnaire (KCCQ)
Time frame: Baseline, 1, 6 and 12 months post procedure
Change in Quality of Life - EQ5D
EuroQol- 5 Dimension (EQ5D)
Time frame: Baseline, 1, 6 and 12 months post procedure
Change in aortic valve area
Assessed by echo
Time frame: Baseline, up to 3 days, 30 days, 3, 6, 9 and 12 months post procedure
Change in pressure gradients
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Assessed by echo
Time frame: Baseline, up to 3 days, 30 days, 3, 6, 9 and 12 months post procedure
Change in pressure gradients
Measured invasively
Time frame: Pre-treatment, immediately post treatment (during procedure)