NCT04636073

Brief Summary

A prospective, multicenter, single-arm, early feasibility study aimed to assess safety and performance of the Leaflex™ Performer in the treatment of patients with symptomatic, severe aortic stenosis.

Trial Health

15
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Timeline
Completed

Started Jun 2024

Status
withdrawn

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

October 30, 2020

Completed
20 days until next milestone

First Posted

Study publicly available on registry

November 19, 2020

Completed
3.5 years until next milestone

Study Start

First participant enrolled

June 1, 2024

Completed
Same day until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 1, 2024

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

June 1, 2024

Completed
Last Updated

October 27, 2025

Status Verified

May 1, 2024

Enrollment Period

Same day

First QC Date

October 30, 2020

Last Update Submit

October 23, 2025

Conditions

Outcome Measures

Primary Outcomes (1)

  • Change in aortic valve area

    assessed by echo

    Baseline to 3 days

Secondary Outcomes (9)

  • Rate of all-cause mortality and all-cause stroke (VARC 2)

    30 days post procedure

  • Rate of worsening of aortic regurgitation

    Baseline to 30 days

  • Rate of worsening of aortic regurgitation

    Discharge to 30 days

  • Rate of device related adverse events

    12 months

  • Change in 6 minute walk test

    1, 6 and 12 months

  • +4 more secondary outcomes

Study Arms (1)

Leaflex™ Performer

EXPERIMENTAL
Device: Leaflex™ Performer

Interventions

A transfemoral catheter designed to treat calcific aortic stenosis by scoring the calcification in the aortic valve leaflets.

Leaflex™ Performer

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Patient with symptomatic, severe aortic stenosis who are operable, but 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.

You may not qualify if:

  • Inoperable for emergency surgery.
  • 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.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

MeSH Terms

Conditions

Aortic Valve Stenosis

Condition Hierarchy (Ancestors)

Aortic Valve DiseaseHeart Valve DiseasesHeart DiseasesCardiovascular DiseasesVentricular Outflow Obstruction
0

Study Design

Study Type
interventional
Phase
not applicable
Allocation
NA
Masking
NONE
Purpose
TREATMENT
Intervention Model
SINGLE GROUP
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

October 30, 2020

First Posted

November 19, 2020

Study Start

June 1, 2024

Primary Completion

June 1, 2024

Study Completion

June 1, 2024

Last Updated

October 27, 2025

Record last verified: 2024-05