Comparison of Allegra vs Sapien Transcatheter Aortic Valves in Valve-In-Valve Indication

March 13, 2024 updated by: Fundación EPIC

Clinical Trial of the Results of Allegra vs Sapien Transcatheter Aortic Valves in Valve-In-Valve Indication

The VIVALL-2 study is a randomized trial to compare the self-expandable supra-annular Allegra and the balloon-expandable intra-annular Edwards transcatheter valve systems in patients with degenerated biological aortic surgical valve.

Study Overview

Detailed Description

In the VIVALL.2 study, 104 patients with severely degenerated biological aortic surgical valve accepted for vave-in-valve procedure (transcatheter aortic valve implantation) will be randomized to be treated with the self-expandable supra-annular Allegra or the balloon-expandable intra-annular Edwards systems. The primary end-point will be trans-aortic mean gradient determined by trans-thoracic echocardiography at 30 days. The proportion of patients with moderate or severe prosthesis mismatch at 30 days will be a secondary end-.point. Different countries will participate in the study.

Study Type

Interventional

Enrollment (Estimated)

104

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 Contact

Study Contact Backup

Study Locations

      • Madrid, Spain, 28046
        • Recruiting
        • Hospital Universitario de La Paz

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

  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

Patients meeting ALL the following criteria will be included:

  • Patients aged ≥ 18 years.
  • Severe haemodynamical valve deterioration of a biological aortic valve implanted surgically, including severe valve stenosis (effective aortic valve area < 1.0 cm2) and/or severe valve regurgitation.
  • The patient has cardiac symptoms and/or deterioration of left ventricular ejection fraction attributable to the aortic valve disease.
  • Heart team decision of VIV procedure.
  • Patient is willing to return at 30 days for TTE and to be clinically contacted at 1 year.

Exclusion Criteria:

Patients meeting, at least, 1 of the following criteria will be excluded:

  • Patients who openly express their refusal to participate in the study.
  • Female patients in gestational age.
  • Presence or suspicious of biological aortic valve thrombosis.
  • Known hypersensitivity or contraindication to antithrombotic therapy (or inability to be anticoagulated during the procedure), nitinol, or sensitivity to contrast media which cannot be adequately pre-medicated.
  • Ongoing sepsis and/or suspicious or diagnosis of endocarditis.
  • Patients whose life expectancy is < 1 year due to non-cardiac comorbid conditions.
  • Medical, social, or psychological conditions that preclude the subject from appropriate consent or adherence to the protocol required follow-up exams.
  • True inner diameter of the prosthetic valve > 27 mm.
  • Transfemoral access inadequate to accommodate an 18F sheath.
  • Patients included in other clinical trials (excluding registries).

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: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Active Comparator: NVT ALLEGRA System TF
Transcatheter aortic valve implantation of a NVT ALLEGRA TAVI System TF in patients with severe haemodynamical valve deterioration of a biological aortic valve implanted surgically
Experimental: EDWARDS SAPIEN 3 or SAPIEN ULTRA SYSTEM
Transcatheter aortic valve implantation of an EDWARDS SAPIEN 3 SYSTEM in patients with severe haemodynamical valve deterioration of a biological aortic valve implanted surgically

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Trans-aortic mean gradient after Valve-in-Valve procedure, measured by transthoracic echocardiography (TTE).
Time Frame: 30 days
Trans-aortic mean gradient after Valve-in-Valve procedure, measured by transthoracic echocardiography (TTE).
30 days

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Proportion of patients with device success after the Valve In Valve (VIV) procedure
Time Frame: 30 days
Device success after the VIV procedure to the VARC-3 criteria
30 days
Proportion of patients with a trans-aortic mean gradient higher than 20 mmHg after the VIV procedure
Time Frame: 30 days
Proportion of patients with a trans-aortic mean gradient higher than 20 mmHg after the VIV procedure
30 days
Proportion of patients with moderate or severe prosthesis mismatch 30 days after the VIV intervention.
Time Frame: 30 days
Proportion of patients with moderate or severe prosthesis mismatch 30 days after the VIV intervention.
30 days
Early safety at 30 days as defined by Valve Academic Research Consortium 3 (VARC-3) criteria
Time Frame: 30 days
freedom from: all-cause mortality, all stroke, VARC type 2-4 bleeding, major vascular, access-related, or cardiac structural complication, acute kidney injury stage 3 or 4, moderate or severe aortic regurgitation, new permanent pacemaker due to procedure related conduction abnormalities, surgery or intervention related to the device.
30 days
Clinical efficacy at 1 year as defined by VARC-3 criteria
Time Frame: 1 year
freedom from: all-cause mortality, all stroke, hospitalization for procedure- or valve related causes, KCCQ Overall Summary Score <45 or decline from baseline of >10 point.
1 year
Trans-aortic mean gradient
Time Frame: 1 year
Trans-aortic mean gradient 1 year after TAVR procedure
1 year
Death
Time Frame: 1 year
Incidence of Death
1 year
Stroke
Time Frame: 1 year
Incidence of Stroke
1 year

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

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)

February 1, 2024

Primary Completion (Estimated)

November 1, 2025

Study Completion (Estimated)

November 1, 2025

Study Registration Dates

First Submitted

August 17, 2023

First Submitted That Met QC Criteria

September 17, 2023

First Posted (Actual)

September 22, 2023

Study Record Updates

Last Update Posted (Actual)

March 15, 2024

Last Update Submitted That Met QC Criteria

March 13, 2024

Last Verified

March 1, 2024

More Information

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.

Clinical Trials on Aortic Valve Stenosis

Clinical Trials on NVT ALLEGRA TAVI System TF

3
Subscribe