ALTERRA Post-Approval Study

October 31, 2025 updated by: Edwards Lifesciences

Multicenter Post-Approval Study of Congenital Pulmonic Valve Dysfunction Studying the Edwards SAPIEN 3 Transcatheter Pulmonary Valve System With Alterra Adaptive Prestent

This study will monitor device performance and outcomes in subjects undergoing implantation of the Edwards SAPIEN 3 Transcatheter Pulmonary Valve System with Alterra Adaptive Prestent in the post-approval setting

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Active, not recruiting

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Detailed Description

This is a single arm, prospective, multicenter post-approval study.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Observational

Enrollment (Actual)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
150

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

The name and contact information for the person who can answer enrollment questions for a clinical study. Each location where the study is being conducted may also have a specific contact, who may be better able to answer those questions.

Study Locations

  • Israel
      • Petah Tikva, Israel
        • Schneider Children's Medical Center of Israel
  • United States
    • Alabama
      • Birmingham, Alabama, United States, 35233
        • Children's of Alabama
    • Arkansas
      • Little Rock, Arkansas, United States, 72202
        • Arkansas Children's Hospital
    • California
      • Los Angeles, California, United States, 90048
        • Cedars Sinai Medical Center
      • San Diego, California, United States, 92123
        • Rady Children's Hospital
      • Stanford, California, United States, 94305
        • Stanford University
    • Colorado
      • Aurora, Colorado, United States, 80045
        • Colorado Children's Hospital
    • Florida
      • Gainesville, Florida, United States, 32669
        • UF Health Shands Hospital
      • Tampa, Florida, United States, 33607
        • St. Joseph's Children's Hospital
    • Illinois
      • Oak Lawn, Illinois, United States, 60453
        • Advocate Children's Hospital
    • Massachusetts
      • Boston, Massachusetts, United States, 02115
        • Boston Children's Hospital
    • Missouri
      • St Louis, Missouri, United States, 63130
        • Washington University in St. Louis
    • New York
      • New York, New York, United States, 10032
        • Columbia University
      • New York, New York, United States, 10029
        • Icahn School of Medicine at Mount Sinai
    • North Carolina
      • Durham, North Carolina, United States, 27710
        • Duke University
    • Ohio
      • Cincinnati, Ohio, United States, 45229
        • Cincinnati Children's Hospital
      • Columbus, Ohio, United States, 43205
        • Nationwide Children's Hospital
    • Pennsylvania
      • Pittsburgh, Pennsylvania, United States, 15224
        • UPMC Children's Hospital of Pittsburgh
    • Tennessee
      • Memphis, Tennessee, United States, 38103
        • Le Bonheur Children's Hospital
    • Texas
      • Dallas, Texas, United States, 75230
        • Medical City Dallas
      • Houston, Texas, United States, 77030
        • Texas Children's Hospital
      • Houston, Texas, United States, 77030
        • Children's Memorial Hermann Hospital
    • Utah
      • Salt Lake City, Utah, United States, 84113
        • Primary Children's Hospital
    • Washington
      • Seattle, Washington, United States, 98105
        • Seattle Children's Hospital

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

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

  • Child
  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Sampling Method

Non-Probability Sample

Study Population

Subjects with severe PR who have a native or surgically-repaired RVOT, are clinically indicated for pulmonary valve replacement, and are planned for treatment with the Alterra prestent and SAPIEN 3 THV

Description

Inclusion Criteria:

  1. Native or surgically-repaired RVOT with severe PR
  2. Clinically indicated for pulmonary valve replacement
  3. Planned for treatment with the Alterra prestent and SAPIEN 3 THV

Exclusion Criteria:

  1. Inability to tolerate an anticoagulation/antiplatelet regimen
  2. Active bacterial endocarditis or other active infections

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

  • Observational Models: Cohort
  • Time Perspectives: Prospective

Cohorts and Interventions

Group / Cohort

Group / Cohort

A group or subgroup of participants in an observational study that is assessed for biomedical or health outcomes.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
TPVR
Transcatheter Pulmonary Valve Replacement
Device: Edwards Alterra Adaptive Prestent with SAPIEN 3 Transcatheter Pulmonary Valve System
The Edwards Alterra Adaptive Prestent is designed to reduce the diameter of large irregular right ventricular outflow tracts (RVOTs) and provide a circular, semi-rigid landing zone to place an Edwards SAPIEN 3 transcatheter heart valve (THV).

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Acute Device Success
Time Frame: 24 hours post-procedure

Acute Device Success, defined as a non-hierarchical composite of:

  • Single Alterra deployed in the desired location
  • Single THV implanted in the desired location within Alterra
  • Right ventricle-pulmonary artery peak-to-peak gradient < 35 mmHg post-THV implantation
  • Less than moderate total pulmonary regurgitation (PR) by discharge transthoracic echocardiogram
  • Free of Alterra/SAPIEN 3 explant at 24 hours post-implantation
24 hours post-procedure

Collaborators and Investigators

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

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Edwards Lifesciences

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)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
May 12, 2022

Primary Completion (Actual)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
September 25, 2025

Study Completion (Estimated)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
July 1, 2035

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
May 12, 2022

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
May 12, 2022

First Posted (Actual)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
May 18, 2022

Study Record Updates

Last Update Posted (Estimated)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
November 4, 2025

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
October 31, 2025

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
July 1, 2025

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • 2021-11

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

product manufactured in and exported from the U.S.

Yes

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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