VitaFlow® Transcatheter Aortic Valve Replacement System Pre-market Trial Long Term Follow Up (VITAL) (VITAL)

This study is an observational study to evaluate the long-term safety and effectiveness of the valve system.

Study Overview

Detailed Description

This study is an observational study, for who have joined the VitaFlow® Catheter Aortic Valve System pre-market trial (Protocol No. valve -2014-04) in 4 designated research institutions, and follow-up from 6 to 10 years after the procedure, To evaluate the long-term safety and effectiveness of the valve system.

Study Type

Observational

Enrollment (Estimated)

89

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 Locations

      • Beijing, China
        • Fuwai CVD Hospital of Chinese Academy of Medical Sciences
        • Contact:
          • Yongjian Wu
      • Chengdu, China
        • West China Hospital, Sichuan University
        • Contact:
          • Yuan Feng
      • Hangzhou, China
        • The Second Affiliated Hospital Zhejiang University School of Medicine
        • Contact:
          • jianan Wang
      • Shanghai, China
        • Zhongshan Hospital Fudan University
        • Contact:
          • Daxin Zhou
        • Principal Investigator:
          • Daxin Zhou

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

Sampling Method

Non-Probability Sample

Study Population

Patients who have participated in the VitaFlow® transcatheter aortic valve system pre-market trial

Description

Inclusion Criteria:

  • Must meet 1, 2, 3, 4 or 1, 5 to be selected:

    1. Patients who have participated in the VitaFlow® transcatheter aortic valve system pre-market trial in the 4 designated research institutions*;
    2. Be able to get in touch with the patient or his legal guardian/relative;
    3. Patients who can understand the purpose and nature of the follow-up of this study, and are willing to cooperate with the follow-up and provide follow-up information;
    4. Sign the informed consent form;
    5. Patients who are known to have died.

      • 4 research institutions: Zhongshan Hospital Fudan University, Second Affiliated Hospital of Zhejiang University School of Medicine, West China Hospital of Sichuan University and Fuwai Hospital.

Exclusion Criteria:

  1. Participate in clinical trials of other drugs or medical devices and have not yet reached the primary endpoint;
  2. The investigator judges that the patient's compliance is poor and the study cannot be completed as required.

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

Cohorts and Interventions

Group / Cohort
Intervention / Treatment
Non Interventional long term safety follow up
This study is an observational study, for who have joined the VitaFlow® Catheter Aortic Valve System pre-market trial

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
All cause mortality
Time Frame: 7years after the operation
rate of all cause mortality
7years after the operation

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Cardiac death
Time Frame: 6 years, 7 years, 8 years, 9 years and 10 years after the operation
rate of Cardiac death
6 years, 7 years, 8 years, 9 years and 10 years after the operation
Stroke
Time Frame: 6 years, 7 years, 8 years, 9 years and 10 years after the operation
rate of stroke
6 years, 7 years, 8 years, 9 years and 10 years after the operation
valve-related rehospitalization
Time Frame: 6 years, 7 years, 8 years, 9 years and 10 years after the operation
rate of valve-related rehospitalization
6 years, 7 years, 8 years, 9 years and 10 years after the operation
Serious Adverse Event
Time Frame: 6 years, 7 years, 8 years, 9 years and 10 years after the operation
rate of Serious Adverse Event
6 years, 7 years, 8 years, 9 years and 10 years after the operation
Blood pressure
Time Frame: 6 years, 7 years, 8 years, 9 years and 10 years after the operation
Systolic and Diastolic Blood Pressure
6 years, 7 years, 8 years, 9 years and 10 years after the operation
The 12-Item Short Form Health Survey (SF-12)
Time Frame: 6years, 7years, 8 years, 9 years and 10 years after the operation
Scores range from 0 to 100, higher scores are better
6years, 7years, 8 years, 9 years and 10 years after the operation
Mean transvalvular pressure gradient
Time Frame: 7years,and 10 years after the operation
Transthoracic Echocardiogram test
7years,and 10 years after the operation
Effective orifice area
Time Frame: 7years,and 10 years after the operation
Transthoracic Echocardiogram test
7years,and 10 years after the operation
Peak velocity
Time Frame: 7years,and 10 years after the operation
Transthoracic Echocardiogram test
7years,and 10 years after the operation
class of Paravalvular leak
Time Frame: 7years,and 10 years after the operation
Transthoracic Echocardiogram test
7years,and 10 years after the operation
class of Aortic regurgitation
Time Frame: 7years,and 10 years after the operation
Transthoracic Echocardiogram test
7years,and 10 years after the operation
New York Heart Association Class for heart function
Time Frame: 7years,and 10 years after the operation
NYHA class
7years,and 10 years after the operation
Kansas City Cardiomyopathy Questionnaire
Time Frame: 7years,and 10 years after the operation
Kansas City Cardiomyopathy Questionnaire(score 0-100), higher scores are better
7years,and 10 years after the operation
Natriuretic peptide tests ( NT Pro-BNP or BNP)
Time Frame: 7years,and 10 years after the operation
blood test
7years,and 10 years after the operation
moderate and severe structural valve deterioration SVD
Time Frame: 7years,and 10 years after the operation
Transthoracic Echocardiogram test
7years,and 10 years after the operation
bioprosthetic valve failure,BVF
Time Frame: 7years,and 10 years after the operation
Transthoracic Echocardiogram test
7years,and 10 years after the operation
All cause mortality
Time Frame: 6 years, 8 years, 9 years and 10 years after the operation
rate of all cause mortality
6 years, 8 years, 9 years and 10 years after the operation

Collaborators and Investigators

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

Investigators

  • Principal Investigator: Daxin Zhou, Fudan University

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 (Estimated)

July 30, 2023

Primary Completion (Estimated)

October 30, 2025

Study Completion (Estimated)

October 30, 2028

Study Registration Dates

First Submitted

July 10, 2023

First Submitted That Met QC Criteria

July 28, 2023

First Posted (Actual)

August 4, 2023

Study Record Updates

Last Update Posted (Actual)

August 4, 2023

Last Update Submitted That Met QC Criteria

July 28, 2023

Last Verified

July 1, 2023

More Information

Terms related to this study

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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