Clinical Trial in China for Aortic Valve Stenosis

November 1, 2022 updated by: Genesis Medtech Corporation

Efficacy and Safety of the J-Valve Transcatheter Aortic Valve Replacement System in Patients With Aortic Stenosis Disease

The purpose of this clinical study is to evaluate the effectiveness and safety of the transcatheter aortic valve system in the treatment of patients with severe aortic stenosis disease who are at high or prohibitive surgical risk.

Study Overview

Detailed Description

This study is a prospective, multicenter, single-arm, clinical study.

Study Type

Interventional

Enrollment (Anticipated)

53

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 Locations

      • Beijing, China
        • Recruiting
        • Xuanwu Hospital Capital Medical University
        • Contact:
      • Beijing, China
        • Recruiting
        • Peking University Third Hospital
        • Contact:
      • Beijing, China
        • Recruiting
        • Beijing Anzhen Hospital,Capital Medical University
        • Contact:
      • Beijing, China
        • Recruiting
        • Chinese PLA General Hoapital
        • Contact:
      • Chongqing, China
      • Guangdong, China
        • Recruiting
        • Guangdong Academy of Medical Sciences
        • Contact:
      • Nanjing, China
        • Recruiting
        • Nanjing Drum Tower hospital
        • Contact:
      • Shanghai, China
        • Recruiting
        • Zhongshan Hospital
        • Contact:
      • Sichuan, China
        • Recruiting
        • West China Hospital
        • Contact:
      • Suzhou, China
        • Recruiting
        • The First Affiliated of Soochow University
        • Contact:
      • Xi'an, China
        • Recruiting
        • Xijing Hospital of the Fourth Military Medical University
        • Contact:
      • Xiamen, China
        • Recruiting
        • Xiamen Cardiovascular Hospital Xiamen University
        • Contact:
      • Yunnan, China
        • Recruiting
        • Fuwai Yunnan Cardiovascular Hospital
        • Contact:
      • Zhangjiang, China
        • Recruiting
        • The Second Affiliated Hospital of Zhejiang University
        • Contact:
      • Zhengzhou, China
        • Recruiting
        • The First Affiliated Hospital of Zhengzhou University
        • Contact:

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

63 years and older (Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  1. Age ≥ 65;
  2. Patients with symptomatic aortic valve regurgitation diseases, and New York Heart Association (NYHA) ≥ II;
  3. Subject must have Society of Thoracic Surgeons (STS) score ≥8% or have been evaluated as inoperable by the surgical team [defined as rate of death #50% within 30 d post-surgery or accompanied with irreversible occasions of other factors prevent surgeries (such as heavily calcified (porcelain) ascending aorta, weakness, chest malformation, liver dysfunction, pulmonary dysfunction and so on ); (Note: age of inoperable patients can be expanded to ≥ 50);
  4. Aortic valve anatomy is suitable for TAVR evaluated by the investigators;
  5. Patients who can sign informed consent form, and are willing to accept relevant examinations and clinical follow-ups.

Exclusion Criteria:

  1. Active endocarditis;
  2. Acute myocardial infarction or coronary revascularization occurred within 1 month before procedure;
  3. Cerebrovascular accident (CVA) occurred within 30 days before procedure;
  4. The echocardiogram indicates the presence of mass, thrombus or vegetation in left ventricle and left atrium;
  5. Hypertrophic obstructive cardiomyopathy;
  6. Other valve diseases that need interventions;
  7. Previous aortic valve implantation (mechanical or biological);
  8. Allergic to Nickel-titanium alloys or contrast agents or cattle-originated products;
  9. Known allergy or contraindication to all anticoagulation, or anticoagulation can not be used during the TAVR;
  10. In presence one of the following (from selection to the day of procedure index): a other diseases that may shorten life expectancy to less than 12 months (recurrent or metastatic cancer, congestive heart failure); b drug abuse (such as cocaine, heroin and so on); c planned additional operations that may result in incompliance or data confusion;
  11. Stenosis of common carotid artery, internal carotid artery or vertebral artery #70%;
  12. Severe left ventricular dysfunction, left ventricular ejection fraction (LVEF) <20%;
  13. Hepatic encephalopathy or acute active hepatitis;
  14. Receiving hemodialysis;
  15. Bleeding tendency or history of coagulopathy or refuse to receive transfusion;
  16. Active gastrointestinal (GI) ulcer or bleeding;
  17. Severe dementia;
  18. Patients who need emergency surgery for any reason;
  19. Patients are participating in other drugs or medical devices clinical trial;
  20. Pregnant or plan to be pregnant, or are taking estrogen or estrogen-like drugs (Women suspected of pregnancy must have a negative serum or urine test for human villous gonadotropin prior to enrollment in the study);
  21. Other inappropriate occasions according to the investigators.

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: N/A
  • Interventional Model: Single Group Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: Experimental: Treatment
Device: J-Valve® valve delivery system, Transvascularized biological aortic valve system
Transcatheter aortic valve replacement system

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Cumulative all-cause mortality
Time Frame: 12 months
All-cause mortality within 12 months of TAVR procedure
12 months

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Functional Improvement of heart ( NYHA)
Time Frame: 30 days, 6 months, 12 months
NYHA classification of cardiac function was evaluated after operation
30 days, 6 months, 12 months
Quality of life(KCCQ)
Time Frame: 30 days, 6 months, 12 months
Evaluation of postoperative Quality of life score improvement (KCCQ)
30 days, 6 months, 12 months
Device defects
Time Frame: intraoperative
Incidence of device defects
intraoperative
The incidence of serious adverse events
Time Frame: 12 months
Incidence of serious adverse events
12 months
Device success
Time Frame: 30 days
No operative death;The instrument was placed in the correct anatomical position, and the delivery assembly was successfully entered and withdrawn;No device-related surgical or interventional intervention (other than permanent pacemaker implantation)
30 days
Procedural success
Time Frame: : immediate post-surgical
Technical success,No death,No device-related surgical or interventional intervention (except permanent pacemaker implantation),The artificial aortic valve achieved the expected value (mean transaortic pressure difference < 20mmHg or transaortic flow velocity < 3m/s; No moderate or greater artificial aortic regurgitation or perivalvular leakage)
: immediate post-surgical
Evaluation of bioprosthetic valve and cardiac function Evaluation of bioprosthetic valve and cardiac function Evaluation of bioprosthetic valve and cardiac function
Time Frame: 30 days, 6 months, 12 months
Echocardiography was used to evaluate aortic valve function and cardiac function
30 days, 6 months, 12 months
Major cardiovascular and cerebrovascular adverse events (MACCE)
Time Frame: before discharge/7days, 30 days, 6 months, 12 months
Major adverse cardiovascular and cerebrovascular events (MACCE) included mortality, stroke, myocardial infarction, reoperation, arrhythmia, and conduction block.
before discharge/7days, 30 days, 6 months, 12 months
Myocardial infarction
Time Frame: before discharge/7days, 30 days, 6 months, 12 months
Incidence of myocardial infarction
before discharge/7days, 30 days, 6 months, 12 months
Stroke
Time Frame: before discharge/7days, 30 days, 6 months, 12 months
Grades include ischemic stroke (including transient ischemic attack, TIA) and hemorrhagic stroke Grades included ischemic stroke (including transient ischemic attack, TIA) and hemorrhagic stroke; Definitions included disabling stroke (modified Rankin score ≥2 at 90 days after stroke with an increase of >1 point) and nondisabling stroke (modified Rankin score <2 at 90 days after stroke with no increase in score). Stroke events should be recorded and the causes analyzed in detail.
before discharge/7days, 30 days, 6 months, 12 months
Major bleeding (life-threatening or crippling)
Time Frame: before discharge/7days, 30 days, 6 months, 12 months
Severe bleeding: BARC bleeding was defined as type 3a and above
before discharge/7days, 30 days, 6 months, 12 months
Acute kidney injury
Time Frame: before discharge/7days, 30 days, 6 months, 12 months
The incidence of AKIN stage 2 and above events was recorded.
before discharge/7days, 30 days, 6 months, 12 months
Conduction block and malignant arrhythmia
Time Frame: before discharge/7days, 30 days, 6 months, 12 months
The incidence of conduction block and malignant arrhythmias
before discharge/7days, 30 days, 6 months, 12 months
Permanent pacemaker implantation
Time Frame: before discharge/7days, 30 days, 6 months, 12 months
Permanent pacemaker implantation rate
before discharge/7days, 30 days, 6 months, 12 months
TAVI related complications
Time Frame: before discharge/7days, 30 days, 6 months, 12 months
These include conversion to surgery, accidental mechanical cardiopulmonary assistance, coronary occlusion, ventricular septal perforation, mitral valve damage or loss of function, cardiac tamponade, endocarditis, valve thrombosis, valve ectopic (displacement, embolization, misrelease), aortic dissection, aortic root rupture, and peripheral vascular complications.
before discharge/7days, 30 days, 6 months, 12 months
The incidence of adverse events The incidence of adverse events
Time Frame: 12 months
Incidence of adverse events
12 months

Collaborators and Investigators

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

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 (Anticipated)

October 27, 2022

Primary Completion (Anticipated)

May 1, 2023

Study Completion (Anticipated)

May 1, 2023

Study Registration Dates

First Submitted

October 27, 2022

First Submitted That Met QC Criteria

November 1, 2022

First Posted (Actual)

November 7, 2022

Study Record Updates

Last Update Posted (Actual)

November 7, 2022

Last Update Submitted That Met QC Criteria

November 1, 2022

Last Verified

November 1, 2022

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

No

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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