Aortic Valve Stenosis Clinical Trial
Official title:
A Prospective, Single-arm, Multicenter Study of the SAPIEN 3 Ultra System in Intermediate Risk Patients With Severe, Calcific, Aortic Stenosis Requiring Aortic Valve Replacement
Verified date | November 2023 |
Source | Edwards Lifesciences |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
This study will confirm the procedural safety and performance of the SAPIEN 3 Ultra System in subjects with severe, calcific AS who are at intermediate operative risk for standard aortic valve replacement.
Status | Active, not recruiting |
Enrollment | 100 |
Est. completion date | February 2025 |
Est. primary completion date | December 23, 2019 |
Accepts healthy volunteers | No |
Gender | All |
Age group | N/A and older |
Eligibility | Inclusion Criteria: 1. Severe, calcific aortic stenosis meeting the following transthoracic echocardiogram criteria: - Aortic valve area = 1.0 cm2 OR aortic valve area index = 0.6 cm2/m2 - Jet velocity = 4.0 m/s OR mean gradient = 40 mmHg 2. New York Heart Association functional class = II 3. Judged by the Heart Team to be at intermediate risk for open surgical therapy 4. The subject has been informed of the nature of the study, agrees to its provisions and has provided written informed consent. Exclusion Criteria: 1. Native aortic annulus size unsuitable for available THV sizes on 3D imaging analysis 2. Aortic valve is unicuspid, bicuspid or non-calcified 3. Pre-existing mechanical or bioprosthetic valve in any position. 4. Severe aortic regurgitation (> 3+) 5. Severe mitral regurgitation (> 3+) or = moderate stenosis 6. Ventricular dysfunction with left ventricular ejection fraction < 30% 7. Cardiac imaging evidence of intracardiac mass, thrombus or vegetation 8. Evidence of an acute myocardial infarction = 30 days before the valve implant procedure 9. Subjects with planned concomitant ablation for atrial fibrillation 10. Hypertrophic cardiomyopathy with obstruction 11. Coronary anatomy that increases the risk of coronary artery obstruction post-TAVR 12. Complex coronary artery disease: 1. Unprotected left main coronary artery 2. SYNTAX score > 32 3. Heart Team assessment that optimal revascularization cannot be performed 13. Iliofemoral vessel characteristics that would preclude safe placement of the introducer sheath 14. Significant abdominal or thoracic aortic disease that would preclude safe passage of the delivery system 15. Active bacterial endocarditis within 180 days of the valve implant procedure 16. Stroke or transient ischemic attack within 90 days of the valve implant procedure 17. Symptomatic carotid or vertebral artery disease or successful treatment of carotid stenosis within 30 days of the valve implant procedure 18. Severe lung disease (Forced Ejection Volume 1 < 50% predicted) or currently on home oxygen 19. Severe pulmonary hypertension 20. Hemodynamic or respiratory instability requiring inotropic support, mechanical ventilation or mechanical heart assistance within 30 days of the valve implant procedure 21. History of cirrhosis or any active liver disease 22. Renal insufficiency and/or renal replacement therapy at the time of screening 23. Leukopenia, anemia, thrombocytopenia, history of bleeding diathesis or coagulopathy or hypercoagulable states 24. Inability to tolerate or condition precluding treatment with antithrombotic therapy during or after the valve implant procedure 25. Absolute contraindications or allergy to iodinated contrast that cannot be adequately treated with pre-medication 26. Significant frailty as determined by the Heart Team 27. Subject refuses blood products 28. Body mass index > 50 kg/m2 29. Estimated life expectancy < 24 months 30. Positive urine or serum pregnancy test in female subjects of childbearing potential 31. Currently participating in an investigational drug or another device study. |
Country | Name | City | State |
---|---|---|---|
Canada | Hamilton Health Sciences | Hamilton | Ontario |
Canada | Institut universitaire de cardiologie et de pneumologie de Québec | Québec City | Quebec |
Canada | Toronto General Hospital | Toronto | Ontario |
Canada | St. Paul's Hospital | Vancouver | British Columbia |
United Kingdom | Kings Hospital | London | |
United Kingdom | St. Thomas Hospital | London |
Lead Sponsor | Collaborator |
---|---|
Edwards Lifesciences |
Canada, United Kingdom,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Procedural Success | The number of patients with procedural success, defined as freedom from all of the following at exit from the procedure room:
Mortality Conversion to surgery Moderate or severe paravalvular regurgitation |
Day 0 | |
Secondary | Major Vascular Complications | Number of patients with major vascular complications | Discharge, expected to be within 1-5 days post-procedure] | |
Secondary | Valve Migration or Embolization | Number of patients with valve migration or embolization | Discharge, expected to be within 1-5 days post-procedure] |
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