Bicuspid Aortic Valve Clinical Trial
Official title:
Transcatheter Aortic Valve Replacement (TAVR) With Medtronic TAVR System in Patients With Severe Bicuspid Aortic Valve Stenosis and at Low Predicted Risk of Mortality With Surgical Aortic Valve Replacement (SAVR)
Verified date | April 2024 |
Source | Medtronic Cardiovascular |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
The objective of the trial is to evaluate the procedural safety and efficacy of the Medtronic TAVR system in patients with bicuspid aortic anatomy and severe aortic stenosis at low risk for SAVR
Status | Active, not recruiting |
Enrollment | 150 |
Est. completion date | December 2030 |
Est. primary completion date | November 13, 2019 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 60 Years and older |
Eligibility | Inclusion Criteria: 1. Severe aortic stenosis, defined as follows: 1. For symptomatic patients: Aortic valve area =1.0 cm2 (or aortic valve area index of =0.6 cm2/m2), OR mean gradient =40 mmHg, OR Maximal aortic valve velocity =4.0 m/sec by transthoracic echocardiography at rest 2. For asymptomatic patients: Very severe aortic stenosis with an aortic valve area of =1.0 cm2 (or aortic valve area index of =0.6 cm2/m2), AND maximal aortic velocity =5.0 m/sec, or mean gradient =60 mmHg by transthoracic echocardiography at rest, OR Aortic valve area of =1.0 cm2 (or aortic valve area index of =0.6 cm2/m2), AND a mean gradient =40 mmHg or maximal aortic valve velocity =4.0 m/sec by transthoracic echocardiography at rest, AND an exercise tolerance test that demonstrates a limited exercise capacity, abnormal BP response, or arrhythmia OR Aortic valve area of =1.0 cm2 (or aortic valve area index of =0.6 cm2/m2), AND mean gradient =40 mmHg, or maximal aortic valve velocity =4.0 m/sec by transthoracic echocardiography at rest, AND a left ventricular ejection fraction <50%. 2. Patient is considered low risk for SAVR, where low risk is defined as predicted risk of mortality for SAVR <3% at 30 days per multidisciplinary local heart team assessment. 3. Bicuspid aortic valve anatomy (all sub-types) confirmed by MDCT. 4. The subject and the treating physician agree that the subject will return for all required post-procedure follow-up visits. Exclusion Criteria: 1. Any condition considered a contraindication for placement of a bioprosthetic valve (eg, subject is indicated for mechanical prosthetic valve). 2. Age less than 60 years 3. A known hypersensitivity or contraindication to any of the following that cannot be adequately pre-medicated: 1. aspirin or heparin (HIT/HITTS) and bivalirudin 2. ticlopidine and clopidogrel 3. Nitinol (titanium or nickel) 4. contrast media 4. Blood dyscrasias as defined: leukopenia (WBC <1000 mm3), thrombocytopenia (platelet count <50,000 cells/mm3), history of bleeding diathesis or coagulopathy, or hypercoagulable states. 5. Ongoing sepsis, including active endocarditis. 6. Any percutaneous coronary or peripheral interventional procedure with a bare metal stent or drug eluting stent performed within 30 days prior to screening committee approval. 7. Multivessel coronary artery disease with a Syntax score >22 and/or unprotected left main coronary artery. 8. Symptomatic carotid or vertebral artery disease or successful treatment of carotid stenosis within 10 weeks of Heart Team assessment. 9. Cardiogenic shock manifested by low cardiac output, vasopressor dependence, or mechanical hemodynamic support. 10. Recent (within 2 months of Heart Team assessment) cerebrovascular accident (CVA) or transient ischemic attack (TIA). 11. Gastrointestinal (GI) bleeding that would preclude anticoagulation. 12. Subject refuses a blood transfusion. 13. Severe dementia (resulting in either inability to provide informed consent for the study/procedure, prevents independent lifestyle outside of a chronic care facility, or will fundamentally complicate rehabilitation from the procedure or compliance with follow-up visits). 14. Estimated life expectancy of less than 24 months due to associated non-cardiac co-morbid conditions. 15. Other medical, social, or psychological conditions that in the opinion of the investigator precludes the subject from appropriate consent or adherence to the protocol required follow-up exams. 16. Currently participating in an investigational drug or another device study (excluding registries). 17. Evidence of an acute myocardial infarction =30 days before the study procedure due to unstable coronary artery disease (WHO criteria). 18. Need for emergency surgery for any reason. 19. Subject is pregnant or breast feeding. 20. Subject is legally incompetent, or otherwise vulnerable Anatomical exclusion criteria: 21. Pre-existing prosthetic heart valve in any position. 22. Severe mitral regurgitation amenable to surgical replacement or repair. 23. Severe tricuspid regurgitation amenable to surgical replacement or repair. 24. Moderate or severe mitral stenosis amenable to surgical replacement or repair. 25. Hypertrophic obstructive cardiomyopathy with left ventricular outflow gradient. 26. Prohibitive left ventricular outflow tract calcification. 27. Sinus of Valsalva diameter unsuitable for placement of the self-expanding bioprosthesis 28. Aortic annulus diameter of <18 or >30 mm. 29. Significant ascending aortopathy requiring surgical repair 30. Ascending aorta diameter > 4.5 cm For transfemoral or transaxillary (subclavian) access: 31. Access vessel mean diameter <5.0 mm for Evolut 23R, 26R, or 29R mm TAV, or access vessel mean diameter <5.5 mm for Evolut 34R mm or Evolut PRO 23R, 26R, 29 R mm TAV. However, for transaxillary (subclavian) access in patients with a patent LIMA, access vessel mean diameter <5.5mm for Evolut 23R, 26R, or 29R mm TAV, or access vessel mean diameter <6.0 mm for the Evolut 34R or Evolut PRO TAV. |
Country | Name | City | State |
---|---|---|---|
United States | University of Michigan Health System | Ann Arbor | Michigan |
United States | Piedmont Atlanta Hospital | Atlanta | Georgia |
United States | Beth Israel Deaconess Medical Center | Boston | Massachusetts |
United States | Massachusetts General Hospital | Boston | Massachusetts |
United States | Morton Plant Hospital | Clearwater | Florida |
United States | University Hospitals Cleveland Medical Center | Cleveland | Ohio |
United States | OhioHealth Riverside Methodist Hospital | Columbus | Ohio |
United States | Baylor Jack and Jane Hamilton Heart & Vascular Hospital | Dallas | Texas |
United States | Mercy Medical Center - Des Moines | Des Moines | Iowa |
United States | HealthPark Medical Center | Fort Myers | Florida |
United States | Spectrum Health Hospital | Grand Rapids | Michigan |
United States | UPMC Pinnacle Harrisburg Campus | Harrisburg | Pennsylvania |
United States | Houston Methodist Hospital | Houston | Texas |
United States | Scripps Memorial Hospital La Jolla | La Jolla | California |
United States | North Shore University Hospital | Manhasset | New York |
United States | Aurora St. Luke's Medical Center | Milwaukee | Wisconsin |
United States | Abbott Northwestern Hospital | Minneapolis | Minnesota |
United States | Yale New Haven Hospital | New Haven | Connecticut |
United States | The Mount Sinai Hospital | New York | New York |
United States | Abrazo Arizona Heart Hospital | Phoenix | Arizona |
United States | Oregon Health & Science University Hospital | Portland | Oregon |
United States | Saint Francis Hospital | Roslyn | New York |
United States | Tallahassee Memorial Hospital | Tallahassee | Florida |
United States | Los Robles Hospital & Medical Center | Thousand Oaks | California |
United States | Paramount Heart | Winchester | Virginia |
Lead Sponsor | Collaborator |
---|---|
Medtronic Cardiovascular |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Safety: Percent of Participants With All-Cause Mortality or Disabling Stroke Rate at 30 Days Post-procedure. | Rate of of all-cause mortality or disabling stroke rate at 30 days | 30 days | |
Primary | Efficacy: Percent of Participants Who Meet All Device Success Criteria at 30 Days Post-procedure. | Device success rate, defined as:
Absence of procedural mortality, AND Correct positioning of a single prosthetic heart valve into the proper anatomical location, AND Absence of moderate or severe total prosthetic valve regurgitation (at 18 hours to 7 days) |
7 days | |
Secondary | All-Cause Mortality Rate | Rate of all cause mortality | 1 year and annually through 10 years | |
Secondary | All Stroke (Disabling and Non-Disabling) Rate | Rate of disabling and non-disabling strokes | 1 year and annually through 10 years | |
Secondary | Percent of Participants With New Permanent Pacemaker Implantation at 30 Days Post-procedure. | Rate of new permanent pacemaker implantation at 30 days post-procedure (excludes patients with pre-existing pacemaker at baseline) | 30 days | |
Secondary | Percent of Participants Who Experience a Myocardial Infarction at 30 Days Post-procedure. | The rate of myocardial infarction at 30 days | 30 days | |
Secondary | Percent of Participants With a Life-Threatening Bleeding Event at 30 Days Post-procedure. | Rate of life-threatening (or disabling) bleeding at 30 days | 30 days | |
Secondary | Percent of Participants With Prosthetic Valve Endocarditis at 30 Days Post-procedure. | Rate of prosthetic valve endocarditis at 30 days | 30 days | |
Secondary | Percent of Participant With Prosthetic Valve Thrombosis at 30 Days Post-procedure. | Rate of prosthetic valve thrombosis at 30 days | 30 days | |
Secondary | Percent pf Participants With Valve-Related Dysfunction Requiring Repeat Procedure at 30 Days Post-procedure. | Rate of valve-related dysfunction requiring repeat procedure at 30 days | 30 days | |
Secondary | Percent of Participants With a Repeat Hospitalization for Aortic Valve Disease at 30 Days Post-procedure. | Rate of repeat hospitalization for aortic valve disease at 30 days | 30 days | |
Secondary | Percent of Participants With a Repeat Hospitalization for Ascending Aorta Disease at 30 Days Post-procedure. | Rate of repeat hospitalization for ascending aorta disease at 30 days | 30 days | |
Secondary | Hemodynamic Performance Metrics by Doppler Echocardiography: Mean Aortic Gradient Reported as Mean Average at Baseline and 30 Days | Reporting of prosthetic valve hemodynamic performance by transvalvular mean aortic gradient | 30 days | |
Secondary | Hemodynamic Performance Metrics by Doppler Echocardiography: Effective Orifice Area Reported as Mean Average at Baseline and 30 Days. | Change in hemodynamic performance metrics by Doppler echocardiography measured by effective orifice area. | 30 days | |
Secondary | Hemodynamic Performance Metrics by Doppler Echocardiography: Percent of Participants With Degrees of Total Prosthetic Valve Regurgitation at Baseline and 30 Days | Reporting of prosthetic valve hemodynamic performance by degree of total prosthetic valve regurgitation at 30 days post-procedure | 30 days | |
Secondary | Hemodynamic Performance Metrics by Doppler Echocardiography: Percent of Participants With Degrees of Paravalvular Prosthetic Regurgitation at 30 Days | Reporting of prosthetic valve hemodynamic performance by degree of paravalvular regurgitation at 30 days post-procedure | 30 days | |
Secondary | Hemodynamic Performance Metrics by Doppler Echocardiography: Percent of Participants With Degrees of Transvalvular Prosthetic Regurgitation at 30 Days | Reporting of prosthetic valve hemodynamic performance by degree of transvalvular regurgitation at 30 days post-procedure | 30 days | |
Secondary | New York Heart Association (NYHA) Functional Classification at Baseline and 30 Days | Reporting of NYHA classification change from baseline to 30 days
NYHA Classification criteria: Class I: Subjects with cardiac disease but without resulting limitations of physical activity. Class I: Subjects with cardiac disease resulting in slight limitation of physical activity. Class III: Subjects with cardiac disease resulting in marked limitation of physical activity. Class IV: Subjects with cardiac disease resulting in inability to carry on any physical activity without discomfort. |
30 days | |
Secondary | Change in Health-related Quality of Life (QoL) as Assessed by Kansas City Cardiomyopathy (KCCQ) Instrument at Baseline and 30 Days | QoL overall summary (all domains below) and clinical summary (physical function and symptoms only) scores and change in summary scores from baseline using the following measures:
• KCCQ: Quantifies physical function, symptoms, social function, self-efficacy and knowledge, and quality of life. Scores are transformed to a range of 0-100, in which higher scores reflect better health status. |
30 days | |
Secondary | Health-related Quality of Life (QoL) as Assessed by European QoL (EQ-5D) at Baseline and 30 Days. | QoL summary scores and change from baseline using the following measures:
• EQ-5D: Measures 5 domains (mobility, self-care, usual activities, pain/discomfort, and anxiety/depression) that can be converted to utilities using an algorithm. Utilities range from 0 to 1, with 1 representing perfect health, and 0 corresponding to the worst imaginable health state |
30 days |
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