HighLife™ Transcatheter Mitral Valve Replacement System Study
- Conditions
- Mitral Valve InsufficiencyMitral Valve Regurgitation
- Interventions
- Device: Transcatheter Mitral Valve Replacement
- Registration Number
- NCT02974881
- Lead Sponsor
- HighLife SAS
- Brief Summary
Multicenter feasibility study of the HighLife™ TMVR system.
- Detailed Description
This is an exploratory clinical study designed to evaluate the feasibility, safety and performance of the Highlife TMVR System in a population of patients with severe symptomatic mitral regurgitation, who are not suitable for surgical or approved percutaneous treatments according to the judgement of the Heart Team. The data gathered in this study will allow to evaluate the feasibility of mitral replacement using the HighLife™ TMVR system and characterize the safety and performance profile of the HighLife™ TMVR System.
All patients will be followed periodically up to 12 months after the intervention and long term safety and performance will be collected annually up to 5 years.
Recruitment & Eligibility
- Status
- COMPLETED
- Sex
- All
- Target Recruitment
- 5
- Age ≥ 18 years
- Severe mitral regurgitation
- New York Heart Association (NYHA) Functional Class II, III or ambulatory IV.
- Patient is under maximally tolerated GDMT (incl. CRT) for at least 3 months
- Multidisciplinary Heart Team consensus that the patient is inoperable or at high-risk for surgical repair/replacement due to significant co-morbid conditions
- Multidisciplinary Heart Team consensus that the patient is not a suitable candidate for other approved percutaneous repair therapy due to anatomical or medical conditions
- Patient meets the anatomical criteria for HighLife valve sizing as determined by CT and TEE
Main
- Mitral stenosis
- Rheumatic valve disease
- Severe calcifications of the mitral annulus and/or mitral leaflets
- Prior surgical or interventional treatment of the mitral valve
- Unsuitable anatomy for the transapical access
- Unsuitable anatomy of the aorta and ilio-femoral vessels for the transfemoral access
- Untreated clinically significant coronary artery disease requiring revascularization
- LVEF < 30%
- LVEDD > 70mm
- Echocardiographic evidence of intracardiac mass, thrombus or vegetation
- Hypertrophic Obstructive Cardiomyopathy (HOCM)
- Any surgical or interventional procedure (including PCI) done in the past 30 days prior to procedure
Study & Design
- Study Type
- INTERVENTIONAL
- Study Design
- SINGLE_GROUP
- Arm && Interventions
Group Intervention Description transcatheter mitral valve replacement Transcatheter Mitral Valve Replacement HighLife TMVR System is a novel and innovative approach developed as an alternative treatment for severe MR when medical treatment is maximal and surgical interventions not possible or at high risk. The HighLife TMVR system is composed of a Transcatheter Mitral Valve (TMV), a sub-annular implant (SAI), and their delivery systems and loading tools. The HighLife Valve is a 31 mm mitral bioprosthesis made of a self-expanding Nitinol frame covered with polyester graft and supporting bovine pericardium leaflets. The bioprosthesis is used in conjunction with the Sub-Annular Implant (SAI).
- Primary Outcome Measures
Name Time Method Technical success immediately after procedure defined as alive patient at exit from procedure room, with all of the following:
* Successful access, delivery and retrieval of the HighLife delivery systems
* Deployment and correct positioning of the HighLife bioprosthesis
* Freedom of additional emergency surgery or re-intervention related to the device or access procedureFreedom of major adverse events at 30 days post procedure including:
* All-cause mortality
* Myocardial infarction or coronary ischemia requiring PCI or CABG
* Major stroke
* Life-threatening bleeding (MVARC scale)
* Major access and vascular complications
* Stage 2 or 3 acute kidney injury (includes dialysis)
* Any valve-related dysfunction, migration, thrombosis, or other complication requiring surgery or repeat intervention
* Severe hypotension, heart failure or respiratory failure requiring intravenous pressors or invasive or mechanical heart failure treatments such as ultrafiltration or hemodynamic assist devices, including intra-aortic balloon pumps or left ventricular or biventricular assist devices, or prolonged intubation for ≥ 48HContinued intended performance of the HighLife™ bioprosthesis at 30 days post procedure defined as the reduction of mitral regurgitation (MR) to either optimal (0+ to trace) or acceptable (reduced by at least 1 grade from baseline with no more than 2+ MR) without significant mitral stenosis (post-procedure EOA ≥ 1.5 cm2 with a transmitral gradient \< 5mmHg) and with no greater than mild (1+) paravalvular MR (and without associated hemolysis)
- Secondary Outcome Measures
Name Time Method Device Success (per MVARC definitions) At 30 days, 6 months and 12 months post procedure per MVARC definition
Patient Success At 30 days, 6 months and 12 months post procedure per MVARC definition
Quality of Life Improvement vs. Baseline At 6 months and 12 months Kansas City Cardiomyopathy Questionnaire
Procedure Success At 30 days, 6 months and 12 months post procedure per MVARC definition
Hemodynamic Performance vs. Baseline At 7 days, 30 days, at 6 months and 12 months and at 2, 3, 4 and 5 years Echocardiographic evaluation
Functional Improvement vs. Baseline At 30 days, 6 months and 12 months New York Heart Association Class 6-Minute Walk Test
Trial Locations
- Locations (10)
CHU Nantes
🇫🇷Nantes, France
CHRU Lille
🇫🇷Lille, France
CHU Rennes Pontchaillou
🇫🇷Rennes, France
Universitäres Herzzentrum Hamburg GmbH (UHZ)
🇩🇪Hamburg, Germany
Hôpital Privé Jacques Cartier
🇫🇷Massy, France
Universitätsklinikum
🇩🇪Bonn, Germany
Herzzentrum Leipzig
🇩🇪Leipzig, Germany
Groupe Hospitalier Pitié-Salpétrière Institut de Cardiologie
🇫🇷Paris, France
CHU Toulouse Rangueil
🇫🇷Toulouse, France
Deutsches Herzzentrum München des Freistaates Bayern
🇩🇪Munich, Germany