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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT02987894
Other study ID # 2016-02
Secondary ID
Status Completed
Phase
First received
Last updated
Start date January 2, 2017
Est. completion date September 2019

Study information

Verified date April 2020
Source Boston Scientific Corporation
Contact n/a
Is FDA regulated No
Health authority
Study type Observational [Patient Registry]

Clinical Trial Summary

The purpose of this post-market registry is to collect and monitor ongoing safety and performance clinical data of the ACURATE neo™ Aortic Bioprosthesis, and the ACURATE TF™ Transferral Delivery System, when used as per IFU.


Description:

The primary objective of this post-market registry is to further evaluate the safety and performance of the ACURATE neo™ Aortic Bioprosthesis and the ACURATE TF™ Transferral Delivery System in 500 consented patients with severe aortic stenosis and treated according to the instructions for use (IFU).

Examinations to evaluate the aortic valve regurgitation performed as standard of care in patients undergoing transcatheter aortic valve replacement will be analyzed by an external Core Laboratory. These examinations are limited to echocardiography and/or contrast aortography assessments.

The secondary objective is to collect adverse events and evaluate them according to the VARC-2 consensus document.


Recruitment information / eligibility

Status Completed
Enrollment 500
Est. completion date September 2019
Est. primary completion date September 2019
Accepts healthy volunteers No
Gender All
Age group 75 Years and older
Eligibility Inclusion Criteria:

1. Patient is included in the registry if eligible for transcatheter treatment of severe aortic stenosis with the ACURATE neo™ Aortic Bioprosthesis and ACURATE TF™ Transfemoral Delivery System as per the Instructions for Use (Patients which are included but treated outside of the approved indication will be followed for safety reasons).

2. Patient is willing to participate in the study, provides signed Informed Consent/Data Authorization Form and authorizes the sharing of data in the registry. Patient agrees that anonymized imaging data will be sent to and analyzed by an external Core Laboratory.

3. The treating physician should ensure the subject will return for all required post procedure follow-up visits.

Exclusion Criteria:

1. Patients are excluded from the registry if they are not eligible for transcatheter treatment of severe aortic stenosis with the ACURATE neo™ Aortic Bioprosthesis and ACURATE TF™ Transfemoral Delivery System as per the Instructions For Use.

Study Design


Intervention

Device:
ACURATE neo™ Aortic Bioprosthesis
TAVI, transcatheter aortic valve replacement. Transfemoral access.

Locations

Country Name City State
Canada London Health Sciences Centre, University Hospital London Ontario
Canada Saint Paul's Hospital, Porvidence Health Care Institute Vancouver
Germany Klinikum Augsburg Augsburg
Germany Zentralklinik Bad Berka Bad Berka
Germany Kerkhoff Kilnik Bad Nauheim
Germany Immanuel Hospital Bernau- Herzzentrum Brandenburg Bernau
Germany Sana-Herzzentrum Cottbus GmbH Cottbus
Germany St Johannes Hospital Dortmund
Germany Goethe Universität Frankfurt
Germany Universitätklinikum Giessen Giessen
Germany Universitätsklinikum Halle Halle
Germany Universitätsklinikum Jena Jena
Germany Helios Klinik Fur Herzzchirurgie Karlsruhe Karlsruhe
Germany Städisches Klinikum Karlsruhe GmbH Karlsruhe
Germany Universitätsklinikum Köln
Germany Sana Herzzentrum Leipzig Leipzig
Germany Universitätsklinikum Münster Münster
Germany Städische Kliniken Neuss
Germany Universitätsklinikum Tübingen Tübingen
Italy Ospedale Civile di Legnano Legnano
Italy Fondazione Toscana G.Monasterio, Ospedale del Cuore G.Pasquinucci Massa
United Kingdom University Hospital NHS Leicester
United Kingdom Oford University Hospital Oxford

Sponsors (1)

Lead Sponsor Collaborator
Symetis SA

Countries where clinical trial is conducted

Canada,  Germany,  Italy,  United Kingdom, 

Outcome

Type Measure Description Time frame Safety issue
Primary Change in total aortic regurgitation over time. total aortic regurgitation post procedure, at 7 days or discharge, 30 days and 12 months follow-up post-implantation on index procedure date, 7- days post-index procedure / discharge (whichever occurs first), 30 days post-index procedure and 12 months post-index procedure
Secondary Incidence of all-cause mortality Incidence of all-cause mortality at 30 days post index procedure 30 days post-index procedure
Secondary Clinical events as defined per VARC-2 consensus document (VARC-2) Clinical events as defined per VARC-2 consensus document Procedure, 7 days post-index procedure / discharge (whichever occurs first), 30 days post-index procedure and 12 months post-index procedure
Secondary Number of patients with procedural success according to VARC II criteria Procedural success is defined as
Absence of intra-procedure mortality and complications arising during implantation of the prosthetic valve such as:
inability to properly seat the valve in the annulus
need for more than one implanted aortic bioprosthesis (valve-in-valve or ectopic deployment)
surgical aortic valve replacement required to correct a severe aortic regurgitation or procedure complication The procedure can be considered as success despite the presence of residual aortic regurgitation which may be due to the anatomic configuration of the annulus or a calcific valvular annulus.
at index- Procedure
Secondary Number of patients with device success Device success is defined as:
Absence of intra-procedure mortality (procedure to 24H) AND,
Correct positioning (placement in the annulus with no impairment of aortic bioprosthesis function) of a single prosthetic heart valve into the proper anatomical location AND,
Intended performance of the prosthetic heart valve:
No prosthesis-patient mismatch (EAOi >0.85 cm2/m2) AND,
Mean aortic valve gradient <20mmHg or peak velocity < 3 m/s AND,
No moderate or severe prosthetic valve regurgitation.
In evaluating echo parameters, values at 7D/Discharge (whichever occurs first) will be used for each of the echo parameters above. If any of echo parameters is missing at 7-days or discharge, post-procedure data may be used for the missing values. If device success or failure cannot be determined due to missing of parameters listed above or un-evaluable echocardiography assessment, device success will be considered not obtainable.
7-days post-index procedure or discharge (whichever occurs first)
Secondary Number of patients with adverse events assessed by VARC-2 Composite Safety VARC-2 Composite Safety at 30 days defined as:
All-cause mortality
All stroke (disabling and non-disabling)
Life-threatening bleeding
Acute kidney injury - Stage 2 or 3 (including renal replacement therapy)
Coronary artery obstruction requiring intervention
Major vascular complication
Valve-related dysfunction requiring repeat procedure (BAV, TAVI or SAVI)
30 days post-index procedure
Secondary Functional improvement Functional improvement from baseline as per NYHA Functional Classification 7 days post-index procedure or discharge (whichever occurs first), 30 days post-index procedure and 12 months post-index procedure
Secondary Hemodynamic function improvement from baseline Improvement from baseline of the hemodynamic function: effective orifice area and mean transprosthetic gradient 7 days post-index procedure or discharge (whichever occurs first), 30 days post-index procedure and 12 months post-index procedure
Secondary Valve related dysfunction Valve related dysfunction defined as: mean aortic valve gradient = 20mmHg, EOA =0.9-1.1 cm2, and/or DVI< 0.35, and/or moderate or severe prosthetic valve regurgitation (See VARC-2 and Figure 4 from VARC manuscript) 7 days post-index procedure or discharge (whichever occurs first), 30 days post-index procedure and 12 months post-index procedure
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