CoreValve™ Evolut R™ 34 mm System Registry (CoreValve34)

Overview

With the introduction of the CoreValve™ Evolut R™ 34mm (Medtronic™) prosthesis, patients with severe symptomatic aortic stenosis (AS) and large aortic annulus have become eligible for transcatheter aortic valve implantation (TAVI). The aim of this study is to detect the number of TAVI candidates with large aortic annulus, and to evaluate the feasibility, efficacy, and safety of TAVI using the CoreValve™ Evolut R™ 34mm.

Full Title of Study: “Multicenter Ambispective Study of Clinical Outcomes of the CoreValve™Evolut R™ 34mm System: All Comers Post-market Registry”

Study Type

  • Study Type: Observational
  • Study Design
    • Time Perspective: Prospective
  • Study Primary Completion Date: July 2020

Detailed Description

With the current transcatheter valves available in the market, is possible to cover a wide range of patients with diverse and complex anatomies. Nevertheless, there is a subgroup of patient with large aortic annulus (diameter > 27 mm), in whom the implant of a transcatheter valve is not possible because there is no valve suitable for such as aortic annulus size. With the introduction of the CoreValveTM EvolutionTM R 34mm, patients with an aorttic annulus dimension up to 29 mm in diameter have become eligible for TAVI. However, there is a lack of information regarding the number of patient with AS and this particular anatomy of the aortic annulus. Italian and Dutch registries have reported a prevalence between 6.5 to 12.3% with large aortic annulus requiring the previous CoreValveTM 31mm. Yet, there is no reported data regarding this population of patients in Spain. Also, the clinical use of this larger prosthesis covers a wider range of aortic rings and may enchance the procedural challenges, such as a little margin for proper valve placement, more likelihood of interference with mitral valve function and damage to the cardiac conduction system during the prosthesis deployment. So far, no studies regarding clinical experiences with the CoreValveTM EvolutionTM R 34mm have been published. The scarce information currently available with this new device may be distant from those found in its daily clinical use in non-selected patients. The results of this Spanish nationwide registry will help to answer a scientific need of information regarding acute procedural results and mid

Arms, Groups and Cohorts

  • CoreValve™ Evolut R™ 34mm
    • All consecutive real-world patients with aortic stenosis selected for TAVI as part of routine clinical care, using a CoreValve™ Evolut R™ 34mm during the inclusion period will be entered the registry.

Clinical Trial Outcome Measures

Primary Measures

  • Safety: Stroke
    • Time Frame: 12 months
    • Stroke (disabling), dichotomous qualitative variable: yes/no
  • Efficacy: prosthetic regurgitation at early post TAVI
    • Time Frame: 12 months
    • Percent of subjects with ≤ mild prosthetic regurgitation at early post-implant (mild, Moderate or Severe)
  • Safety:Incidence of permanent pacemaker implant rate
    • Time Frame: 12 months
    • Incidence of permanent pacemaker implant rate, dichotomous qualitative variable: yes/no

Participating in This Clinical Trial

Inclusion Criteria

  • Subjects ≥ 18 years of age. – Subject accepted participate and signed informed consent. – Subject with severe symptomatic AS patients selected for TAVI by the Heart Team of each participating hospital. – Patients anatomically suitable for the implantation of a CoreValve™ Evolut R™ 34mm with the approved indications by any feasible and appropriate vascular routes. – Subject must agree to undergo all follow-up visits Exclusion Criteria:

  • High probability of non-adherence to the follow-up requirements. – Explicit refusal of participation in the registry.

Gender Eligibility: All

Minimum Age: 18 Years

Maximum Age: N/A

Are Healthy Volunteers Accepted: No

Investigator Details

  • Lead Sponsor
    • Fundacin Biomedica Galicia Sur
  • Provider of Information About this Clinical Study
    • Sponsor
  • Overall Official(s)
    • Victor A Jiménez Díaz, MD, MPH, Principal Investigator, Hospital Álvaro Cunqueiro
    • Pablo Jiménez Díaz, MD, MPH, Study Director, Hospital Álvaro Cunqueiro

References

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Leon MB, Smith CR, Mack M, Miller DC, Moses JW, Svensson LG, Tuzcu EM, Webb JG, Fontana GP, Makkar RR, Brown DL, Block PC, Guyton RA, Pichard AD, Bavaria JE, Herrmann HC, Douglas PS, Petersen JL, Akin JJ, Anderson WN, Wang D, Pocock S; PARTNER Trial Investigators. Transcatheter aortic-valve implantation for aortic stenosis in patients who cannot undergo surgery. N Engl J Med. 2010 Oct 21;363(17):1597-607. doi: 10.1056/NEJMoa1008232. Epub 2010 Sep 22.

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Attizzani GF, Ohno Y, Latib A, Petronio AS, Giannini C, Ettori F, Curello S, Bedogni F, Todaro D, Brambilla N, Bruschi G, Colombo P, Presbitero P, Fiorilli R, Poli A, Martina P, Colombo A, Barbanti M, Tamburino C. Acute and long-term (2-years) clinical outcomes of the CoreValve 31mm in large aortic annuli: A multicenter study. Int J Cardiol. 2017 Jan 15;227:543-549. doi: 10.1016/j.ijcard.2016.10.104. Epub 2016 Nov 1.

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