Caisson Transcatheter Mitral Valve Replacement (TMVR) System Early Feasibility Study (PRELUDE)

C

Caisson Interventional

Status

Active, not recruiting

Conditions

Mitral Valve Regurgitation

Treatments

Device: Caisson TMVR System

Study type

Interventional

Funder types

Industry

Identifiers

NCT02768402
001

Details and patient eligibility

About

The purpose of this study is to assess the safety and performance of the Caisson Interventional Transcatheter MitralValve Replacement (TMVR) system for the treatment of severe symptomatic MitralValve Regurgitation (MR).

Full description

The treatment guidelines for valvular heart disease indicate that surgical correction of primary mitral valve regurgitation (MR) is a Class I recommendation. Further, recent evidence indicates that valve replacement is at least as effective as repair in both primary and secondary MR patients. However, many patients are not referred for surgery as they are considered to be too high of a risk to undergo on pump, open-heart procedures. Percutaneous aortic valve replacement has made treatment of stenosed aortic valves available to high-risk surgical patients who would have otherwise been medically managed. Percutaneous mitral valve (MV) replacement offers similar advantages. Currently, the only approved percutaneous treatment for MR is MitraClip. MitraClip is limited to a specific population of high risk surgical patients with valvular prolapses that are amenable to repair by the edge to edge technique. The feasibility of percutaneous MV replacement has been shown in animal studies, the implantation of aortic valves at the mitral position, and early evaluations of purpose made transcatheter MVs in humans. To meet this medical need, Caisson Interventional has developed a percutaneous delivery system for a bioprosthetic mitral valve. As with patients with aortic valve (AV) deficiencies, this device can be used to provide needed therapy to patients who might not otherwise receive treatment beyond medical therapy. This study will provide initial information on the safety and performance of this system.

Enrollment

20 estimated patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Has severe mitral regurgitation
  • New York Heart Association (NYHA) Class II, III, IVa or heart failure
  • High risk for cardiovascular surgery

Exclusion criteria

  • Excessive calcification or thickening of mitral valve annulus, severe mitral stenosis, fused commissures, valvular vegetation or mass
  • Left ventricular end diastolic dimension > 7cm
  • Left ventricular outflow tract obstruction
  • Severe right ventricular dysfunction
  • Stroke within 90 days; transischemic attack or myocardial infarction within 30 days of the index procedure

Trial design

Primary purpose

Treatment

Allocation

N/A

Interventional model

Single Group Assignment

Masking

None (Open label)

20 participants in 1 patient group

Treatment Arm
Experimental group
Description:
All eligible patients will be in the treatment arm for the 'Caisson TMVR System' (transcatheter mitral valve replacement) procedure. No control or comparator in this study.
Treatment:
Device: Caisson TMVR System

Trial contacts and locations

13

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Data sourced from clinicaltrials.gov

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