Transcatheter Self-expandable Valve Implantation for the Treatment of Severe Native Aortic Regurgitation

Trial statusRecruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age60-90
SponsorNanjing First Hospital, Nanjing Medical University

About this trial

Prospective, multicenter, randomized trial.

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

Procedural indications: symptomatic severe aortic regurgitation; no symptom plus left ventricular ejection fraction ≤ 55% or left ventricular end-diastolic dimension (LVEDD) > 65mm or left ventricular end-systolic dimension (LVESD) > 50mm;

Severe aortic valve regurgitation, and mean pressure gradient < 20mmHg; Annular perimeter ≤ 85 mm;

The ratio of the perimeter of the left ventricular outflow tract 4mm to the perimeter of the valve annulus is 0.95-1.05;

Severe aorta calcification or active ascending aorta atherosclerotic plaque

Disqualifiers

Age < 60 years old;

Ascending aorta diameter >45mm;

Coronary multi-vessel disease (SYNTAX score >32);

Life expectancy <1 year;

Trial design

Design model

Parallel

Treatments tested in this trial

  • Transcatheter Aortic Valve Implantation

    Device

    The VitaFlow™ system (MicroPort®, Shanghai, China) was a novel TAVR system, which incorporates high-radial force and a double layer polyethylene terephthalate (PET) skirt to optimize frame geometry and minimize the risks of paravalvular leak (PVL). The VitaFlow™ transcatheter aortic valve is made of a self-expanding nitinol frame and tri-leaflet bovine pericardial valve.

  • Medical therapy

    Drug

    Angiotensin-neprilysin inhibition (ARNI), diuretics, dihydropyridine calcium channel blocker, angiotensin-converting enzyme (ACE) inhibitors/angiotensin receptor blockers (ARBs) or beta blockers.

Treatment groups

210 Participants
are divided into 2 treatment groups
Group A: Medical therapyActive comparator 1 intervention
Group B: Transcatheter Aortic Valve ImplantationExperimental treatment 1 intervention

Trial outcomes

Primary outcomes

1

Clinical worsening

A composite of all cause death, disabling stroke, or heart failure rehospitalization

Time frame
12 months

Secondary outcomes

1

Procedural complications

Any aortic dissection, annular rupture, coronary artery occlusion, vascular complications, permanent pacemaker implantation.

Time frame
12 months
2

6-minute walk distance

This test measures the distance that a patient can quickly walk on a flat, hard surface in a period of 6 minutes.

Time frame
12 months
3

New York Heart Association (NYHA) functional class

Classification of function capacity of the NYHA.

Time frame
12 months
4

Stroke

Stroke is defined as an acute episode of focal or global neurological dysfunction caused by the brain, spinal cord, or retinal vascular injury as a result of hemorrhage or infarction.

Time frame
12 months

Other outcomes

Sponsors and contacts

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