Noninferiority Trial of MitraClip Implantation Strategies: 1 Clip vs. 2 Clips in Patients With Functional Mitral Regurgitation (One-Plus-One)

A

Asklepios proresearch

Status

Withdrawn

Conditions

Mitral Regurgitation Functional

Treatments

Device: MitraClip implantation

Study type

Interventional

Funder types

Industry

Identifiers

NCT03503851
#3150

Details and patient eligibility

About

Implantation of the MitraClip has become the most frequently used percutaneous technique to treat significant (grade 3+ or 4+) mitral regurgitation (MR) in elderly patients deemed inoperable or at high surgical risk. In Europe, about two-thirds of patients treated with the MitraClip suffer from MR of functional origin secondary to ischemic or dilated cardiomyopathy. At present, there is debate among operators on whether stabilizing/supporting a single adequately implanted clip with a second clip is beneficial for patients with functional MR.

Full description

Implantation of the MitraClip has become the most frequently used percutaneous technique to treat significant (grade 3+ or 4+) mitral regurgitation (MR) in elderly patients deemed inoperable or at high surgical risk. In Europe, about two-thirds of patients treated with the MitraClip suffer from MR of functional origin secondary to ischemic or dilated cardiomyopathy. At present, there is debate among operators on whether stabilizing/supporting a single adequately implanted clip with a second clip is beneficial for patients with functional MR. Purpose To demonstrate the noninferiority of a 1-clip strategy vs. a 2-clip strategy of MitraClip implantation, when the second clip in the 2-clip study arm is implanted for stabilizing/supporting purposes.

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Absence of a structural abnormality of the mitral valve giving rise to MR.
  • MR severity of US grade 3+ or 4+ of central or noncentral origin
  • Patient must consent to randomization in the hybrid operating theater upon successful implantation of a single MitraClip. Written informed consent must be provided prior to the MitraClip procedure.

Exclusion criteria

  • patients with primary regurgitation

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

0 participants in 2 patient groups

One CLIP
Active Comparator group
Description:
Implantation of single MitraClip
Treatment:
Device: MitraClip implantation
Two CLIPs
Active Comparator group
Description:
Implantation of second MitraClip (after successful Implantation of single MitraClip)
Treatment:
Device: MitraClip implantation

Trial contacts and locations

0

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Data sourced from clinicaltrials.gov

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