Other Clinical Trial - Primary Mitral Regurgitation Repair

Status Enrolling by invitation

Clinical Trial Summary

This longitudinal cohort study evaluates the relationship of myocardial tissue markers characteristics assessed by cardiac MRI, with clinical measures of symptoms and functions in adults with primary mitral regurgitation. Participants are followed conservatively or may choose to undergo surgical repair at the discretion of their clinical team.

Clinical Trial Description

The transition from compensated to decompensated chronic primary mitral regurgitation remains poorly understood in the clinical setting. Changes at the myocardial tissue level, such as scar formation and decreased contractility, have been implicated in the end stage, decompensated phase of this disease entity.

Advances in cardiac MRI (CMR) have enabled non-invasive characterization of the myocardial tissue components, such as cardiomyocyte volume and extracellular matrix, and tissue contractility. These measures have been well validated in various cardiac pathologies with biopsy studies but only at single time points.

In this study, adults with isolated chronic primary regurgitation will be followed conservatively over at least a year to determine the natural progression of these CMR-derived markers over time and to investigate the prognostic potential of these markers for clinically assessed functional capacity and symptoms. These participants may elect to undergo any valvular intervention at the discretion of their treating clinical team.

Alongside this arm, similar adults with isolated chronic primary regurgitation will be recruited, who have elected upfront to undergo surgical repair. These patients will be similarly studied to determine reverse remodeling of these CMR-derived markers over time and to investigate the prognostic potential of these markers for the same clinical outcomes. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT04067635
Study type	Observational
Source	The Methodist Hospital System
Contact
Status	Enrolling by invitation
Phase
Start date	May 25, 2018
Completion date	June 2021

View Details

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