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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT01924221
Other study ID # NA_00065477
Secondary ID
Status Completed
Phase
First received
Last updated
Start date December 2011
Est. completion date August 1, 2022

Study information

Verified date August 2022
Source Johns Hopkins University
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

Cardiac resynchronization therapy with pacemaker alone, or in combination with a cardioverter-defibrillator, prolongs life and decreases risk of heart failure exacerbation in patients with low ejection fraction and wide QRS. Some patients achieve decrease in QRS duration 6 months after cardiac resynchronization therapy. Such phenomenon is called reverse electrical remodeling of native conduction. Retrospective analysis showed that reverse electrical remodeling of the native conduction after at least 6 months of CRT is associated with decreased rate of ventricular arrhythmias and better survival. This study is designed to study reverse electrical remodeling prospectively.


Recruitment information / eligibility

Status Completed
Enrollment 31
Est. completion date August 1, 2022
Est. primary completion date August 1, 2022
Accepts healthy volunteers No
Gender All
Age group 18 Years to 100 Years
Eligibility Inclusion Criteria: - patients undergoing implantation of a CRT-D Exclusion Criteria: - age < 18 y - pregnancy or planned pregnancy

Study Design


Related Conditions & MeSH terms


Locations

Country Name City State
United States Johns Hopkins Hospital Baltimore Maryland

Sponsors (1)

Lead Sponsor Collaborator
Johns Hopkins University

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary correlation between electrical and mechanical remodeling correlation between electrical and mechanical measures of dyssynchrony 6 months after CRT implantation
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