NCT06969924

Brief Summary

This study aims to evaluate the real-world effects of cardiac resynchronization therapy (CRT) in adult patients with congenital heart disease (ACHD). Specifically, it seeks to determine whether CRT improves clinical outcomes in this unique patient population and to identify factors associated with a favorable response to therapy.

Trial Health

77
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
100

participants targeted

Target at P50-P75 for all trials

Timeline
33mo left

Started Jan 2014

Longer than P75 for all trials

Geographic Reach
1 country

1 active site

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress82%
Jan 2014Dec 2028

Study Start

First participant enrolled

January 1, 2014

Completed
11.3 years until next milestone

First Submitted

Initial submission to the registry

April 29, 2025

Completed
15 days until next milestone

First Posted

Study publicly available on registry

May 14, 2025

Completed
3.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 31, 2028

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2028

Last Updated

May 14, 2025

Status Verified

April 1, 2025

Enrollment Period

15 years

First QC Date

April 29, 2025

Last Update Submit

May 13, 2025

Conditions

Keywords

Adult congenital heart diseaseCardiac resynchronization therapyACHDCRTHeart failureHF

Outcome Measures

Primary Outcomes (3)

  • QRS duration

    Evaluation of the longitudinal effect of CRT on the duration (in ms) of the QRS interval on surface ECG

    From enrollment through study completion, with an average follow-up duration of 1 year.

  • Systemic ventricle function class

    Evaluation of the longitudinal effect of CRT on the echocardiographic functional classification of the systemic ventricle (i.e., normal, mildly reduced, moderately reduced, severely reduced)

    From enrollment through study completion, with an average follow-up duration of 1 year.

  • NYHA functional class

    Evaluation of the longitudinal effect of CRT on the NYHA functional classification (i.e., Class I, II, III, IV)

    From enrollment through study completion, with an average follow-up duration of 1 year.

Secondary Outcomes (27)

  • Clinical - Mortality

    From enrollment through study completion, with an average follow-up duration of 1 year.

  • Clinical - Heart failure hospitalization

    From enrollment through study completion, with an average follow-up duration of 1 year.

  • Clinical - CV hospitalization other than HF

    From enrollment through study completion, with an average follow-up duration of 1 year.

  • Clinical - Urgent heart failure visit

    From enrollment through study completion, with an average follow-up duration of 1 year.

  • Clinical - Urgent CV visit other than HF

    From enrollment through study completion, with an average follow-up duration of 1 year.

  • +22 more secondary outcomes

Study Arms (1)

ACHD patients with CRT

All participants included in the registry have to have a congenital heart defect, be ≥ 18 years old and have to have a CRT pacemaker or defibrillator

Device: Cardiac resynchronization therapy

Interventions

Cardiac resynchronization therapy pacemaker or defibrillator with a transvenous or epicardial systemic ventricle lead

ACHD patients with CRT

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

All adult congenital heart disease patients who received cardiac resynchronization therapy.

You may qualify if:

  • ACHD patients who underwent CRT implantation

You may not qualify if:

  • Less than 18 years old on the moment of CRT implantation
  • Patient objection to the use of retrospective data

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Leiden University Medical Center (LUMC)

Leiden, South Holland, 2333ZA, Netherlands

RECRUITING

MeSH Terms

Conditions

Heart Defects, CongenitalHeart Failure

Interventions

Cardiac Resynchronization Therapy

Condition Hierarchy (Ancestors)

Cardiovascular AbnormalitiesCardiovascular DiseasesHeart DiseasesCongenital AbnormalitiesCongenital, Hereditary, and Neonatal Diseases and Abnormalities

Intervention Hierarchy (Ancestors)

Cardiac Pacing, ArtificialElectric Stimulation TherapyTherapeutics

Central Study Contacts

Anastasia D. Egorova, MD, PhD

CONTACT

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
RETROSPECTIVE
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
MD, PhD

Study Record Dates

First Submitted

April 29, 2025

First Posted

May 14, 2025

Study Start

January 1, 2014

Primary Completion (Estimated)

December 31, 2028

Study Completion (Estimated)

December 31, 2028

Last Updated

May 14, 2025

Record last verified: 2025-04

Locations