NCT05283603

Brief Summary

The electromechanical dyssynchrony induced by the presence of LBBB is in some patients, but not all, the cause of progressive left ventricular systolic dysfunction and heart failure. Aims

  1. 1.To investigate the clinical, ECG, imaging-derived features in a large cohort of patients affected by LBBB on ECG.
  2. 2.To identify predictors of LBBB-induced LV systolic dysfunction and predictors of outcome in this population.
  3. 3.To derive data which may have an impact on therapeutic management.

Trial Health

77
On Track

Trial Health Score

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

Enrollment
1,000

participants targeted

Target at P75+ for all trials

Timeline
40mo left

Started Jul 2019

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 Progress68%
Jul 2019Jul 2029

Study Start

First participant enrolled

July 31, 2019

Completed
1.9 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 10, 2021

Completed
9 months until next milestone

First Submitted

Initial submission to the registry

February 25, 2022

Completed
20 days until next milestone

First Posted

Study publicly available on registry

March 17, 2022

Completed
7.4 years until next milestone

Study Completion

Last participant's last visit for all outcomes

July 31, 2029

Expected
Last Updated

March 17, 2022

Status Verified

February 1, 2022

Enrollment Period

1.9 years

First QC Date

February 25, 2022

Last Update Submit

March 12, 2022

Conditions

Outcome Measures

Primary Outcomes (1)

  • Left ventricular dysfunction

    Echocardiographic left ventricular ejection fraction - EF (%)

    20 years

Secondary Outcomes (1)

  • Adverse cardiovascular events (e.g., heart failure)

    20 years

Interventions

Clinical and instrumental follow-up

Eligibility Criteria

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

Patients with LBBB

You may qualify if:

  • LBBB on ECG

You may not qualify if:

  • Previous extensive anterior myocardial infarction
  • Previous cardiac surgery or transcatheter aortic valve implantation (TAVI)
  • Congenital structural heart disease
  • Patients implanted with permanent right ventricular stimulation devices and permanent pacing
  • Denial to consent

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Cardiology, AOU Sassari

Sassari, 07100, Italy

RECRUITING

Related Publications (3)

  • Sanna GD, De Bellis A, Zecchin M, Beccu E, Carta P, Moccia E, Canonico ME, Parodi G, Sinagra G, Merlo M. Prevalence, clinical and instrumental features of left bundle branch block-induced cardiomyopathy: the CLIMB registry. ESC Heart Fail. 2021 Dec;8(6):5589-5593. doi: 10.1002/ehf2.13568. Epub 2021 Sep 12.

    PMID: 34510787BACKGROUND
  • Sanna GD, Merlo M, Moccia E, Fabris E, Masia SL, Finocchiaro G, Parodi G, Sinagra G. Left bundle branch block-induced cardiomyopathy: a diagnostic proposal for a poorly explored pathological entity. Int J Cardiol. 2020 Jan 15;299:199-205. doi: 10.1016/j.ijcard.2019.06.008. Epub 2019 Jun 4.

    PMID: 31186131BACKGROUND
  • Moccia E, Sanna GD, Parodi G. Transient left bundle branch block and intraventricular dyssynchrony as a cause of reversible left ventricular dysfunction: The "in vivo" documentation of spontaneous electrical remodeling. Ann Noninvasive Electrocardiol. 2019 Nov;24(6):e12667. doi: 10.1111/anec.12667. Epub 2019 May 29.

    PMID: 31141243BACKGROUND

MeSH Terms

Conditions

Bundle-Branch Block

Interventions

ElectrocardiographyEchocardiographyMagnetic Resonance Imaging

Condition Hierarchy (Ancestors)

Heart BlockArrhythmias, CardiacHeart DiseasesCardiovascular DiseasesCardiac Conduction System DiseasePathologic ProcessesPathological Conditions, Signs and Symptoms

Intervention Hierarchy (Ancestors)

Heart Function TestsDiagnostic Techniques, CardiovascularDiagnostic Techniques and ProceduresDiagnosisElectrodiagnosisCardiac Imaging TechniquesDiagnostic ImagingUltrasonographyTomography

Central Study Contacts

Giuseppe D Sanna, MD PhD

CONTACT

Giuseppe D Sanna, MD PhD

CONTACT

Study Design

Study Type
observational
Observational Model
CASE ONLY
Time Perspective
PROSPECTIVE
Target Duration
20 Years
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
MD PhD

Study Record Dates

First Submitted

February 25, 2022

First Posted

March 17, 2022

Study Start

July 31, 2019

Primary Completion

June 10, 2021

Study Completion (Estimated)

July 31, 2029

Last Updated

March 17, 2022

Record last verified: 2022-02

Locations