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A clinical trial to study the effect of two pacemaker modes - committed pacing and backup pacing, in patients undergoing pacemaker implantation for symptomatic Left Bundle Branch Block

Functional and Echocardiographic outcomes of committed pacing verses backup pacing in patients undergoing conduction system pacing for symptomatic LBBB. - EFFECtive PaCing

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2022/09/045541
Enrollment
40
Registered
2022-09-15
Start date
Unknown
Completion date
Unknown
Last updated
2022-10-17

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Health Condition 1: I447- Left bundle-branch block, unspecified

Interventions

Intervention1: Committed pacing: Patients postpacemaker implantation will be programmed to pacing 100% of the time for 6 months. After 6months, patient will be crossed over to other arm Control Interv

Sponsors

Christian Medical College Vellore Tamilnadu India
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: 1.Sinus Rhythm [SR] with Symptomatic LBBB 2.EF > 50% 3.Patients undergoing successful conduction system pacing with correction of LBBB

Exclusion criteria

Exclusion criteria: 1. V pacing percentage > 40% 1 2. Structural heart disease 3. Inability for functional assessment such as physical disability or orthopedic problem 4.Not giving consent for study

Design outcomes

Primary

MeasureTime frame
1.Echocardiographic parameters: Global longitudinal strain difference between the two groups 2.Functional assessment: Difference in METS achieved in modified bruce protocolTimepoint: 6months and 12 months—

Secondary

MeasureTime frame
1.Any admission for heart failure 2.Any change in NYHA class 3.Difference in exertion time in modified Bruce protocol 4.Difference in distance covered in 6-minute walk distance test 5.Any change in NT-proBNP level Timepoint: 6months and 12 months—

Countries

India

Contacts

Public ContactAnand M

Christian Medical College

dranandchn@gmail.com8138032331

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Feb 4, 2026