Improving heart function in heart failure patients with electrical conduction issues

Activation Pattern and Acute Hemodynamics of His and Left Bundle Pacing

Not applicable Interventional Chinese University of Hong Kong · NCT05556018

This study is testing a new way to improve heart function in heart failure patients with electrical issues by using special pacing techniques to see if it works better than standard treatments.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment27 (estimated)
Ages18 Years and up
SexAll
SponsorChinese University of Hong Kong Academic / other
Locations1 site (Shatin)
Trial IDNCT05556018 on ClinicalTrials.gov

What this trial studies

This clinical investigation aims to evaluate the acute effects of His and left bundle pacing on heart function and conduction abnormalities in patients who are candidates for Cardiac Resynchronization Therapy (CRT). The study focuses on patients who may not respond to traditional CRT approaches, which typically involve placing pacing leads in standard locations. By utilizing electrical activation mapping, the study seeks to optimize pacing strategies for better outcomes. The goal is to enhance the effectiveness of CRT in patients with specific electrical conduction issues.

Who should consider this trial

Good fit: Ideal candidates for this study are adults aged 18 and above who are eligible for CRT therapy and have been on stable medical therapy for at least three months.

Not a fit: Patients who are pregnant or currently participating in another clinical study may not receive any benefit from this study.

Why it matters

Potential benefit: If successful, this approach could significantly improve heart function and survival rates in heart failure patients with conduction abnormalities.

How similar studies have performed: While traditional CRT approaches have been established, this specific method of His and left bundle pacing is novel and has not been extensively tested in prior studies.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Adult (aged 18 or above) of both sexes
* Candidate for CRT therapy according to international guidelines.7
* Informed consent by the patient
* Already received stable dose of guideline directed medical therapy for at least 3 months

Exclusion Criteria:

* Pregnant
* Participating in another study

Where this trial is running

Shatin

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Heart Failure
Last reviewed 2026-06-09 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.