Clinical trial No longer in our active list Observational Ages 18 to 100

Observing the effects of different cardiac pacing methods

Official title: Study of the Efficacy and Safety of Cardiac Pacing of Different Sites

Run by Second Affiliated Hospital, School of Medicine, Zhejiang University · NCT04919447 · Data updated 2026-05-14

This study is no longer in our active list. It may have stopped recruiting or finished. The details below are as of 2026-05-14 and are kept for reference. Check ClinicalTrials.gov for its current status, or see similar studies below.

This study looks at how different ways of placing a pacemaker can affect people with slow heartbeats and heart failure to see which method works best and is safest.

Quick facts

Study typeObservational
Ages18 Years to 100 Years
SexAll
Enrollment540 (estimated)
SponsorSecond Affiliated Hospital, School of Medicine, Zhejiang University
Academic / other
Locations1 site (Hangzhou, Zhejiang)
Trial IDNCT04919447 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this study are patients who have received a pacemaker implantation at the Second Hospital of Zhejiang Medical University.

Probably not a fit

Patients who are unable to understand the study or unwilling to provide informed consent will not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This observational study focuses on patients who have undergone pacemaker implantation for bradyarrhythmias and heart failure. It aims to evaluate the short-term and long-term effects and safety of various cardiac pacing locations, including the left bundle branch and left ventricular pacing. By comparing the efficacy of different pacing strategies, the study seeks to identify the advantages and disadvantages of each approach in real-world clinical practice. The research is conducted at the Second Hospital of Zhejiang Medical University in Hangzhou, Zhejiang.

Why it matters

Potential benefit: If successful, this study could enhance the understanding of optimal pacing strategies, potentially improving patient outcomes in bradyarrhythmias and heart failure.

How similar studies have gone: While there are few studies comparing different pacing methods, this approach is relatively novel and aims to fill a gap in existing research.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patients who received pacemaker implantation in the Second Hospital of Zhejiang Medical University by Pan Xiaohong and other surgeons.
* Patients who have the ability to understand the test and can cooperate with investigators.

Exclusion Criteria:

* Patients who unable to understand or unwilling to fill in informed consent forms or follow visitors

Where it's running

  • Xiaohong Pan
    Hangzhou, Zhejiang, China
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
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Last reviewed 2026-11-14 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.