Plain-English translation of NCT04931550 on ClinicalTrials.gov ↗ · Source last updated · Translation generated · How we translate trials
This trial is studying pacemakers — devices that help regulate your heartbeat — to understand which locations in the heart work best for pacing. Researchers want to compare different pacing sites, such as the right side of the heart, the left side, or specialized areas like the His bundle, to see which locations are most effective and safest over time.
While pacemakers are already proven to help patients with irregular heartbeats and heart failure, technology has advanced so that doctors can now place pacemakers in many different locations within the heart. However, there isn't enough information comparing how well these different locations work in real-world practice, so this study aims to fill that gap.
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If you join this study, you will be followed over time by your medical team at the hospital to monitor how your pacemaker is working. The researchers will track your health outcomes and compare how well the pacemaker is functioning at its specific implant location compared to other locations in other patients. The study involves regular check-ins and monitoring, but does not require you to undergo a new procedure — you are simply being observed and tracked to help doctors understand which pacing locations work best.
AI-generated summary from trial data · Jul 7, 2026 · Not medical advice
China
Enrollment target
~600 participants
Started
August 2020
Primary completion
December 2025
This trial's estimated completion date has passed — the record may not be fully up to date.
Age range
18 Years – 100 Years
Last updated on clinicaltrials.gov in January 2023.
Reach out to the team running this trial. Response times vary — some teams are faster than others.
Central contact
Xiaohong Pan
Second Affiliated Hospital, School of Medicine, Zhejiang University
Tell us you're interested and we'll help connect you with the research team. We'll walk you through what to expect first — no email needed to get started.