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NCT03253809 · ClinicalTrials.gov registry record · NA
Survey of QRS Frequency at Various Left Ventricular Pacing Sites for Cardiac Resynchronization
A NA study, sponsored by The Cleveland Clinic.
- Terminated
- Registry status
- NA
- Development phase
- 14
- Enrollment target
NCT03253809: Clinical Trial NA study, sponsored by The Cleveland Clinic.
NCT03253809 is a NA study that was terminated before completion, run by The Cleveland Clinic. The registered enrollment target is 14 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (99% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT03253809, a NA study, was terminated before completion, sponsored by The Cleveland Clinic.
- TERMINATED
- Registry status
- NA
- Development phase
- 14 participants
- Enrollment target
Study Summary
LV pacing at various sites with recording of ECG and subsequent signal analysis at different sites.
Primary Outcome
Time frequency analysis performed at each location
Interventions
- DEVICE Biotronik Vision Guidewire
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 14 participants |
| Start Date | 2017-07-12 |
| Est. Completion | 2021-11-02 |
| Phase | NA |
Why NCT03253809 stopped before completion
NCT03253809 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 14 participants, a relatively small participant target, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (99% lower).
The record links to 0 conditions, and to 1 intervention - of which Biotronik Vision Guidewire is the first listed.
NCT03253809 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT03253809 about?
NCT03253809 is a clinical study titled "Survey of QRS Frequency at Various Left Ventricular Pacing Sites for Cardiac Resynchronization". LV pacing at various sites with recording of ECG and subsequent signal analysis at different sites.
What is the current status of trial NCT03253809?
This trial is currently terminated. It is a NA study. The enrollment target is 14 participants. The study started on 2017-07-12. Estimated completion is 2021-11-02.
What interventions are being tested in trial NCT03253809?
The interventions under investigation include: Biotronik Vision Guidewire (DEVICE).
Who is sponsoring clinical trial NCT03253809?
This trial is sponsored by The Cleveland Clinic, which has 688 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT03253809's enrollment target sits among peer trials
14 1909th of 2000 higher than 90 of 2,000 other NA trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other NA trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source ClinicalTrials.gov registry export · 2026-08-08
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