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NCT00798174 · ClinicalTrials.gov registry record · NA
The Effect of an Azygos Vein Coil on Defibrillation Threshold
A NA study, sponsored by Washington University School of Medicine.
- Completed
- Registry status
- NA
- Development phase
- 32
- Enrollment target
NCT00798174: Completed NA study, sponsored by Washington University School of Medicine.
NCT00798174 is a NA study that has completed, run by Washington University School of Medicine. The registered enrollment target is 32 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (98% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00798174, a NA study, has completed, sponsored by Washington University School of Medicine.
- COMPLETED
- Registry status
- NA
- Development phase
- 32 participants
- Enrollment target
Study Summary
When implantable cardiac defibrillators are implanted (ICDs), the defibrillation threshold (DFT), of the amount of energy required to effectively terminate life-threatening arrhythmias is determined. The device is then programmed to discharge a larger amount of energy in order to provide a safety margin. In some patients, the DFT is so high, that an adequate safety margin is not programmable. Placement of a defibrillation lead in the azygos vein has been found to be helpful in these patients. This goal of this trial is to attempt to quantify the average reduction in the DFT (if any) that results from the addition of the azygos lead.
Primary Outcome
Defibrillation threshold will be estimated by repeat defibrillation testing using an azygos coil and using an SVC coil (and compared). The outcome measure quoted below is the mean DFT using the azygos coil vs. the mean DFT using the standard configuration.
Interventions
- DEVICE Standard configuration vs. azygos coil
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 32 participants |
| Start Date | 2008-12-15 |
| Est. Completion | 2009-11-18 |
| Phase | NA |
What the finished NCT00798174 record still lists
NCT00798174 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 32 participants, a relatively small participant target, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (98% lower).
The record links to 0 conditions, and to 1 intervention - of which Standard configuration vs. azygos coil is the first listed.
NCT00798174 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT00798174 about?
NCT00798174 is a clinical study titled "The Effect of an Azygos Vein Coil on Defibrillation Threshold". When implantable cardiac defibrillators are implanted (ICDs), the defibrillation threshold (DFT), of the amount of energy required to effectively terminate life-threatening arrhythmias is determined. The device is then programmed to discharge a larger amount of energy in order to provide a safety ma...
What is the current status of trial NCT00798174?
This trial is currently completed. It is a NA study. The enrollment target is 32 participants. The study started on 2008-12-15. Estimated completion is 2009-11-18.
What interventions are being tested in trial NCT00798174?
The interventions under investigation include: Standard configuration vs. azygos coil (DEVICE).
Who is sponsoring clinical trial NCT00798174?
This trial is sponsored by Washington University School of Medicine, which has 1,502 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT00798174's enrollment target sits among peer trials
32 1578th of 2000 higher than 409 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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