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NCT00133289 · ClinicalTrials.gov registry record · Phase 4
ULTRA Study for Pacemaker Patients
A Phase 4 study of Bradycardia, sponsored by Boston Scientific Corporation.
- Completed
- Registry status
- Phase 4
- Development phase
- 950
- Enrollment target
- 1
- Study location
NCT00133289: Completed Phase 4 study of Bradycardia, sponsored by Boston Scientific Corporation.
NCT00133289 is a Phase 4 study of Bradycardia that has completed, run by Boston Scientific Corporation. The registered enrollment target is 950 participants, below the 4,380-participant average among 29 other Bradycardia trials with a reported enrollment target (78% lower). The trial reports 1 study location across 1 state. According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00133289, a Phase 4 study of Bradycardia, has completed, sponsored by Boston Scientific Corporation.
- COMPLETED
- Registry status
- Phase 4
- Development phase
- 950 participants
- Enrollment target
- 1
- Study location
Study Summary
The ULTRA study will assess the difference in average ventricular voltage output for pacemaker patients randomized to Automatic Capture feature ON versus patients randomized to Automatic Capture feature OFF.
Conditions Studied
Interventions
- DEVICE Pacemaker with Automatic Capture
Study Locations (1)
Massachusetts
- Brigham and Women's Hospital - Boston
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 950 participants |
| Start Date | 2005-07 |
| Est. Completion | 2007-06 |
| Phase | Phase 4 |
What the finished NCT00133289 record still lists
NCT00133289 is an interventional study that assigns participants to a tested intervention. The registered 950 participants enrollment target is mid-sized for trials with a published cap, below the 4,380-participant average among 29 other Bradycardia trials with a reported enrollment target (78% lower).
The record links to 1 condition, with Bradycardia appearing as the primary indexed condition, and to 1 intervention - of which Pacemaker with Automatic Capture is the first listed.
NCT00133289 reports a single indexed study location in Massachusetts.
Frequently Asked Questions
What is clinical trial NCT00133289 about?
NCT00133289 is a clinical study titled "ULTRA Study for Pacemaker Patients". The ULTRA study will assess the difference in average ventricular voltage output for pacemaker patients randomized to Automatic Capture feature ON versus patients randomized to Automatic Capture feature OFF.
What is the current status of trial NCT00133289?
This trial is currently completed. It is a Phase 4 study. The enrollment target is 950 participants. The study started on 2005-07. Estimated completion is 2007-06.
What conditions does trial NCT00133289 study?
This clinical trial studies the following conditions: Bradycardia.
What interventions are being tested in trial NCT00133289?
The interventions under investigation include: Pacemaker with Automatic Capture (DEVICE).
Who is sponsoring clinical trial NCT00133289?
This trial is sponsored by Boston Scientific Corporation, which has 280 total clinical trials registered on ClinicalTrials.gov.
Where is trial NCT00133289 being conducted?
This trial has 1 study location across Massachusetts. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.
Learn More About Clinical Trials
Similar trials for Bradycardia
Matched on the same primary condition, ranked to surface studies in the same phase first, then by recruiting status, no relevance scoring or editorial curation.
Where NCT00133289's enrollment target sits among peer trials
950 13th of 29 higher than 16 of 29 other Bradycardia trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other Bradycardia 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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