Ensure Cardiac Resynchronization Therapy Study
Public ClinicalTrials.gov record NCT00291564. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of this study is to gather information on how doctors program particular settings on cardiac resynchronization therapy implantable cardiac defibrillators (CRT-Ds), to analyze how these settings affect the amount of cardiac resynchronization therapy (CRT) patients receive and to evaluate the therapy approach for converting abnormally fast heartbeats into normal heartbeats. There are no experimental devices or procedures involved in this study.
Study identification
- NCT ID
- NCT00291564
- Recruitment status
- Completed
- Study type
- Observational
- Phase
- Not listed
- Enrollment
- 430 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- May 2004 (Type not available)
- Primary completion
- Not listed
- Completion
- Feb 2006 (Actual)
- Last update posted
- Dec 21, 2007
2004 – 2006
United States locations
- U.S. sites
- 32
- U.S. states
- 27
- U.S. cities
- 32
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Not listed | Birmingham | Alabama | — | — |
| Not listed | Newport Beach | California | — | — |
| Not listed | Trumbull | Connecticut | — | — |
| Not listed | Daytona Beach | Florida | — | — |
| Not listed | Augusta | Georgia | — | — |
| Not listed | Kankakee | Illinois | — | — |
| Not listed | Indianapolis | Indiana | — | — |
| Not listed | Des Moines | Iowa | — | — |
| Not listed | Owensboro | Kentucky | — | — |
| Not listed | New Orleans | Louisiana | — | — |
| Not listed | Salisbury | Maryland | — | — |
| Not listed | Burlington | Massachusetts | — | — |
| Not listed | Detroit | Michigan | — | — |
| Not listed | Traverse City | Michigan | — | — |
| Not listed | Minneapolis | Minnesota | — | — |
| Not listed | Mexico | Missouri | — | — |
| Not listed | Omaha | Nebraska | — | — |
| Not listed | Bridgewater | New Jersey | — | — |
| Not listed | Englewood | New Jersey | — | — |
| Not listed | Charlotte | North Carolina | — | — |
| Not listed | Dayton | Ohio | — | — |
| Not listed | Lyndhurst | Ohio | — | — |
| Not listed | Oklahoma City | Oklahoma | — | — |
| Not listed | Portland | Oregon | — | — |
| Not listed | Abington | Pennsylvania | — | — |
| Not listed | Doylestown | Pennsylvania | — | — |
| Not listed | Columbia | South Carolina | — | — |
| Not listed | Nashville | Tennessee | — | — |
| Not listed | Houston | Texas | — | — |
| Not listed | Fairfax | Virginia | — | — |
| Not listed | Richmond | Virginia | — | — |
| Not listed | Seattle | Washington | — | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00291564, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Dec 21, 2007 · Synced Oct 21, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT00291564 live on ClinicalTrials.gov.