NCT04831125Completed
Conduction System Pacing International Registry (CONSPIRE)
Source: ClinicalTrials.gov · Last updated 3 Mar 2026
Brief summary (registry, in English)
The purpose of this registry study is to collect information about routine clinical practices with device implantation to treat bradycardia and cardiac systolic dysfunction (heart rhythm disorders) across global centers of excellence in cardiac pacing. In particular, this study will examine the use of conduction system pacing (CSP) in clinical practice. Information collected in the registry will help researchers better characterize strengths and limitations of current technology and treatments.
- Status (registry)
- Completed
- Study type
- Observational
- Enrollment
- 383 (actual)
- First submitted
- 15 Mar 2021
- Start date
- 4 Apr 2021
- Primary completion date
- 5 Feb 2026
- Lead sponsor
- University of Chicago
- Diseases
- Heart failure
- NCT number
- NCT04831125
What you commit to
- Study type: Observational
- Participants enrolled: 383
- From 4 Apr 2021 to the primary completion date, 5 Feb 2026
- 8 sites in 4 countries
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.
Who cannot take part
Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.
Other illness
- Inability of patient capacity to provide consent for themselves either due to medical or psychiatric comorbidity
Age
- Age \< 18 years
Other
- Pregnancy
- Difficulty with follow-up
Who the study is looking for
- Meets American College of Cardiology (ACC)/American Heart Association (AHA)/Heart Rhythm Society (HRS) guidelines for bradycardia, or
- Meets ACC/AHA/HRS guidelines for cardiac resynchronization therapy (CRT).
Age in the registry: 18 years to - · Sex: All · Does not accept healthy volunteers
Sites (8)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| Health Research Institute Hospital La Fe Coordinator of this site? Confirm its status | Valencia | Spain | Unknown status |
| Maastricht University Medical Center Coordinator of this site? Confirm its status | Maastricht | Netherlands | Unknown status |
| Lund University Coordinator of this site? Confirm its status | Lund | Sweden | Unknown status |
| University of Chicago Coordinator of this site? Confirm its status | Chicago | United States | Unknown status |
| Icahn School of Medicine at Mount Sinai, Mount Sinai Hospital Coordinator of this site? Confirm its status | New York | United States | Unknown status |
| University of Pennsylvania Coordinator of this site? Confirm its status | Philadelphia | United States | Unknown status |
| University of Arizona Coordinator of this site? Confirm its status | Tucson | United States | Unknown status |
| Geisinger Wyoming Valley Medical Center Coordinator of this site? Confirm its status | Wilkes-Barre | United States | Unknown status |
This page is information, not medical advice. Discuss any trial with your doctor.