Clinical trials
Syncope, Vasovagal trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
88 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2001 | 1 |
| 2003 | 3 |
| 2004 | 3 |
| 2005 | 1 |
| 2006 | 3 |
| 2007 | 1 |
| 2010 | 2 |
| 2011 | 2 |
| 2012 | 3 |
| 2013 | 2 |
| 2014 | 3 |
| 2015 | 7 |
| 2016 | 3 |
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 6 |
| 2022 | 11 |
| 2023 | 9 |
| 2024 | 12 |
| 2025 | 4 |
| 2026 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 40 |
| Recruiting | 20 |
| Unknown status | 17 |
| Active, not recruiting | 5 |
| Terminated | 4 |
| Not yet recruiting | 2 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| National Institute of Neurological Disorders and Stroke (NINDS) | 7 |
| Istituto Auxologico Italiano | 6 |
| University of Calgary | 6 |
| Centre of Postgraduate Medical Education | 5 |
| Abbott Medical Devices | 3 |
| Boston Scientific Corporation | 3 |
| New York Medical College | 3 |
| Simon Fraser University | 3 |
| China National Center for Cardiovascular Diseases | 2 |
| Duke University | 2 |
Top conditions
MeSH conditions the trials were registered with, not their broader categories. A condition with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Syncope, Vasovagal | 88 |
| Syncope | 33 |
| Postural Orthostatic Tachycardia Syndrome | 9 |
| Atrioventricular Block | 7 |
| Bradycardia | 7 |
| Orthostatic Intolerance | 7 |
| Autonomic Nervous System Diseases | 6 |
| Hypotension, Orthostatic | 6 |
| Arrhythmias, Cardiac | 4 |
| Sick Sinus Syndrome | 4 |
Trials
Showing 1 to 25 of 88. Each trial links to its page on Pharma Observatory.
Recently changed trials
Changes observed in the last 7 days, newest first, site-count changes left out. Source: ClinicalTrials.gov.
No changes to these trials in the last 7 days.
Go deeper on Pharma Observatory
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