Clinical trials
Observational Atrial Fibrillation trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
1,373 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 4 |
| 2001 | 3 |
| 2002 | 5 |
| 2003 | 2 |
| 2004 | 7 |
| 2005 | 17 |
| 2006 | 9 |
| 2007 | 14 |
| 2008 | 16 |
| 2009 | 29 |
| 2010 | 28 |
| 2011 | 40 |
| 2012 | 39 |
| 2013 | 56 |
| 2014 | 73 |
| 2015 | 73 |
| 2016 | 88 |
| 2017 | 85 |
| 2018 | 88 |
| 2019 | 87 |
| 2020 | 95 |
| 2021 | 105 |
| 2022 | 93 |
| 2023 | 86 |
| 2024 | 80 |
| 2025 | 66 |
| 2026 | 69 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 672 |
| Unknown status | 301 |
| Recruiting | 158 |
| Not yet recruiting | 76 |
| Active, not recruiting | 65 |
| Terminated | 48 |
| Withdrawn | 28 |
| Enrolling by invitation | 23 |
| Suspended | 2 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Bayer | 46 |
| Boehringer Ingelheim | 36 |
| Abbott Medical Devices | 23 |
| Boston Scientific Corporation | 16 |
| University Hospital, Basel, Switzerland | 14 |
| Bristol-Myers Squibb | 13 |
| The Cleveland Clinic | 13 |
| Beijing Anzhen Hospital | 12 |
| Charles University, Czech Republic | 12 |
| Brigham and Women's Hospital | 11 |
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 |
|---|---|
| Atrial Fibrillation | 1,373 |
| Stroke | 153 |
| Arrhythmias, Cardiac | 124 |
| Heart Failure | 84 |
| Ischemic Stroke | 58 |
| Atrial Flutter | 49 |
| Cardiovascular Diseases | 46 |
| Coronary Artery Disease | 34 |
| Heart Diseases | 34 |
| Myocardial Infarction | 33 |
Trials
Showing 51 to 75 of 1,373. Each trial links to its page on Pharma Observatory.
1,273 more trials match. See them on Pharma Observatory
Recently changed trials
Changes observed in the last 7 days, newest first, site-count changes left out. Source: ClinicalTrials.gov.
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