Clinical trials
Observational Venous Thrombosis trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
279 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 1 |
| 2001 | 1 |
| 2002 | 1 |
| 2004 | 2 |
| 2005 | 4 |
| 2006 | 8 |
| 2007 | 8 |
| 2008 | 8 |
| 2009 | 12 |
| 2010 | 7 |
| 2011 | 10 |
| 2012 | 11 |
| 2013 | 12 |
| 2014 | 20 |
| 2015 | 19 |
| 2016 | 18 |
| 2017 | 14 |
| 2018 | 12 |
| 2019 | 15 |
| 2020 | 19 |
| 2021 | 19 |
| 2022 | 10 |
| 2023 | 7 |
| 2024 | 15 |
| 2025 | 13 |
| 2026 | 8 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 154 |
| Unknown status | 59 |
| Recruiting | 27 |
| Terminated | 12 |
| Withdrawn | 11 |
| Active, not recruiting | 8 |
| Not yet recruiting | 5 |
| Enrolling by invitation | 2 |
| Suspended | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Bayer | 10 |
| Brigham and Women's Hospital | 9 |
| Ottawa Hospital Research Institute | 8 |
| Mayo Clinic | 5 |
| University Hospital, Brest | 5 |
| Centre Hospitalier Universitaire de Nīmes | 4 |
| Centre Hospitalier Universitaire de Saint Etienne | 4 |
| Centre Hospitalier Universitaire, Amiens | 3 |
| Diagnostica Stago | 3 |
| GlaxoSmithKline | 3 |
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 |
|---|---|
| Venous Thrombosis | 279 |
| Pulmonary Embolism | 122 |
| Venous Thromboembolism | 73 |
| Thrombosis | 35 |
| Atrial Fibrillation | 21 |
| Neoplasms | 16 |
| Thromboembolism | 15 |
| Postthrombotic Syndrome | 14 |
| Hemorrhage | 13 |
| COVID-19 | 11 |
Trials
Showing 76 to 100 of 279. Each trial links to its page on Pharma Observatory.
179 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.
No changes to these trials in the last 7 days.
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