Clinical trials
Observational Varicose Veins trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
55 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2007 | 1 |
| 2008 | 1 |
| 2009 | 1 |
| 2010 | 1 |
| 2011 | 1 |
| 2012 | 1 |
| 2013 | 2 |
| 2014 | 4 |
| 2015 | 2 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 5 |
| 2019 | 11 |
| 2021 | 5 |
| 2022 | 5 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 3 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 26 |
| Unknown status | 19 |
| Recruiting | 5 |
| Active, not recruiting | 2 |
| Withdrawn | 2 |
| Not yet recruiting | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Belarusian State Medical University | 5 |
| Singapore General Hospital | 4 |
| University of Catanzaro | 3 |
| Boston Scientific Corporation | 2 |
| Hepatopancreatobiliary Surgery Institute of Gansu Province | 2 |
| Imperial College London | 2 |
| Lake Washington Vascular | 2 |
| Pirogov Russian National Research Medical University | 2 |
| Assiut University | 1 |
| Aydin Adnan Menderes University | 1 |
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 |
|---|---|
| Varicose Veins | 55 |
| Venous Insufficiency | 5 |
| Varicose Ulcer | 4 |
| Venous Thrombosis | 4 |
| Fibrosis | 2 |
| Hemorrhage | 2 |
| Hypertension, Portal | 2 |
| Liver Cirrhosis | 2 |
| Peripheral Arterial Disease | 2 |
| Ulcer | 2 |
Trials
Showing 76 to 55 of 55. Each trial links to its page on Pharma Observatory.
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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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