Clinical trials
Completed Observational trials in Belgium
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
1,519 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 4 |
| 2002 | 10 |
| 2003 | 9 |
| 2004 | 21 |
| 2005 | 15 |
| 2006 | 27 |
| 2007 | 33 |
| 2008 | 42 |
| 2009 | 48 |
| 2010 | 67 |
| 2011 | 73 |
| 2012 | 87 |
| 2013 | 84 |
| 2014 | 117 |
| 2015 | 75 |
| 2016 | 87 |
| 2017 | 95 |
| 2018 | 100 |
| 2019 | 117 |
| 2020 | 121 |
| 2021 | 108 |
| 2022 | 66 |
| 2023 | 51 |
| 2024 | 37 |
| 2025 | 15 |
| 2026 | 2 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 1,519 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Universitaire Ziekenhuizen KU Leuven | 162 |
| University Hospital, Ghent | 88 |
| KU Leuven | 57 |
| Brugmann University Hospital | 37 |
| University Ghent | 36 |
| University of Liege | 36 |
| University Hospital, Antwerp | 32 |
| Bayer | 31 |
| Cliniques universitaires Saint-Luc- Université Catholique de Louvain | 31 |
| Erasme University Hospital | 31 |
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 |
|---|---|
| COVID-19 | 49 |
| Stroke | 34 |
| Breast Neoplasms | 32 |
| Atrial Fibrillation | 27 |
| Coronary Artery Disease | 26 |
| Heart Failure | 24 |
| Neoplasms | 24 |
| Colorectal Neoplasms | 23 |
| Arthritis, Rheumatoid | 21 |
| Pain | 21 |
Trials
Showing 1 to 25 of 1,519. Each trial links to its page on Pharma Observatory.
1,419 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.
Go deeper on Pharma Observatory
Pharma Observatory connects clinical trials, sponsors, sites and investigators in one searchable platform.