Clinical trials
Observational trials in Belgium
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
2,752 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 8 |
| 2001 | 4 |
| 2002 | 11 |
| 2003 | 12 |
| 2004 | 28 |
| 2005 | 21 |
| 2006 | 34 |
| 2007 | 45 |
| 2008 | 54 |
| 2009 | 61 |
| 2010 | 89 |
| 2011 | 99 |
| 2012 | 123 |
| 2013 | 114 |
| 2014 | 162 |
| 2015 | 122 |
| 2016 | 130 |
| 2017 | 147 |
| 2018 | 148 |
| 2019 | 191 |
| 2020 | 219 |
| 2021 | 216 |
| 2022 | 170 |
| 2023 | 184 |
| 2024 | 129 |
| 2025 | 148 |
| 2026 | 69 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 1,519 |
| Unknown status | 459 |
| Recruiting | 442 |
| Active, not recruiting | 129 |
| Terminated | 89 |
| Not yet recruiting | 42 |
| Withdrawn | 36 |
| Enrolling by invitation | 32 |
| Suspended | 4 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Universitaire Ziekenhuizen KU Leuven | 337 |
| University Hospital, Ghent | 163 |
| KU Leuven | 110 |
| Universitair Ziekenhuis Brussel | 85 |
| University Hospital, Antwerp | 76 |
| University of Liege | 67 |
| Cliniques universitaires Saint-Luc- Université Catholique de Louvain | 66 |
| University Ghent | 66 |
| Hasselt University | 53 |
| Erasme University Hospital | 52 |
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 | 69 |
| Breast Neoplasms | 53 |
| Stroke | 53 |
| Neoplasms | 47 |
| Atrial Fibrillation | 42 |
| Coronary Artery Disease | 39 |
| Heart Failure | 39 |
| Colorectal Neoplasms | 37 |
| Sleep Apnea, Obstructive | 37 |
| Obesity | 35 |
Trials
Showing 1 to 25 of 2,752. Each trial links to its page on Pharma Observatory.
2,652 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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