Clinical trials
Trials in Belgium
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
15,279 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 67 |
| 2001 | 86 |
| 2002 | 124 |
| 2003 | 182 |
| 2004 | 230 |
| 2005 | 258 |
| 2006 | 345 |
| 2007 | 374 |
| 2008 | 481 |
| 2009 | 448 |
| 2010 | 571 |
| 2011 | 604 |
| 2012 | 619 |
| 2013 | 662 |
| 2014 | 737 |
| 2015 | 740 |
| 2016 | 667 |
| 2017 | 826 |
| 2018 | 867 |
| 2019 | 898 |
| 2020 | 906 |
| 2021 | 968 |
| 2022 | 805 |
| 2023 | 775 |
| 2024 | 722 |
| 2025 | 691 |
| 2026 | 422 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 9,137 |
| Recruiting | 1,767 |
| Terminated | 1,442 |
| Unknown status | 1,355 |
| Active, not recruiting | 1,098 |
| Withdrawn | 169 |
| Not yet recruiting | 152 |
| Enrolling by invitation | 100 |
| Suspended | 32 |
| No longer available | 16 |
| Approved for marketing | 9 |
| Available | 2 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Universitaire Ziekenhuizen KU Leuven | 868 |
| University Hospital, Ghent | 659 |
| Pfizer | 482 |
| Novartis Pharmaceuticals | 472 |
| Universitair Ziekenhuis Brussel | 346 |
| GlaxoSmithKline | 327 |
| Hoffmann-La Roche | 323 |
| KU Leuven | 323 |
| Janssen Research & Development, LLC | 319 |
| Cliniques universitaires Saint-Luc- Université Catholique de Louvain | 316 |
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 |
|---|---|
| Breast Neoplasms | 519 |
| Neoplasms | 413 |
| Carcinoma, Non-Small-Cell Lung | 390 |
| Colorectal Neoplasms | 253 |
| Neoplasm Metastasis | 249 |
| Stroke | 228 |
| Prostatic Neoplasms | 207 |
| Pulmonary Disease, Chronic Obstructive | 201 |
| Atrial Fibrillation | 199 |
| Ovarian Neoplasms | 188 |
Trials
Showing 1 to 25 of 15,279. Each trial links to its page on Pharma Observatory.
15,179 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.
Go deeper on Pharma Observatory
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