Clinical trials
Completed trials in Belgium
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
9,137 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 57 |
| 2001 | 67 |
| 2002 | 107 |
| 2003 | 164 |
| 2004 | 200 |
| 2005 | 209 |
| 2006 | 279 |
| 2007 | 299 |
| 2008 | 384 |
| 2009 | 370 |
| 2010 | 459 |
| 2011 | 486 |
| 2012 | 498 |
| 2013 | 518 |
| 2014 | 549 |
| 2015 | 540 |
| 2016 | 484 |
| 2017 | 582 |
| 2018 | 560 |
| 2019 | 528 |
| 2020 | 465 |
| 2021 | 437 |
| 2022 | 316 |
| 2023 | 234 |
| 2024 | 149 |
| 2025 | 60 |
| 2026 | 10 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 9,137 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Universitaire Ziekenhuizen KU Leuven | 425 |
| University Hospital, Ghent | 424 |
| Pfizer | 377 |
| Novartis Pharmaceuticals | 322 |
| GlaxoSmithKline | 271 |
| Hoffmann-La Roche | 218 |
| Janssen Research & Development, LLC | 214 |
| Boehringer Ingelheim | 210 |
| University Ghent | 189 |
| KU Leuven | 185 |
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 | 311 |
| Neoplasms | 234 |
| Carcinoma, Non-Small-Cell Lung | 162 |
| Pulmonary Disease, Chronic Obstructive | 151 |
| Arthritis, Rheumatoid | 139 |
| Colorectal Neoplasms | 133 |
| Atrial Fibrillation | 125 |
| Stroke | 125 |
| Neoplasm Metastasis | 122 |
| Coronary Artery Disease | 118 |
Trials
Showing 1 to 25 of 9,137. Each trial links to its page on Pharma Observatory.
9,037 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
Pharma Observatory connects clinical trials, sponsors, sites and investigators in one searchable platform.