Clinical trials
Completed trials in Belgium
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
9,145 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 | 485 |
| 2017 | 582 |
| 2018 | 561 |
| 2019 | 529 |
| 2020 | 465 |
| 2021 | 438 |
| 2022 | 317 |
| 2023 | 234 |
| 2024 | 150 |
| 2025 | 62 |
| 2026 | 10 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 9,145 |
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 | 379 |
| Novartis Pharmaceuticals | 322 |
| GlaxoSmithKline | 271 |
| Hoffmann-La Roche | 218 |
| Janssen Research & Development, LLC | 214 |
| Boehringer Ingelheim | 210 |
| University Ghent | 189 |
| KU Leuven | 188 |
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 | 235 |
| Carcinoma, Non-Small-Cell Lung | 162 |
| Pulmonary Disease, Chronic Obstructive | 151 |
| Arthritis, Rheumatoid | 140 |
| Colorectal Neoplasms | 133 |
| Atrial Fibrillation | 125 |
| Stroke | 125 |
| Neoplasm Metastasis | 122 |
| Coronary Artery Disease | 118 |
Trials
Showing 51 to 75 of 9,145. Each trial links to its page on Pharma Observatory.
9,045 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.