Clinical trials
Phase 4 trials in Belgium
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
779 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 3 |
| 2001 | 4 |
| 2002 | 10 |
| 2003 | 21 |
| 2004 | 22 |
| 2005 | 26 |
| 2006 | 25 |
| 2007 | 30 |
| 2008 | 48 |
| 2009 | 38 |
| 2010 | 42 |
| 2011 | 43 |
| 2012 | 27 |
| 2013 | 45 |
| 2014 | 57 |
| 2015 | 43 |
| 2016 | 35 |
| 2017 | 30 |
| 2018 | 35 |
| 2019 | 32 |
| 2020 | 33 |
| 2021 | 34 |
| 2022 | 23 |
| 2023 | 19 |
| 2024 | 23 |
| 2025 | 10 |
| 2026 | 15 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 561 |
| Unknown status | 76 |
| Terminated | 57 |
| Recruiting | 49 |
| Active, not recruiting | 15 |
| Withdrawn | 12 |
| Not yet recruiting | 6 |
| Enrolling by invitation | 2 |
| Suspended | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| University Hospital, Ghent | 71 |
| Universitaire Ziekenhuizen KU Leuven | 64 |
| GlaxoSmithKline | 28 |
| Pfizer | 27 |
| Universitair Ziekenhuis Brussel | 24 |
| University Hospital, Antwerp | 24 |
| Novartis Pharmaceuticals | 21 |
| Hoffmann-La Roche | 18 |
| University of Liege | 18 |
| Boehringer Ingelheim | 15 |
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 |
|---|---|
| Pulmonary Disease, Chronic Obstructive | 22 |
| Coronary Artery Disease | 21 |
| Atrial Fibrillation | 20 |
| Asthma | 18 |
| Infertility | 18 |
| Postoperative Pain | 17 |
| Psoriasis | 16 |
| Arthritis, Rheumatoid | 13 |
| Hepatitis B | 12 |
| Colitis, Ulcerative | 11 |
Trials
Showing 1 to 25 of 779. Each trial links to its page on Pharma Observatory.
679 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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