Clinical trials
Completed Phase 1 trials in Belgium
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
937 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2001 | 1 |
| 2003 | 7 |
| 2004 | 3 |
| 2005 | 14 |
| 2006 | 17 |
| 2007 | 25 |
| 2008 | 34 |
| 2009 | 38 |
| 2010 | 71 |
| 2011 | 53 |
| 2012 | 55 |
| 2013 | 67 |
| 2014 | 61 |
| 2015 | 64 |
| 2016 | 49 |
| 2017 | 60 |
| 2018 | 59 |
| 2019 | 61 |
| 2020 | 49 |
| 2021 | 40 |
| 2022 | 37 |
| 2023 | 30 |
| 2024 | 19 |
| 2025 | 12 |
| 2026 | 3 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 937 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Pfizer | 211 |
| Janssen Research & Development, LLC | 117 |
| Boehringer Ingelheim | 56 |
| Lakefront Biotherapeutics NV | 42 |
| GlaxoSmithKline | 38 |
| Novartis Pharmaceuticals | 33 |
| Amgen | 16 |
| AstraZeneca | 16 |
| Johnson & Johnson Pharmaceutical Research & Development, L.L.C. | 16 |
| Regeneron Pharmaceuticals | 16 |
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 |
|---|---|
| Neoplasms | 57 |
| Breast Neoplasms | 40 |
| Carcinoma, Non-Small-Cell Lung | 21 |
| Neoplasm Metastasis | 20 |
| Influenza, Human | 16 |
| Ovarian Neoplasms | 14 |
| COVID-19 | 13 |
| Hepatitis C | 12 |
| Melanoma | 12 |
| Triple Negative Breast Neoplasms | 12 |
Trials
Showing 1 to 25 of 937. Each trial links to its page on Pharma Observatory.
837 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.
Go deeper on Pharma Observatory
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