Clinical trials
Influenza, Human trials in Belgium
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
92 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2003 | 2 |
| 2004 | 1 |
| 2005 | 3 |
| 2006 | 11 |
| 2007 | 8 |
| 2008 | 8 |
| 2009 | 8 |
| 2010 | 3 |
| 2011 | 4 |
| 2012 | 3 |
| 2013 | 6 |
| 2014 | 4 |
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 6 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 5 |
| 2025 | 2 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 85 |
| Recruiting | 3 |
| Unknown status | 2 |
| Terminated | 1 |
| Withdrawn | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| GlaxoSmithKline | 28 |
| Osivax | 7 |
| Sanofi Pasteur, a Sanofi Company | 7 |
| Hoffmann-La Roche | 5 |
| Novartis Vaccines | 5 |
| Crucell Holland BV | 3 |
| Abbott Biologicals | 2 |
| Alachua Government Services, Inc. | 2 |
| LiteVax BV | 2 |
| MedImmune LLC | 2 |
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 |
|---|---|
| Influenza, Human | 92 |
| Orthomyxoviridae Infections | 7 |
| Virus Diseases | 5 |
| Infections | 4 |
| Respiratory Tract Infections | 4 |
| Severe Acute Respiratory Syndrome | 4 |
| COVID-19 | 3 |
| Cough | 2 |
| Fever | 2 |
| Headache | 2 |
Trials
Showing 26 to 50 of 92. Each trial links to its page on Pharma Observatory.
Recently changed trials
Changes observed in the last 7 days, newest first, site-count changes left out. Source: ClinicalTrials.gov.
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