Clinical trials
Phase 1 Influenza, Human trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
163 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2004 | 1 |
| 2005 | 5 |
| 2006 | 5 |
| 2007 | 10 |
| 2008 | 11 |
| 2009 | 7 |
| 2010 | 12 |
| 2011 | 17 |
| 2012 | 13 |
| 2013 | 8 |
| 2014 | 9 |
| 2015 | 4 |
| 2016 | 4 |
| 2017 | 6 |
| 2018 | 4 |
| 2019 | 8 |
| 2020 | 4 |
| 2021 | 5 |
| 2022 | 9 |
| 2023 | 6 |
| 2025 | 7 |
| 2026 | 5 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 139 |
| Recruiting | 6 |
| Terminated | 6 |
| Withdrawn | 4 |
| Unknown status | 3 |
| Not yet recruiting | 2 |
| Active, not recruiting | 2 |
| Enrolling by invitation | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| National Institute of Allergy and Infectious Diseases (NIAID) | 67 |
| GlaxoSmithKline | 11 |
| VaxInnate Corporation | 8 |
| Stanford University | 5 |
| ModernaTX, Inc. | 4 |
| Sanofi Pasteur, a Sanofi Company | 4 |
| FluGen Inc | 3 |
| Hoffmann-La Roche | 3 |
| Autoimmune Technologies, LLC | 2 |
| Crucell Holland BV | 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 | 163 |
| Influenza in Birds | 25 |
| Virus Diseases | 22 |
| COVID-19 | 4 |
| Orthomyxoviridae Infections | 3 |
| Coronavirus Infections | 2 |
| Infections | 2 |
| Neoplasms | 2 |
| Respiratory Tract Infections | 2 |
| Adenoviridae Infections | 1 |
Trials
Showing 1 to 25 of 163. Each trial links to its page on Pharma Observatory.
63 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
Pharma Observatory connects clinical trials, sponsors, sites and investigators in one searchable platform.