Clinical trials
Phase 3 Influenza, Human trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
111 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 1 |
| 2002 | 1 |
| 2004 | 3 |
| 2005 | 5 |
| 2006 | 6 |
| 2007 | 7 |
| 2008 | 10 |
| 2009 | 8 |
| 2010 | 10 |
| 2011 | 2 |
| 2012 | 1 |
| 2013 | 10 |
| 2014 | 7 |
| 2015 | 4 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 5 |
| 2020 | 1 |
| 2021 | 3 |
| 2022 | 6 |
| 2023 | 6 |
| 2024 | 2 |
| 2025 | 1 |
| 2026 | 3 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 94 |
| Recruiting | 6 |
| Terminated | 5 |
| Suspended | 2 |
| Unknown status | 2 |
| Withdrawn | 1 |
| Active, not recruiting | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| GlaxoSmithKline | 24 |
| Seqirus | 12 |
| Sanofi Pasteur, a Sanofi Company | 11 |
| Hoffmann-La Roche | 7 |
| BioCryst Pharmaceuticals | 6 |
| Protein Sciences Corporation | 6 |
| MedImmune LLC | 5 |
| ModernaTX, Inc. | 5 |
| Novartis Vaccines | 5 |
| Alachua Government Services, Inc. | 4 |
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 | 111 |
| Virus Diseases | 6 |
| Cough | 5 |
| Fever | 5 |
| Headache | 5 |
| COVID-19 | 4 |
| Nasal Obstruction | 4 |
| Orthomyxoviridae Infections | 4 |
| Pharyngitis | 4 |
| Respiratory Tract Infections | 4 |
Trials
Showing 1 to 25 of 111. Each trial links to its page on Pharma Observatory.
11 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.