Clinical trials
Influenza, Human trials in the United States with no applicable phase
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
153 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2004 | 3 |
| 2005 | 5 |
| 2006 | 1 |
| 2007 | 4 |
| 2008 | 5 |
| 2009 | 8 |
| 2010 | 12 |
| 2011 | 5 |
| 2012 | 9 |
| 2013 | 8 |
| 2014 | 6 |
| 2015 | 2 |
| 2016 | 8 |
| 2017 | 9 |
| 2018 | 5 |
| 2019 | 4 |
| 2020 | 9 |
| 2021 | 5 |
| 2022 | 13 |
| 2023 | 7 |
| 2024 | 12 |
| 2025 | 5 |
| 2026 | 8 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 122 |
| Recruiting | 8 |
| Terminated | 7 |
| Active, not recruiting | 5 |
| Unknown status | 5 |
| Enrolling by invitation | 3 |
| Not yet recruiting | 2 |
| Withdrawn | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Columbia University | 12 |
| University of California, Los Angeles | 10 |
| Emory University | 8 |
| Geisinger Clinic | 8 |
| University of Pennsylvania | 6 |
| Kaiser Permanente | 5 |
| National Institute of Allergy and Infectious Diseases (NIAID) | 5 |
| University of Michigan | 5 |
| Johns Hopkins University | 4 |
| University of Colorado, Denver | 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 | 153 |
| COVID-19 | 13 |
| Respiratory Tract Infections | 11 |
| Common Cold | 8 |
| Whooping Cough | 7 |
| Pneumonia | 6 |
| Heart Failure | 3 |
| Virus Diseases | 3 |
| Cardiovascular Diseases | 2 |
| Diphtheria | 2 |
Trials
Showing 1 to 25 of 153. Each trial links to its page on Pharma Observatory.
53 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.