Clinical trials
Phase 2 Respiratory Tract Infections trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
31 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2003 | 1 |
| 2008 | 2 |
| 2010 | 2 |
| 2011 | 2 |
| 2012 | 1 |
| 2013 | 1 |
| 2014 | 1 |
| 2015 | 1 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 22 |
| Terminated | 4 |
| Active, not recruiting | 3 |
| Unknown status | 1 |
| Withdrawn | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Pfizer | 5 |
| Medicago | 3 |
| Seqirus | 2 |
| ADMA Biologics, Inc. | 1 |
| Biomedical Advanced Research and Development Authority | 1 |
| Cardeas Pharma | 1 |
| Columbia University | 1 |
| Emergent BioSolutions | 1 |
| Furiex Pharmaceuticals, Inc | 1 |
| Gary M Brittenham, MD | 1 |
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 |
|---|---|
| Respiratory Tract Infections | 31 |
| Respiratory Tract Diseases | 13 |
| Infections | 9 |
| Virus Diseases | 9 |
| Influenza, Human | 8 |
| Orthomyxoviridae Infections | 6 |
| Pneumonia | 6 |
| RNA Virus Infections | 6 |
| Lung Diseases | 5 |
| COVID-19 | 4 |
Trials
Showing 1 to 25 of 31. 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.
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.