Clinical trials
Phase 2 Respiratory Tract Diseases trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
38 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 1 |
| 2001 | 2 |
| 2003 | 1 |
| 2007 | 1 |
| 2008 | 2 |
| 2009 | 1 |
| 2010 | 1 |
| 2013 | 1 |
| 2014 | 1 |
| 2016 | 4 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 4 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 23 |
| Terminated | 6 |
| Active, not recruiting | 3 |
| Recruiting | 3 |
| Withdrawn | 2 |
| Unknown status | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Medicago | 3 |
| Upstream Bio Inc. | 3 |
| AstraZeneca | 2 |
| National Center for Research Resources (NCRR) | 2 |
| Pfizer | 2 |
| Vertex Pharmaceuticals Incorporated | 2 |
| Biomedical Advanced Research and Development Authority | 1 |
| Cardeas Pharma | 1 |
| Celgene | 1 |
| Columbia University | 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 Diseases | 38 |
| Lung Diseases | 19 |
| Respiratory Tract Infections | 13 |
| Asthma | 8 |
| Infections | 8 |
| Virus Diseases | 8 |
| Bronchial Diseases | 6 |
| RNA Virus Infections | 6 |
| Fibrosis | 5 |
| Influenza, Human | 5 |
Trials
Showing 1 to 25 of 38. 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.