Clinical trials
Phase 3 Asthma trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
246 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 3 |
| 2001 | 1 |
| 2002 | 9 |
| 2003 | 7 |
| 2004 | 7 |
| 2005 | 8 |
| 2006 | 10 |
| 2007 | 13 |
| 2008 | 13 |
| 2009 | 3 |
| 2010 | 14 |
| 2011 | 12 |
| 2012 | 11 |
| 2013 | 14 |
| 2014 | 17 |
| 2015 | 16 |
| 2016 | 8 |
| 2017 | 14 |
| 2018 | 11 |
| 2019 | 7 |
| 2020 | 1 |
| 2021 | 6 |
| 2022 | 9 |
| 2023 | 10 |
| 2024 | 8 |
| 2025 | 1 |
| 2026 | 9 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 200 |
| Terminated | 22 |
| Recruiting | 14 |
| Active, not recruiting | 5 |
| Withdrawn | 3 |
| Enrolling by invitation | 1 |
| Unknown status | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| AstraZeneca | 47 |
| GlaxoSmithKline | 42 |
| Teva Branded Pharmaceutical Products R&D, Inc. | 20 |
| Milton S. Hershey Medical Center | 15 |
| Sanofi | 12 |
| Novartis Pharmaceuticals | 11 |
| Sumitomo Pharma America, Inc. | 9 |
| Boehringer Ingelheim | 8 |
| Amphastar Pharmaceuticals, Inc. | 7 |
| SkyePharma AG | 5 |
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 |
|---|---|
| Asthma | 246 |
| Lung Diseases | 18 |
| Lung Diseases, Obstructive | 15 |
| Bronchial Diseases | 13 |
| Respiratory Tract Diseases | 13 |
| Pulmonary Eosinophilia | 11 |
| Respiratory Sounds | 6 |
| Bronchial Spasm | 4 |
| Dyspnea | 4 |
| Pulmonary Disease, Chronic Obstructive | 4 |
Trials
Showing 1 to 25 of 246. Each trial links to its page on Pharma Observatory.
146 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.