Clinical trials
Phase 4 Asthma trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
430 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 4 |
| 2001 | 3 |
| 2002 | 11 |
| 2003 | 20 |
| 2004 | 19 |
| 2005 | 24 |
| 2006 | 33 |
| 2007 | 38 |
| 2008 | 16 |
| 2009 | 23 |
| 2010 | 18 |
| 2011 | 19 |
| 2012 | 13 |
| 2013 | 17 |
| 2014 | 15 |
| 2015 | 13 |
| 2016 | 18 |
| 2017 | 12 |
| 2018 | 14 |
| 2019 | 12 |
| 2020 | 10 |
| 2021 | 17 |
| 2022 | 9 |
| 2023 | 7 |
| 2024 | 17 |
| 2025 | 7 |
| 2026 | 8 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 307 |
| Unknown status | 42 |
| Terminated | 35 |
| Recruiting | 17 |
| Withdrawn | 11 |
| Active, not recruiting | 10 |
| Not yet recruiting | 6 |
| Enrolling by invitation | 2 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| GlaxoSmithKline | 53 |
| AstraZeneca | 22 |
| Organon and Co | 19 |
| University of Dundee | 12 |
| University of Saskatchewan | 12 |
| Medical University of Lodz | 9 |
| Centre of Chinese Medicine, Georgia | 8 |
| Imperial College London | 8 |
| Bispebjerg Hospital | 6 |
| Boehringer Ingelheim | 6 |
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 | 430 |
| Pulmonary Disease, Chronic Obstructive | 24 |
| Rhinitis, Allergic | 17 |
| Pulmonary Eosinophilia | 15 |
| Respiratory Sounds | 10 |
| Emergencies | 9 |
| Respiratory Hypersensitivity | 8 |
| Inflammation | 6 |
| Hypersensitivity | 5 |
| Lung Diseases | 5 |
Trials
Showing 26 to 50 of 430. Each trial links to its page on Pharma Observatory.
330 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
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