Clinical trials
Completed Observational Asthma trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
778 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 13 |
| 2001 | 11 |
| 2002 | 7 |
| 2003 | 9 |
| 2004 | 17 |
| 2005 | 27 |
| 2006 | 22 |
| 2007 | 50 |
| 2008 | 30 |
| 2009 | 48 |
| 2010 | 32 |
| 2011 | 43 |
| 2012 | 39 |
| 2013 | 25 |
| 2014 | 21 |
| 2015 | 33 |
| 2016 | 30 |
| 2017 | 41 |
| 2018 | 36 |
| 2019 | 32 |
| 2020 | 32 |
| 2021 | 42 |
| 2022 | 28 |
| 2023 | 15 |
| 2024 | 16 |
| 2025 | 11 |
| 2026 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 778 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| AstraZeneca | 81 |
| National Heart, Lung, and Blood Institute (NHLBI) | 55 |
| GlaxoSmithKline | 23 |
| National Institute of Environmental Health Sciences (NIEHS) | 21 |
| National Institute of Allergy and Infectious Diseases (NIAID) | 14 |
| University of California, San Francisco | 13 |
| Brigham and Women's Hospital | 12 |
| Research in Real-Life Ltd | 12 |
| University Hospital, Montpellier | 9 |
| University of Wisconsin, Madison | 9 |
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 | 778 |
| Pulmonary Disease, Chronic Obstructive | 103 |
| Lung Diseases | 65 |
| Hypersensitivity | 44 |
| Rhinitis, Allergic | 30 |
| Obesity | 25 |
| Heart Failure | 20 |
| Inflammation | 20 |
| Respiratory Sounds | 18 |
| Dermatitis, Atopic | 15 |
Trials
Showing 1 to 25 of 778. Each trial links to its page on Pharma Observatory.
678 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.