Clinical trials
Completed Asthma trials in the United States
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
1,181 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 10 |
| 2001 | 12 |
| 2002 | 24 |
| 2003 | 38 |
| 2004 | 41 |
| 2005 | 49 |
| 2006 | 61 |
| 2007 | 66 |
| 2008 | 69 |
| 2009 | 60 |
| 2010 | 76 |
| 2011 | 60 |
| 2012 | 80 |
| 2013 | 65 |
| 2014 | 49 |
| 2015 | 69 |
| 2016 | 52 |
| 2017 | 64 |
| 2018 | 44 |
| 2019 | 41 |
| 2020 | 32 |
| 2021 | 30 |
| 2022 | 27 |
| 2023 | 15 |
| 2024 | 9 |
| 2025 | 9 |
| 2026 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 1,181 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| GlaxoSmithKline | 93 |
| AstraZeneca | 70 |
| Teva Branded Pharmaceutical Products R&D, Inc. | 35 |
| Brigham and Women's Hospital | 26 |
| National Institute of Allergy and Infectious Diseases (NIAID) | 25 |
| Novartis Pharmaceuticals | 25 |
| University of California, San Francisco | 23 |
| National Institute of Environmental Health Sciences (NIEHS) | 22 |
| Sanofi | 21 |
| Boehringer Ingelheim | 20 |
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 | 1,181 |
| Pulmonary Disease, Chronic Obstructive | 70 |
| Hypersensitivity | 47 |
| Lung Diseases | 47 |
| Obesity | 38 |
| Respiratory Sounds | 27 |
| Lung Diseases, Obstructive | 24 |
| Bronchial Diseases | 21 |
| Respiratory Tract Diseases | 21 |
| Diabetes Mellitus | 20 |
Trials
Showing 1 to 25 of 1,181. Each trial links to its page on Pharma Observatory.
1,081 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.
Go deeper on Pharma Observatory
Pharma Observatory connects clinical trials, sponsors, sites and investigators in one searchable platform.