Clinical trials
Asthma trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
4,456 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 30 |
| 2001 | 37 |
| 2002 | 68 |
| 2003 | 91 |
| 2004 | 107 |
| 2005 | 143 |
| 2006 | 173 |
| 2007 | 207 |
| 2008 | 188 |
| 2009 | 209 |
| 2010 | 214 |
| 2011 | 208 |
| 2012 | 232 |
| 2013 | 161 |
| 2014 | 160 |
| 2015 | 199 |
| 2016 | 181 |
| 2017 | 197 |
| 2018 | 155 |
| 2019 | 184 |
| 2020 | 136 |
| 2021 | 187 |
| 2022 | 170 |
| 2023 | 176 |
| 2024 | 199 |
| 2025 | 154 |
| 2026 | 144 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 3,071 |
| Unknown status | 469 |
| Recruiting | 296 |
| Terminated | 238 |
| Withdrawn | 146 |
| Not yet recruiting | 103 |
| Active, not recruiting | 99 |
| Enrolling by invitation | 24 |
| Suspended | 9 |
| Approved for marketing | 1 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| AstraZeneca | 310 |
| GlaxoSmithKline | 261 |
| National Heart, Lung, and Blood Institute (NHLBI) | 76 |
| Novartis Pharmaceuticals | 73 |
| Boehringer Ingelheim | 62 |
| Chiesi Farmaceutici S.p.A. | 62 |
| Organon and Co | 61 |
| Teva Branded Pharmaceutical Products R&D, Inc. | 44 |
| Imperial College London | 43 |
| Brigham and Women's Hospital | 39 |
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 | 4,456 |
| Pulmonary Disease, Chronic Obstructive | 437 |
| Hypersensitivity | 185 |
| Lung Diseases | 148 |
| Rhinitis, Allergic | 120 |
| Obesity | 91 |
| Disease | 83 |
| Respiratory Sounds | 72 |
| Inflammation | 71 |
| Heart Failure | 68 |
Trials
Showing 26 to 50 of 4,456. Each trial links to its page on Pharma Observatory.
4,356 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.