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| Withdrawn | 146 |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 1 to 25 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.