Clinical trials
Observational Asthma trials with unknown status
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
203 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 1 |
| 2004 | 3 |
| 2005 | 3 |
| 2006 | 1 |
| 2007 | 3 |
| 2008 | 6 |
| 2009 | 7 |
| 2010 | 5 |
| 2011 | 9 |
| 2012 | 5 |
| 2013 | 6 |
| 2014 | 1 |
| 2015 | 10 |
| 2016 | 11 |
| 2017 | 11 |
| 2018 | 7 |
| 2019 | 18 |
| 2020 | 17 |
| 2021 | 26 |
| 2022 | 17 |
| 2023 | 23 |
| 2024 | 12 |
| 2025 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Unknown status | 203 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| Imperial College London | 7 |
| Assiut University | 5 |
| National Taiwan University Hospital | 4 |
| Tel-Aviv Sourasky Medical Center | 4 |
| Assistance Publique - Hôpitaux de Paris | 3 |
| Fundació Institut de Recerca de l'Hospital de la Santa Creu i Sant Pau | 3 |
| Hospices Civils de Lyon | 3 |
| National Jewish Health | 3 |
| University Medical Center Groningen | 3 |
| University of Nottingham | 3 |
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 | 203 |
| Pulmonary Disease, Chronic Obstructive | 36 |
| Cystic Fibrosis | 9 |
| Hypersensitivity | 9 |
| Bronchiolitis | 7 |
| Rhinitis, Allergic | 7 |
| Diabetes Mellitus | 6 |
| Pneumonia | 6 |
| Bronchiectasis | 5 |
| Heart Failure | 5 |
Trials
Showing 1 to 25 of 203. Each trial links to its page on Pharma Observatory.
103 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.