Clinical trials
Observational Respiratory Tract Diseases trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
81 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2000 | 1 |
| 2001 | 3 |
| 2005 | 1 |
| 2006 | 2 |
| 2007 | 1 |
| 2009 | 2 |
| 2010 | 1 |
| 2011 | 4 |
| 2012 | 2 |
| 2014 | 3 |
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 3 |
| 2020 | 8 |
| 2021 | 7 |
| 2022 | 6 |
| 2023 | 7 |
| 2024 | 6 |
| 2025 | 7 |
| 2026 | 1 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 39 |
| Unknown status | 17 |
| Recruiting | 10 |
| Active, not recruiting | 9 |
| Terminated | 4 |
| Not yet recruiting | 2 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| National Center for Research Resources (NCRR) | 9 |
| AstraZeneca | 4 |
| Beijing Children's Hospital | 2 |
| Beijing Tongren Hospital | 2 |
| National Heart, Lung, and Blood Institute (NHLBI) | 2 |
| Pfizer | 2 |
| Royal Brompton & Harefield NHS Foundation Trust | 2 |
| 23andMe, Inc. | 1 |
| A. Vogel AG | 1 |
| Abt Associates | 1 |
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 |
|---|---|
| Respiratory Tract Diseases | 81 |
| Lung Diseases | 20 |
| Rare Diseases | 12 |
| Pulmonary Disease, Chronic Obstructive | 11 |
| Genetic Diseases, Inborn | 9 |
| Neoplasms | 9 |
| Lung Neoplasms | 8 |
| Asthma | 7 |
| Cystic Fibrosis | 7 |
| Cardiovascular Diseases | 6 |
Trials
Showing 76 to 81 of 81. Each trial links to its page 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.