Clinical trials
Observational Sleep Apnea, Obstructive trials
Search ClinicalTrials.gov registrations by keyword, then narrow by condition, phase, status, country and start year.
655 trials match Source: ClinicalTrials.gov registrations
Trials started per year
By phase, 2000 to 2026.
| Category | Trials |
|---|---|
| 2001 | 1 |
| 2003 | 2 |
| 2004 | 4 |
| 2005 | 7 |
| 2006 | 9 |
| 2007 | 15 |
| 2008 | 20 |
| 2009 | 23 |
| 2010 | 19 |
| 2011 | 17 |
| 2012 | 21 |
| 2013 | 16 |
| 2014 | 33 |
| 2015 | 26 |
| 2016 | 31 |
| 2017 | 39 |
| 2018 | 36 |
| 2019 | 49 |
| 2020 | 29 |
| 2021 | 45 |
| 2022 | 33 |
| 2023 | 40 |
| 2024 | 49 |
| 2025 | 51 |
| 2026 | 38 |
Status
Trials by registry status. Select a bar to filter.
| Category | Trials |
|---|---|
| Completed | 309 |
| Unknown status | 140 |
| Recruiting | 100 |
| Not yet recruiting | 28 |
| Terminated | 24 |
| Active, not recruiting | 23 |
| Withdrawn | 18 |
| Enrolling by invitation | 11 |
| Suspended | 2 |
Top lead sponsors
A sponsor with a page on Pharma Observatory links to it.
| Category | Trials |
|---|---|
| University Hospital, Grenoble | 16 |
| Astes | 12 |
| Peking University First Hospital | 11 |
| University Hospital, Antwerp | 11 |
| Assiut University | 10 |
| Chinese University of Hong Kong | 9 |
| National Taiwan University Hospital | 9 |
| The University of Hong Kong | 9 |
| ResMed | 8 |
| University of California, San Diego | 8 |
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 |
|---|---|
| Sleep Apnea, Obstructive | 655 |
| Sleep Apnea Syndromes | 113 |
| Obesity | 29 |
| Hypertension | 27 |
| Sleep Wake Disorders | 16 |
| Sleep Apnea, Central | 15 |
| Apnea | 13 |
| Cardiovascular Diseases | 13 |
| Pulmonary Disease, Chronic Obstructive | 13 |
| Snoring | 13 |
Trials
Showing 51 to 75 of 655. Each trial links to its page on Pharma Observatory.
555 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
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