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| Withdrawn | 18 |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 1 to 25 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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