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ClinicalTrials.gov public records Last synced Oct 26, 2026, 11:13 PM EDT

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Showing 25–48 of 824 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Obstructive Apnea Clear all
Completed No phase listed Observational

Effect of Nasal CPAP on Cardiopulmonary Exercise Testing in Patients With Overlap Syndrome

NCT01033266
View directory record Official record
Conditions
Obstructive Sleep Apnea, Chronic Obstructive Pulmonary Disease
Interventions
CPET
Diagnostic Test
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
2
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Apr 14, 2020 · Synced Oct 26, 2026, 11:13 PM EDT
Completed Not applicable Interventional

Nocturnal Hypertension and Non-Dipping Blood Pressure

NCT03128177
View directory record Official record
Conditions
Hypertension, Obstructive Sleep Apnea
Interventions
Dietary sodium
Dietary Supplement
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
48 Years to 65 Years
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jun 11, 2020 · Synced Oct 26, 2026, 11:13 PM EDT
Not listed Not applicable Interventional

Peer-Driven Intervention for Sleep Apnea

NCT02056002
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Usual Care, Peer-Buddy System
Other
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 85 Years
Enrollment
362 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 5, 2017 · Synced Oct 26, 2026, 11:13 PM EDT
Completed Phase 3 Interventional Results available

Extension Study of the Safety and Efficacy of Armodafinil in the Treatment of Patients With Excessive Sleepiness

NCT00228553
View directory record Official record
Conditions
Excessive Daytime Sleepiness, Narcolepsy, Obstructive Sleep Apnea/Hypopnea Syndrome, Chronic Shift Work Sleep Disorder
Interventions
Armodafinil 100 to 250 mg/day
Drug
Lead sponsor
Cephalon
Industry
Eligibility
18 Years to 65 Years
Enrollment
743 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
74
States / cities
Birmingham, Alabama • Phoenix, Arizona • Hot Springs, Arkansas + 64 more
Source: ClinicalTrials.gov public record
Updated Jul 19, 2013 · Synced Oct 26, 2026, 11:13 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

An Observational Study of Post-cesarean Delivery Respiratory Patterns Using a Non-invasive Minute Ventilation Monitor (Exspiron ™ System)

NCT02903173
View directory record Official record
Conditions
Pregnancy, Analgesia, Respiratory Depression, Obstructive Sleep Apnea, Postpartum
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
18 Years and older · Female only
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 24, 2019 · Synced Oct 26, 2026, 11:13 PM EDT
Completed Phase 3 Interventional Results available

Study to Assess Patient Reported Outcomes With Armodafinil Treatment for Excessive Sleepiness in Adults With Narcolepsy or Obstructive Sleep Apnea/Hypopnea Syndrome

NCT00228566
View directory record Official record
Conditions
Excessive Daytime Sleepiness, Narcolepsy, Obstructive Sleep Apnea/Hypopnea Syndrome (OSAHS)
Interventions
Armodafinil
Drug
Lead sponsor
Cephalon
Industry
Eligibility
18 Years to 65 Years
Enrollment
247 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
43
States / cities
Birmingham, Alabama • Tuscaloosa, Alabama • Phoenix, Arizona + 37 more
Source: ClinicalTrials.gov public record
Updated Jul 19, 2013 · Synced Oct 26, 2026, 11:13 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Comparison of a Demand Oxygen Delivery

NCT06609694
View directory record Official record
Conditions
Obstructive Apnea
Interventions
Portable oxygen concentrator Inogen G5 model
Device
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
5 Years to 17 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 7, 2026 · Synced Oct 26, 2026, 11:13 PM EDT
Completed Not applicable Interventional Results available

Optiflow THRIVE for Delivery of Oxygen to Patients During Total Intravenous Anesthesia While Undergoing Radiology Procedures

NCT04171037
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Oxygen Therapy, Questionnaire Administration, Optiflow THRIVE
Procedure · Other · Device
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 24, 2025 · Synced Oct 26, 2026, 11:13 PM EDT
Withdrawn Phase 2 Interventional

Post-Operative Steroids After Sleep Surgery

NCT06818981
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
8mg dexamethasone
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 26, 2026, 11:13 PM EDT
Completed Phase 2 Interventional

A Study to Assess the Efficacy and Safety of Lorundrostat in Participants With Obstructive Sleep Apnea and Hypertension

NCT06785454
View directory record Official record
Conditions
Obstructive Sleep Apnea, Hypertension
Interventions
Lorundrostat, Placebo
Drug
Lead sponsor
Mineralys Therapeutics Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
27
States / cities
Tuscaloosa, Alabama • Chandler, Arizona • Little Rock, Arkansas + 24 more
Source: ClinicalTrials.gov public record
Updated Aug 21, 2026 · Synced Oct 26, 2026, 11:13 PM EDT
Not yet recruiting Not applicable Interventional

Pediatric/Adolescent WatchPAT 400 Reliability Pilot Study

NCT07851402
View directory record Official record
Conditions
Pediatric Sleep Disordered Breathing, Obstructive Sleep Apnea
Interventions
WatchPAT 400
Device
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
6 Years to 18 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Hummelstown, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 26, 2026, 11:13 PM EDT
Completed Not applicable Interventional Results available

Auto Continuous Positive Airway Pressure (CPAP) Based Energy Spectrum Analysis of Flow for Treatment of Obstructive Sleep Apnea Hypopnea Syndrome (OSAHS)

NCT00750165
View directory record Official record
Conditions
Sleep Apnea, Obstructive
Interventions
SleepStyle 200 Auto Series CPAP Humidifier
Device
Lead sponsor
Fisher and Paykel Healthcare
Industry
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 9, 2019 · Synced Oct 26, 2026, 11:13 PM EDT
Completed No phase listed Observational Results available

Prevalence of Sleep Apnea in Patients Presenting for Hip or Knee Replacement Surgery

NCT00874822
View directory record Official record
Conditions
Sleep Apnea, Obstructive
Interventions
Not listed
Lead sponsor
University of Nebraska
Other
Eligibility
18 Years and older
Enrollment
216 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Sep 18, 2023 · Synced Oct 26, 2026, 11:13 PM EDT
Recruiting Not applicable Interventional

NPA-OSA Device Tolerability, Usability and Acclimation Clinical Study in Adult Obstructive Sleep Apnea (OSA) Patients

NCT06677151
View directory record Official record
Conditions
Sleep Apnea, Obstructive
Interventions
nasopharyngeal airway obstructive sleep apnea (NPA-OSA) device
Device
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
2
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 12, 2026 · Synced Oct 26, 2026, 11:13 PM EDT
Not listed Not applicable Interventional

The PREDICTOR Study: Assessing Diagnostic Predictors of Airway Collapse in Patients With Obstructive Sleep Apnea

NCT05428839
View directory record Official record
Conditions
Sleep Apnea, Obstructive
Interventions
Pharyngeal width measurement
Diagnostic Test
Lead sponsor
Inspire Medical Systems, Inc.
Industry
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
10
States / cities
Scottsdale, Arizona • Chicago, Illinois • Mason City, Iowa + 6 more
Source: ClinicalTrials.gov public record
Updated Oct 17, 2024 · Synced Oct 26, 2026, 11:13 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Sparkle Respiratory Effort Validation

NCT04630639
View directory record Official record
Conditions
Sleep Apnea, Obstructive, Sleep Apnea, Central
Interventions
Sparkle
Device
Lead sponsor
Philips Clinical & Medical Affairs Global
Industry
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 23, 2021 · Synced Oct 26, 2026, 11:13 PM EDT
Completed Not applicable Interventional Results available

Etiology of Sleep Apnea-related Hyperaldosteronism - BP Treatment

NCT01897727
View directory record Official record
Conditions
Obstructive Sleep Apnea, Resistant Hypertension, Hyperaldosteronism
Interventions
Spironolactone, BP medication uptitration
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years to 80 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2009
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jan 15, 2014 · Synced Oct 26, 2026, 11:13 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

TranQuill™ Sling Snoreplasty for Snoring and Mild Obstructive Sleep Apnea:

NCT02364518
View directory record Official record
Conditions
Snoring, Obstructive Sleep Apnea
Interventions
Snoreplasty
Procedure
Lead sponsor
Medical University of South Carolina
Other
Eligibility
22 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Sep 10, 2018 · Synced Oct 26, 2026, 11:13 PM EDT
Completed Early Phase 1 Interventional

3D-Printed CPAP Masks for Children With Obstructive Sleep Apnea

NCT02261857
View directory record Official record
Conditions
Sleep Apnea, Obstructive, Craniofacial Abnormalities, Pediatric Disorder
Interventions
Personalized continuous positive airway pressure (CPAP) mask
Device
Lead sponsor
Glenn Green
Other
Eligibility
1 Year to 18 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 16, 2020 · Synced Oct 26, 2026, 11:13 PM EDT
Recruiting Phase 4 Interventional

Endotype DIrected Treatment for OSA in Down Syndrome

NCT07280468
View directory record Official record
Conditions
Obstructive Sleep Apnea (OSA), Down Syndrome
Interventions
ato-oxy, Oxygen
Drug
Lead sponsor
University of Arizona
Other
Eligibility
6 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
5
States / cities
Tucson, Arizona • San Diego, California • Miami, Florida + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Oct 26, 2026, 11:13 PM EDT
Completed Not applicable Interventional Results available

Evaluation of an Incentive-based Intervention to Improve 90-day Adherence in PAP-Naive Patients

NCT03851094
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Wellth app
Behavioral
Lead sponsor
ResMed
Industry
Eligibility
18 Years and older
Enrollment
166 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jun 15, 2021 · Synced Oct 26, 2026, 11:13 PM EDT
Enrolling by invitation No phase listed Observational

Predicting Cardiometabolic Risk in Mild-to-Moderate Obstructive Sleep Apnea: Inflammation vs. Apnea/Hypopnea Index

NCT03062748
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Not listed
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years and older
Enrollment
196 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2027
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 23, 2026 · Synced Oct 26, 2026, 11:13 PM EDT
Completed Phase 1 Interventional

A Study to Assess the Effect of Seltorexant Compared to Placebo on Respiration During Sleep in Adult Participants With Obstructive Sleep Apnea

NCT03796026
View directory record Official record
Conditions
Sleep Apnea, Obstructive
Interventions
Seltorexant 40 mg, Placebo
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 70 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
4
States / cities
Atlanta, Georgia • New York, New York • Cincinnati, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 27, 2025 · Synced Oct 26, 2026, 11:13 PM EDT
Recruiting Not applicable Interventional

Self-Supporting Nasopharyngeal Airway (ssNPA) Treating Upper Airway Obstruction in Hypotonia

NCT05527652
View directory record Official record
Conditions
Obstructive Sleep Apnea, Hypertonia, Muscle, Nasal Airway Obstruction, Tolerance, Trisomy 21, Down Syndrome
Interventions
Self-Supporting Nasopharyngeal Airway (ssNPA)
Device
Lead sponsor
University of Michigan
Other
Eligibility
3 Years to 21 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Oct 26, 2026, 11:13 PM EDT