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Showing 1–24 of 998 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Sleep Apnea Syndrome Clear all
Completed Not applicable Interventional Results available

Non-Inferiority Study of the FRESCA Airbox Positive Airway Pressure System

NCT03999944
View directory record Official record
Conditions
Sleep Apnea
Interventions
positive airway pressure system
Device
Lead sponsor
FRESCA Medical
Industry
Eligibility
22 Years to 75 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
6
States / cities
St. Petersburg, Florida • Atlanta, Georgia • Gainesville, Georgia + 3 more
Source: ClinicalTrials.gov public record
Updated Jun 22, 2021 · Synced Sep 9, 2026, 7:32 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Sleep and Breathing in the General Population - Chemical Stimuli

NCT04720547
View directory record Official record
Conditions
Sleep-disordered Breathing
Interventions
Zolpidem, No Treatment
Drug · Other
Lead sponsor
Wayne State University
Other
Eligibility
18 Years to 89 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 5, 2023 · Synced Sep 9, 2026, 7:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Tailored Treatment to Enhance Risk Perception in Sleep Apnea

NCT02314858
View directory record Official record
Conditions
Obstructive Sleep Apnea (OSA)
Interventions
Brief Personalized Video (BPV), Non-Personalized Video (NPV), Treatment as Usual (TAU)
Behavioral
Lead sponsor
National Jewish Health
Other
Eligibility
21 Years to 80 Years
Enrollment
284 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2021
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 29, 2021 · Synced Sep 9, 2026, 7:32 PM EDT
Withdrawn Not applicable Interventional

Intraoperative Identification and Stimulation of the Glossopharyngeal Nerve

NCT05754216
View directory record Official record
Conditions
Head and Neck Cancer, Obstructive Sleep Apnea
Interventions
Nerve stimulation using nerve stimulation device and sterile wire electrode.
Device
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 30, 2025 · Synced Sep 9, 2026, 7:32 PM EDT
Completed Not applicable Interventional

The Effect of Mouth Closure on Airflow in OSA

NCT06547658
View directory record Official record
Conditions
Hypopnea, Sleep
Interventions
Mouth closure
Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 89 Years
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Sep 9, 2026, 7:32 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 10, 2020 · Synced Sep 9, 2026, 7:32 PM EDT
Completed Not applicable Interventional

Treating Sleep Apnea Induced Hypoxemia With Oxygen in Acute Stroke Patients

NCT03300063
View directory record Official record
Conditions
Stroke, Acute
Interventions
Low flow nocturnal oxygen
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 24, 2021 · Synced Sep 9, 2026, 7:32 PM EDT
Completed Not applicable Interventional Results available

Group-based Peer Support Versus Individual Education for Patients Undergoing CPAP Treatment

NCT02538419
View directory record Official record
Conditions
Sleep Apnea, Obstructive
Interventions
CPAP + Peer Support, CPAP + Individual Education
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
21 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 20, 2019 · Synced Sep 9, 2026, 7:32 PM EDT
Recruiting Not applicable Interventional

Type 1 Diabetes and Obstructive Sleep Apnea

NCT06915831
View directory record Official record
Conditions
Sleep Apnea, Obstructive, Type 1 Diabetes (T1D)
Interventions
Continuous positive airway pressure (CPAP)
Device
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 50 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 19, 2026 · Synced Sep 9, 2026, 7:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Sleep Apnea and Obesity Affects on Morphine Pharmacokinetics

NCT02732795
View directory record Official record
Conditions
Pediatric Sleep Apnea, Obesity, Morphine Metabolism
Interventions
Morphine pharmacokinetic evaluation
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
5 Years to 12 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 8, 2019 · Synced Sep 9, 2026, 7:32 PM EDT
Completed Not applicable Interventional

Opioid Use, Storage, and Disposal Among Pediatric Patients After Surgery

NCT03575377
View directory record Official record
Conditions
Tonsillitis, Sleep Disordered Breathing, Hernia, Hydrocele, Hypospadias, Undescended Testicle, Circumcision
Interventions
Disposal Aid
Other
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
1 Year to 17 Years
Enrollment
202 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 20, 2019 · Synced Sep 9, 2026, 7:32 PM EDT
Enrolling by invitation No phase listed Observational

Computer Models of Airways in Children and Young Adults With Sleep Apnea and Down Syndrome

NCT01902407
View directory record Official record
Conditions
Down Syndrome, Obstructive Sleep Apnea
Interventions
Not listed
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
1 Year to 90 Years
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2028
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 28, 2025 · Synced Sep 9, 2026, 7:32 PM EDT
Withdrawn Phase 4 Interventional

Spironolactone to Improve Apnea and Cardiovascular Markers in Obstructive Sleep Apnea Patients

NCT04205136
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Spironolactone, Placebo
Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 85 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 18, 2022 · Synced Sep 9, 2026, 7:32 PM EDT
Completed Not applicable Interventional

Improving Older Adults' Decision Making for OSAT

NCT03138993
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Patient decision aid, General sleep education
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
60 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 25, 2019 · Synced Sep 9, 2026, 7:32 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Use of High-resolution Manometry to Detect Upper Airway Obstruction During Sleep

NCT04139499
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Drug-induced sleep endoscopy (DISE), High-resolution manometry (HRM):
Procedure
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
5 Years to 90 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Nov 12, 2025 · Synced Sep 9, 2026, 7:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Influence of Sleep Apnea on Risk of Atrial Fibrillation

NCT02576587
View directory record Official record
Conditions
Sleep Apnea, Atrial Fibrillation
Interventions
Continuous Positive Airway Pressure
Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 80 Years
Enrollment
317 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 14, 2018 · Synced Sep 9, 2026, 7:32 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Optimization of Pediatric Tonsillectomy to IMprove AnaLgesia

NCT06576830
View directory record Official record
Conditions
Pain, Postoperative, Tonsillar Hypertrophy, Tonsillitis, Pediatric Sleep Apnea, Sleep-Disordered Breathing
Interventions
Methadone, Fentanyl/Hydromorphone
Drug
Lead sponsor
Duke University
Other
Eligibility
3 Years to 17 Years
Enrollment
440 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2029
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 4, 2025 · Synced Sep 9, 2026, 7:32 PM EDT
Completed Phase 2 Interventional Results available

Study of Cardiovascular Disease and Obstructive Sleep Apnea

NCT01637623
View directory record Official record
Conditions
Severe Obstructive Sleep Apnea (Apnea Hypopnea Index > 30 Events/Hour), Hypertension
Interventions
Losartan, Allopurinol, Placebo
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
21 Years to 65 Years
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
4
States / cities
Green Bay, Wisconsin • La Crosse, Wisconsin • Madison, Wisconsin + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 13, 2020 · Synced Sep 9, 2026, 7:32 PM EDT
Withdrawn No phase listed Observational

Egrifta Replacement and Sleep Disordered Breathing

NCT01788462
View directory record Official record
Conditions
Lipodystrophy
Interventions
Tesamorelin (Egrifta)
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 75 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2012
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 2, 2017 · Synced Sep 9, 2026, 7:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Cytokine Profiles in Children With Obstructive Sleep Apnea

NCT00456573
View directory record Official record
Conditions
Obstructive Sleep Apnea Syndrome
Interventions
tonsillectomy
Procedure
Lead sponsor
University of Chicago
Other
Eligibility
18 Months to 12 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 5, 2023 · Synced Sep 9, 2026, 7:32 PM EDT
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 13, 2020 · Synced Sep 9, 2026, 7:32 PM EDT
Completed No phase listed Interventional Results available

The Evaluation of a Full Face Mask Seal for the Treatment of Obstructive Sleep Apnea

NCT03230877
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Toffee full face mask with 'Improved Seal', Toffee full face mask with 'Normal Seal'
Device
Lead sponsor
Fisher and Paykel Healthcare
Industry
Eligibility
22 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Sep 7, 2022 · Synced Sep 9, 2026, 7:32 PM EDT
Completed Not applicable Interventional Results available

Trial on Oral Appliance Design for Improving Upper Airway Function and Sleep Quality

NCT03219034
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
oral appliance - A ; washout; oral appliance B, oral appliance - B; washout; oral appliance A
Device
Lead sponsor
Texas A&M University
Other
Eligibility
18 Years and older
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jan 9, 2022 · Synced Sep 9, 2026, 7:32 PM EDT
Not yet recruiting Not applicable Interventional

Enhancing PAP Adherence Among Spanish-speaking Hispanic Adults With OSA

NCT05618444
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Automated Management (AM)
Behavioral
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
4
States / cities
Fontana, California • Kansas City, Kansas • Danville, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Sep 9, 2026, 7:32 PM EDT