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ClinicalTrials.gov public records Last synced Sep 25, 2026, 6:07 AM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Hypopnea Clear all
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 22, 2026 · Synced Sep 25, 2026, 6:07 AM EDT
Completed Early Phase 1 Interventional

Promoting Continuous Positive Airway Pressure (CPAP) Adherence

NCT01335854
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Web-based Access to CPAP Data, Web-based Access to CPAP Data with Financial Incentive
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
135 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
2
States / cities
Philadelphia, Pennsylvania • Wynnewood, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 21, 2014 · Synced Sep 25, 2026, 6:07 AM EDT
Not listed No phase listed Observational

Is My Sleep Tracker Tracking my Sleep?

NCT06174558
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Sleep Tracking Devices
Device
Lead sponsor
Respiratory Specialists
Other
Eligibility
18 Years and older
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Wyomissing, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 18, 2024 · Synced Sep 25, 2026, 6:07 AM EDT
Completed Phase 4 Interventional Results available

Treatment of Sleep Disordered Breathing In Acute Decompensated Heart Failure Patients

NCT00804349
View directory record Official record
Conditions
Heart Failure, Sleep Apnea Syndromes
Interventions
Autotitrating Positive Airway Pressure
Device
Lead sponsor
Albert Einstein Healthcare Network
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 8, 2020 · Synced Sep 25, 2026, 6:07 AM EDT
Completed No phase listed Observational

Improving the STOP-Bang Screening Questionnaire for Patients With Sleep Apnea

NCT01610648
View directory record Official record
Conditions
Sleep Apnea, Metabolic Syndrome
Interventions
Not listed
Lead sponsor
Tufts Medical Center
Other
Eligibility
18 Years and older
Enrollment
258 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 20, 2016 · Synced Sep 25, 2026, 6:07 AM EDT
Recruiting No phase listed Observational

Inspire UAS High Apnea Hypopnea Index (AHI)/High Body Mass Index (BMI) Post-Approval Study

NCT07113288
View directory record Official record
Conditions
Obstructive Sleep Apnea (OSA)
Interventions
Inspire® UAS System
Device
Lead sponsor
Inspire Medical Systems, Inc.
Industry
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2032
U.S. locations
5
States / cities
Colorado Springs, Colorado • Bradenton, Florida • Chicago, Illinois + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 26, 2026 · Synced Sep 25, 2026, 6:07 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Effectiveness of Continuous Negative External Pressure in Preventing Upper Airway Impairment During Routine Colonoscopy

NCT01895062
View directory record Official record
Conditions
Airway Obstruction, Apnea, Hypopnea
Interventions
Airway Management System (AMS)
Device
Lead sponsor
5i Sciences, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Aug 5, 2014 · Synced Sep 25, 2026, 6:07 AM EDT
Terminated Not applicable Interventional Results available

CPAP vs AutoCPAP for Treatment of Obstructive Sleep Apnea (OSA) in the Postoperative Setting

NCT00588848
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Autoadjusting CPAP (VPAP Auto), CPAP
Device
Lead sponsor
MetroHealth Medical Center
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 13, 2019 · Synced Sep 25, 2026, 6:07 AM 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 25, 2026, 6:07 AM EDT
Withdrawn No phase listed Observational

Integrated Pulmonary Index (IPI) as a Determinate of Weaning Success and/or Failure in the Pediatric Population

NCT01795196
View directory record Official record
Conditions
Respiratory Insufficiency
Interventions
Not listed
Lead sponsor
Rush University Medical Center
Other
Eligibility
1 Year to 18 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 27, 2022 · Synced Sep 25, 2026, 6:07 AM EDT
Completed Not applicable Interventional Results available

The Effects of Trazodone on Sleep Apnea Severity

NCT01817907
View directory record Official record
Conditions
Sleep Apnea, Obstructive
Interventions
Placebo pill, Trazodone
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 23, 2017 · Synced Sep 25, 2026, 6:07 AM EDT
Completed No phase listed Observational

Point-of-care-Ultrasound for Sleep Apnea

NCT04443582
View directory record Official record
Conditions
Sleep Apnea, Obstructive
Interventions
Not listed
Lead sponsor
Rakesh Sondekoppam Vijayashankar
Other
Eligibility
18 Years to 85 Years
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Feb 27, 2022 · Synced Sep 25, 2026, 6:07 AM EDT
Completed Not applicable Interventional Results available

Transcend Auto vs Commercially Available Device Clinical Evaluation for Treatment of Obstructive Sleep Apnea (OSA)

NCT01799265
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Somnetics Transcend Auto, Respironics REMstar Auto with C-Flex
Device
Lead sponsor
Somnetics International, Inc.
Industry
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
3
States / cities
Coon Rapids, Minnesota • Plymouth, Minnesota • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jan 12, 2025 · Synced Sep 25, 2026, 6:07 AM EDT
Recruiting Phase 4 Interventional

Effect of Oxymetazoline Hydrochloride in Combination With Fluticasone Propionate on the Apnea Hypopnea Index (AHI) in Subject With Persistent Nasal Congestion and Mild Obstructive Sleep Apnea

NCT02630121
View directory record Official record
Conditions
Sleep Apnea, Chronic Nasal Congestion
Interventions
Oxymetazoline Hydrochloride, Placebo
Drug
Lead sponsor
University of South Florida
Other
Eligibility
18 Years to 65 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Jan 23, 2025 · Synced Sep 25, 2026, 6:07 AM EDT
Completed Not applicable Interventional Results available

Effect of Added Varnum Mouthpiece on Pharyngeal Collapsibility and Sleep Apnea Severity in Mouth Breathers.

NCT02738255
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Varnum mouthpiece
Device
Lead sponsor
David Andrew Wellman
Other
Eligibility
21 Years to 70 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 3, 2022 · Synced Sep 25, 2026, 6:07 AM EDT
Recruiting No phase listed Observational

A Prospective Study to Evaluate the WP in Comparison to PSG in Patients Suspected of Sleep Disorders

NCT06093633
View directory record Official record
Conditions
Sleep Disorder
Interventions
Not listed
Lead sponsor
Itamar-Medical, Israel
Industry
Eligibility
12 Years to 99 Years
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
2
States / cities
Baltimore, Maryland • Towson, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 21, 2025 · Synced Sep 25, 2026, 6:07 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Study Will Test the Theory That Training With the Facial-Flex Exercise Device Will Improve Snoring in Patients

NCT01554904
View directory record Official record
Conditions
Primary Snoring, Sleep Apnea
Interventions
Facial-Flex
Device
Lead sponsor
Facial Concepts, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Apr 30, 2013 · Synced Sep 25, 2026, 6:07 AM EDT
Completed Not applicable Interventional

Evaluation of Auto-EPAP for Management of Upper Airway Obstruction During Non-Invasive Ventilation

NCT06560411
View directory record Official record
Conditions
Obstructive Sleep Apnea, Obesity Hypoventilation Syndrome (OHS), Chronic Obstructive Pulmonary Disease (COPD), Neuromuscular Diseases (NMD)
Interventions
Non-Invasive Ventilation
Device
Lead sponsor
Breas Medical, Inc.
Industry
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
4
States / cities
Scottsdale, Arizona • San Diego, California • Colorado Springs, Colorado + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 27, 2026 · Synced Sep 25, 2026, 6:07 AM EDT
Completed Not applicable Interventional Results available

DeVilbiss AutoAdjust With SmartFlex Comparative Study

NCT01203956
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
SmartFlex, Standard
Device
Lead sponsor
DeVilbiss Healthcare LLC
Industry
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
2
States / cities
Dallas, Texas • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Apr 27, 2015 · Synced Sep 25, 2026, 6:07 AM 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 25, 2026, 6:07 AM EDT
Not yet recruiting Phase 4 Interventional Accepts healthy volunteers

Central Apnea in Heart Failure: Physiological Mechanisms to Inform Treatment

NCT07210606
View directory record Official record
Conditions
Sleep Disordered Breathing, Able Bodied
Interventions
Trazodone + PAP therapy, Oxygen + PAP therapy
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 6, 2026 · Synced Sep 25, 2026, 6:07 AM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Central Sleep Apnea : Physiologic Mechanisms to Inform Treatment

NCT04118387
View directory record Official record
Conditions
Sleep Disordered Breathing, Able Bodied
Interventions
Acetazolamide + supplemental oxygen + PAP therapy, Zolpidem + PAP therapy, Buspirone + PAP therapy
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 19, 2026 · Synced Sep 25, 2026, 6:07 AM 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 18, 2013 · Synced Sep 25, 2026, 6:07 AM EDT
Terminated No phase listed Observational Results available

Prospective Study to Evaluate Outcomes From Transoral BOT Resection for OSAHS

NCT01107795
View directory record Official record
Conditions
Obstructive Sleep Apnea Hypopnea Syndrome (OSAHS)
Interventions
Transoral Robotic Surgery
Procedure
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2019
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jan 5, 2020 · Synced Sep 25, 2026, 6:07 AM EDT