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Showing 1–24 of 50 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 Jul 22, 2026, 5:00 AM EDT
Completed Phase 4 Interventional Results available

Efficacy and Safety of Armodafinil for Adults With Excessive Sleepiness Obstructive Sleep Apnea/Hypopnea and Depression

NCT00518986
View directory record Official record
Conditions
Sleep Disorders, Obstructive Sleep Apnea, Major Depressive Disorder, Dysthymic Disorder
Interventions
armodafinil, placebo
Drug
Lead sponsor
Cephalon
Industry
Eligibility
18 Years to 65 Years
Enrollment
249 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
62
States / cities
Jasper, Alabama • Phoenix, Arizona • Tucson, Arizona + 50 more
Source: ClinicalTrials.gov public record
Updated Jul 18, 2013 · Synced Jul 22, 2026, 5:00 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 Jul 22, 2026, 5:00 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 Jul 22, 2026, 5:00 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 Jul 22, 2026, 5:00 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 Jul 22, 2026, 5:00 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 Jul 22, 2026, 5:00 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 Jul 22, 2026, 5:00 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 Jul 22, 2026, 5:00 AM EDT
Not yet recruiting Not applicable Interventional

Serene Sleep Palatal Implant System Clinical Confirmatory Trial in Participants Who Snore or Are Diagnosed With Mild-to-moderate Obstructive Sleep Apnea (OSA).

NCT07613281
View directory record Official record
Conditions
Snoring, OSA - Obstructive Sleep Apnea
Interventions
Palatal Implant System
Device
Lead sponsor
Serene Sleep, Inc.
Industry
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
2
States / cities
San Francisco, California • Evans, Georgia
Source: ClinicalTrials.gov public record
Updated May 31, 2026 · Synced Jul 22, 2026, 5:00 AM EDT
Recruiting No phase listed Observational

Pediatric Post-Approval Registry

NCT04457154
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Inspire Upper Airway Stimulation System
Device
Lead sponsor
Inspire Medical Systems, Inc.
Industry
Eligibility
18 Years to 21 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
8
States / cities
Aurora, Colorado • Atlanta, Georgia • Durham, North Carolina + 5 more
Source: ClinicalTrials.gov public record
Updated Feb 24, 2025 · Synced Jul 22, 2026, 5:00 AM 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 8, 2019 · Synced Jul 22, 2026, 5:00 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

PROVIGIL® (Modafinil) Treatment in Children and Adolescents With Excessive Sleepiness Associated With Narcolepsy or Obstructive Sleep Apnea/Hypopnea Syndrome

NCT00107848
View directory record Official record
Conditions
Narcolepsy, Sleep Apnea, Obstructive
Interventions
Modafinil
Drug
Lead sponsor
Cephalon
Industry
Eligibility
6 Years to 16 Years
Enrollment
280 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2005
U.S. locations
55
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 45 more
Source: ClinicalTrials.gov public record
Updated May 8, 2014 · Synced Jul 22, 2026, 5:00 AM EDT
Completed Not applicable Interventional Results available

Comparison of SomnaPatch With Polysomnography in Sleep Disordered Breathing

NCT02034175
View directory record Official record
Conditions
Obstructive Sleep Apnea, Central Sleep Apnea, Mixed Sleep Apnea, Cheyne-Stokes Respiration
Interventions
SomnaPatch, Polysomnography
Device
Lead sponsor
Somnarus Inc
Industry
Eligibility
20 Years to 85 Years
Enrollment
190 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
3
States / cities
Little Rock, Arkansas • Burlingame, California • Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Oct 2, 2019 · Synced Jul 22, 2026, 5:00 AM EDT
Completed Phase 1 Interventional Results available

A Study to Evaluate the Respiratory Safety of Lemborexant in Adult and Elderly Participants With Moderate to Severe Obstructive Sleep Apnea, and in Adult and Elderly Participants With Moderate to Severe Chronic Obstructive Pulmonary Disease

NCT04647383
View directory record Official record
Conditions
Sleep Apnea, Obstructive, Pulmonary Disease, Chronic Obstructive, Respiration Disorders
Interventions
Placebo, Lemborexant 10 mg
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
45 Years to 90 Years
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
11
States / cities
Glendale, Arizona • San Diego, California • Brandon, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Oct 9, 2023 · Synced Jul 22, 2026, 5:00 AM EDT
Completed No phase listed Observational

Extension Study of Original Protocol AERO C009 for Obstructive Sleep Apnea-hypopnea

NCT00849043
View directory record Official record
Conditions
Obstructive Sleep Apnea Hypopnea, Obstructive Sleep Apnea, OSAH
Interventions
Not listed
Lead sponsor
Ventus Medical, Inc.
Industry
Eligibility
18 Years and older
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
13
States / cities
Wallingford, Connecticut • Gainesville, Florida • Atlanta, Georgia + 10 more
Source: ClinicalTrials.gov public record
Updated Jan 25, 2011 · Synced Jul 22, 2026, 5:00 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 Jul 22, 2026, 5:00 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 Jul 22, 2026, 5:00 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 Jul 22, 2026, 5:00 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 Jul 22, 2026, 5:00 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 Jul 22, 2026, 5:00 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 Jul 22, 2026, 5:00 AM EDT
Completed Phase 4 Interventional

Randomized Study of Provent Versus Sham Device to Treat Obstructive Sleep Apnea

NCT00772044
View directory record Official record
Conditions
Obstructive Sleep Apnea Hypopnea, OSA, OSAH
Interventions
Provent Professional Sleep Apnea Therapy Device, Sham Device
Device
Lead sponsor
Ventus Medical, Inc.
Industry
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
17
States / cities
Glendale, Arizona • Phoenix, Arizona • Redwood City, California + 14 more
Source: ClinicalTrials.gov public record
Updated Mar 31, 2010 · Synced Jul 22, 2026, 5:00 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 Jul 22, 2026, 5:00 AM EDT