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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
Completed Phase 4 Interventional Results available

Study to Evaluate Armodafinil Treatment in Improving Prefrontal Cortical Activation and Working Memory Performance

NCT00711516
View directory record Official record
Conditions
Excessive Sleepiness
Interventions
Armodafinil, Placebo
Drug
Lead sponsor
Cephalon
Industry
Eligibility
18 Years to 60 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
9
States / cities
Burlingame, California • San Diego, California • Stanford, California + 5 more
Source: ClinicalTrials.gov public record
Updated Jul 18, 2013 · Synced Jun 10, 2026, 4:12 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 Jun 10, 2026, 4:12 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 Jun 10, 2026, 4:12 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 Jun 10, 2026, 4:12 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

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

NCT00107809
View directory record Official record
Conditions
Sleep Apnea, Obstructive
Interventions
Modafinil
Drug
Lead sponsor
Cephalon
Industry
Eligibility
6 Years to 16 Years
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2005
U.S. locations
60
States / cities
Birmingham, Alabama • Tucson, Arizona • Fort Smith, Arkansas + 51 more
Source: ClinicalTrials.gov public record
Updated May 8, 2014 · Synced Jun 10, 2026, 4:12 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 Jun 10, 2026, 4:12 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

The Effect of Tooth Position During Orthodontic Treatment on the Apnea/ Hypopnea Index (AHI)

NCT03299023
View directory record Official record
Conditions
Obstructive Sleep Apnea, Orthodontic Tooth Movement, Apnea, Sleep Disordered Breathing
Interventions
Medibyte Portable Monitor
Other
Lead sponsor
Harvard School of Dental Medicine
Other
Eligibility
8 Years and older
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 10, 2018 · Synced Jun 10, 2026, 4:12 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 Jun 10, 2026, 4:12 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 Jun 10, 2026, 4:12 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 Jun 10, 2026, 4:12 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 Jun 10, 2026, 4:12 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 Jun 10, 2026, 4:12 AM 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 18, 2013 · Synced Jun 10, 2026, 4:12 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 Jun 10, 2026, 4:12 AM EDT
Completed Phase 1Phase 2 Interventional Results available

A Study of VI-0521 for the Treatment of Obstructive Sleep Apnea / Hypopnea Syndrome in Obese Adults

NCT00745251
View directory record Official record
Conditions
Sleep Apnea
Interventions
VI-0521, placebo
Drug
Lead sponsor
VIVUS LLC
Industry
Eligibility
30 Years to 65 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Oct 4, 2012 · Synced Jun 10, 2026, 4:12 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 Jun 10, 2026, 4:12 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 Jun 10, 2026, 4:12 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 Jun 10, 2026, 4:12 AM EDT
Completed Phase 4 Interventional Results available

The Impact of Arousal Threshold in Obstructive Sleep Apnea

NCT02264353
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Donepezil, placebo
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 70 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Aug 7, 2019 · Synced Jun 10, 2026, 4:12 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 Jun 10, 2026, 4:12 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 Jun 10, 2026, 4:12 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 Jun 10, 2026, 4:12 AM 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 22, 2026 · Synced Jun 10, 2026, 4:12 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 Jun 10, 2026, 4:12 AM EDT