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Showing 1–24 of 41 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Obstructive Sleep Apnea Hypopnea Clear all
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 4, 2026, 8:04 PM 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 Sep 4, 2026, 8:04 PM EDT
Completed Not applicable Interventional

Treating Obstructive Sleep Apnea Using Targeted Hypoglossal Neurostimulation

NCT04950894
View directory record Official record
Conditions
Obstructive Sleep Apnea, OSA, Apnea, Apnea, Obstructive, Apnea, Obstructive Sleep, Apnea+Hypopnea, Hypopnea, Sleep
Interventions
Hypoglossal Nerve Stimulation
Device
Lead sponsor
LivaNova
Industry
Eligibility
22 Years and older
Enrollment
107 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
19
States / cities
Birmingham, Alabama • Tucson, Arizona • Roseville, California + 16 more
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Sep 4, 2026, 8:04 PM 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 4, 2026, 8:04 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 18, 2013 · Synced Sep 4, 2026, 8:04 PM 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 Sep 4, 2026, 8:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Apnea Hypopnea Index Severity Versus Head Position During Sleep

NCT04086407
View directory record Official record
Conditions
Sleep Disordered Breathing, Sleep Hypopnea, Sleep Apnea, Sleep Apnea, Obstructive, Snoring
Interventions
Dual-axis inclinometer attached to the subject's forehead with tape
Device
Lead sponsor
Sleep Systems
Industry
Eligibility
21 Years to 60 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 29, 2020 · Synced Sep 4, 2026, 8:04 PM EDT
Completed Phase 4 Interventional Results available

The Impact of Venlafaxine on Apnea Hypopnea Index in Obstructive Sleep Apnea

NCT02714400
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Venlafaxine, Placebo
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 70 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Apr 16, 2020 · Synced Sep 4, 2026, 8:04 PM 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 Sep 4, 2026, 8:04 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 18, 2013 · Synced Sep 4, 2026, 8:04 PM EDT
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 Sep 4, 2026, 8:04 PM EDT
Completed Phase 3 Interventional Results available

Armodafinil (CEP-10953) for Treatment of Narcolepsy, Obstructive Sleep Apnea/Hypopnea Syndrome, or Chronic Shift Work Sleep Disorder

NCT00078312
View directory record Official record
Conditions
Narcolepsy, Sleep Apnea, Obstructive, Sleep Apnea Syndromes, Shift-Work Sleep Disorder
Interventions
CEP-10953 (Armodafinil)
Drug
Lead sponsor
Cephalon
Industry
Eligibility
18 Years to 65 Years
Enrollment
328 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
41
States / cities
Peoria, Arizona • Phoenix, Arizona • Tucson, Arizona + 35 more
Source: ClinicalTrials.gov public record
Updated Jul 18, 2013 · Synced Sep 4, 2026, 8:04 PM 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 4, 2026, 8:04 PM 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 4, 2026, 8:04 PM 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 4, 2026, 8:04 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Assessment of PPG & PAT to Detect Upper Airway Obstruction in Patients With Obstructive Sleep Apnea

NCT01831583
View directory record Official record
Conditions
Sleep Apnea, Obstructive
Interventions
Measurement of PPG waveforms, Measurement of Pulse Arrival Time (PAT)
Device
Lead sponsor
Sotera Wireless, Inc.
Industry
Eligibility
21 Years and older
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Escondido, California
Source: ClinicalTrials.gov public record
Updated Apr 14, 2013 · Synced Sep 4, 2026, 8:04 PM 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 4, 2026, 8:04 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

TipTraQ Home Sleep Test Validation Study, Duke

NCT06351878
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Not listed
Lead sponsor
PranaQ Pte. Ltd.
Industry
Eligibility
20 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 21, 2024 · Synced Sep 4, 2026, 8:04 PM 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 4, 2026, 8:04 PM 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 4, 2026, 8:04 PM 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 Sep 4, 2026, 8:04 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 22, 2026 · Synced Sep 4, 2026, 8:04 PM 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 4, 2026, 8:04 PM 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 Sep 4, 2026, 8:04 PM EDT