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Showing 1–24 of 448 matching trials from the live ClinicalTrials.gov search.
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Completed Not applicable Interventional

Evaluation of the Toffee Nasal and Toffee Nasal Pillows Mask in Home, USA, 2022

NCT05496062
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
F&P Toffee Nasal and Toffee Nasal Pillows Masks
Device
Lead sponsor
Fisher and Paykel Healthcare
Industry
Eligibility
22 Years and older
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
2
States / cities
Miami, Florida • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated May 23, 2024 · Synced Sep 3, 2026, 3:45 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Differences in Efficacy Between Nasal and Oronasal Masks in the Treatment of OSA With CPAP

NCT01909674
View directory record Official record
Conditions
Obstructive Sleep Apnea (OSA)
Interventions
Switch CPAP mask type
Device
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 16, 2017 · Synced Sep 3, 2026, 3:45 PM EDT
Completed Not applicable Interventional Results available

Addressing Insufficient PAP Use in Older Veterans

NCT04868682
View directory record Official record
Conditions
Sleep Apnea
Interventions
PAP Adherence Program, Active Control
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
50 Years and older
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Sepulveda, California
Source: ClinicalTrials.gov public record
Updated Nov 17, 2025 · Synced Sep 3, 2026, 3:45 PM EDT
Recruiting Not applicable Interventional

Neurocognitive and Health Impact of Sleep Apnea in Elderly Veterans With Comorbid COPD

NCT02703207
View directory record Official record
Conditions
Obstructive Sleep Apnea, OSA COPD Overlap Syndrome
Interventions
Positive airway pressure, NIPPV and /or oxygen
Device
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
60 Years to 89 Years
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2027
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated May 25, 2026 · Synced Sep 3, 2026, 3:45 PM EDT
Terminated Phase 3 Interventional

Apnex Clinical Study of the Hypoglossal Nerve Stimulation (HGNS®) System to Treat Obstructive Sleep Apnea

NCT01446601
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Hypoglossal Nerve Stimulation (HGNS) System (Apnex Medical )
Device
Lead sponsor
Apnex Medical, Inc.
Industry
Eligibility
21 Years to 80 Years
Enrollment
132 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
12
States / cities
Lenexa, Kansas • Topeka, Kansas • Louisville, Kentucky + 9 more
Source: ClinicalTrials.gov public record
Updated Apr 14, 2015 · Synced Sep 3, 2026, 3:45 PM EDT
Terminated No phase listed Observational

Treatment of Dyspnea in Do-not-intubate Patients

NCT02114944
View directory record Official record
Conditions
Acute Respiratory Failure, Acute on Chronic Respiratory Failure, Dyspnea
Interventions
NIV, CPAP, Standard oxygen, HFNC
Device
Lead sponsor
Tufts Medical Center
Other
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 12, 2025 · Synced Sep 3, 2026, 3:45 PM EDT
Not listed Not applicable Interventional

Oscillating Positive Expiratory Pressure (OPEP) Therapy in Trauma Patients With Multiple Rib Fractures

NCT04100512
View directory record Official record
Conditions
Rib Fractures, Respiratory Complication
Interventions
Oscillating Positive Expiratory Pressure Device, Incentive spirometry
Device
Lead sponsor
Poudre Valley Health System
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Loveland, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 18, 2022 · Synced Sep 3, 2026, 3:45 PM EDT
Completed Not applicable Interventional Results available

Sleepiness and the Effects of CPAP on Salivary Cortisol and Alpha-Amylase Levels in Patients With Sleep Apnea

NCT01196117
View directory record Official record
Conditions
Sleep Apnea, Sleep Disordered Breathing
Interventions
14 days of placebo therapy, 14 days of CPAP therapy
Device
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years to 90 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2011
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Mar 31, 2020 · Synced Sep 3, 2026, 3:45 PM EDT
Completed Not applicable Interventional

Sleep Disordered Breathing and Its Impact on Neuro-cognitive Performance and Quality of Life in Parkinson Disease

NCT02034357
View directory record Official record
Conditions
Parkinson's Disease, Sleep Disordered Breathing, Sleep Obstructive Apnea
Interventions
Neurocognitive function, Sleep evaluations
Other
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
89 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Mar 23, 2016 · Synced Sep 3, 2026, 3:45 PM EDT
Terminated Not applicable Interventional Results available

A Pilot Study to Assess the Effects of a Novel Application of Averaged Volume Assured Pressure Support Ventilation (AVAPS-AE) Therapy on Re-hospitalization in Patients With Sleep-Disordered Breathing With Co-morbid COPD

NCT02446769
View directory record Official record
Conditions
Breathing-Related Sleep Disorder
Interventions
AVAPS-AE Non-invasive ventilation therapy
Device
Lead sponsor
Philips Respironics
Industry
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Aug 4, 2020 · Synced Sep 3, 2026, 3:45 PM EDT
Completed Not applicable Interventional

Autonomic Function in Obstructive Sleep Apnea

NCT00681161
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
continuous positive airway pressure (CPAP)
Other
Lead sponsor
Vanderbilt University
Other
Eligibility
21 Years to 80 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2012
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Feb 23, 2017 · Synced Sep 3, 2026, 3:45 PM EDT
Recruiting Phase 3 Interventional

Continuous Positive Airway Pressure, Arousability and Links to Mechanisms in Obstructive Sleep Apnea

NCT07332442
View directory record Official record
Conditions
Sleep Apnea, Obstructive Sleep Apnea
Interventions
Eszopiclone, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
North Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Sep 3, 2026, 3:45 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

Project 4A: Inspiratory Muscle Training and Diaphragm Strength

NCT02367170
View directory record Official record
Conditions
Sepsis
Interventions
Bilateral phrenic nerve stimulation and measurement of transdiaphragmatic pressure, Midazolam, Volitional Measurement of Maximal Inspiratory Pressure (MIP), Inspiratory Muscle Strength Training (IMST), SHAM Inspiratory Muscle Strength Training (IMST), Diaphragm thickness measurement, Blood and Urine samples
Procedure · Drug · Device + 1 more
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated May 6, 2018 · Synced Sep 3, 2026, 3:45 PM EDT
Completed No phase listed Observational

3D Imaging of Neonatal Faces

NCT02603796
View directory record Official record
Conditions
Nose Deformities, Acquired
Interventions
3D Scan of nares
Other
Lead sponsor
Sharp HealthCare
Other
Eligibility
24 Weeks to 42 Weeks
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jul 24, 2016 · Synced Sep 3, 2026, 3:45 PM EDT
Completed Not applicable Interventional Results available

Feasibility of Improving Sleep Apnea Treatment Adherence After Brain Injury

NCT04221009
View directory record Official record
Conditions
Sleep Apnea, Obstructive, Brain Injuries, Traumatic
Interventions
MI and CBT 4-session manualized intervention
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Jul 7, 2024 · Synced Sep 3, 2026, 3:45 PM EDT
Completed Not applicable Interventional Results available

Effective Treatment of Sleep Apnea in Prediabetes to Reduce Cardiometabolic Risk

NCT01156116
View directory record Official record
Conditions
Diabetes, Sleep Apnea
Interventions
CPAP mask, Placebo
Device · Drug
Lead sponsor
University of Chicago
Other
Eligibility
45 Years to 75 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 26, 2015 · Synced Sep 3, 2026, 3:45 PM EDT
Completed No phase listed Observational

Sleep Apnea in Heart Failure With Preserved Ejection Fraction

NCT05008432
View directory record Official record
Conditions
Heart Failure, Obstructive Sleep Apnea
Interventions
Home sleep apnea testing
Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 99 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 27, 2024 · Synced Sep 3, 2026, 3:45 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Non-invasive Tidal Volume Monitoring Using the Linshom Respiratory Monitoring Device

NCT03279458
View directory record Official record
Conditions
Pulmonary Ventilation, Capnography
Interventions
Linshom Respiratory Monitoring Device
Device
Lead sponsor
University of Mississippi Medical Center
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Jackson, Mississippi
Source: ClinicalTrials.gov public record
Updated Jul 4, 2018 · Synced Sep 3, 2026, 3:45 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 3, 2026, 3:45 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Mechanisms for Individual Differences in Hypertension in Obstructive Sleep

NCT03176732
View directory record Official record
Conditions
Sleep Apnea, Obstructive, Hypertension
Interventions
Positive Airway Pressure
Device
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 75 Years
Enrollment
155 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 25, 2023 · Synced Sep 3, 2026, 3:45 PM EDT
Active, not recruiting Not applicable Interventional

MCI: CPAP Treatment of OSA (Memories2)

NCT03113461
View directory record Official record
Conditions
Mild Cognitive Impairment, Sleep Apnea, Obstructive
Interventions
CPAP
Device
Lead sponsor
University of Pennsylvania
Other
Eligibility
55 Years to 85 Years
Enrollment
327 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
4
States / cities
St Louis, Missouri • Philadelphia, Pennsylvania • Austin, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 11, 2023 · Synced Sep 3, 2026, 3:45 PM EDT
Recruiting Not applicable Interventional

The Effects of Successful OSA Treatment on Memory and AD Biomarkers in Older Adults Study

NCT05988385
View directory record Official record
Conditions
Obstructive Sleep Apnea, Cognitive Decline
Interventions
Positive airway pressure, Oral appliance therapy, Positional therapy
Device
Lead sponsor
California Pacific Medical Center Research Institute
Other
Eligibility
55 Years to 85 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
4
States / cities
Tucson, Arizona • New York, New York • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Sep 3, 2026, 3:45 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Positive Pressure Treatment of Obstructive Sleep Apnea

NCT00636181
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Auto AFlex, Auto CPAP, CPAP
Device
Lead sponsor
Philips Respironics
Industry
Eligibility
21 Years to 75 Years
Enrollment
168 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
4
States / cities
Birmingham, Alabama • Stanford, California • New Haven, Connecticut + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 12, 2019 · Synced Sep 3, 2026, 3:45 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluating the Utility of Continuous Positive Airway Pressure in the Treatment of High Altitude Pulmonary Edema

NCT04186598
View directory record Official record
Conditions
Continuous Positive Airway Pressure, High Altitude Pulmonary Edema
Interventions
CPAP mask system, Nifedipine 30 MG, CPAP mask system without PEEP
Device · Drug
Lead sponsor
CommonSpirit Health
Other
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Breckenridge, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 6, 2024 · Synced Sep 3, 2026, 3:45 PM EDT