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Showing 1–24 of 27 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: sleep with and without positive pressure Clear all
Completed Not applicable Interventional Results available

Stroke and CPAP Outcome Study 2

NCT02809430
View directory record Official record
Conditions
Sleep Apnea, Obstructive, Stroke, Patient Adherence
Interventions
Continuous Positive Airway Pressure
Device
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 22, 2020 · Synced Sep 29, 2026, 7:32 PM EDT
Completed Not applicable Interventional Results available

Remote Diagnosis and Management of Obstructive Sleep Apnea

NCT03007745
View directory record Official record
Conditions
Sleep Apnea - Obstructive, Cost Effectiveness, Telemedicine
Interventions
autoadjusting continuous positive airway pressure
Device
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
435 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
3
States / cities
San Diego, California • Decatur, Georgia • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 19, 2025 · Synced Sep 29, 2026, 7:32 PM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Swallowing in OSA & CPAP Intolerance

NCT06786117
View directory record Official record
Conditions
Sleep Apnea, Obstructive, Healthy
Interventions
SLP swallowing exercises, myofunctional exercises
Other
Lead sponsor
Denise Dewald
Other
Eligibility
40 Years to 70 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 10, 2025 · Synced Sep 29, 2026, 7:32 PM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Polycystic Ovary Syndrome (PCOS) and Sleep Apnea

NCT00203996
View directory record Official record
Conditions
Polycystic Ovary Syndrome, Obstructive Sleep Apnea
Interventions
continuous positive airway pressure (CPAP), depot leuprolide plus estrogen/progestin replacement, pioglitazone, REM frag, SWS supp
Device · Drug · Procedure
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 40 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2008
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 20, 2023 · Synced Sep 29, 2026, 7:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Influence of Sleep Apnea on Risk of Atrial Fibrillation

NCT02576587
View directory record Official record
Conditions
Sleep Apnea, Atrial Fibrillation
Interventions
Continuous Positive Airway Pressure
Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 80 Years
Enrollment
317 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 14, 2018 · Synced Sep 29, 2026, 7:32 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

NEPAL (Neuromodulatory Examination of Pain and Mobility Across the Lifespan)

NCT02488863
View directory record Official record
Conditions
Musculoskeletal Pain, Pain, Chronic
Interventions
MRI Neuroimaging, Quantitative Sensory Testing, Questionnaires, Physical and Cognitive Function Testing
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2024
U.S. locations
4
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 17, 2025 · Synced Sep 29, 2026, 7:32 PM EDT
Completed Not applicable Interventional Results available

GLYCOSA Study:Effect of PAP Treatment on Glycemic Control in Patients With Type 2 Diabetes

NCT00509223
View directory record Official record
Conditions
Diabetes Mellitus Type 2
Interventions
Positive Airway Pressure therapy, Lifestyle counseling
Device · Behavioral
Lead sponsor
ResMed
Industry
Eligibility
18 Years and older
Enrollment
416 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
11
States / cities
Mission Viejo, California • Temecula, California • Coral Gables, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Dec 29, 2013 · Synced Sep 29, 2026, 7:32 PM EDT
Terminated Not applicable Interventional Results available

Assessment of Continuous Positive Airway Pressure Therapy in OSA and ILD

NCT03901534
View directory record Official record
Conditions
Interstitial Lung Disease, Obstructive Sleep Apnea
Interventions
Continuous positive airway pressure (CPAP) therapy, Nox A1 Recorder
Device
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
2,021 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
2
States / cities
Boston, Massachusetts • New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 19, 2024 · Synced Sep 29, 2026, 7:32 PM EDT
Completed Not applicable Interventional Results available

ThermoSmart® Versus Conventional Humidification in Continuous Positive Airway Pressure (CPAP)

NCT00751335
View directory record Official record
Conditions
Sleep Apnea, Obstructive
Interventions
CPAP with ThermoSmart, then CPAP without ThermoSmart, CPAP without ThermoSmart, then CPAP with ThermoSmart
Device
Lead sponsor
Fisher and Paykel Healthcare
Industry
Eligibility
18 Years and older
Enrollment
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 23, 2020 · Synced Sep 29, 2026, 7:32 PM EDT
Withdrawn Not applicable Interventional

Continuous Positive Airway Pressure (CPAP) for Fatigue in Patients With Multiple Sclerosis (MS) and Obstructive Sleep Apnea (OSA)

NCT01563900
View directory record Official record
Conditions
Fatigue, Multiple Sclerosis, Sleep Apnea
Interventions
Auto-titration CPAP, Sham-CPAP
Device
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 17, 2013 · Synced Sep 29, 2026, 7:32 PM EDT
Withdrawn Not applicable Interventional

Comparison of High-flow Oxygen With or Without Nasal Positive Airway Pressure (PAP) During Propofol Sedation for Colonoscopy in an Ambulatory Surgical Center

NCT05754255
View directory record Official record
Conditions
Colonoscopy, Positive-Pressure Respiration
Interventions
Nasal Cannula, Nasal Positive Airway Pressure System
Device
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Feb 23, 2026 · Synced Sep 29, 2026, 7:32 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Impact of Insomnia on Pain in HIV

NCT04298658
View directory record Official record
Conditions
HIV, Insomnia
Interventions
Structured Clinical Interview for Diagnostic and Statistical Manual of Mental Disorders-5 (DSM-5)sleep disorders-revised, Resmed ApneaLink Air device (Resmed, San Diego, CA)., Quantitative Sensory testing (QST), OraQuick Advance Rapid HIV 1/2 Swab test, Cluster of Differentiation 4 (CD4) and Viral load
Diagnostic Test · Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 85 Years
Enrollment
171 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Sep 16, 2025 · Synced Sep 29, 2026, 7:32 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Obstructive Sleep Apnea (OSA) and Metabolic Syndrome: Role of Oxidative Stress

NCT00177892
View directory record Official record
Conditions
Obstructive Sleep Apnea, Metabolic Syndrome X
Interventions
sleep disruption, sleep with and without positive pressure
Procedure
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
18 Years to 65 Years
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2008
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 2, 2008 · Synced Sep 29, 2026, 7:32 PM EDT
Terminated Not applicable Interventional Results available

Assessment Of The Effects Of Short and Long Term Use Of CPAP

NCT00592631
View directory record Official record
Conditions
Asthma
Interventions
CPAP-Continuous Positive Airway Pressure, SHAM
Device
Lead sponsor
Indiana University
Other
Eligibility
8 Years to 60 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2012
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Feb 9, 2016 · Synced Sep 29, 2026, 7:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Effects of Treating Obese and Lean Patients With Sleep Apnea

NCT01578031
View directory record Official record
Conditions
Sleep Apnea, Obesity
Interventions
Positive Airway Pressure During Sleep (ResMed S9 Elite), Usual Care
Device · Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
40 Years to 65 Years
Enrollment
450 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 4, 2019 · Synced Sep 29, 2026, 7:32 PM EDT
Completed No phase listed Observational

Tissue-specific Insulin Resistance in Obstructive Sleep Apnea: Role of Hypoxia

NCT03695315
View directory record Official record
Conditions
Obstructive Sleep Apnea, Hypoxia, Insulin Resistance
Interventions
Continuous Positive Airway Pressure
Device
Lead sponsor
University of California, San Francisco
Other
Eligibility
19 Years to 100 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced Sep 29, 2026, 7:32 PM EDT
Terminated Not applicable Interventional Results available

Comparison Study of the ICON™ Auto Series With and Without SensAwake™ and ThermoSmart™ and Conventional Continuous Positive Airway Pressure in Obstructive Sleep Apnea Patients

NCT01517763
View directory record Official record
Conditions
Sleep Apnea, Obstructive
Interventions
Conventional CPAP Therapy, Fixed pressure ICON™ without ThermoSmart™, Auto ICON™ with SensAwake™ and ThermoSmart™
Device
Lead sponsor
Fisher and Paykel Healthcare
Industry
Eligibility
18 Years to 70 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Brighton, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 9, 2019 · Synced Sep 29, 2026, 7:32 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Brain Oxygenation and Hemodynamics During Sleep in Obstructive Sleep Apnea Sufferers

NCT00591591
View directory record Official record
Conditions
Obstructive Sleep Apnea Syndrome
Interventions
OxiplexTS
Device
Lead sponsor
ISS, Inc.
Industry
Eligibility
21 Years to 55 Years
Enrollment
309 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
4
States / cities
Orange, California • Stanford, California • Chicago, Illinois + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 15, 2011 · Synced Sep 29, 2026, 7:32 PM EDT
Active, not recruiting Not applicable Interventional

Restoring Metabolic and Reproductive Health With Sleep in PCOS Study, CPAP Trial

NCT05920694
View directory record Official record
Conditions
Polycystic Ovary Syndrome, Obstructive Sleep Apnea
Interventions
Continuous Positive Airway Pressure Device (CPAP), Delayed Continuous Positive Airway Pressure Device (CPAP)
Device · Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Sep 29, 2026, 7:32 PM EDT
Terminated Not applicable Interventional

Effect of CPAP on Abnormal Gastroesophageal Reflux and Lung Inflammation in IPF

NCT05359965
View directory record Official record
Conditions
Idiopathic Pulmonary Fibrosis, Obstructive Sleep Apnea, Gastro Esophageal Reflux
Interventions
Positive Airway Pressure
Device
Lead sponsor
University of Arizona
Other
Eligibility
50 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 8, 2026 · Synced Sep 29, 2026, 7:32 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Use of High-resolution Manometry to Detect Upper Airway Obstruction During Sleep

NCT04139499
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Drug-induced sleep endoscopy (DISE), High-resolution manometry (HRM):
Procedure
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
5 Years to 90 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Nov 12, 2025 · Synced Sep 29, 2026, 7:32 PM EDT
Completed Not applicable Interventional Results available

Continuous Positive Airway Pressure (PAP) Titration and Treatment Versus Auto-adjusting PAP Treatment for Sleep Apnea

NCT00988351
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Continuous positive airway pressure, Auto-adjusting positive airway pressure treatment
Device
Lead sponsor
North Florida Foundation for Research and Education
Other
Eligibility
21 Years to 89 Years
Enrollment
156 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Nov 2, 2014 · Synced Sep 29, 2026, 7:32 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Assessing the Risk of Developing Type II Diabetes Using Serum Biomarkers in Patients Diagnosed With Obstructive Sleep Apnea

NCT01447251
View directory record Official record
Conditions
Obstructive Sleep Apnea, Diabetes Mellitus
Interventions
PreDx Diabetes Risk Score
Behavioral
Lead sponsor
Mike O'Callaghan Military Hospital
Federal
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Oct 12, 2014 · Synced Sep 29, 2026, 7:32 PM EDT
Completed Not applicable Interventional Results available

Sleep Disordered Breathing and Chronic Pain

NCT01457014
View directory record Official record
Conditions
Sleep Apnea Syndromes
Interventions
servo ventilation auto, Continuous positive airway pressure, servo ventilation manual
Device
Lead sponsor
Philips Respironics
Industry
Eligibility
21 Years to 70 Years
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
4
States / cities
Birmingham, Alabama • Little Rock, Arkansas • Atlanta, Georgia + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 18, 2016 · Synced Sep 29, 2026, 7:32 PM EDT