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ClinicalTrials.gov public records Last synced Oct 21, 2026, 5:56 AM EDT

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Showing 121–144 of 169 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Positive-Pressure Respiration, Intrinsic Clear all
Active, not recruiting Not applicable Interventional

Positive Airway Pressure, Sleep Apnea, and the Placenta (PAP-SAP)

NCT02412696
View directory record Official record
Conditions
Obstructive Sleep Apnea, Pregnancy, Obesity, Preeclampsia, Sleep
Interventions
Positive Airway Pressure, Nasal Dilator Strips
Device · Other
Lead sponsor
The Miriam Hospital
Other
Eligibility
18 Years and older · Female only
Enrollment
262 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2025
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Nov 22, 2024 · Synced Oct 21, 2026, 5:56 AM 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 18, 2025 · Synced Oct 21, 2026, 5:56 AM 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 24, 2017 · Synced Oct 21, 2026, 5:56 AM 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 3, 2014 · Synced Oct 21, 2026, 5:56 AM EDT
Completed Phase 2 Interventional

Randomized Clinical Trial of Nasal Turbinate Reduction to Improve Continuous Positive Airway Pressure (CPAP) Outcomes for Sleep Apnea

NCT00503802
View directory record Official record
Conditions
Sleep Apnea Syndromes, Nasal Obstruction, Turbinate Hypertrophy
Interventions
Radiofrequency Turbinate Reduction, Sham RF
Procedure
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 80 Years
Enrollment
242 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
3
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 19, 2013 · Synced Oct 21, 2026, 5:56 AM EDT
Terminated Not applicable Interventional Results available

The Efficacy of a New Mathematical Formula to Predict Continuous Positive Air Pressure With an Oronasal Mask Interface.

NCT02816255
View directory record Official record
Conditions
Obstructive Sleep Apnea (OSA)
Interventions
Full Face Mask with same CPAP Pressure, Full Face Mask with new Pressure
Device
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 28, 2022 · Synced Oct 21, 2026, 5:56 AM 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 Apr 1, 2020 · Synced Oct 21, 2026, 5:56 AM EDT
Terminated No phase listed Observational

Effect of Continuous Positive Airway Pressure (CPAP) Therapy on Changes of Blood Pressure Between Day and Night

NCT01865864
View directory record Official record
Conditions
Obstructive Sleep Apnea, Diurnal Blood Pressure
Interventions
Not listed
Lead sponsor
Northwell Health
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
1
States / cities
Staten Island, New York
Source: ClinicalTrials.gov public record
Updated May 31, 2013 · Synced Oct 21, 2026, 5:56 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Pilot Study of the Comparison of the Upper Airway Dynamics of Oronasal vs Nasal Masks With PAP Treatment

NCT01939938
View directory record Official record
Conditions
Obstructive Sleep Apnea (OSA)
Interventions
Nasal and Oronasal PAP Mask
Device
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 75 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 17, 2018 · Synced Oct 21, 2026, 5:56 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Mechanisms of Endothelial Cell Dysfunction in Sleep Apnea

NCT00859950
View directory record Official record
Conditions
Obstructive Sleep Apnea, Hypoxemia
Interventions
Continuous Positive Airway Pressure (CPAP)
Device
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
21 Years and older
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 4, 2019 · Synced Oct 21, 2026, 5:56 AM EDT
Completed Not applicable Interventional Results available

CPAP to Treat Cognitive Dysfunction in MS

NCT02544373
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
PAP therapy
Device
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 70 Years
Enrollment
135 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 14, 2022 · Synced Oct 21, 2026, 5:56 AM EDT
Completed Phase 4 Interventional

Continuous Positive Airway Pressure (CPAP) Promotion And Prognosis - the Army Sleep Apnea Program (ASAP)

NCT00612157
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Eszopiclone, Placebo control
Drug
Lead sponsor
Walter Reed Army Medical Center
Federal
Eligibility
18 Years to 64 Years
Enrollment
154 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Feb 26, 2009 · Synced Oct 21, 2026, 5:56 AM EDT
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 24, 2024 · Synced Oct 21, 2026, 5:56 AM EDT
Completed Not applicable Interventional Results available

COMMunication and Education for the New CPAP Experience

NCT01377584
View directory record Official record
Conditions
Sleep Apnea, Obstructive
Interventions
Couple-oriented intervention, Patient-oriented intervention, Continuous positive airway pressure (CPAP), No intervention
Behavioral · Device · Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
21 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 2, 2017 · Synced Oct 21, 2026, 5:56 AM EDT
Withdrawn Phase 4 Interventional

Spironolactone to Improve Apnea and Cardiovascular Markers in Obstructive Sleep Apnea Patients

NCT04205136
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Spironolactone, Placebo
Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 85 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 19, 2022 · Synced Oct 21, 2026, 5:56 AM EDT
Completed Phase 2 Interventional Results available

The Sleep, Liver Evaluation and Effective Pressure Study

NCT01482065
View directory record Official record
Conditions
Non Alcoholic Fatty Liver Disease, Obstructive Sleep Apnea
Interventions
CPAP (ResMed S9 autoset CPAP)
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 4, 2017 · Synced Oct 21, 2026, 5:56 AM EDT
Completed Not applicable Interventional

Promoting the Use of CPAP Therapy Among OSA Patients

NCT04372329
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
CPAP4HealthySleep system
Behavioral
Lead sponsor
Sarah Alismail
Other
Eligibility
18 Years and older
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Claremont, California
Source: ClinicalTrials.gov public record
Updated Aug 18, 2022 · Synced Oct 21, 2026, 5:56 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Sleep, Aging and Risk for Alzheimer's Disease

NCT01962779
View directory record Official record
Conditions
Sleep Disordered Breathing, Alzheimer's Disease
Interventions
Continuous positive airway pressure (CPAP)
Other
Lead sponsor
NYU Langone Health
Other
Eligibility
50 Years and older
Enrollment
235 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 21, 2020 · Synced Oct 21, 2026, 5:56 AM EDT
Not listed Phase 3 Interventional

Continuous Positive Airway Pressure Versus Noninvasive Ventilation in Patients With Overlap Syndrome

NCT01427673
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease, Obstructive Sleep Apnea, Overlap Syndrome
Interventions
Bipap procedure
Procedure
Lead sponsor
United States Air Force
Federal
Eligibility
35 Years to 80 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Wpafb, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 1, 2011 · Synced Oct 21, 2026, 5:56 AM EDT
Recruiting Not applicable Interventional

The Improving Sleep in African American Couples Study (ISAAC)

NCT07447284
View directory record Official record
Conditions
Obstructive Sleep Apnea (OSA)
Interventions
CPAP Training and Education, Virtual Disease Support Group Sessions, Couple CPAP Training and Education, Couples Virtual OSA Support Group Sessions, CPAP Tele-monitoring and Feedback, Couples' Cognitive Behavioral Therapy
Behavioral
Lead sponsor
MetroHealth Medical Center
Other
Eligibility
30 Years and older
Enrollment
440 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
2
States / cities
Cleveland, Ohio • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Oct 21, 2026, 5:56 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Variable Negative External Pressure (vNEP) - An Alternative to Continuous Positive Airway Pressure (CPAP) for the Treatment of Obstructive Sleep Apnea (OSA): A Pilot Study

NCT04718142
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
vNEP
Device
Lead sponsor
Somne, LLC
Industry
Eligibility
18 Years to 65 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
San Leandro, California
Source: ClinicalTrials.gov public record
Updated Apr 2, 2021 · Synced Oct 21, 2026, 5:56 AM EDT
Active, not recruiting Phase 3 Interventional

Maridebart Cafraglutide Versus Placebo in Adult Participants With Obstructive Sleep Apnea on Positive Airway Pressure Therapy

NCT07225686
View directory record Official record
Conditions
Obesity, Obstructive Sleep Apnea
Interventions
Maridebart cafraglutide, Placebo
Drug
Lead sponsor
Amgen
Industry
Eligibility
18 Years to 99 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
13
States / cities
Northridge, California • Rolling Hills Estates, California • Brandon, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 21, 2026, 5:56 AM EDT
Terminated Phase 4 Interventional Results available

Palatal Implants in Combination With Continuous Positive Airway Pressure to Treat Obstructive Sleep Apnea

NCT00730041
View directory record Official record
Conditions
Obstructive Sleep Apnea (OSA)
Interventions
Pillar Palatal Implant System, Sham system
Device
Lead sponsor
Medtronic Xomed, Inc.
Industry
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
7
States / cities
Little Rock, Arkansas • Berkeley, California • Denver, Colorado + 4 more
Source: ClinicalTrials.gov public record
Updated Jan 12, 2010 · Synced Oct 21, 2026, 5:56 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Revised Algorithm for Next Generation DeVilbiss Healthcare AutoAdjust Continuous Positive Airway Pressure (CPAP)

NCT01797705
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
DeVilbiss AutoAdjust CPAP with revised algorithm
Device
Lead sponsor
DeVilbiss Healthcare LLC
Industry
Eligibility
21 Years to 75 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Newton, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 29, 2015 · Synced Oct 21, 2026, 5:56 AM EDT