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ClinicalTrials.gov public records Last synced Oct 17, 2026, 12:23 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 433 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: CPAP Clear all
Completed Not applicable Interventional Results available

Long QT Syndrome and Sleep Apnea

NCT03678311
View directory record Official record
Conditions
Long QT Syndrome, Sleep Apnea
Interventions
Continuous Positive Airway Pressure (CPAP)
Device
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 75 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 2, 2020 · Synced Oct 17, 2026, 12:23 AM EDT
Completed Not applicable Interventional Results available

Metabolic Study of Sleep Apnea in Men and Women

NCT00706511
View directory record Official record
Conditions
Obstructive Sleep Apnea (OSA)
Interventions
CPAP
Device
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 40 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 24, 2020 · Synced Oct 17, 2026, 12:23 AM EDT
Recruiting Not applicable Interventional

NPA-OSA Device Tolerability, Usability and Acclimation Clinical Study in Adult Obstructive Sleep Apnea (OSA) Patients

NCT06677151
View directory record Official record
Conditions
Sleep Apnea, Obstructive
Interventions
nasopharyngeal airway obstructive sleep apnea (NPA-OSA) device
Device
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
2
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 12, 2026 · Synced Oct 17, 2026, 12:23 AM EDT
Recruiting Not applicable Interventional

Type 1 Diabetes and Obstructive Sleep Apnea

NCT06915831
View directory record Official record
Conditions
Sleep Apnea, Obstructive, Type 1 Diabetes (T1D)
Interventions
Continuous positive airway pressure (CPAP)
Device
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 50 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 20, 2026 · Synced Oct 17, 2026, 12:23 AM EDT
Completed Not applicable Interventional Results available

Initiation of CPAP for Newly Diagnosed OSA in Hospitalized Heart Failure Patients

NCT03056443
View directory record Official record
Conditions
Sleep Apnea, Obstructive, Heart Failure
Interventions
Continuous Positive Airway Pressure (CPAP)
Device
Lead sponsor
West Virginia University
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Feb 16, 2022 · Synced Oct 17, 2026, 12:23 AM EDT
Completed Phase 2Phase 3 Interventional

Enabling Sleep Apnea Patient-Centered Care Via an Internet Intervention

NCT00662623
View directory record Official record
Conditions
Sleep Apnea Syndromes
Interventions
i-PAP, Usual Care (Standard Care)
Behavioral
Lead sponsor
Veterans Medical Research Foundation
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated May 13, 2016 · Synced Oct 17, 2026, 12:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Nasal Continuous Positive Airway Pressure Versus Standard Care During Procedural Sedation for Gastrointestinal Endoscopy

NCT03369197
View directory record Official record
Conditions
Hypoxia, Endoscopy, Anesthesia Morbidity
Interventions
Nasal Mask, Control: Nasal Cannula
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 100 Years
Enrollment
111 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 18, 2022 · Synced Oct 17, 2026, 12:23 AM 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 27, 2015 · Synced Oct 17, 2026, 12:23 AM EDT
Not listed Not applicable Interventional

Study Using Negative Pressure to Reduce Apnea

NCT04861038
View directory record Official record
Conditions
Sleep Apnea, Obstructive, Apnea, Sleep
Interventions
aerSleep II
Device
Lead sponsor
Sommetrics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
900 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
15
States / cities
Tucson, Arizona • Little Rock, Arkansas • Los Angeles, California + 10 more
Source: ClinicalTrials.gov public record
Updated Apr 16, 2024 · Synced Oct 17, 2026, 12:23 AM EDT
Completed No phase listed Observational

Premature Infant Exposure to Noise Generated by Respiratory Support

NCT01748214
View directory record Official record
Conditions
Premature Birth of Newborn
Interventions
Not listed
Lead sponsor
University of Virginia
Other
Eligibility
7 Days and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Dec 12, 2012 · Synced Oct 17, 2026, 12:23 AM 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 6, 2026 · Synced Oct 17, 2026, 12:23 AM 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 3, 2026 · Synced Oct 17, 2026, 12:23 AM EDT
Completed Not applicable Interventional

Individualized Perioperative Open Lung Ventilatory Strategy

NCT02158923
View directory record Official record
Conditions
Moderated-high Risk of Postoperative Pulmonary Complication, Abdominal Surgery Expected More Than Two Hours
Interventions
Alveolar recruitment maneuver, Calculation of optimal PEEP, Postoperative CPAP
Procedure
Lead sponsor
Fundación para la Investigación del Hospital Clínico de Valencia
Other
Eligibility
18 Years and older
Enrollment
920 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 17, 2016 · Synced Oct 17, 2026, 12:23 AM EDT
Completed Not applicable Interventional Results available

Non-Inferiority Study of the FRESCA Mask Versus Existing CPAP Mask for Treatment of Obstructive Sleep Apnea

NCT02387476
View directory record Official record
Conditions
Obstructive Sleep Apnea, Sleep Apnea, OSA
Interventions
FRESCA mask first night, CPAP Mask first night
Device
Lead sponsor
FRESCA Medical
Industry
Eligibility
18 Years to 70 Years
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
5
States / cities
Fresno, California • Murrieta, California • Hollywood, Florida + 2 more
Source: ClinicalTrials.gov public record
Updated Apr 24, 2018 · Synced Oct 17, 2026, 12:23 AM EDT
Completed Not applicable Interventional

The Use of Heliox Via Nasal CPAP to Prevent Early CPAP Failure in Premature Infants: A Feasibility Study

NCT00739115
View directory record Official record
Conditions
Respiratory Distress Syndrome, Newborn
Interventions
Heliox gas
Other
Lead sponsor
Hawaii Pacific Health
Other
Eligibility
1 Minute to 12 Hours
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated Aug 26, 2015 · Synced Oct 17, 2026, 12:23 AM EDT
Active, not recruiting Not applicable Interventional

Continuous Positive Airway Pressure (CPAP) for Sleep Apnea in Pregnancy

NCT03487185
View directory record Official record
Conditions
Obstructive Sleep Apnea of Adult, Preeclampsia, Obstetrical Complications
Interventions
Continuous Positive Airway Pressure, Sleep Advice Control
Device · Other
Lead sponsor
The George Washington University Biostatistics Center
Other
Eligibility
18 Years and older · Female only
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
14
States / cities
Birmingham, Alabama • San Francisco, California • Chicago, Illinois + 10 more
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Oct 17, 2026, 12:23 AM EDT
Completed Not applicable Interventional

Postoperative Nasal High Flow Versus Oxygen for Positive Airway Pressure Non-Compliance Sleep Apnea Patients

NCT02485236
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Low flow oxygen via nasal cannula, Humidified Nasal High Flow Therapy
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 9, 2019 · Synced Oct 17, 2026, 12:23 AM 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 13, 2019 · Synced Oct 17, 2026, 12:23 AM EDT
Completed Not applicable Interventional

The Effect of Nasal Continuous Positive Airway Pressure (N-CPAP) on Arterial pCO2 During Spinal Anesthesia

NCT01622647
View directory record Official record
Conditions
Knee Replacement Surgery
Interventions
Nasal Continuous Positive Airway Pressure (NCPAP)
Other
Lead sponsor
Pediatrix
Other
Eligibility
21 Years to 69 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Wilmington, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 6, 2013 · Synced Oct 17, 2026, 12:23 AM EDT
Completed Not applicable Interventional

Pilot Study of Physiological Effect of High-Flow Nasal Cannula on Respiratory Pattern and Work of Breathing

NCT02514798
View directory record Official record
Conditions
COPD
Interventions
Esophageal and gastric balloons, Respiratory Inductance Plethysmography (RIP) system, Sentec transcutaneous monitoring system, High-flow humidified nasal oxygen delivery system, CPAP (Positive Control)
Other · Device
Lead sponsor
Tufts Medical Center
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 10, 2022 · Synced Oct 17, 2026, 12:23 AM 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 13, 2025 · Synced Oct 17, 2026, 12:23 AM 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 13, 2025 · Synced Oct 17, 2026, 12:23 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Evaluating Changes in Middle Ear Pressure Caused by CPAP

NCT02882022
View directory record Official record
Conditions
Eustachian Tube Disorder
Interventions
Continuous positive airway pressure
Device
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older · Male only
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 9, 2022 · Synced Oct 17, 2026, 12:23 AM EDT
Completed Not applicable Interventional Results available

Race And CPAP Effectiveness

NCT01960465
View directory record Official record
Conditions
Sleep Apnea Syndromes
Interventions
Continuous positive airway pressure
Device
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
30 Years to 70 Years
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 20, 2020 · Synced Oct 17, 2026, 12:23 AM EDT