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Showing 1–24 of 293 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Continuous Positive Airway Pressure CPAP Clear all
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 24, 2026, 7:29 PM EDT
Completed No phase listed Observational

Respiratory Supports and COVID-19 Mortality

NCT04832061
View directory record Official record
Conditions
COVID-19
Interventions
Respiratory supports
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
2,300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated May 12, 2021 · Synced Sep 24, 2026, 7:29 PM EDT
Withdrawn Not applicable Interventional

Comparing Different Delivery Systems of Continuous Positive Airway Pressure in Neonates

NCT06038565
View directory record Official record
Conditions
Prematurity, Respiratory Distress Syndrome
Interventions
RAM cannula ventilator CPAP, Occlusive interface bubble CPAP
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
12 Hours to 36 Hours
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 7, 2024 · Synced Sep 24, 2026, 7:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Prophylactic DR-CPAP on Late Preterm Infants Born by C-section: an RCT

NCT05204719
View directory record Official record
Conditions
Premature Birth
Interventions
Prophylactic Delivery Room Continuous Positive Airway Pressure
Procedure
Lead sponsor
University of Oklahoma
Other
Eligibility
1 Minute to 5 Minutes
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
3
States / cities
Indianapolis, Indiana • St Louis, Missouri • Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Sep 24, 2026, 7:29 PM EDT
Completed Not applicable Interventional

Comparing Weaning of Nasal Continuous Positive Airway Pressure (CPAP) From Preterm Infants

NCT02126501
View directory record Official record
Conditions
Respiratory Distress Syndrome
Interventions
Gradual pressure wean
Other
Lead sponsor
Maimonides Medical Center
Other
Eligibility
26 Weeks to 32 Weeks
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Jun 7, 2016 · Synced Sep 24, 2026, 7:29 PM EDT
Terminated Not applicable Interventional Results available

Early CPAP in COVID-19 Confirmed or Suspected Patients

NCT04390191
View directory record Official record
Conditions
COVID-19, COVID, Coronavirus
Interventions
Continuous Positive Airway Pressure
Device
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 27, 2022 · Synced Sep 24, 2026, 7:29 PM EDT
Active, not recruiting No phase listed Observational

Assessment of PaO2/FiO2 Ratio Pre and POst INTubation

NCT05853068
View directory record Official record
Conditions
Acute Hypoxemic Respiratory Failure
Interventions
Mechanical ventilation
Device
Lead sponsor
Hospital Universitario de Gran Canaria Doctor Negrín
Other
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 25, 2025 · Synced Sep 24, 2026, 7:29 PM 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 30, 2013 · Synced Sep 24, 2026, 7:29 PM EDT
Completed Not applicable Interventional Results available

Mild Cognitive Impairment and Obstructive Sleep Apnea

NCT01482351
View directory record Official record
Conditions
Obstructive Sleep Apnea, Mild Cognitive Impairment
Interventions
CPAP adherence intervention, Attention control intervention
Behavioral
Lead sponsor
George Mason University
Other
Eligibility
55 Years to 89 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
3
States / cities
Abington, Pennsylvania • Philadelphia, Pennsylvania • Fairfax, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 5, 2019 · Synced Sep 24, 2026, 7:29 PM EDT
Completed Not applicable Interventional Results available

Non-Contrast 4DCT to Detect Pulmonary Thromboembolic Events

NCT03183063
View directory record Official record
Conditions
Pulmonary Thromboembolisms, Pulmonary Embolism
Interventions
4DCT and SPECT/CT, 4DCT with BiPAP and SPECT/CT, 4DCT with CTA in suspected PE
Device
Lead sponsor
Thomas Guerrero
Other
Eligibility
18 Years and older
Enrollment
139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 4, 2020 · Synced Sep 24, 2026, 7:29 PM EDT
Withdrawn Phase 3 Interventional

Safety Study of Positive Airway Pressure Via a Nasal Mask in Obese Patients

NCT01627925
View directory record Official record
Conditions
Upper Airway Obstruction
Interventions
nasal mask and continuous positive airway pressure
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 17, 2017 · Synced Sep 24, 2026, 7:29 PM EDT
Completed Not applicable Interventional Results available

Early Treatment of Amyotrophic Lateral Sclerosis (ALS) With Nutrition and Non-Invasive Positive Pressure Ventilation

NCT00116558
View directory record Official record
Conditions
Amyotrophic Lateral Sclerosis
Interventions
Early NIPPV, Standard NIPPV
Device
Lead sponsor
Edward Kasaraskis
Other
Eligibility
18 Years to 80 Years
Enrollment
153 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2012
U.S. locations
12
States / cities
Denver, Colorado • Miami, Florida • Lexington, Kentucky + 8 more
Source: ClinicalTrials.gov public record
Updated Jul 30, 2019 · Synced Sep 24, 2026, 7:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

High Flow Nasal Cannula Versus Nasal Continuous Positive Airway Pressure

NCT01531465
View directory record Official record
Conditions
Respiratory Insufficiency
Interventions
Pulmonary Function Testing & esophageal pressure monitoring, Pulmonary function testing and esophageal pressure
Other
Lead sponsor
Christiana Care Health Services
Other
Eligibility
2 Days to 6 Months
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated Jun 3, 2013 · Synced Sep 24, 2026, 7:29 PM EDT
Active, not recruiting Not applicable Interventional

Mechanisms of Prediabetic States in Sleep Apnea

NCT04234217
View directory record Official record
Conditions
Sleep Apnea, Pre-diabetes
Interventions
Continuous positive airway pressure, Niacin
Device · Other
Lead sponsor
University of Chicago
Other
Eligibility
20 Years to 65 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 23, 2026 · Synced Sep 24, 2026, 7:29 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Impact of Early Diagnosis and Treatment of OSA on Hospital Readmission in Hospitalized Cardiac Patients

NCT03647891
View directory record Official record
Conditions
OSA, Heart Failure, Myocardial Infarction, Arrhythmia, Cardiac
Interventions
Continuous Positive Airway Pressure
Device
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Fontana, California
Source: ClinicalTrials.gov public record
Updated Jul 19, 2026 · Synced Sep 24, 2026, 7:29 PM EDT
Completed Not applicable Interventional Results available

TheraPAP Equivalence Crossover Study

NCT06238362
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
TPAP, CPAP
Other · Device
Lead sponsor
SleepRes Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Clarksville, Tennessee
Source: ClinicalTrials.gov public record
Updated Nov 28, 2024 · Synced Sep 24, 2026, 7:29 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Vascular Impairment in Type II Diabetes Mellitus With Co-morbid Obstructive Sleep Apnea

NCT01629862
View directory record Official record
Conditions
Sleep Apnea, Obstructive, Diabetes Mellitus
Interventions
Continuous positive airway pressure, Sham continuous positive airway pressure
Device
Lead sponsor
Sanjay R Patel
Other
Eligibility
18 Years to 70 Years
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 27, 2019 · Synced Sep 24, 2026, 7:29 PM 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 17, 2022 · Synced Sep 24, 2026, 7:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Assessment of End Expiratory Lung Volumes in Healthy Subjects Using High Flow Oxygen (Vapotherm®)

NCT01672242
View directory record Official record
Conditions
Healthy Adult Volunteers
Interventions
HFNC, CPAP
Device
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 75 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 7, 2022 · Synced Sep 24, 2026, 7:29 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 24, 2026, 7:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Hemodynamics Response to Upper Airway Obstruction in Marfan Syndrome

NCT03985657
View directory record Official record
Conditions
Sleep-disordered Breathing, Snoring
Interventions
CPAP
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 27, 2020 · Synced Sep 24, 2026, 7:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Physiological Study to Assess Awake Prone Positioning and Respiratory Support in Healthy Volunteers

NCT05512585
View directory record Official record
Conditions
Healthy
Interventions
awake prone positioning with advanced respiratory support (high-flow nasal cannula or continuous positive airway pressure)
Other
Lead sponsor
Rush University Medical Center
Other
Eligibility
21 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 8, 2022 · Synced Sep 24, 2026, 7:29 PM EDT
Withdrawn Not applicable Interventional

Reproductive Aging and Obstructive Sleep Apnea

NCT01850992
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Active CPAP, Sham CPAP
Device
Lead sponsor
Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center
Other
Eligibility
30 Years to 70 Years · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Torrance, California
Source: ClinicalTrials.gov public record
Updated Sep 10, 2025 · Synced Sep 24, 2026, 7:29 PM EDT
Completed Phase 2 Interventional

Diagnosis and Treatment of Sleep-Disordered Breathing in the Homes of Patients With Transient Ischemic Attack

NCT00251290
View directory record Official record
Conditions
Transient Ischemic Attack, Sleep Apnea
Interventions
auto-titrating continuous positive airway pressure
Procedure
Lead sponsor
Yale University
Other
Eligibility
45 Years and older
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
3
States / cities
New Haven, Connecticut • West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 2, 2009 · Synced Sep 24, 2026, 7:29 PM EDT