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ClinicalTrials.gov public records Last synced Oct 18, 2026, 3:48 PM EDT

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Showing 385–408 of 433 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: CPAP Clear all
Completed No phase listed Observational

Effect of Continuous Positive Airway Pressure (CPAP) on Lower Esophageal Sphincter Pressure in Morbidly Obese Patients

NCT01099735
View directory record Official record
Conditions
Sleep Apnea, Gastroesophageal Reflux Disease
Interventions
Not listed
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Aug 30, 2019 · Synced Oct 18, 2026, 3:48 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Diagnosis and Treatment of Sleep Apnea in Cerebrovascular Disease

NCT00984308
View directory record Official record
Conditions
Obstructive Sleep Apnea, Stroke, Transient Ischemic Attack, Hypertension
Interventions
CPAP Therapy for Newly Diagnosed Obstructive Sleep Apnea (OSA)
Procedure
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
40 Years and older
Enrollment
225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
2
States / cities
West Haven, Connecticut • Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jun 14, 2017 · Synced Oct 18, 2026, 3:48 PM EDT
Completed Not applicable Interventional

Mild Intermittent Hypoxia and Its Multipronged Effect on Sleep Apnea

NCT03736382
View directory record Official record
Conditions
Obstructive Sleep Apnea, Spinal Cord Injuries
Interventions
Mild intermittent hypoxia, Sham protocol, Continuous positive airway pressure (CPAP)
Other
Lead sponsor
Wayne State University
Other
Eligibility
18 Years to 60 Years
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
2
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Oct 18, 2026, 3:48 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 18, 2022 · Synced Oct 18, 2026, 3:48 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 12, 2023 · Synced Oct 18, 2026, 3:48 PM 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 18, 2026, 3:48 PM EDT
Recruiting No phase listed Observational

Predicting Outcomes in Hypoglossal Nerve Stimulation Therapy With Stimulated Upper Airway Mechanics

NCT05429983
View directory record Official record
Conditions
Sleep Apnea, Obstructive
Interventions
Not listed
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
60 participants
Timeline
2022 – 2028
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 24, 2025 · Synced Oct 18, 2026, 3:48 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 13, 2014 · Synced Oct 18, 2026, 3:48 PM EDT
Completed Not applicable Interventional Results available

A Randomized Cross Over Trial of Two Treatments for Sleep Apnea in Veterans With Post-Traumatic Stress Disorder

NCT01569022
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
CPAP, MAD
Device
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 70 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Nov 8, 2017 · Synced Oct 18, 2026, 3:48 PM EDT
Recruiting Phase 2 Interventional

DReAMzz- Dronabinol and Acetazolamide Medication for Sleep Apnea (ZZ). Dose Confirmation Crossover Study for IHL-42X in Subjects With Obstructive Sleep Apnea.

NCT07635563
View directory record Official record
Conditions
Obstructive Sleep Apnea (OSA)
Interventions
IHL-42X: 2.5 mg dronabinol + 125 mg acetazolamide, IHL-42X: 5 mg dronabinol + 125 mg acetazolamide, IHL-42X: 7.5 mg dronabinol + 125 mg acetazolamide, IHL-42X: 2.5 mg dronabinol + 250 mg acetazolamide, IHL-42X: 5 mg dronabinol + 250 mg acetazolamide, IHL-42X: 7.5 mg dronabinol + 250 mg acetazolamide, IHL-42X: 2.5 mg dronabinol + 375 mg acetazolamide, IHL-42X: 5 mg dronabinol + 375 mg acetazolamide, IHL-42X: 7.5 mg dronabinol + 375 mg acetazolamide, Placebo: Negative control
Drug
Lead sponsor
Incannex Healthcare Ltd
Industry
Eligibility
18 Years to 65 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
13
States / cities
Chula Vista, California • Brandon, Florida • Jacksonville, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Oct 18, 2026, 3:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Human Perception of Odors and Odor Blockers

NCT06191419
View directory record Official record
Conditions
Tobacco Smoking, Smoking Behaviors
Interventions
Odorants
Other
Lead sponsor
Tim McClintock
Other
Eligibility
18 Years to 60 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Jul 23, 2026 · Synced Oct 18, 2026, 3:48 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 24, 2026 · Synced Oct 18, 2026, 3:48 PM EDT
Active, not recruiting No phase listed Observational

Effect of CPAP on Blood Pressure in Excessively Sleepy Obstructive Sleep Apnea Subtype

NCT05742360
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
CPAP therapy
Device
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 75 Years
Enrollment
227 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
2
States / cities
Columbus, Ohio • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Oct 18, 2026, 3:48 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Impact of Continuous Positive Airway Pressure on Breathing Motion Amplitude

NCT02852473
View directory record Official record
Conditions
Cancer
Interventions
Continuous Positive Airway Pressure
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 14, 2016 · Synced Oct 18, 2026, 3:48 PM EDT
Completed No phase listed Observational

Delivery Room Practice Change Following the Initiation of the NICHD SUPPORT Trial

NCT01601886
View directory record Official record
Conditions
Preterm Birth
Interventions
Not listed
Lead sponsor
Luc Brion
Other
Eligibility
24 Weeks to 35 Weeks
Enrollment
3,843 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated May 18, 2012 · Synced Oct 18, 2026, 3:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Pilot Study of CPAP Adherence Promotion by Peer Buddies With Sleep Apnea

NCT01164683
View directory record Official record
Conditions
Sleep Apnea
Interventions
Peer-driven intervention, Usual Care
Behavioral · Other
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
21 Years to 85 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 7, 2015 · Synced Oct 18, 2026, 3:48 PM EDT
Recruiting Not applicable Interventional

App-Based Optimization of Long-Term CPAP Adherence and Quality of Life

NCT06381115
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
SleepWell24 Application
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
2
States / cities
Scottsdale, Arizona • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 14, 2026 · Synced Oct 18, 2026, 3:48 PM EDT
Withdrawn Phase 1Phase 2 Interventional

Impact of Exogenous Ketones on Sleep Apnea

NCT06687655
View directory record Official record
Conditions
Obstructive Sleep Apnea, Sleep
Interventions
Ketone-IQ, Placebo
Dietary Supplement
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 21, 2026 · Synced Oct 18, 2026, 3:48 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 28, 2022 · Synced Oct 18, 2026, 3:48 PM EDT
Not yet recruiting Phase 2 Interventional

Pressure Targeting During High Flow Therapy in Premature Infants

NCT07418502
View directory record Official record
Conditions
Preterm Infants, Respiratory Distress Syndrome (Neonatal), BPD - Bronchopulmonary Dysplasia
Interventions
Pressure Targeted High Flow, CPAP
Procedure
Lead sponsor
University of Texas at Austin
Other
Eligibility
7 Days to 40 Weeks
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
2
States / cities
San Diego, California • Austin, Texas
Source: ClinicalTrials.gov public record
Updated Feb 18, 2026 · Synced Oct 18, 2026, 3:48 PM 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 18, 2026, 3:48 PM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Splanchnic Venous Capacitance in Postural Tachycardia Syndrome

NCT05375968
View directory record Official record
Conditions
Postural Tachycardia Syndrome (POTS)
Interventions
Measurement of Splanchnic venous capacitance(SVC)done at Baseline and after 90 min of 75 g glucose in Healthy Controls POTS patients, Measurement of Splanchnic venous capacitance(SVC)done at Baseline and after 90 min of 75 g glucose in Healthy Controls, Compare change is SVC and SMA flow due to GIP antagonist GIP(3-30)NH2, Compare change is SVC and SMA flow due to saline
Diagnostic Test · Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 50 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 5, 2025 · Synced Oct 18, 2026, 3:48 PM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Autoimmune Basis for Postural Tachycardia Syndrome

NCT02725060
View directory record Official record
Conditions
Postural Orthostatic Tachycardia Syndrome, Postural Tachycardia Syndrome, Tachycardia, Arrhythmias, Cardiac, Autonomic Nervous System Diseases, Orthostatic Intolerance, Cardiovascular Diseases, Primary Dysautonomias
Interventions
phenylephrine, isoproterenol, 25 micro-Ci of radiation, Posture study with blood samples, 24-hour heart rhythm and blood pressure monitoring, Quantitative Axonal Sudomotor Reflex Testing, Autonomic function tests, Rebreathing test, Assessment of splanchnic capacitance, microneurography
Drug · Radiation · Procedure + 1 more
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 50 Years
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2026
U.S. locations
2
States / cities
Oklahoma City, Oklahoma • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Nov 12, 2025 · Synced Oct 18, 2026, 3:48 PM EDT
Completed Phase 2 Interventional

Acetazolamide for Obstructive Sleep Apnea to Improve Heart Health

NCT05616260
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Acetazolamide, Placebo, Continuous Positive Airway Pressure
Drug · Device
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 50 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Nov 25, 2025 · Synced Oct 18, 2026, 3:48 PM EDT