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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Face mask Clear all
Completed Not applicable Interventional Results available

Inhaled Nitrous Oxide for the Prevention of Emergence Reaction During Ketamine Administration in Adults, a Pilot Study

NCT02145169
View directory record Official record
Conditions
Emergence Reaction, Procedural Sedation
Interventions
Inhaled Nitrous Oxide
Drug
Lead sponsor
Albert Einstein Healthcare Network
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 18, 2020 · Synced Sep 23, 2026, 2:01 AM EDT
Completed No phase listed Interventional Results available

The Evaluation of a Full Face Mask Seal for the Treatment of Obstructive Sleep Apnea

NCT03230877
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Toffee full face mask with 'Improved Seal', Toffee full face mask with 'Normal Seal'
Device
Lead sponsor
Fisher and Paykel Healthcare
Industry
Eligibility
22 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Sep 7, 2022 · Synced Sep 23, 2026, 2:01 AM EDT
Completed Not applicable Interventional

Cohort 2 Efficacy of Nasopharyngeal Ventilation With Endotracheal Tube for Surgery

NCT02018146
View directory record Official record
Conditions
General Anesthesia With Endotracheal Intubation in Surgery
Interventions
Mask then nasopharyngeal, Nasopharyngeal then mask
Other
Lead sponsor
University of Louisville
Other
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Jul 29, 2019 · Synced Sep 23, 2026, 2:01 AM EDT
Completed Not applicable Interventional

Treatment Study of Soft Palatal Implants in Obstructive Sleep Apnea

NCT00263770
View directory record Official record
Conditions
Sleep Apnea, Obstructive
Interventions
soft palate implant, Positive airway pressure (PAP)
Device · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 80 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 19, 2011 · Synced Sep 23, 2026, 2:01 AM EDT
Recruiting Early Phase 1 Interventional

Supplemental Oxygen in Pulmonary Embolism (SO-PE)

NCT05891886
View directory record Official record
Conditions
Pulmonary Embolism, Venous Thromboembolism, Metabolomics, Oxygen Inhalation Therapy
Interventions
Oxygen Therapy, Non-rebreather mask
Drug · Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 14, 2025 · Synced Sep 23, 2026, 2:01 AM EDT
Recruiting Phase 1 Interventional

Hypophysectomy by Stereotactic Radiosurgery for Cancer-Related Pain

NCT06287515
View directory record Official record
Conditions
Hypophysectomy
Interventions
Stereotactic Radiosurgery
Device
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Sep 23, 2026, 2:01 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Supplemental Oxygen and Oxygen Desaturations in Colonoscopies

NCT07515755
View directory record Official record
Conditions
Oxygen Desaturation, Apnea (Central and Obstructive), Airway Obstruction
Interventions
Breath-synchronized oxygen, CPAP, Control
Device
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
280 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
South Jordan, Utah
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Sep 23, 2026, 2:01 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Articulated Oral Airway as an Aid to Mask Ventilation

NCT03144089
View directory record Official record
Conditions
Mask Ventilation, Airway Obstruction Upper, Airway Management
Interventions
Articulated Oral Airway, Guedel oral airway (active comparator)
Device
Lead sponsor
Ron Abrons
Other
Eligibility
18 Years to 99 Years
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jul 22, 2021 · Synced Sep 23, 2026, 2:01 AM EDT
Completed No phase listed Observational

Apolipoprotein E (ApoE) and Metabolism

NCT03109561
View directory record Official record
Conditions
Cognitive Function, Healthy
Interventions
Resting State Indirect Calorimetry, ApoE, Metabolism, Cognitive Challenge
Other · Genetic · Diagnostic Test
Lead sponsor
Lance Johnson
Other
Eligibility
18 Years to 65 Years
Enrollment
100 participants
Timeline
2018 – 2020
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Jul 22, 2020 · Synced Sep 23, 2026, 2:01 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Noninvasive Ventilation Masks Carbon Dioxide Clearance in Normal Volunteers

NCT03882723
View directory record Official record
Conditions
CO2 Clearance, Mask Comfort, Rebreathing Exhaled Gas
Interventions
Evaluated 4 masks used for NIV with mechanical ventilators
Device
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 27, 2023 · Synced Sep 23, 2026, 2:01 AM EDT
Completed Not applicable Interventional Results available

Efficacy of a Semi-occluded Mask in the Treatment of Patients With Voice Disorders

NCT03410797
View directory record Official record
Conditions
Voice and Resonance Disorders, Vocal Fold Polyp, Vocal Cord Cyst, Vocal Cord Polyp, Atrophy of Vocal Cord
Interventions
Inclusion of semi-occluded mask in voice therapy
Device
Lead sponsor
Jacqueline Gartner-Schmidt
Other
Eligibility
18 Years to 60 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 4, 2021 · Synced Sep 23, 2026, 2:01 AM EDT
Terminated Early Phase 1 Interventional

19F MRI of Ventilation in Subjects With Cystic Fibrosis Undergoing Treatment for Pulmonary Exacerbation

NCT03497117
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Lung Clearance Index, MRI with PFP
Device · Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 99 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 8, 2020 · Synced Sep 23, 2026, 2:01 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Sleep Apnea Study in Adults Using DreamPort-Eclipse and a Traditional Nasal Mask

NCT05818540
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Eclipse novel CPAP mask, ResMed P-10 mask
Device
Lead sponsor
Bleep, LLC
Industry
Eligibility
18 Years and older
Enrollment
173 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Murfreesboro, Tennessee
Source: ClinicalTrials.gov public record
Updated Nov 9, 2025 · Synced Sep 23, 2026, 2:01 AM EDT
Terminated Phase 2 Interventional Results available

Sleep Apnea Treatment After Stroke (SATS)

NCT00282815
View directory record Official record
Conditions
Obstructive Sleep Apnea, Stroke
Interventions
continuous positive airway pressure or CPAP, sham CPAP
Device
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2010
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 10, 2013 · Synced Sep 23, 2026, 2:01 AM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Utilization of Airway Stabilizing Rod to Assist With Laryngeal Mask Airway Guided Fiberoptic Intubation in Adults With Obesity

NCT06916364
View directory record Official record
Conditions
Adult, Obesity, Morbid
Interventions
Fiberoptic Assisted Endotracheal Rod Intubation
Device
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 13, 2025 · Synced Sep 23, 2026, 2:01 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Reflex Responses to Intermittent Hypoxia in Humans: Mechanisms and Consequences

NCT05146089
View directory record Official record
Conditions
Sleep Apnea, Healthy, Vasoconstriction, Vasodilation
Interventions
Hypoxic exposure, modified Oxford test, Oral Bosentan 62.5 mg, Hypoxic ventilatory response test
Other · Drug
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years to 45 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
2
States / cities
Columbia, Missouri • Rochester, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 5, 2021 · Synced Sep 23, 2026, 2:01 AM EDT
Not listed No phase listed Observational

Convolutional Neural Network in Ovarian Follicle Identification

NCT04545918
View directory record Official record
Conditions
Infertility, Female, Ovarian Follicular Cyst
Interventions
Follicle Clarity
Device
Lead sponsor
Cycle Clarity
Industry
Eligibility
21 Years to 42 Years · Female only
Enrollment
80 participants
Timeline
2021
U.S. locations
1
States / cities
Mt. Pleasant, South Carolina
Source: ClinicalTrials.gov public record
Updated May 6, 2021 · Synced Sep 23, 2026, 2:01 AM EDT
Terminated Early Phase 1 Interventional

Pilot Study of Inhaled Nitric Oxide to Treat Pulmonary Insufficiency in Congenital Heart Disease

NCT00543933
View directory record Official record
Conditions
Pulmonary Insufficiency
Interventions
iNO administered
Drug
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 26, 2017 · Synced Sep 23, 2026, 2:01 AM EDT
Completed Not applicable Interventional Results available

A Comparison of Different Ventilation Strategies in Children Using the Proseal™ Laryngeal Mask Airway

NCT00966433
View directory record Official record
Conditions
Intraoperative Ventilation
Interventions
Spontaneous ventilation, Pressure support Ventilation, Pressure control ventilation
Procedure · Device
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
12 Months to 5 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 4, 2018 · Synced Sep 23, 2026, 2:01 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Examining How a Text Message-based Educational Intervention Influences COVID-19 Testing

NCT07074171
View directory record Official record
Conditions
COVID-19 Testing Behaviors
Interventions
Text message-based education intervention, Historical Control
Behavioral · Other
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 89 Years
Enrollment
384 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
3
States / cities
Brownsville, Texas • Houston, Texas • Tyler, Texas
Source: ClinicalTrials.gov public record
Updated Jan 5, 2026 · Synced Sep 23, 2026, 2:01 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

VentFirst: A Multicenter RCT of Assisted Ventilation During Delayed Cord Clamping for Extremely Preterm Infants

NCT02742454
View directory record Official record
Conditions
Intraventricular Hemorrhage
Interventions
Standard 30-60 Seconds Cord Clamping, VentFirst 120 Seconds Cord Clamping
Procedure
Lead sponsor
University of Virginia
Other
Eligibility
Not listed
Enrollment
570 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2023
U.S. locations
10
States / cities
Birmingham, Alabama • Sacramento, California • Denver, Colorado + 7 more
Source: ClinicalTrials.gov public record
Updated Oct 29, 2023 · Synced Sep 23, 2026, 2:01 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

A Comparison of the Laryngeal Mask Airway (LMA) Proseal and LMA Supreme in Children

NCT01449656
View directory record Official record
Conditions
Children
Interventions
LMA Proseal: control device, LMA Supreme: comparison device
Device
Lead sponsor
Ann & Robert H Lurie Children's Hospital of Chicago
Other
Eligibility
6 Months to 6 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 11, 2011 · Synced Sep 23, 2026, 2:01 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of Sports Supplements on Blood Flow

NCT04278053
View directory record Official record
Conditions
Determine the Effects of Nitrosigine and Citrulline-malate on Flow-mediated Dilation Among Young Adults
Interventions
inositol-stabilized arginine silicate
Dietary Supplement
Lead sponsor
University of Arkansas, Fayetteville
Other
Eligibility
18 Years to 29 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Fayetteville, Arkansas
Source: ClinicalTrials.gov public record
Updated May 23, 2022 · Synced Sep 23, 2026, 2:01 AM EDT
Completed Not applicable Interventional

Effectiveness of Sana Treatment in Post-Traumatic Stress Disorder (PTSD)

NCT05319405
View directory record Official record
Conditions
Post Traumatic Stress Disorder
Interventions
Sana Device
Device
Lead sponsor
Sana Health
Industry
Eligibility
18 Years to 65 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Feb 5, 2024 · Synced Sep 23, 2026, 2:01 AM EDT