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ClinicalTrials.gov public records Last synced Oct 1, 2026, 8:21 AM EDT

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Showing 49–72 of 110 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: High flow nasal cannula Clear all
Recruiting Not applicable Interventional

Laryngoscopy for Neonatal and Infant Airway Management wIth Supplemental Oxygen at Different Flow Rates (OPTIMISE-2)

NCT05967507
View directory record Official record
Conditions
Airway Management
Interventions
Low-flow nasal supplemental oxygen with a conventional nasal cannula during tracheal intubation with the C-MAC video laryngoscope, High-flow nasal supplemental oxygen (Fisher & Paykel, Auckland, New Zealand) during tracheal intubation with the C-MAC video laryngoscope
Device
Lead sponsor
Thomas Riva
Other
Eligibility
Up to 52 Weeks
Enrollment
1,192 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Oct 1, 2026, 8:21 AM 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 9, 2022 · Synced Oct 1, 2026, 8:21 AM EDT
Completed No phase listed Observational

Use of Oxygen Hoods in Patients Failing on Conventional High-flow Oxygen Delivery Systems, Effects on Oxygenation in Hypoxic COVID-19 Patients. Prospective Cohort Study.

NCT04407260
View directory record Official record
Conditions
COVID -19, Respiratory Failure, Hypoxia
Interventions
Oxygen Hood
Device
Lead sponsor
Northwell Health
Other
Eligibility
Not listed
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Sleepy Hollow, New York
Source: ClinicalTrials.gov public record
Updated Dec 2, 2022 · Synced Oct 1, 2026, 8:21 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Prolonged Hypoxic Breathing in Healthy Volunteers: a Safety Study

NCT02860975
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Inhaled Nitrogen
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 40 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 27, 2026 · Synced Oct 1, 2026, 8:21 AM EDT
Terminated Not applicable Interventional

Correlation of Peak Tidal Inspiratory Flow Measured Before and After Extubation in Adult Patients With Hypoxemia

NCT04971148
View directory record Official record
Conditions
Hypoxemic Respiratory Failure
Interventions
HFNC flow set at patient peak tidal inspiratory flow, HFNC flow set at 1.33 times of patient peak tidal inspiratory flow, HFNC flow set at 1.67 times of patient peak tidal inspiratory flow, HFNC flow set at 2 times of patient peak tidal inspiratory flow
Other
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years to 90 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 14, 2023 · Synced Oct 1, 2026, 8:21 AM EDT
Completed Not applicable Interventional Results available

Early PP With HFNC Versus HFNC in COVID-19 Induced Moderate to Severe ARDS

NCT04325906
View directory record Official record
Conditions
Prone Positioning, High Flow Nasal Cannula, Acute Respiratory Distress Syndrome, Corona Virus Infection
Interventions
high flow nasal cannula (HFNC), Prone positioning (PP)
Device · Procedure
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years and older
Enrollment
224 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 2, 2022 · Synced Oct 1, 2026, 8:21 AM EDT
Terminated Not applicable Interventional Results available

Comparison Between Gastric and Post Pyloric Tube Feedings in Children With Bronchiolitis Requiring High Flow Nasal Cannula

NCT03346850
View directory record Official record
Conditions
Enteral Feeding in Bronchiolitis
Interventions
Nasogastric tube (NGT) feeding, Nasoduodenal tube (NDT) feeding
Device
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
Up to 12 Months
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 25, 2020 · Synced Oct 1, 2026, 8:21 AM EDT
Completed Not applicable Interventional

Evaluation of the Impact of EHR-Alerts on Clinical Decision Support Pathway Use in Bronchiolitis, and the Impact of Pathway Use on the Prescription of High Flow Nasal Cannula and Other Elements of High Value Care.

NCT06932341
View directory record Official record
Conditions
Bronchiolitis
Interventions
Non-interruptive, Interruptive
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
Up to 24 Months
Enrollment
2,965 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
3
States / cities
St. Petersburg, Florida • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 17, 2026 · Synced Oct 1, 2026, 8:21 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 1, 2026, 8:21 AM EDT
Completed Not applicable Interventional Results available

Protocolized Post-Extubation Respiratory Support Study

NCT03288311
View directory record Official record
Conditions
Mechanical Ventilation Complication, Acute Respiratory Failure, Intubation Complication
Interventions
Protocolized post-extubation respiratory support, Usual Care
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
751 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Dec 29, 2023 · Synced Oct 1, 2026, 8:21 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety of Inhaled Hydrogen Gas Mixtures in Healthy Volunteers

NCT04046211
View directory record Official record
Conditions
Healthy
Interventions
Hydrogen
Drug
Lead sponsor
Boston Children's Hospital
Other
Eligibility
18 Years to 35 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 6, 2021 · Synced Oct 1, 2026, 8:21 AM EDT
Recruiting Not applicable Interventional

Physiologic Effects of Nasal High Flow on Exercise Tolerance in COPD

NCT06578156
View directory record Official record
Conditions
COPD
Interventions
Nasal High Flow Cannula, Nasal Low Flow Cannula
Device
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 100 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jun 22, 2026 · Synced Oct 1, 2026, 8:21 AM EDT
Recruiting Not applicable Interventional

myAirvo 3 (High Flow Nasal Therapy; HFNT) for COPD Patients in the Home

NCT05204888
View directory record Official record
Conditions
COPD
Interventions
myAirvo3, Pulse oximeter
Device
Lead sponsor
Temple University
Other
Eligibility
30 Years and older
Enrollment
642 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
25
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Jacksonville, Florida + 20 more
Source: ClinicalTrials.gov public record
Updated Feb 6, 2025 · Synced Oct 1, 2026, 8:21 AM EDT
Recruiting Phase 4 Interventional

Use of Hyperpolarized 129Xe MR Lung Imaging in Infants

NCT04995562
View directory record Official record
Conditions
Lungs; Developmental Disorder
Interventions
129Xe
Drug
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
Up to 6 Months
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2028
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 7, 2026 · Synced Oct 1, 2026, 8:21 AM EDT
Recruiting Not applicable Interventional

HFNC vs NIPPV Following Extubation

NCT05869825
View directory record Official record
Conditions
Congenital Heart Disease
Interventions
High Flow Nasal Canula following extubation, Non-Invasive Positive Pressure Ventilation following extubation
Procedure
Lead sponsor
Emory University
Other
Eligibility
Up to 1 Year
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 14, 2026 · Synced Oct 1, 2026, 8:21 AM EDT
Terminated Not applicable Interventional Results available

Implementation of Nasal Non-Invasive Ventilation With a RAM Cannula in the Inpatient /Outpatient Setting

NCT03473171
View directory record Official record
Conditions
Chronic Respiratory Failure
Interventions
Nasal non-invasive ventilation with RAM cannula
Device
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
1 Day to 21 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 24, 2020 · Synced Oct 1, 2026, 8:21 AM EDT
Terminated Not applicable Interventional Results available

Helium-oxygen Gas Mixtures Delivered by a High Flow Nasal Cannula in Bronchiolitis

NCT02373683
View directory record Official record
Conditions
Bronchiolitis, Heliox, Pediatrics
Interventions
Vapotherm-Heliox
Device
Lead sponsor
Case Western Reserve University
Other
Eligibility
Up to 2 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 2, 2022 · Synced Oct 1, 2026, 8:21 AM EDT
Completed No phase listed Observational

CTTI Risk Factors for HABP/VABP Study

NCT02689531
View directory record Official record
Conditions
Pneumonia, Ventilator-Associated, Pneumonia, Bacterial, Pneumonia, Hospital-Acquired
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
Not listed
Enrollment
7,530 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
15
States / cities
Birmingham, Alabama • Los Angeles, California • Chicago, Illinois + 12 more
Source: ClinicalTrials.gov public record
Updated Jun 15, 2023 · Synced Oct 1, 2026, 8:21 AM EDT
Completed Not applicable Interventional Results available

Evaluating High Flow Humidification Therapy in Patients With Cystic Fibrosis

NCT02129803
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
High-Flow, 20 LPM (via Optiflow cannula), Low FLow, 5 LPM (via Optiflow cannula)
Device
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
10 Years to 50 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 6, 2021 · Synced Oct 1, 2026, 8:21 AM EDT
Terminated Not applicable Interventional

Effects of High Flow Nasal Cannula on Sputum Clearance in Acute Exacerbation of Chronic Obstructive Pulmonary Disease

NCT04217746
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease, COPD Exacerbation, Airflow Obstruction
Interventions
High Flow Nasal Cannula
Device
Lead sponsor
Tufts Medical Center
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 22, 2025 · Synced Oct 1, 2026, 8:21 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Effects of Different Flow Settings on Lung Impedance

NCT06228703
View directory record Official record
Conditions
Healthy
Interventions
High-flow nasal cannula device with flow setting at 40 L/min or higher
Device
Lead sponsor
Rush University Medical Center
Other
Eligibility
21 Years to 65 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Forest Park, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 19, 2025 · Synced Oct 1, 2026, 8:21 AM EDT
Completed Not applicable Interventional

Comparison of Humidified High Flow Nasal Cannula to Nasal CPAP in Neonates

NCT00609882
View directory record Official record
Conditions
Respiratory Insufficiency
Interventions
Nasal CPAP, Humidified High Flow Nasal Cannula (HHFNC)
Other
Lead sponsor
University of Utah
Other
Eligibility
Up to 8 Weeks
Enrollment
420 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
8
States / cities
Philadelphia, Pennsylvania • Lackland Air Force Base, Texas • Ogden, Utah + 3 more
Source: ClinicalTrials.gov public record
Updated Feb 6, 2013 · Synced Oct 1, 2026, 8:21 AM EDT
Withdrawn Not applicable Interventional

COVIDNOCHE Trial (HFNO Versus CPAP Helmet) in COVID-19 Pneumonia

NCT04381923
View directory record Official record
Conditions
Severe Acute Respiratory Syndrome Coronavirus 2, Hypoxemic Respiratory Failure, Pneumonia, Viral, COVID
Interventions
Helmet Continuous Positive Airway Pressure (CPAP), High Flow Nasal Oxygen (HFNO)
Device
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 5, 2022 · Synced Oct 1, 2026, 8:21 AM EDT
Terminated Not applicable Interventional

PAL to Improve Oral Feeding for Infants With Chronic Lung Disease

NCT05446389
View directory record Official record
Conditions
Chronic Lung Disease of Prematurity, Respiratory Distress Syndrome in Premature Infant, Bronchopulmonary Dysplasia, Preterm Birth
Interventions
Pacifier Activated Lullaby ®
Device
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
1 Day to 33 Weeks
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 9, 2025 · Synced Oct 1, 2026, 8:21 AM EDT