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ClinicalTrials.gov public records Last synced Oct 10, 2026, 12:54 AM EDT

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Showing 73–96 of 103 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: "High Flow" High Flow Nasal Cannula Clear all
Completed Not applicable Interventional Accepts healthy volunteers

HIFLO ENDO-High Flow Nasal Cannula in GI Endoscopy

NCT03028688
View directory record Official record
Conditions
Anesthesia Morbidity
Interventions
High flow nasal cannula oxygen
Device
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
262 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 21, 2022 · Synced Oct 10, 2026, 12:54 AM EDT
Completed No phase listed Observational

Prematurity-Related Ventilatory Control

NCT03464396
View directory record Official record
Conditions
Respiratory Control in Premature Infants
Interventions
Bedside Physiology study, Carotid Body Function Test, Room Air Challenge, Hypoxia Challenge Test, Effects of Nasal Cannula Flow, Magnetic Resonance Imaging, Echocardiogram, Blood Sample
Other · Diagnostic Test
Lead sponsor
Washington University School of Medicine
Other
Eligibility
1 Day to 28 Days
Enrollment
177 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 31, 2023 · Synced Oct 10, 2026, 12:54 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 10, 2026, 12:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Use of High Flow Nasal Cannula During Sedation of Morbidly Obese Patients in the Endoscopy Suite

NCT02859597
View directory record Official record
Conditions
Morbid Obesity, Noninvasive Ventilation, Deep Sedation
Interventions
High flow nasal cannula, Nasal Cannula
Device
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Apr 16, 2020 · Synced Oct 10, 2026, 12:54 AM EDT
Completed Not applicable Interventional

Weight-based Flow Rates for Children With Bronchiolitis on High-Flow Nasal Cannula: A Pilot Randomized Control Trial

NCT03492307
View directory record Official record
Conditions
Bronchiolitis
Interventions
Weight-Based Flow for High Flow Nasal Cannula (HFNC) (2L/kg/minute), Standard Flow for HFNC (Maximum 8L/minute)
Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
Up to 2 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Weymouth, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 29, 2021 · Synced Oct 10, 2026, 12:54 AM EDT
Not yet recruiting Not applicable Interventional

ADINA vs. High Flow Nasal Cannula Comparison Study

NCT03171129
View directory record Official record
Conditions
Respiratory Distress Neonatal
Interventions
Adaptive Dynamic Inspiratory Nasal Apparatus, High flow Nasal Canula
Device
Lead sponsor
Loma Linda University
Other
Eligibility
23 Weeks to 40 Weeks
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Jan 30, 2026 · Synced Oct 10, 2026, 12:54 AM EDT
Completed No phase listed Observational

Investigate the Aerosol Particle Distribution During Aerosol Generating Procedures

NCT04353531
View directory record Official record
Conditions
Transmission, Patient Professional, High-flow Nasal Cannula
Interventions
High-flow nasal cannula, Surgical mask, bronchoscopy examination, intubation, tracheostomy, nebulization, Pulmonary function test
Device · Procedure · Diagnostic Test
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 23, 2021 · Synced Oct 10, 2026, 12:54 AM 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 10, 2026, 12:54 AM EDT
Completed Not applicable Interventional

High-flow Nasal Oxygen Therapy for Advanced Endoscopy in High-risk Patients.

NCT06610461
View directory record Official record
Conditions
Hypoxemia During Surgery
Interventions
HFNO-Treatment
Device
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 7, 2025 · Synced Oct 10, 2026, 12:54 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 10, 2026, 12:54 AM EDT
Recruiting Phase 2 Interventional

Structured Personalized Oxygen and Supportive Therapies for Dyspnea in Oncology

NCT06336642
View directory record Official record
Conditions
Dyspnea
Interventions
SPOT-ON Early Start, SPOT-ON Delayed Start
Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2032
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 10, 2026, 12:54 AM EDT
Completed Not applicable Interventional

Use of Combined Prone Positioning and High-Flow Nasal Cannula, and Non-invasive Positive Pressure Ventilation to Prevent Intubation in COVID-19 Infection

NCT04694638
View directory record Official record
Conditions
Prone Positioning, Covid19, Hypoxemic Respiratory Failure, ARDS, Non Invasive Ventilation, High Flow Nasal Cannulla
Interventions
Body position change
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 110 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 5, 2023 · Synced Oct 10, 2026, 12:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Different Modalities in Reducing Airborne Particulate Concentrations During AGP for Health Volunteers

NCT04681599
View directory record Official record
Conditions
Transmission, Patient-Professional
Interventions
Filter, Scavenger face tent
Device
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 22, 2021 · Synced Oct 10, 2026, 12:54 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 10, 2026, 12:54 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 10, 2026, 12:54 AM EDT
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 10, 2026, 12:54 AM EDT
Completed Not applicable Interventional

In Line Aerosol Nebulization With High Flow

NCT05880836
View directory record Official record
Conditions
Hypoxemic Respiratory Failure, Airway Obstruction
Interventions
nebulizer via in-line drug delivery maintaining high-flow nasal cannula oxygen, standard jet nebulization (SJN) with face mask
Device
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
2
States / cities
Los Angeles, California • Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Aug 11, 2025 · Synced Oct 10, 2026, 12:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Impact of High-Flow Nasal Cannula on Swallow Function

NCT03590457
View directory record Official record
Conditions
Swallowing Disorder, Respiratory Insufficiency
Interventions
Airvo 2; High-Flow nasal cannula system
Device
Lead sponsor
Rush University Medical Center
Other
Eligibility
21 Years and older
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 27, 2022 · Synced Oct 10, 2026, 12:54 AM EDT
Completed Not applicable Interventional Results available

External Nasal Dilator and Oxygen Therapy in Respiratory Failure

NCT02662387
View directory record Official record
Conditions
Acute Respiratory Failure
Interventions
External nasal dilator (END), High flow nasal cannula (HFNC)
Device · Other
Lead sponsor
Loma Linda University
Other
Eligibility
1 Day to 18 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Aug 21, 2017 · Synced Oct 10, 2026, 12:54 AM EDT
Not listed Not applicable Interventional

End-Tidal Oxygen for Intubation in the Emergency Department

NCT06578468
View directory record Official record
Conditions
Critical Illness, Hypoxia, Respiratory Failure
Interventions
End-tidal oxygen monitor
Device
Lead sponsor
Sydney Local Health District
Government
Eligibility
18 Years and older
Enrollment
1,400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
3
States / cities
Minneapolis, Minnesota • Albuquerque, New Mexico • The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Oct 10, 2026, 12:54 AM EDT
Withdrawn Not applicable Interventional

Comparison of High-flow Oxygen With or Without Nasal Positive Airway Pressure (PAP) During Propofol Sedation for Colonoscopy in an Ambulatory Surgical Center

NCT05754255
View directory record Official record
Conditions
Colonoscopy, Positive-Pressure Respiration
Interventions
Nasal Cannula, Nasal Positive Airway Pressure System
Device
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Feb 24, 2026 · Synced Oct 10, 2026, 12:54 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

TD-0903 Pharmacokinetics Study in Healthy Participants With Supplemental Oxygenation

NCT05091723
View directory record Official record
Conditions
Acute Lung Injury (ALI) Due to Coronavirus Disease-2019 (COVID-19)
Interventions
Nezulcitinib (TD-0903) Dose A, Nezulcitinib (TD-0903) Dose B
Drug
Lead sponsor
Theravance Biopharma
Industry
Eligibility
18 Years to 65 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Cypress, California
Source: ClinicalTrials.gov public record
Updated Dec 10, 2021 · Synced Oct 10, 2026, 12:54 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Work of Breathing and Oxygen Saturation in Infants Receiving High Flow Nasal Cannula (HFNC)

NCT03529994
View directory record Official record
Conditions
High Flow Nasal Cannula
Interventions
Enrollment
Other
Lead sponsor
Christiana Care Health Services
Other
Eligibility
Up to 6 Months
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated Aug 28, 2019 · Synced Oct 10, 2026, 12:54 AM EDT
Terminated Not applicable Interventional

High Flow Nasal Cannula (HFNC) Initiation Flow Rate Study

NCT04517344
View directory record Official record
Conditions
Bronchiolitis
Interventions
Initial Flow Rate
Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
7 Days to 12 Months
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated May 16, 2025 · Synced Oct 10, 2026, 12:54 AM EDT