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ClinicalTrials.gov public records Last synced Sep 17, 2026, 12:32 AM EDT

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Showing 1–24 of 84 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: High flow nasal oxygen Clear all
Completed Not applicable Interventional Results available

Physiological Changes With High-Flow Nasal Cannula

NCT03700606
View directory record Official record
Conditions
Respiratory Distress Syndrome in Premature Infant
Interventions
High flow nasal cannula, Nasal CPAP
Procedure
Lead sponsor
Sharp HealthCare
Other
Eligibility
23 Weeks to 28 Weeks
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Apr 16, 2026 · Synced Sep 17, 2026, 12:32 AM EDT
Terminated Not applicable Interventional Results available

High Flow Nasal Cannula Versus Bubble Nasal CPAP for the Treatment of Transient Tachypnea of the Newborn in Infants ≥ 35 Weeks Gestation

NCT01270581
View directory record Official record
Conditions
Transient Tachypnea of the Newborn
Interventions
High Flow Nasal Cannula, Bubble Nasal CPAP
Other
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
Up to 24 Hours
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 15, 2017 · Synced Sep 17, 2026, 12:32 AM EDT
Completed Not applicable Interventional

Reducing Reintubation Risk in High-Risk Cardiac Surgery Patients With High-Flow Nasal Cannula

NCT04782817
View directory record Official record
Conditions
Intubation, Cardiovascular Surgical Procedure
Interventions
Recommendation for high flow nasal cannula oxygen therapy order set, Provider choice standard care order set
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
3,568 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 19, 2026 · Synced Sep 17, 2026, 12:32 AM EDT
Terminated Not applicable Interventional Results available

Nasal High Flow Therapy 30 Day Readmission Study

NCT02552732
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease, COPD
Interventions
NHF with or without Oxygen
Device
Lead sponsor
Fisher and Paykel Healthcare
Industry
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Liverpool, New York
Source: ClinicalTrials.gov public record
Updated Aug 16, 2020 · Synced Sep 17, 2026, 12:32 AM EDT
Completed Not applicable Interventional Results available

Effect of Nasal Positive Airway Pressure Versus Standard Care on Oxygenation and Ventilation During Propofol-based Sedation for Colonoscopy in Patients With High Risk of Airway Obstruction

NCT05524220
View directory record Official record
Conditions
Obstructive Sleep Apnea, Obesity
Interventions
Standard care with a facemask., SuperNO2VA™EtCO2 (Nasal Oxygenating Ventilating Apparatus)
Device
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 21, 2025 · Synced Sep 17, 2026, 12:32 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 6, 2026 · Synced Sep 17, 2026, 12:32 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 6, 2025 · Synced Sep 17, 2026, 12:32 AM EDT
Completed Not applicable Interventional

Pilot Study of Physiological Effect of High-Flow Nasal Cannula on Respiratory Pattern and Work of Breathing

NCT02514798
View directory record Official record
Conditions
COPD
Interventions
Esophageal and gastric balloons, Respiratory Inductance Plethysmography (RIP) system, Sentec transcutaneous monitoring system, High-flow humidified nasal oxygen delivery system, CPAP (Positive Control)
Other · Device
Lead sponsor
Tufts Medical Center
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 9, 2022 · Synced Sep 17, 2026, 12:32 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 27, 2019 · Synced Sep 17, 2026, 12:32 AM EDT
Terminated Not applicable Interventional Results available

The Use of High Flow Nasal Cannula, Standard Face Mask and Standard Nasal Cannula in Morbidly Obese Patients

NCT03479905
View directory record Official record
Conditions
Desaturation of Blood, Colonoscopy
Interventions
Salter nasal cannula, Face mask, High Flow Nasal Cannula
Other · Device
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
143 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Aug 12, 2024 · Synced Sep 17, 2026, 12:32 AM 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 17, 2026, 12:32 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 1, 2022 · Synced Sep 17, 2026, 12:32 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 15, 2025 · Synced Sep 17, 2026, 12:32 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 4, 2022 · Synced Sep 17, 2026, 12:32 AM EDT
Not listed Not applicable Interventional

HFNC Versus Conventional Nasal Cannula in Oxygen Performance in Patients Receiving Colonoscopy Under IV Sedation

NCT02968706
View directory record Official record
Conditions
Desaturation of Blood
Interventions
High Flow Nasal Cannula, Conventional Nasal Cannula, Patient satisfaction questionnaire
Device · Other
Lead sponsor
Aventura Hospital and Medical Center
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Aventura, Florida
Source: ClinicalTrials.gov public record
Updated Feb 19, 2017 · Synced Sep 17, 2026, 12:32 AM EDT
Not listed Not applicable Interventional

Effects of High Flow Nasal Cannula on Deadspace Reduction and Regional Distribution of Ventilation

NCT02460653
View directory record Official record
Conditions
Respiratory Insufficiency, Hypoxia
Interventions
HFNC Flow Rate
Device
Lead sponsor
Boston Children's Hospital
Other
Eligibility
4 Weeks to 17 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
2
States / cities
Boston, Massachusetts • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 3, 2019 · Synced Sep 17, 2026, 12:32 AM EDT
Not yet recruiting Not applicable Interventional

Optimizing High Flow Nasal Cannula Oxygenation in Pediatric Airway Procedures

NCT06947902
View directory record Official record
Conditions
Airway Disorder
Interventions
High flow, Low Flow
Device
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
0 Years to 17 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 26, 2025 · Synced Sep 17, 2026, 12:32 AM EDT
Completed Not applicable Interventional

Postoperative Nasal High Flow Versus Oxygen for Positive Airway Pressure Non-Compliance Sleep Apnea Patients

NCT02485236
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Low flow oxygen via nasal cannula, Humidified Nasal High Flow Therapy
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 8, 2019 · Synced Sep 17, 2026, 12:32 AM EDT
Recruiting Not applicable Interventional

Prospective Study to Evaluate High Flow Nasal Cannula With Monitored Anesthesia Care During EBUS Bronchoscopy

NCT05203328
View directory record Official record
Conditions
Lung Cancer
Interventions
Vapotherm, Regular nasal canula
Device
Lead sponsor
The Cooper Health System
Other
Eligibility
18 Years and older
Enrollment
198 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Camden, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 24, 2025 · Synced Sep 17, 2026, 12:32 AM EDT
Completed Not applicable Interventional Results available

Transnasal Humidified Rapid-Insufflation Ventilatory Exchange (THRIVE) and Laser Laryngeal Surgery

NCT03086265
View directory record Official record
Conditions
Otorhinolaryngologic Surgical Procedures, Laser Therapy
Interventions
THRIVE, Endotracheal tube
Device
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Mar 16, 2020 · Synced Sep 17, 2026, 12:32 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 14, 2023 · Synced Sep 17, 2026, 12:32 AM EDT
Completed Not applicable Interventional Results available

Pilot Study of High-flow Humidified Nasal Oxygen During Breaks From Noninvasive Ventilation

NCT01925534
View directory record Official record
Conditions
Acute Respiratory Failure, Treatment With Noninvasive Positive Pressure Ventilation
Interventions
High-flow humidified nasal oxygen delivery system, Standard oxygen therapy
Device
Lead sponsor
Tufts Medical Center
Other
Eligibility
18 Years and older
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
2
States / cities
Boston, Massachusetts • Winchester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 2, 2024 · Synced Sep 17, 2026, 12:32 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Safety, Tolerability, and Efficacy of Anti-Spike (S) SARS-CoV-2 Monoclonal Antibodies for Hospitalized Adult Patients With COVID-19

NCT04426695
View directory record Official record
Conditions
COVID-19
Interventions
REGN10933+REGN10987 combination therapy, Placebo
Drug
Lead sponsor
Regeneron Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
2,252 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
96
States / cities
Birmingham, Alabama • Chandler, Arizona • Phoenix, Arizona + 70 more
Source: ClinicalTrials.gov public record
Updated Jan 26, 2023 · Synced Sep 17, 2026, 12:32 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 22, 2021 · Synced Sep 17, 2026, 12:32 AM EDT