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ClinicalTrials.gov public records Last synced Oct 2, 2026, 5:18 AM EDT

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Showing 49–72 of 84 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: High flow nasal oxygen Clear all
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 2, 2026, 5:18 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 2, 2026, 5:18 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 2, 2026, 5:18 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Withdrawn Not applicable Interventional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 2, 2026, 5:18 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 27, 2023 · Synced Oct 2, 2026, 5:18 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 2, 2026, 5:18 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

THRIVE Use in Pediatric Populations- Multi Site

NCT04322994
View directory record Official record
Conditions
Oxygen Deficiency, Desaturation of Blood, Hypoventilation, Anesthesia; Adverse Effect
Interventions
Transnasal Humidified Rapid-Insufflation Ventilatory Echange
Device
Lead sponsor
Stanford University
Other
Eligibility
Up to 18 Years
Enrollment
175 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
5
States / cities
Palo Alto, California • Chicago, Illinois • Boston, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 27, 2025 · Synced Oct 2, 2026, 5:18 AM EDT
Completed Not applicable Interventional

High Flow Nasal Cannula With Noninvasive Ventilation

NCT04507425
View directory record Official record
Conditions
Acute Respiratory Failure
Interventions
Standard of Care - Nasal Cannula, High-flow nasal cannula, HFNC plus non-invasive ventilation
Other
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 100 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Nov 21, 2023 · Synced Oct 2, 2026, 5:18 AM EDT
Completed Not applicable Interventional Results available

Sleep and Daytime Use of Humidified Nasal High-flow Oxygen in COPD Outpatients

NCT03221387
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive, Hypercapnia, Hypoxia
Interventions
Humidified nasal high flow with oxygen
Device
Lead sponsor
Temple University
Other
Eligibility
40 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 7, 2021 · Synced Oct 2, 2026, 5:18 AM EDT
Terminated Not applicable Interventional Results available

Maintaining Optimal HVNI Delivery Using Automatic Titration of Oxygen in Preterm Infants

NCT05030012
View directory record Official record
Conditions
Infant, Premature, Neonatal Respiratory Distress, Oxygen Saturation, Bronchopulmonary Dysplasia
Interventions
Automated Control, Manual Control
Device
Lead sponsor
Vapotherm, Inc.
Industry
Eligibility
Not listed
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
3
States / cities
Washington D.C., District of Columbia • Salt Lake City, Utah • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 26, 2024 · Synced Oct 2, 2026, 5:18 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 17, 2020 · Synced Oct 2, 2026, 5:18 AM EDT
Completed Not applicable Interventional

Tolerance and Acute Effects of a New HFNT Nasal Cannula

NCT05182294
View directory record Official record
Conditions
COPD Exacerbation Acute
Interventions
AIRVO 2, the new asymmetric nasal cannula
Device
Lead sponsor
Temple University
Other
Eligibility
40 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 6, 2023 · Synced Oct 2, 2026, 5:18 AM EDT
Not yet recruiting Not applicable Interventional

Perioperative High-flow Nasal Oxygen in Patients Undergoing Robotic Surgery

NCT07591610
View directory record Official record
Conditions
Robotic Surgery
Interventions
High flow nasal oxygen
Device
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Enrollment
190 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Oct 2, 2026, 5:18 AM EDT
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 2, 2026, 5:18 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 10, 2022 · Synced Oct 2, 2026, 5:18 AM EDT
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 17, 2026 · Synced Oct 2, 2026, 5:18 AM EDT
Terminated Not applicable Interventional Results available

HFNC Effect on BCSS in Patients With COPD

NCT02825043
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
High-Flow Nasal Cannula
Device
Lead sponsor
University of Oklahoma
Other
Eligibility
35 Years to 80 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jun 29, 2020 · Synced Oct 2, 2026, 5:18 AM EDT
Terminated Not applicable Interventional Results available

Postextubation Management in Patients at Risk for Extubation Failure

NCT04258020
View directory record Official record
Conditions
Ventilatory Failure
Interventions
BiPAP, HFNC
Device
Lead sponsor
OhioHealth
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 13, 2022 · Synced Oct 2, 2026, 5:18 AM EDT
Completed Phase 2 Interventional Results available

High Flow Oxygen and Bilevel Airway Pressure for Persistent Dyspnea in Patients With Advanced Cancer

NCT00934128
View directory record Official record
Conditions
Advanced Cancers
Interventions
Vapotherm, BIPAP
Device
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 2, 2016 · Synced Oct 2, 2026, 5:18 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 17, 2020 · Synced Oct 2, 2026, 5:18 AM EDT
Completed Not applicable Interventional

Oxygen Savings With Administered Oxygen and High Flow Ambient Air At Rest

NCT04170062
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive, Lung Diseases, Interstitial, Pulmonary Fibrosis, Hypoxemia, Dyspnea, Oxygen Inhalation Therapy
Interventions
Nasal Delivery of High-Flow Air and Oxygen Therapy, Nasal Delivery of Oxygen Therapy
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
30 Years to 100 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 24, 2024 · Synced Oct 2, 2026, 5:18 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 2, 2026, 5:18 AM EDT
Active, not recruiting Not applicable Interventional

High Flow Nasal Cannula Compared to Standard Oxygen for Endoscopic Ultrasound

NCT06704867
View directory record Official record
Conditions
Endoscopic Ultrasound
Interventions
High flow nasal cannula
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Oct 2, 2026, 5:18 AM EDT
Recruiting Not applicable Interventional

WIN Ratio Analysis to Determine a Strategy of Non- Invasive SUpport for Respiratory Failure in the EmeRgency Department

NCT07558265
View directory record Official record
Conditions
Acute Hypoxic Respiratory Failure, Acute Respiratory Distress Syndrome (ARDS)
Interventions
Non-Invasive Positive Pressure Ventilation, High Flow Nasal Oxygen
Device
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
6
States / cities
Tucson, Arizona • Ann Arbor, Michigan • Columbus, Ohio + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 1, 2026 · Synced Oct 2, 2026, 5:18 AM EDT