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Showing 1–24 of 125 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Nasal high flow Clear all
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 9, 2026, 5:50 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 26, 2022 · Synced Sep 9, 2026, 5:50 AM EDT
Terminated Not applicable Interventional Results available

Pediatric Helmet CPAP Pilot Study

NCT04764929
View directory record Official record
Conditions
Bronchiolitis, Viral, Pneumonia, Viral, Pneumonia, Bacterial
Interventions
Helmet CPAP
Device
Lead sponsor
Columbia University
Other
Eligibility
1 Month to 5 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 28, 2024 · Synced Sep 9, 2026, 5:50 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 1, 2016 · Synced Sep 9, 2026, 5:50 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 9, 2026, 5:50 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 9, 2026, 5:50 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 21, 2026 · Synced Sep 9, 2026, 5:50 AM EDT
Completed No phase listed Observational

Respiratory Supports and COVID-19 Mortality

NCT04832061
View directory record Official record
Conditions
COVID-19
Interventions
Respiratory supports
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
2,300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated May 12, 2021 · Synced Sep 9, 2026, 5:50 AM EDT
Not listed Not applicable Interventional

ROX Index for the Timing of Intubation in Nasal High Flow

NCT04707729
View directory record Official record
Conditions
Acute Hypoxemic Respiratory Failure
Interventions
ROX index algorithm
Diagnostic Test
Lead sponsor
Hospital Universitari Vall d'Hebron Research Institute
Other
Eligibility
18 Years to 120 Years
Enrollment
630 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 14, 2024 · Synced Sep 9, 2026, 5:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Pathogenesis and Outcomes of Sleep Disordered Breathing in Chronic Obstructive Pulmonary Disease (COPD)

NCT01764165
View directory record Official record
Conditions
COPD
Interventions
Oxygen, High flow of room air
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 80 Years
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 4, 2016 · Synced Sep 9, 2026, 5:50 AM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers

Infant Pulmonary Mechanics: High Flow Nasal Cannula Versus Nasal CPAP

NCT01939067
View directory record Official record
Conditions
Respiratory Distress, Lung Injury
Interventions
Heated Humidified High Flow Nasal Cannula, Nasal Continuous Positive Airway Pressure
Device
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
2 Hours to 72 Hours
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 14, 2015 · Synced Sep 9, 2026, 5:50 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 23, 2026 · Synced Sep 9, 2026, 5:50 AM EDT
Completed Not applicable Interventional Results available

HVNI Ambulation Feasibility Study

NCT03885726
View directory record Official record
Conditions
Respiratory Insufficiency, Dyspnea
Interventions
Precision Flow Plus, Treatment as Usual
Device
Lead sponsor
Vapotherm, Inc.
Industry
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
3
States / cities
Saint Charles, Missouri • Mount Vernon, Ohio • Newport News, Virginia
Source: ClinicalTrials.gov public record
Updated Oct 18, 2020 · Synced Sep 9, 2026, 5:50 AM EDT
Recruiting 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 18, 2024 · Synced Sep 9, 2026, 5:50 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 25, 2024 · Synced Sep 9, 2026, 5:50 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 9, 2026, 5:50 AM EDT
Completed Not applicable Interventional Results available

Transnasal Humidified Rapid-Insufflation Ventilatory Exchange (THRIVE) and Short Laryngologic Surgery

NCT03091179
View directory record Official record
Conditions
Laryngologic Surgical Procedures
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 – 2018
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Mar 3, 2020 · Synced Sep 9, 2026, 5:50 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 9, 2026, 5:50 AM EDT
Completed Not applicable Interventional Results available

HFNC Flow Titration and Effort of Breathing in the PICU

NCT02793674
View directory record Official record
Conditions
High Flow Nasal Cannula
Interventions
Fisher & Paykel high flow nasal cannula, Vapotherm high flow nasal cannula
Device
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
Up to 3 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 29, 2024 · Synced Sep 9, 2026, 5:50 AM EDT
Completed Not applicable Interventional Results available

Transnasal Humidified Rapid-Insufflation Ventilatory Exchange (THRIVE) and Diagnostic Bronchoscopy

NCT03086408
View directory record Official record
Conditions
Bronchoscopy
Interventions
THRIVE, Endotracheal tube or Supraglottic airway
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 Jul 16, 2020 · Synced Sep 9, 2026, 5:50 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 11, 2026 · Synced Sep 9, 2026, 5:50 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 26, 2026 · Synced Sep 9, 2026, 5:50 AM EDT
Not listed Phase 2 Interventional Results available

High-Flow Oxygen in Reducing Shortness of Breath Caused by Exercise in Patients With Cancer

NCT02357134
View directory record Official record
Conditions
Dyspnea, Malignant Neoplasm
Interventions
Oxygen Therapy, Quality-of-Life Assessment, Questionnaire Administration, Respiratory Therapy
Procedure · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2023
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 6, 2022 · Synced Sep 9, 2026, 5:50 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 8, 2022 · Synced Sep 9, 2026, 5:50 AM EDT