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ClinicalTrials.gov public records Last synced Sep 30, 2026, 5:19 AM EDT

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Showing 1–24 of 34 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Nasal cannula flow rate Clear all
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 Sep 30, 2026, 5:19 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 5, 2016 · Synced Sep 30, 2026, 5:19 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 Sep 30, 2026, 5:19 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 Sep 30, 2026, 5:19 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 Sep 30, 2026, 5:19 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 Sep 30, 2026, 5:19 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 19, 2024 · Synced Sep 30, 2026, 5:19 AM EDT
Completed Not applicable Interventional

Prematurity Related Ventilatory Control (PRE-VENT) - Specific Aim 3

NCT03333174
View directory record Official record
Conditions
Infant,Premature
Interventions
Cardiorespiratory monitoring
Diagnostic Test
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
1 Day to 98 Days
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Sep 21, 2021 · Synced Sep 30, 2026, 5:19 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 Sep 30, 2026, 5:19 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Supplemental Oxygen and Oxygen Desaturations in Colonoscopies

NCT07515755
View directory record Official record
Conditions
Oxygen Desaturation, Apnea (Central and Obstructive), Airway Obstruction
Interventions
Breath-synchronized oxygen, CPAP, Control
Device
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
280 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
South Jordan, Utah
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Sep 30, 2026, 5:19 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 4, 2019 · Synced Sep 30, 2026, 5:19 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 Sep 30, 2026, 5:19 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 Sep 30, 2026, 5:19 AM EDT
Completed No phase listed Observational

Effective Fraction of Inspired Oxygen With Nasal Cannula in Premature Infants

NCT03431818
View directory record Official record
Conditions
Oxygen Therapy
Interventions
Nasal cannula flow rate
Other
Lead sponsor
University of Miami
Other
Eligibility
Not listed
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Mar 20, 2025 · Synced Sep 30, 2026, 5:19 AM EDT
Completed Not applicable Interventional Results available

High Flow Therapy for the Treatment of Respiratory Failure in the ED

NCT02236559
View directory record Official record
Conditions
Acute Respiratory Failure
Interventions
Noninvasive positive pressure ventilation (NIPPV), Vapotherm
Device
Lead sponsor
Vapotherm, Inc.
Industry
Eligibility
18 Years and older
Enrollment
204 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
5
States / cities
Athens, Georgia • Florence, South Carolina • Chattanooga, Tennessee + 2 more
Source: ClinicalTrials.gov public record
Updated May 23, 2019 · Synced Sep 30, 2026, 5:19 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 13, 2024 · Synced Sep 30, 2026, 5:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Phamacological Reversal of Airway Instability During Sedation

NCT01171118
View directory record Official record
Conditions
Upper Airway Obstruction
Interventions
Physostigmine, Oxygen, Placebo
Drug
Lead sponsor
University of Rochester
Other
Eligibility
18 Years to 45 Years · Male only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Apr 27, 2015 · Synced Sep 30, 2026, 5:19 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Pre-oxygenation With Real Time End-tidal Oxygen Measurements Versus Single Breath Measurements

NCT03840486
View directory record Official record
Conditions
Rapid Sequence Intubation
Interventions
Non-rebreather mask (NRBM), Non-invasive ventilator mask (NIV), Nasal cannula EtO2 sensor, Oxygen (NRBM), Oxygen (NIV)
Device · Drug
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
2
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jun 13, 2025 · Synced Sep 30, 2026, 5:19 AM EDT
Completed Not applicable Interventional Results available

Comparison of Oxygenation and Ventilation With a Novel Nasal Mask Versus Standard of Care During Colonoscopy

NCT03139448
View directory record Official record
Conditions
Colonoscopy, Oxygenation, Ventilation
Interventions
Oxygen via nasal cannula, Oxygen via SuperNO2VA nasal mask
Device
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
174 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Feb 5, 2019 · Synced Sep 30, 2026, 5:19 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 Sep 30, 2026, 5:19 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 3, 2024 · Synced Sep 30, 2026, 5:19 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 30, 2024 · Synced Sep 30, 2026, 5:19 AM EDT
Withdrawn Not applicable Interventional

High Flow Therapy (HFT) to Treat Respiratory Insufficiency in Chronic Obstructive Pulmonary Disease (COPD)

NCT00990119
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive, Respiratory Insufficiency
Interventions
Vapotherm High Flow Therapy, Non-invasive positive pressure ventilation
Device
Lead sponsor
Vapotherm, Inc.
Industry
Eligibility
50 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 16, 2020 · Synced Sep 30, 2026, 5:19 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 16, 2017 · Synced Sep 30, 2026, 5:19 AM EDT