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ClinicalTrials.gov public records Last synced Oct 25, 2026, 1:23 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–48 of 58 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Higher FiO2 Clear all
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 25, 2026, 1:23 PM EDT
Completed Not applicable Interventional

EPVent 2- A Phase II Study of Mechanical Ventilation Directed by Transpulmonary Pressures

NCT01681225
View directory record Official record
Conditions
Acute Respiratory Distress Syndrome
Interventions
Esophageal-pressure guided mechanical ventilation, High PEEP mechanical ventilation
Other
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
16 Years and older
Enrollment
202 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
10
States / cities
La Jolla, California • Stanford, California • Orlando, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Dec 3, 2019 · Synced Oct 25, 2026, 1:23 PM EDT
Terminated Not applicable Interventional Results available

Ventilation With High Oxygen Content and Postoperative Pneumocephalus

NCT02722928
View directory record Official record
Conditions
Pneumocephalus
Interventions
Controlled Ventilation with 100% oxygen
Other
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 4, 2019 · Synced Oct 25, 2026, 1:23 PM EDT
Completed No phase listed Observational

OPTiMASK: Comparison of Pre-oxygenation With Standard Face Mask Combined With High Flow Nasal Oxygen With Pre-oxygenation With Standard Face Mask Alone

NCT05495841
View directory record Official record
Conditions
Surgery
Interventions
Pre-oxygenation
Device
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 30, 2023 · Synced Oct 25, 2026, 1:23 PM 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 27, 2026 · Synced Oct 25, 2026, 1:23 PM 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 20, 2026 · Synced Oct 25, 2026, 1:23 PM 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 Oct 25, 2026, 1:23 PM EDT
Active, not recruiting Not applicable Interventional Results available

Delayed Cord Clamping With Oxygen In Extremely Low Gestation Infants

NCT04413097
View directory record Official record
Conditions
IVH- Intraventricular Hemorrhage, Extreme Prematurity, Hypoxia Neonatal, Hyperoxia, Respiratory Insufficiency
Interventions
Delayed Cord Clamping with Low Oxygen concentration, Delayed Cord Clamping with High Oxygen concentration
Procedure
Lead sponsor
Sharp HealthCare
Other
Eligibility
22 Weeks to 28 Weeks
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
3
States / cities
Davis, California • San Diego, California
Source: ClinicalTrials.gov public record
Updated Oct 15, 2026 · Synced Oct 25, 2026, 1:23 PM EDT
Completed Not applicable Interventional Results available

Pragmatic Investigation of optimaL Oxygen Targets Trial

NCT03537937
View directory record Official record
Conditions
Respiratory Failure
Interventions
Lower SpO2 Target, Intermediate SpO2 Target, Higher SpO2 Target
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
2,541 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 25, 2023 · Synced Oct 25, 2026, 1:23 PM EDT
Completed Not applicable Interventional

High-Flow Oxygen Therapy Following Tracheostomy

NCT03721419
View directory record Official record
Conditions
Acute Respiratory Failure
Interventions
High Flow High Humidity device, Low Flow High Humidity device
Device
Lead sponsor
Barnes-Jewish Hospital
Other
Eligibility
18 Years and older
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 20, 2021 · Synced Oct 25, 2026, 1:23 PM EDT
Completed Not applicable Interventional

CPAP Or Nasal Cannula Oxygen for Preterm Infants: A Randomized Controlled Trial

NCT04792099
View directory record Official record
Conditions
Infant, Newborn, Disease, Hypoxia, Respiratory Distress Syndrome, Bronchopulmonary Dysplasia
Interventions
Continuous positive airway pressure, Nasal Cannula
Procedure
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
Not listed
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jan 26, 2024 · Synced Oct 25, 2026, 1:23 PM 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 25, 2026, 1:23 PM 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 Oct 13, 2026 · Synced Oct 25, 2026, 1:23 PM 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 25, 2026, 1:23 PM EDT
Withdrawn Phase 2 Interventional

Airway Pressure Release Ventilation (APRV) Compared to ARDSnet Ventilation

NCT00793013
View directory record Official record
Conditions
Acute Lung Injury, Adult Respiratory Distress Syndrome, Kidney Injury
Interventions
Volume-Cycled Assist-Control (AC) mode, Airway Pressure Release Ventilation (APRV) mode
Device
Lead sponsor
University of Tennessee, Chattanooga
Other
Eligibility
18 Years to 85 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Chattanooga, Tennessee
Source: ClinicalTrials.gov public record
Updated Nov 4, 2020 · Synced Oct 25, 2026, 1:23 PM 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 25, 2026, 1:23 PM EDT
Completed Early Phase 1 Interventional

Effect of a Novel Intervention Using Daily Intermittent Hypoxia and High Intensity Training on Upper Limb Function in Individuals With Spinal Cord Injury

NCT03643770
View directory record Official record
Conditions
Spinal Cord Injuries
Interventions
Upper extremity training/Armeo Spring
Combination Product
Lead sponsor
Shirley Ryan AbilityLab
Other
Eligibility
18 Years to 75 Years
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 2, 2025 · Synced Oct 25, 2026, 1:23 PM EDT
Completed Not applicable Interventional Results available

Early PP With HFNC Versus HFNC in COVID-19 Induced Moderate to Severe ARDS

NCT04325906
View directory record Official record
Conditions
Prone Positioning, High Flow Nasal Cannula, Acute Respiratory Distress Syndrome, Corona Virus Infection
Interventions
high flow nasal cannula (HFNC), Prone positioning (PP)
Device · Procedure
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years and older
Enrollment
224 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 2, 2022 · Synced Oct 25, 2026, 1:23 PM EDT
Active, not recruiting No phase listed Observational

ARDS in Children and ECMO Initiation Strategies Impact on Neurodevelopment (ASCEND)

NCT05388708
View directory record Official record
Conditions
Acute Respiratory Distress Syndrome, Extracorporeal Membrane Oxygenation
Interventions
ECMO support, PROSpect protocolized therapies
Device · Other
Lead sponsor
University of Michigan
Other
Eligibility
14 Days to 20 Years
Enrollment
550 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
72
States / cities
Birmingham, Alabama • Phoenix, Arizona • Little Rock, Arkansas + 62 more
Source: ClinicalTrials.gov public record
Updated Jul 14, 2026 · Synced Oct 25, 2026, 1:23 PM 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 Oct 25, 2026, 1:23 PM EDT
Completed Not applicable Interventional Results available

Impact of Prophylactic High Flow Nasal Oxygen in Post-Operative Thoracic Surgical Patients

NCT03024112
View directory record Official record
Conditions
Post-operative Pulmonary Complications
Interventions
Heated humified high-flow nasal cannula Oxygen, Standard oxygen therapy
Device · Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 100 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Oct 25, 2026, 1:23 PM 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 25, 2026, 1:23 PM 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 25, 2026, 1:23 PM 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 20, 2017 · Synced Oct 25, 2026, 1:23 PM EDT