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ClinicalTrials.gov public records Last synced Sep 26, 2026, 11:52 PM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Inspiratory oxygen fraction Clear all
Completed No phase listed Observational Accepts healthy volunteers

Prospective Observation of Exercise Parameters in Advanced Heart Failure

NCT01210573
View directory record Official record
Conditions
Advanced Heart Failure
Interventions
adjustment of LVAD or pacemaker
Device
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 17, 2014 · Synced Sep 26, 2026, 11:52 PM EDT
Completed Phase 4 Interventional Results available

Aerosolized Endotracheal Lidocaine to Avoid Intracranial Pressure Spikes in Patients With Severe Traumatic Brain Injury

NCT05058677
View directory record Official record
Conditions
Traumatic Brain Injury
Interventions
aerosolized 2% lidocaine (20mg/ml), instilled 0.9% sodium chloride (NS), instilled 2% lidocaine solution, Endotracheal Suctioning (ETS)
Drug · Procedure
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
Up to 16 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 6, 2026 · Synced Sep 26, 2026, 11:52 PM 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 12, 2025 · Synced Sep 26, 2026, 11:52 PM EDT
Recruiting Phase 2 Interventional

Hyperbaric Oxygen Brain Injury Treatment Trial

NCT02407028
View directory record Official record
Conditions
Traumatic Brain Injury
Interventions
Hyperbaric oxygen (1.5 ATA, no NBH), Hyperbaric oxygen (2.0 ATA, no NBH), Hyperbaric oxygen (2.5 ATA, no NBH), Hyperbaric oxygen (1.5 ATA + NBH), Hyperbaric oxygen (2.0 ATA + NBH), Hyperbaric oxygen (2.5 ATA + NBH), Normobaric Hyperoxia (NBH), Usual Care
Drug · Other
Lead sponsor
Gaylan Rockswold
Other
Eligibility
16 Years to 65 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2029
U.S. locations
10
States / cities
San Diego, California • West Palm Beach, Florida • Iowa City, Iowa + 7 more
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Sep 26, 2026, 11:52 PM EDT
Completed Phase 2Phase 3 Interventional

Fetal Cerebrovascular Autoregulation in Congenital Heart Disease and Association With Neonatal Neurobehavior

NCT05767385
View directory record Official record
Conditions
Congenital Heart Disease in Children, Hypoxia, Neurodevelopmental Disorders, Complex Congenital Heart Disease
Interventions
Single Arm, Neonatal Neurobehavioral Scale
Procedure
Lead sponsor
University of Utah
Other
Eligibility
0 Years to 52 Years · Female only
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
5
States / cities
San Francisco, California • Washington D.C., District of Columbia • Scarborough, Maine + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Sep 26, 2026, 11:52 PM EDT
Active, not recruiting Not applicable Interventional

Acute Intermittent Hypoxia on Leg Function Following Spinal Cord Injury

NCT02274116
View directory record Official record
Conditions
Spinal Cord Injuries
Interventions
SHAM - Intermittent Room Air - room air mixture, AIH - Intermittent Hypoxia - hypoxia air mixture
Other
Lead sponsor
Spaulding Rehabilitation Hospital
Other
Eligibility
18 Years to 75 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2027
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 19, 2026 · Synced Sep 26, 2026, 11:52 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 Jun 1, 2026 · Synced Sep 26, 2026, 11:52 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Inspired Helium for Ischemic Protection During Knee Replacement Surgery

NCT02012361
View directory record Official record
Conditions
Ischemia
Interventions
Control Group, Single-Dose Heliox Group, Muscle Biopsy
Procedure
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 11, 2019 · Synced Sep 26, 2026, 11:52 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Effects of Continuous Positive Airway Pressure on Peripheral Oxygen Saturation, Work of Breathing, and Exercise Tolerance at Altitude

NCT05971290
View directory record Official record
Conditions
Hypoxemia, Altitude Hypoxia
Interventions
Continuous positive airway pressure, Ambient air
Device
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 70 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Aug 1, 2023 · Synced Sep 26, 2026, 11:52 PM EDT
Completed No phase listed Observational

Correlation of PaCO2 to the Inspired and Expired Oxygen Gradient

NCT01513213
View directory record Official record
Conditions
Neurosurgery
Interventions
Not listed
Lead sponsor
Swedish Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 23, 2017 · Synced Sep 26, 2026, 11:52 PM EDT
Completed Not applicable Interventional

Adaptive Support Ventilation in Acute Respiratory Distress Syndrome

NCT03715751
View directory record Official record
Conditions
Acute Respiratory Distress Syndrome
Interventions
ASV, Lung Protective Ventilation
Other
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 7, 2022 · Synced Sep 26, 2026, 11:52 PM EDT
Recruiting Not applicable Interventional

Manual T-piece Versus Ventilator Positive Pressure Ventilation During Resuscitation of Extremely Premature Neonates

NCT06849596
View directory record Official record
Conditions
Neonatal Resuscitation, Apnea Neonatal
Interventions
Ventilator derived positive pressure ventilation - V-PPV, T-piece resuscitator (TPR)
Device
Lead sponsor
Michelle Baczynski
Other
Eligibility
25 Weeks to 29 Weeks
Enrollment
780 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 10, 2026 · Synced Sep 26, 2026, 11:52 PM EDT
Completed Not applicable Interventional

Impact of High Versus Lower Oxygen Fraction Prior to Extubation on Postoperative Pulmonary Atelectasis Measured With EIT

NCT06538740
View directory record Official record
Conditions
Atelectasis
Interventions
Ventilating the patient with lower (40 or 70%) oxygen concentration during the wash out phase, before extubation
Procedure
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 24, 2025 · Synced Sep 26, 2026, 11:52 PM 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 26, 2026, 11:52 PM EDT
Terminated Not applicable Interventional

Mechanical Ventilation in Severe Brain Injury: The Effect of Positive End Expiratory Pressure on Intracranial Pressure

NCT02680704
View directory record Official record
Conditions
Intracranial Hypertension, Critical Illness, Brain Injuries, Lung Injury, Respiratory Failure, Positive-Pressure Respiration, Intrinsic
Interventions
PEEP titrated mechanical ventilation
Other
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 21, 2019 · Synced Sep 26, 2026, 11:52 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 2, 2019 · Synced Sep 26, 2026, 11:52 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Does High Intraoperative Inspired Oxygen Reduce Postoperative Arterial Oxygen Saturation?

NCT00715741
View directory record Official record
Conditions
Atelectasis
Interventions
FiO2 (fraction of inspired oxygen) 0.3 plus PEEP (positive end expiratory pressure) 3 -5 cm water, FiO2 0.3 without PEEP, FiO2 >0.9 with 3-5 cm water PEEP, FiO2 >0.9 without PEEP
Other
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 70 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Feb 17, 2010 · Synced Sep 26, 2026, 11:52 PM EDT
Active, not recruiting Not applicable Interventional

Positive End-Expiratory Pressure (PEEP) Levels During Resuscitation of Preterm Infants at Birth (The POLAR Trial).

NCT04372953
View directory record Official record
Conditions
Lung Injury, Preterm Birth
Interventions
Positive End-Expiratory Pressure (PEEP)
Procedure
Lead sponsor
Murdoch Childrens Research Institute
Other
Eligibility
23 Weeks to 28 Weeks
Enrollment
906 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
4
States / cities
Little Rock, Arkansas • San Diego, California • Indianapolis, Indiana + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 18, 2026 · Synced Sep 26, 2026, 11:52 PM EDT
Completed Not applicable Interventional Results available

Correlating Brain Tissue Oxygen and Regional Cerebral Oximetry

NCT03128957
View directory record Official record
Conditions
Stroke
Interventions
IVOS cerebral oximeter, Licox cerebral oxygenation monitor, Cerebral oxygenation
Device · Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 31, 2022 · Synced Sep 26, 2026, 11:52 PM EDT
Completed Not applicable Interventional Results available

Acute Intermittent Hypoxia in Traumatic Brain Injury

NCT04890639
View directory record Official record
Conditions
Brain Injuries, Traumatic
Interventions
Acute Intermittent Hypoxia
Procedure
Lead sponsor
Shirley Ryan AbilityLab
Other
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced Sep 26, 2026, 11:52 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 13, 2026 · Synced Sep 26, 2026, 11:52 PM EDT
Terminated Not applicable Interventional Results available

Airway Pressure Release Ventilation in Acute Lung Injury

NCT00750204
View directory record Official record
Conditions
Acute Lung Injury, Acute Respiratory Distress Syndrome, Mechanical Ventilation
Interventions
APRV, Conventional MV
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 14, 2017 · Synced Sep 26, 2026, 11:52 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 19, 2026 · Synced Sep 26, 2026, 11:52 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Breathing Mild Bouts of Low Oxygen on Limb Mobility After Spinal Injury

NCT02323945
View directory record Official record
Conditions
Spinal Cord Injuries
Interventions
AIH, Walk, Strength
Other
Lead sponsor
Spaulding Rehabilitation Hospital
Other
Eligibility
18 Years to 75 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2027
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 19, 2026 · Synced Sep 26, 2026, 11:52 PM EDT