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ClinicalTrials.gov public records Last synced Oct 1, 2026, 8:08 AM EDT

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Showing 49–72 of 166 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Fraction of Inspired Oxygen Clear all
Completed Not applicable Interventional

The ECMO-Free Trial

NCT05486559
View directory record Official record
Conditions
Extracorporeal Membrane Oxygenation Complication
Interventions
ECMO-free protocol, Usual Care
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
7
States / cities
San Diego, California • Stanford, California • Minneapolis, Minnesota + 4 more
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Oct 1, 2026, 8:08 AM EDT
Active, not recruiting Not applicable Interventional

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 – 2026
U.S. locations
3
States / cities
Davis, California • San Diego, California
Source: ClinicalTrials.gov public record
Updated Jun 12, 2025 · Synced Oct 1, 2026, 8:08 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 Oct 1, 2026, 8:08 AM EDT
Terminated Not applicable Interventional

Extubation Readiness Study in Very Low Birthweight Infants

NCT01471431
View directory record Official record
Conditions
Respiratory Distress Syndrome
Interventions
spontaneous breathing trial
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
48 Hours to 14 Weeks
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
2
States / cities
Phialdelphia, Pennsylvania • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 7, 2016 · Synced Oct 1, 2026, 8:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Use of High Flow Nasal Cannula During Sedation of Morbidly Obese Patients in the Endoscopy Suite

NCT02859597
View directory record Official record
Conditions
Morbid Obesity, Noninvasive Ventilation, Deep Sedation
Interventions
High flow nasal cannula, Nasal Cannula
Device
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Apr 16, 2020 · Synced Oct 1, 2026, 8:08 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 Oct 1, 2026, 8:08 AM EDT
Completed Not applicable Interventional Results available

Ventilation Strategies, Anesthetic Techniques and Cerebral Oxygenation in the Beach Chair Position

NCT01535274
View directory record Official record
Conditions
Stroke
Interventions
Inspired oxygen fraction / end tidal carbon dioxide
Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 85 Years
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 6, 2022 · Synced Oct 1, 2026, 8:08 AM EDT
Completed Not applicable Interventional

Individualized Perioperative Open Lung Ventilatory Strategy

NCT02158923
View directory record Official record
Conditions
Moderated-high Risk of Postoperative Pulmonary Complication, Abdominal Surgery Expected More Than Two Hours
Interventions
Alveolar recruitment maneuver, Calculation of optimal PEEP, Postoperative CPAP
Procedure
Lead sponsor
Fundación para la Investigación del Hospital Clínico de Valencia
Other
Eligibility
18 Years and older
Enrollment
920 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 17, 2016 · Synced Oct 1, 2026, 8:08 AM 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 24, 2017 · Synced Oct 1, 2026, 8:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Intermittent Hypoxia and Inspiratory Threshold Loading to Enhance Inspiratory Muscle Function

NCT03029559
View directory record Official record
Conditions
Intermittent Hypoxia
Interventions
Intermittent Hypoxia, Inspiratory Threshold Loading, Sham Intermittent Hypoxia
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 40 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 20, 2019 · Synced Oct 1, 2026, 8:08 AM EDT
Withdrawn Not applicable Interventional

Effects of Different PEEP Levels on Work of Breathing in Morbidly Obese Patients Prior to and After Extubation

NCT02492113
View directory record Official record
Conditions
Obesity
Interventions
Positive end-expiratory pressure (PEEP), ZEEP
Procedure
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 20, 2026 · Synced Oct 1, 2026, 8:08 AM 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 8, 2022 · Synced Oct 1, 2026, 8:08 AM 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 18, 2010 · Synced Oct 1, 2026, 8:08 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

Project 4A: Inspiratory Muscle Training and Diaphragm Strength

NCT02367170
View directory record Official record
Conditions
Sepsis
Interventions
Bilateral phrenic nerve stimulation and measurement of transdiaphragmatic pressure, Midazolam, Volitional Measurement of Maximal Inspiratory Pressure (MIP), Inspiratory Muscle Strength Training (IMST), SHAM Inspiratory Muscle Strength Training (IMST), Diaphragm thickness measurement, Blood and Urine samples
Procedure · Drug · Device + 1 more
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated May 7, 2018 · Synced Oct 1, 2026, 8:08 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 Oct 1, 2026, 8:08 AM EDT
Completed Not applicable Interventional Results available

Inhaled Nitric Oxide (iNO) as an Adjunct to Neonatal Resuscitation

NCT01220687
View directory record Official record
Conditions
Respiratory Distress Syndrome in Premature Infants, Very Low Birth Weight Baby
Interventions
iNO, Nitrogen
Drug · Other
Lead sponsor
University of Oklahoma
Other
Eligibility
1 Minute to 2 Minutes
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
2
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Aug 19, 2020 · Synced Oct 1, 2026, 8:08 AM EDT
Not listed Not applicable Interventional

Effect of Transpulmonary Pressure Guided Ventilation on Intraoperative Right Heart Function

NCT05709041
View directory record Official record
Conditions
Obesity, Surgery, Anesthesia, Echocardiography, Transesophageal, Mechanical Ventilation
Interventions
Individualized lung-protective ventilation, Standard lung-protective ventilation
Other
Lead sponsor
University of Vermont Medical Center
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Feb 1, 2023 · Synced Oct 1, 2026, 8:08 AM EDT
Completed Not applicable Interventional Results available

Standard vs. Accelerated Initiation of RRT in Acute Kidney Injury (STARRT-AKI: Principal Trial)

NCT02568722
View directory record Official record
Conditions
Acute Kidney Injury
Interventions
Standard RRT initiation, Accelerated RRT initiation
Other
Lead sponsor
Unity Health Toronto
Other
Eligibility
18 Years and older
Enrollment
3,019 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
6
States / cities
Birmingham, Alabama • Gainesville, Florida • Lexington, Kentucky + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 18, 2024 · Synced Oct 1, 2026, 8:08 AM 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 2, 2026 · Synced Oct 1, 2026, 8:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Role of Hypoxia on Subconcussive Head Impacts

NCT04624152
View directory record Official record
Conditions
Trauma, Brain
Interventions
Soccer heading
Behavioral
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 26 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Bloomington, Indiana
Source: ClinicalTrials.gov public record
Updated Nov 10, 2020 · Synced Oct 1, 2026, 8:08 AM EDT
Completed No phase listed Observational

Prematurity-Related Ventilatory Control

NCT03464396
View directory record Official record
Conditions
Respiratory Control in Premature Infants
Interventions
Bedside Physiology study, Carotid Body Function Test, Room Air Challenge, Hypoxia Challenge Test, Effects of Nasal Cannula Flow, Magnetic Resonance Imaging, Echocardiogram, Blood Sample
Other · Diagnostic Test
Lead sponsor
Washington University School of Medicine
Other
Eligibility
1 Day to 28 Days
Enrollment
177 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 31, 2023 · Synced Oct 1, 2026, 8:08 AM EDT
Completed No phase listed Interventional Results available

FiO2 Closed Loop Control Ventilation

NCT02810080
View directory record Official record
Conditions
Wounds and Injuries, Respiratory Failure
Interventions
Closed Loop Control Ventilation, Manual Control Ventilation
Device
Lead sponsor
Zoll Medical Corporation
Industry
Eligibility
18 Years to 65 Years
Enrollment
210 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 15, 2024 · Synced Oct 1, 2026, 8:08 AM EDT
Completed Not applicable Interventional Results available

Electrical Impedance Tomography (EIT) Monitoring in Adults With ALI or ARDS

NCT01272882
View directory record Official record
Conditions
Acute Lung Injury (ALI), ARDS
Interventions
Electrical Impedance Tomography monitoring
Device
Lead sponsor
Christiana Care Health Services
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated May 25, 2017 · Synced Oct 1, 2026, 8:08 AM EDT
Active, not recruiting Early Phase 1 Interventional Accepts healthy volunteers

Methemoglobin Concentration in High Dose Inhaled Nitric Oxide

NCT05612074
View directory record Official record
Conditions
Healthy Subjects
Interventions
Inhaled Nitric Oxide
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 64 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 2, 2025 · Synced Oct 1, 2026, 8:08 AM EDT