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Showing 1–24 of 659 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Oxygen Clear all
Completed Early Phase 1 Interventional

ETCare: Safety and Preliminary Efficacy Trial

NCT01688440
View directory record Official record
Conditions
Respiratory Distress Syndrome, Newborn
Interventions
#1 Respiratory Care Solution
Other
Lead sponsor
Intermountain Health Care, Inc.
Other
Eligibility
Not listed
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005
U.S. locations
2
States / cities
Ogden, Utah • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Sep 18, 2012 · Synced Sep 3, 2026, 4:07 AM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers

Impact of NOS, COX, and ROS Inhibition on Cerebral Blood Flow Regulation

NCT03066115
View directory record Official record
Conditions
Hypoxia, Hypercapnia
Interventions
L-NMMA, Ketorolac, Ascorbic Acid, Intravenous Catheter, Transcranial Doppler Ultrasound
Drug · Procedure
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 45 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jan 9, 2019 · Synced Sep 3, 2026, 4:07 AM EDT
Completed Phase 1Phase 2 Interventional

Delivery Room CPAP in Extremely Low Birth Weight Infants

NCT01223274
View directory record Official record
Conditions
Infant, Newborn, Infant, Low Birth Weight, Infant, Small for Gestational Age, Infant, Premature, Bronchopulmonary Dysplasia, Continuous Positive Airway Pressure
Interventions
CPAP/PEEP, Standard management practices
Device
Lead sponsor
NICHD Neonatal Research Network
Network
Eligibility
Up to 10 Minutes
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2003
U.S. locations
6
States / cities
Birmingham, Alabama • San Diego, California • Miami, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Jun 30, 2026 · Synced Sep 3, 2026, 4:07 AM EDT
Completed Phase 2Phase 3 Interventional

Magnesium Chloride Versus Placebo in Patients Who Have Had a Stroke

NCT00933868
View directory record Official record
Conditions
Stroke
Interventions
Magnesium Chloride, Placebo
Drug
Lead sponsor
Relox Medical, LLC
Industry
Eligibility
18 Years to 90 Years
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
3
States / cities
Grand Rapids, Michigan • Suffern, New York • Toledo, Ohio
Source: ClinicalTrials.gov public record
Updated May 24, 2012 · Synced Sep 3, 2026, 4:07 AM 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 24, 2023 · Synced Sep 3, 2026, 4:07 AM EDT
Completed Not applicable Interventional

Changing the Paradigm of In-Hospital Cardiopulmonary Resuscitation

NCT01558817
View directory record Official record
Conditions
Oxygen Dependent COPD, Advanced Malignancy
Interventions
Informed Assent, Informational Brochure
Behavioral
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
3
States / cities
Charleston, South Carolina • Burlington, Vermont • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 13, 2025 · Synced Sep 3, 2026, 4:07 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Optimizing Liver MRI Using Breath-Holding With and Without Oxygen

NCT07135401
View directory record Official record
Conditions
MRI, MRI Image Enhancement
Interventions
Breath-hold conditions
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 75 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced Sep 3, 2026, 4:07 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Type 2 Diabetes and Exercise Function in Single Leg Exercises

NCT01793909
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Single Leg Exercise Training
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
30 Years to 70 Years
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2018
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 11, 2023 · Synced Sep 3, 2026, 4:07 AM EDT
Not listed No phase listed Observational

AMBULATORY OXIMETRY MONITORING (AOM): a New Approach to Quantify Oxygen Desaturation in Ambulatory COPD Patients

NCT01873092
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
Not listed
Lead sponsor
VA New York Harbor Healthcare System
Federal
Eligibility
45 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2016
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Jun 6, 2013 · Synced Sep 3, 2026, 4:07 AM EDT
Terminated Phase 2 Interventional Results available

Voxelotor for Improving Oxygen Saturation in Adults

NCT05289570
View directory record Official record
Conditions
Acute Lung Injury, End Stage Lung Disease
Interventions
Voxelotor
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 23, 2024 · Synced Sep 3, 2026, 4:07 AM EDT
Terminated Phase 3 Interventional Results available

Clinical Study of Pulsed, Inhaled Nitric Oxide Versus Placebo in Symptomatic Subjects With PAH

NCT02725372
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Inhaled Nitric Oxide 75 mcg/kg IBW/hr, Placebo
Drug
Lead sponsor
Bellerophon Pulse Technologies
Industry
Eligibility
18 Years to 85 Years
Enrollment
207 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
37
States / cities
Phoenix, Arizona • Tucson, Arizona • Beverly Hills, California + 33 more
Source: ClinicalTrials.gov public record
Updated Feb 20, 2023 · Synced Sep 3, 2026, 4:07 AM EDT
Completed Phase 2 Interventional

Hyperbaric Oxygen Effects on Persistent Post-concussive Symptoms

NCT05173818
View directory record Official record
Conditions
Persistent Post-concussive Syndrome, Concussion Post Syndrome
Interventions
Hyperbaric oxygen at 1.5 ATA, Sham treatment
Drug
Lead sponsor
Essentia Health
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Fargo, North Dakota
Source: ClinicalTrials.gov public record
Updated Dec 23, 2025 · Synced Sep 3, 2026, 4:07 AM EDT
Completed Phase 3 Interventional Results available

Surfactant Positive Airway Pressure and Pulse Oximetry Trial

NCT00233324
View directory record Official record
Conditions
Infant, Newborn, Diseases, Other Preterm Infants, Infant, Small for Gestational Age, Premature Birth, Bronchopulmonary Dysplasia, Retinopathy of Prematurity
Interventions
Surfactant, Continuous Positive Airway Pressure (CPAP), Supplemental oxygen with target saturation of 85 to 89%, Supplemental oxygen with target saturation of 91 to 95%
Drug · Device
Lead sponsor
NICHD Neonatal Research Network
Network
Eligibility
24 Weeks to 27 Weeks
Enrollment
1,316 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2016
U.S. locations
22
States / cities
Birmingham, Alabama • Palo Alto, California • San Diego, California + 18 more
Source: ClinicalTrials.gov public record
Updated Apr 17, 2019 · Synced Sep 3, 2026, 4:07 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 23, 2017 · Synced Sep 3, 2026, 4:07 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluation of Regional Ventilation Using 19F MRI of Inert Perfluorinated Gases Mixed With Oxygen

NCT01710449
View directory record Official record
Conditions
COPD, Asthma, Cystic Fibrosis, Emphysema, Small Airways Diseases
Interventions
perfluorinated gas/oxygen mixture
Drug
Lead sponsor
Hal C Charles
Other
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 8, 2013 · Synced Sep 3, 2026, 4:07 AM EDT
Not listed Not applicable Interventional

PREMOD2 With Near Infrared Spectroscopy Sub-study

NCT03145142
View directory record Official record
Conditions
Hypoxia, Brain, Premature Birth
Interventions
Umbilical cord milking, Delayed Cord Clamping
Procedure
Lead sponsor
Sharp HealthCare
Other
Eligibility
23 Weeks to 28 Weeks
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Dec 12, 2021 · Synced Sep 3, 2026, 4:07 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 17, 2010 · Synced Sep 3, 2026, 4:07 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Exercise Training for Patients With Poor Leg Circulation

NCT00118560
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, Intermittent Claudication
Interventions
Physical exercise, Physical walking
Behavioral
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
West Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 16, 2011 · Synced Sep 3, 2026, 4:07 AM EDT
Completed No phase listed Observational

Study to Compare Verbal Scores of Children Diagnosed With ASD Who Received Hyperbaric Treatment To Those Who Did Not

NCT06043284
View directory record Official record
Conditions
Autism Spectrum Disorder
Interventions
Hyperbaric Oxygen Therapy
Device
Lead sponsor
Oxford Recovery Center
Other
Eligibility
2 Years to 17 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
2
States / cities
Brighton, Michigan • Troy, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 20, 2023 · Synced Sep 3, 2026, 4:07 AM EDT
Terminated Not applicable Interventional

Hyperbaric Oxygen for COVID-19 Patients With Moderate to Severe Hypoxemia

NCT04619719
View directory record Official record
Conditions
Covid19
Interventions
Hyperbaric Oxygen Therapy (HBOT)
Device
Lead sponsor
Legacy Health System
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
3
States / cities
Bozeman, Montana • Mineola, New York • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 8, 2023 · Synced Sep 3, 2026, 4:07 AM EDT
Completed Not applicable Interventional Results available

Nasopharyngeal Versus Nasal Cannula Oxygen Supplementation in Surgery Patients

NCT02219464
View directory record Official record
Conditions
Oxygen Administration During Deep Sedation
Interventions
Nasopharyngeal catheter, Nasal Cannula, Oxygen Supplementation, Sedation
Device · Procedure
Lead sponsor
Vanderbilt University
Other
Eligibility
16 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 31, 2017 · Synced Sep 3, 2026, 4:07 AM EDT
Completed Not applicable Interventional Results available

The Videolaryngoscopy in Small Infants

NCT03396432
View directory record Official record
Conditions
Surgery, Anesthesia, Endotracheal
Interventions
Video Laryngoscopy for ET placement, Direct Laryngoscopy for ET Placement
Device
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
Up to 12 Months
Enrollment
566 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
4
States / cities
Boston, Massachusetts • Philadelphia, Pennsylvania • Dallas, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 24, 2021 · Synced Sep 3, 2026, 4:07 AM 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 19, 2021 · Synced Sep 3, 2026, 4:07 AM EDT
Withdrawn Phase 2 Interventional

Transdermal Continuous Oxygen Therapy for Infection Prophylaxis in High- Risk Patients Undergoing Colon Surgery

NCT02617706
View directory record Official record
Conditions
Anorectal Surgeries
Interventions
Epiflo
Device
Lead sponsor
Neogenix, LLC dba Ogenix
Industry
Eligibility
18 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 13, 2017 · Synced Sep 3, 2026, 4:07 AM EDT