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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Oxygen Utilization Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

Ergogenic Effects of Sportlegs

NCT06371521
View directory record Official record
Conditions
Performance Enhancing Product Use
Interventions
Sportlegs, Placebo
Dietary Supplement
Lead sponsor
Christopher Bell
Other
Eligibility
18 Years to 30 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 11, 2024 · Synced Sep 16, 2026, 10:04 AM EDT
Completed Not applicable Interventional Results available

Bidirectional Oxygenation Valve in the Management of Pulmonary Complications of COVID-19

NCT04331366
View directory record Official record
Conditions
COVID-19
Interventions
GO2 PEEP MOUTHPIECE
Device
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
2
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 17, 2021 · Synced Sep 16, 2026, 10:04 AM EDT
Terminated Not applicable Interventional

Use of EF5 to Measure the Oxygen Level in Tumor Cells of Patients Undergoing Surgery or Biopsy for Newly Diagnosed Supratentorial Malignant Glioma

NCT00430079
View directory record Official record
Conditions
Adult Anaplastic Astrocytoma, Adult Anaplastic Ependymoma, Adult Anaplastic Oligodendroglioma, Adult Diffuse Astrocytoma, Adult Ependymoma, Adult Giant Cell Glioblastoma, Adult Glioblastoma, Adult Gliosarcoma, Adult Mixed Glioma, Adult Myxopapillary Ependymoma, Adult Oligodendroglioma, Adult Pilocytic Astrocytoma, Adult Pineal Gland Astrocytoma, Adult Subependymoma
Interventions
etanidazole, conventional surgery, pharmacological study, laboratory biomarker analysis
Drug · Procedure · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2001
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 15, 2013 · Synced Sep 16, 2026, 10:04 AM EDT
Completed Not applicable Interventional Results available

Transnasal Humidified Rapid-Insufflation Ventilatory Exchange (THRIVE) Use in Pediatric Procedures

NCT03430206
View directory record Official record
Conditions
Oxygen Deficiency, Desaturation of Blood, Hypoventilation, Anesthesia; Adverse Effect
Interventions
High-flow nasal cannula
Device
Lead sponsor
Stanford University
Other
Eligibility
Up to 18 Years
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Aug 5, 2020 · Synced Sep 16, 2026, 10:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Mushroom Blend on Oxygen Kinetics

NCT02075892
View directory record Official record
Conditions
Oxygen Utilization, Oxygen Kinetics
Interventions
Mushroom Blend, Placebo
Dietary Supplement
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 35 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 3, 2014 · Synced Sep 16, 2026, 10:04 AM EDT
Completed No phase listed Observational

Use of Oxygen Hoods in Patients Failing on Conventional High-flow Oxygen Delivery Systems, Effects on Oxygenation in Hypoxic COVID-19 Patients. Prospective Cohort Study.

NCT04407260
View directory record Official record
Conditions
COVID -19, Respiratory Failure, Hypoxia
Interventions
Oxygen Hood
Device
Lead sponsor
Northwell Health
Other
Eligibility
Not listed
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Sleepy Hollow, New York
Source: ClinicalTrials.gov public record
Updated Dec 1, 2022 · Synced Sep 16, 2026, 10:04 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Using SnapshotNIR With Provocative Leg Maneuver for PAD Assessment

NCT06237621
View directory record Official record
Conditions
Peripheral Arterial Disease
Interventions
SnapshotNIR imaging
Device
Lead sponsor
Kent Imaging Inc
Industry
Eligibility
35 Years to 99 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Oct 9, 2024 · Synced Sep 16, 2026, 10:04 AM EDT
Completed Not applicable Interventional Results available

External Nasal Dilator and Oxygen Therapy in Respiratory Failure

NCT02662387
View directory record Official record
Conditions
Acute Respiratory Failure
Interventions
External nasal dilator (END), High flow nasal cannula (HFNC)
Device · Other
Lead sponsor
Loma Linda University
Other
Eligibility
1 Day to 18 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Aug 20, 2017 · Synced Sep 16, 2026, 10:04 AM EDT
Withdrawn Not applicable Interventional

Use of Hyperbaric Oxygen Therapy for the Treatment of Crush Injuries

NCT04049721
View directory record Official record
Conditions
Crush Injury
Interventions
HBO, Standard of Care
Procedure · Other
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 99 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 20, 2022 · Synced Sep 16, 2026, 10:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Interprofessional Group Intervention to Enhance Compassion Satisfaction and Resilience

NCT04888000
View directory record Official record
Conditions
Compassion Fatigue, Resilience
Interventions
Educational Intervention
Other
Lead sponsor
OSF Healthcare System
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Peoria, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 2, 2023 · Synced Sep 16, 2026, 10:04 AM EDT
Completed No phase listed Observational

Tissue Oxygen Use With Combined Arteriovenous Noninvasive Oximetry

NCT06072755
View directory record Official record
Conditions
Oxygen Consumption
Interventions
Finger pulse oximetry probe, Transreflectance oximetry probe
Device
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Aug 22, 2024 · Synced Sep 16, 2026, 10:04 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 26, 2025 · Synced Sep 16, 2026, 10:04 AM EDT
Completed Phase 1 Interventional

Hyperbaric Oxygen Treatment (HBOT) During Methadone Tapering

NCT05924022
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Hyperbaric Oxygen Treatment Full, Hyperbaric Oxygen Treatment Sham, Hyperbaric Oxygen Treatment Partial Pressure
Combination Product
Lead sponsor
Washington State University
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Spokane, Washington
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Sep 16, 2026, 10:04 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Normative Datasets for Assessments Planned for Mild Traumatic Brain Injury (NORMAL)

NCT01925963
View directory record Official record
Conditions
Focus: Healthy Adults Without Brain Injury
Interventions
Not listed
Lead sponsor
Lindell Weaver
Other
Eligibility
18 Years to 65 Years
Enrollment
83 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
2
States / cities
Colorado Springs, Colorado
Source: ClinicalTrials.gov public record
Updated Aug 26, 2018 · Synced Sep 16, 2026, 10:04 AM EDT
Completed Not applicable Interventional

Use of Blended Oxygen for Delivery Room Resuscitation of Very Low Birth Weight Infants

NCT00369720
View directory record Official record
Conditions
Prematurity, Oxidant Injury
Interventions
Titration of oxygen in delivery room
Procedure
Lead sponsor
Neil Finer
Other
Eligibility
23 Weeks to 32 Weeks
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Oct 3, 2019 · Synced Sep 16, 2026, 10:04 AM EDT
Withdrawn Early Phase 1 Interventional Accepts healthy volunteers

An Alternative Way To Deliver Oxygen To People

NCT04870801
View directory record Official record
Conditions
Hypoxia
Interventions
Respirogen Micro-Oxygen
Drug
Lead sponsor
Christopher Bell
Other
Eligibility
18 Years to 40 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 29, 2022 · Synced Sep 16, 2026, 10:04 AM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

A Multiphase Operational and Environmental Assessment of Lunar Surface Habitation, Lunar Gateway Transit Systems, and Acceleration Pathways for Sustained Human Habitation of the Martian Surface

NCT07546461
View directory record Official record
Conditions
Extraterrestrial Habitation Systems, Lunar Surface Habitation, Lunar Water-Ice Resource Assessment, In-Situ Resource Utilization (ISRU), Lunar Gateway Transit Architecture, Martian Surface Habitation Readiness, Environmental Control and Life-Support Systems (ECLSS), Radiation Exposure Modeling, EVA Logistics and Mobility, Long-Duration Isolation and Behavioral Stability
Interventions
Habitat Systems Evaluation, Water-Ice Resource Utilization Assessment, EVA and Mobility Operations
Other
Lead sponsor
Truway Health, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 29, 2026 · Synced Sep 16, 2026, 10:04 AM EDT
Completed Not applicable Interventional Results available

Does Endurance Improve With the Use of Passy-Muir Valve for Patients With Tracheostomy?

NCT04941456
View directory record Official record
Conditions
PMV, Exercise Endurance, Tracheostomy
Interventions
Open Tracheostomy, PMV in place
Other · Device
Lead sponsor
Gaylord Hospital, Inc
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Wallingford, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 10, 2025 · Synced Sep 16, 2026, 10:04 AM EDT
Completed Not applicable Interventional Results available

Effect of Thiamine on Oxygen Utilization (VO2) in Critical Illness

NCT01462279
View directory record Official record
Conditions
Acute Respiratory Failure
Interventions
Thiamine
Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 15, 2018 · Synced Sep 16, 2026, 10:04 AM EDT
Withdrawn Phase 3 Interventional

Study of PAH Subjects With LTOT Use That Have Demonstrated Improved Exercise Tolerance With the Use of Inhaled Nitric

NCT03602781
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Placebo, iNO
Drug
Lead sponsor
Bellerophon Pulse Technologies
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
2
States / cities
Chicago, Illinois • Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Feb 20, 2023 · Synced Sep 16, 2026, 10:04 AM 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 6, 2021 · Synced Sep 16, 2026, 10:04 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 16, 2026, 10:04 AM EDT
Withdrawn Not applicable Interventional

The Use of Hyperbaric Oxygen to Increase the Blood Supply in the Injured, But Still Alive Tissue, Around an Old Stroke

NCT01985100
View directory record Official record
Conditions
Ischemic Cerebrovascular Accident
Interventions
hyperbaric oxygen chamber
Other
Lead sponsor
John Davidson
Other
Eligibility
50 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Chesterfield, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 26, 2017 · Synced Sep 16, 2026, 10:04 AM EDT
Terminated Not applicable Interventional Results available

Pairing Intermittent Hypoxia and Transcutaneous Electrical Spinal Cord Stimulation to Promote Arm Use After Cervical SCI

NCT04854057
View directory record Official record
Conditions
Spinal Cord Injuries
Interventions
AIH - Intermittent Hypoxia - hypoxia air mixture, SHAM - Intermittent Room Air - room air mixture, TESS - Transcutaneous Electrical Spinal Cord Stimulation + Functional Task Practice
Other · Device
Lead sponsor
Spaulding Rehabilitation Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 9, 2024 · Synced Sep 16, 2026, 10:04 AM EDT