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Showing 1–24 of 32 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Oxygen - normoxia Clear all
Completed Not applicable Interventional

Strategy to Avoid Excessive Oxygen Using an Autonomous Oxygen Titration Intervention

NCT06374225
View directory record Official record
Conditions
Critical Illness, Wounds and Injury, Disease Attributes, Pathologic Processes
Interventions
Automated Titration (O2matic)
Device
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
4
States / cities
Aurora, Colorado • Winston-Salem, North Carolina • Portland, Oregon + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Sep 19, 2026, 6:40 AM 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 19, 2026, 6:40 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Predictors of Opioid-Induced Respiratory Depression (OIRD)

NCT02473354
View directory record Official record
Conditions
Respiratory Depression
Interventions
Remifentanil, Oxygen, Carbon dioxide
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years to 50 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 9, 2020 · Synced Sep 19, 2026, 6:40 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Oxygen Transport in Normobaric vs. Hypobaric Hypoxia

NCT03335917
View directory record Official record
Conditions
Hypoxia, Altitude, Exercise
Interventions
Hypoxia, Exercise
Other
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years to 45 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Sep 28, 2023 · Synced Sep 19, 2026, 6:40 AM EDT
Not yet recruiting Phase 1Phase 2 Interventional

Combining Low Oxygen Therapy and an Adenosine A2a Receptor Antagonist to Improve Functional Mobility After Spinal Cord Injury

NCT05217498
View directory record Official record
Conditions
Spinal Cord Injuries, Myelopathy
Interventions
Istradefylline, low oxygen therapy
Drug · Device
Lead sponsor
Randy Trumbower, PT, PhD
Other
Eligibility
18 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2028
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 19, 2026 · Synced Sep 19, 2026, 6:40 AM 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 26, 2026 · Synced Sep 19, 2026, 6:40 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of a Single Session of Intermittent Hypoxia on Hematological Variables

NCT05898685
View directory record Official record
Conditions
Intermittent Hypoxia
Interventions
Intermittent hypoxia, Intermittent normoxia
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years to 80 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jun 11, 2023 · Synced Sep 19, 2026, 6:40 AM EDT
Completed Not applicable Interventional Results available

Targeting Normoxia in Neonates With Cyanotic Congenital Heart Disease in the Intra-operative and Immediate Post-operative Period

NCT04452188
View directory record Official record
Conditions
Hypoplastic Left Heart Syndrome, Total Anomalous Pulmonary Venous Return, Truncus Arteriosus, Pulmonary Atresia With Ventricular Septal Defect, Transposition of the Great Arteries, Double Outlet Right Ventricle, Subpulmonary VSD, Tetralogy of Fallot, Double Outlet Right Ventricle With Subaortic Ventricular Septal Defect and Pulmonary Stenosis, Cardiopulmonary Bypass
Interventions
Normoxia (with controlled re-oxygenation), Standard of care ventilation
Other
Lead sponsor
University of Michigan
Other
Eligibility
Up to 29 Days
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 17, 2024 · Synced Sep 19, 2026, 6:40 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Metabolic Changes in the Activated Human Visual Cortex During Mild Hypoxia

NCT02482571
View directory record Official record
Conditions
Brain Hypoxia
Interventions
Mild Hypoxia
Device
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 40 Years · Male only
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 18, 2019 · Synced Sep 19, 2026, 6:40 AM EDT
Completed No phase listed Observational Results available

Pilot Study of Targeted Normoxia in Critically Ill Trauma Patients

NCT03789396
View directory record Official record
Conditions
Trauma, Critical Illness, Oxygen Toxicity
Interventions
Targeted Normoxia (oxygen saturation 90-96%), Usual Care Oxygenation
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 109 Years
Enrollment
572 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 14, 2024 · Synced Sep 19, 2026, 6:40 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study Effects of Intermittent Hypoxia on Restoring Hand Function Following SCI

NCT01272336
View directory record Official record
Conditions
Spinal Cord Injury
Interventions
Acute Intermittent Hypoxia (AIH), SHAM-Intermittent Room Air
Drug · Other
Lead sponsor
Emory University
Other
Eligibility
18 Years to 65 Years
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 25, 2016 · Synced Sep 19, 2026, 6:40 AM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Sex Disparities in Hypoxic Vasodilation and Impact of Obesity

NCT05219799
View directory record Official record
Conditions
Obesity, Vasodilation, Healthy
Interventions
Propranolol Hydrochloride, Isoproterenol, Phentolamine Mesylate, Norepinephrine
Drug
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years to 45 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 27, 2026 · Synced Sep 19, 2026, 6:40 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Intermittent Hypoxia on Ischemia-reperfusion Injury in Healthy Individuals

NCT05423470
View directory record Official record
Conditions
Intermittent Hypoxia
Interventions
Intermittent hypoxia, Intermittent normoxia
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years to 80 Years
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Dec 6, 2022 · Synced Sep 19, 2026, 6:40 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Effects of Caffeine and Intermittent Hypoxia on Leg Function in Human Spinal Cord Injury

NCT02323698
View directory record Official record
Conditions
Spinal Cord Injuries
Interventions
Caffeine, AIH, Placebo, SHAM
Drug · Other
Lead sponsor
Spaulding Rehabilitation Hospital
Other
Eligibility
18 Years to 75 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 12, 2023 · Synced Sep 19, 2026, 6:40 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Overnight Low Oxygen Exposure on Energy Balance

NCT04151927
View directory record Official record
Conditions
Resting Metabolic Rate, Appetite, Heart Rate Variability
Interventions
Normobaric Hypoxia, Normobaric Normoxia
Device
Lead sponsor
Florida State University
Other
Eligibility
20 Years to 45 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Nov 28, 2021 · Synced Sep 19, 2026, 6:40 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Low Oxygen Exposure and Weight Status

NCT05289310
View directory record Official record
Conditions
Obesity
Interventions
Normobaric hypoxia (NH), Normobaric normoxia (NN)
Other
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
22 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Sep 19, 2026, 6:40 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Risk of Oxygen During Cardiac Surgery Trial

NCT02361944
View directory record Official record
Conditions
Cardiac Surgery
Interventions
Oxygen - normoxia, Oxygen - hyperoxia
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older
Enrollment
213 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 31, 2024 · Synced Sep 19, 2026, 6:40 AM EDT
Active, not recruiting Phase 3 Interventional

Strategy to Avoid Excessive Oxygen in Major Burn Patients

NCT04534972
View directory record Official record
Conditions
Critical Illness, Wounds and Injury, Disease Attributes, Pathologic Processes
Interventions
Targeting Normoxemia (SpO2 90-96%; PaO2 60-100 mmHg)
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 120 Years
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
6
States / cities
Birmingham, Alabama • Aurora, Colorado • Cincinnati, Ohio + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 1, 2025 · Synced Sep 19, 2026, 6:40 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Sex Disparities in Hypoxic Sympatholysis and Impact of Obesity

NCT04436731
View directory record Official record
Conditions
Obesity, Healthy, Vasoconstriction, Vasodilation
Interventions
Cold Pressor Test
Other
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years to 45 Years
Enrollment
73 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 27, 2026 · Synced Sep 19, 2026, 6:40 AM EDT
Recruiting Not applicable Interventional

Mild Intermittent Hypoxia: A Prophylactic for Autonomic Dysfunction in Individuals With Spinal Cord Injuries

NCT05351827
View directory record Official record
Conditions
Spinal Cord Injuries, Autonomic Dysreflexia
Interventions
Mild Intermittent Hypoxia, Sham
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 60 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Sep 19, 2026, 6:40 AM EDT
Completed Not applicable Interventional

Intermittent Hypoxia Paired with High Intensity Training in Brain Injury

NCT04472442
View directory record Official record
Conditions
Brain Injuries
Interventions
Intermittent hypoxia, Sham hypoxia
Procedure
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 85 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Oct 16, 2024 · Synced Sep 19, 2026, 6:40 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 19, 2026, 6:40 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Daily Low Oxygen Exposure and Weight Status

NCT04801810
View directory record Official record
Conditions
Overweight and Obesity
Interventions
Normobaric hypoxia, Normobaric normoxia
Other
Lead sponsor
Florida State University
Other
Eligibility
20 Years to 50 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Mar 31, 2022 · Synced Sep 19, 2026, 6:40 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effect of an H1 Receptor Antagonist on Exercise Performance in Hypoxia

NCT03192488
View directory record Official record
Conditions
Hypoxia, Altitude
Interventions
Cetirizine, Placebo oral capsule, Hypoxia
Drug · Other
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 35 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Bloomington, Indiana
Source: ClinicalTrials.gov public record
Updated Jun 15, 2020 · Synced Sep 19, 2026, 6:40 AM EDT