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Showing 1–24 of 182 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: 100% oxygen Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

In Vivo Pulse Oximeter Validation Study

NCT05873335
View directory record Official record
Conditions
Hypoxia
Interventions
Mixtures of nitrogen, air, and carbon dioxide
Combination Product
Lead sponsor
Gabi SmartCare
Industry
Eligibility
21 Years to 50 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Dec 11, 2024 · Synced Sep 7, 2026, 7:56 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Sevoflurane vs Nitrous Oxide Inhalation at Subanesthetic Concentrations - 11

NCT00000259
View directory record Official record
Conditions
Opioid-Related Disorders, Substance-Related Disorders
Interventions
15 % Nitrous oxide, 0.3 % Sevoflurane, 30% Nitrous oxide, 0.6% Sevoflurane, Placebo
Drug · Other
Lead sponsor
University of Chicago
Other
Eligibility
21 Years to 39 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1996 – 1997
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 27, 2015 · Synced Sep 7, 2026, 7:56 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 12, 2025 · Synced Sep 7, 2026, 7:56 AM EDT
Completed Phase 4 Interventional Results available

Pseudoephedrine Prophylaxis for Prevention of Middle Ear Barotrauma in Hyperbaric Oxygen Therapy

NCT04332211
View directory record Official record
Conditions
Barotrauma;Ear
Interventions
Hyperbaric Oxygen Therapy, Pseudoephedrine 60 MG, Placebo oral tablet
Procedure · Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 7, 2025 · Synced Sep 7, 2026, 7:56 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 6, 2016 · Synced Sep 7, 2026, 7:56 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Effects of Treatments on Atopic Dermatitis

NCT01631617
View directory record Official record
Conditions
Eczema, Dermatitis, Skin Diseases, Genetic, Dermatitis, Atopic, Skin Diseases
Interventions
Trimethoprim/sulfamethoxazole (TMP/SMZ), Cephalexin, Doxycycline, Sodium hypochlorite, Placebo capsules, Placebo Sodium hypochlorite
Drug · Other
Lead sponsor
National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
NIH
Eligibility
2 Years to 50 Years
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2027
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Sep 7, 2026, 7:56 AM EDT
Terminated Not applicable Interventional

Hyperbaric Oxygen for Wagner II Diabetic Lower Extremity Ulcers

NCT01954901
View directory record Official record
Conditions
Wagner Grade 2 Lower Extremity Ulcers
Interventions
Hyperbaric oxygen therapy, Hyperbaric room air
Device
Lead sponsor
David Grant U.S. Air Force Medical Center
Federal
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Travis Air Force Base, California
Source: ClinicalTrials.gov public record
Updated Apr 16, 2020 · Synced Sep 7, 2026, 7:56 AM EDT
Completed Phase 1 Interventional Results available

Reoxygenation After Cardiac Arrest II (REOX II Study)

NCT02698826
View directory record Official record
Conditions
Cardiac Arrest
Interventions
Protocol for rapid FiO2 optimization
Other
Lead sponsor
The Cooper Health System
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
5
States / cities
Indianapolis, Indiana • Boston, Massachusetts • Jackson, Mississippi + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 28, 2022 · Synced Sep 7, 2026, 7:56 AM EDT
Active, not recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

Treatment of Orthostatic Intolerance

NCT00262470
View directory record Official record
Conditions
Tachycardia, Chronic Orthostatic Intolerance
Interventions
Acetazolamide, Atomoxetine, NO Drug, Clonidine, Entacapone, Entacapone & Propranolol, Atomoxetine & Propranolol, Indomethacin, Mecamylamine, Isosorbide Dinitrate, Melatonin, Midodrine, Modafinil, Octreotide, Placebo, Propranolol, Modafinil & Propranolol, Sertraline, IV Saline, Drinking Water, Breathing Device, memantine, Abdominal binder
Drug · Other · Dietary Supplement + 3 more
Lead sponsor
Satish R. Raj
Other
Eligibility
18 Years to 70 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1997 – 2029
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 7, 2025 · Synced Sep 7, 2026, 7:56 AM EDT
Completed Phase 2 Interventional Results available

Effects of Hyperbaric Oxygen (HBO) on Blood Count Recovery After Autologous Hematopoietic Stem Cell (HSPC) Transplant for Multiple Myeloma

NCT03398200
View directory record Official record
Conditions
Myeloma
Interventions
Hyperbaric Oxygen Therapy, No Hyperbaric Oxygen Therapy
Biological · Other
Lead sponsor
Omar Aljitawi
Other
Eligibility
18 Years to 75 Years
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
3
States / cities
Fairway, Kansas • Lexington, Kentucky • Rochester, New York
Source: ClinicalTrials.gov public record
Updated Feb 6, 2025 · Synced Sep 7, 2026, 7:56 AM EDT
Withdrawn Phase 2Phase 3 Interventional Accepts healthy volunteers

Nitrous Oxide for Pain Management During IUD Insertion in Nulliparous Adolescent Women

NCT04089852
View directory record Official record
Conditions
Contraceptive Devices, Long-Acting Reversible Contraception, Analgesia, Adolescent Health, Gynecology
Interventions
Nitrous oxide gas for inhalation, Oxygen Gas for Inhalation
Drug
Lead sponsor
Boston Children's Hospital
Other
Eligibility
14 Years to 24 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 15, 2022 · Synced Sep 7, 2026, 7:56 AM EDT
Terminated Phase 3 Interventional

Inhaled Nitric Oxide Study for Respiratory Failure in Newborns

NCT00005776
View directory record Official record
Conditions
Infant, Newborn, Hypertension, Pulmonary, Persistent Fetal Circulation Syndrome, Pneumonia, Aspiration, Respiratory Distress Syndrome, Newborn, Respiratory Insufficiency
Interventions
Inhaled nitric oxide, Placebo
Drug
Lead sponsor
NICHD Neonatal Research Network
Network
Eligibility
Up to 14 Days
Enrollment
235 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1995 – 1998
U.S. locations
11
States / cities
Palo Alto, California • New Haven, Connecticut • Washington D.C., District of Columbia + 8 more
Source: ClinicalTrials.gov public record
Updated Sep 25, 2017 · Synced Sep 7, 2026, 7:56 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Effects of Hyperbaric Oxygen Therapy on Surgical Wound Healing

NCT01605110
View directory record Official record
Conditions
Edema, Ecchymosis
Interventions
Hyperbaric oxygen treatment, Air sham
Drug
Lead sponsor
Restorix Research Institute, LLLP
Other
Eligibility
40 Years to 85 Years
Enrollment
164 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Issaquah, Washington
Source: ClinicalTrials.gov public record
Updated Dec 4, 2012 · Synced Sep 7, 2026, 7:56 AM EDT
Terminated Phase 2 Interventional

Efficacy and Safety of Inhaled Nitric Oxide (NO) in Cystic Fibrosis (CF) Patients

NCT02498535
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Nitric Oxide 160 ppm
Drug
Lead sponsor
Novoteris, LLC
Industry
Eligibility
18 Years and older
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
6
States / cities
Garden Grove, California • Los Angeles, California • Columbus, Ohio + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 4, 2021 · Synced Sep 7, 2026, 7:56 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Nitrous Oxide Versus Intravenous Sedation for Anesthesia

NCT02755090
View directory record Official record
Conditions
Pregnancy Termination in Second Trimester
Interventions
Nitrous Oxide, IV Saline
Drug
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years and older · Female only
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
2
States / cities
Denver, Colorado • Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Sep 14, 2017 · Synced Sep 7, 2026, 7:56 AM EDT
Withdrawn Not applicable Interventional

Intra-operative Fraction of Inspired Oxygen and Lung Injury in Coronary Artery Bypass Grafting Surgery

NCT04115501
View directory record Official record
Conditions
Lung Injury, Pulmonary Complication
Interventions
Fraction of Inspired Oxygen
Other
Lead sponsor
University of Louisville
Other
Eligibility
18 Years to 75 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Feb 14, 2024 · Synced Sep 7, 2026, 7:56 AM EDT
Terminated Phase 2 Interventional Results available

Heliox-Powered Albuterol Therapy in the Treatment of Children Admitted With Acute Asthma Exacerbation

NCT00410150
View directory record Official record
Conditions
Status Asthmaticus
Interventions
Helium-oxygen-driven albuterol nebulizer, Oxygen
Drug
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
24 Months to 18 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 7, 2010 · Synced Sep 7, 2026, 7:56 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Nitrous Oxide for Pain Management of Intrauterine Device (IUD) Insertion

NCT02391714
View directory record Official record
Conditions
Contraception
Interventions
IUD insertion, Povidone-Iodine, Chlorhexidine, Oxygen, Nitrous oxide
Procedure · Drug · Other
Lead sponsor
University of New Mexico
Other
Eligibility
12 Years and older · Female only
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Feb 2, 2016 · Synced Sep 7, 2026, 7:56 AM EDT
Not listed Phase 3 Interventional

Hyperbaric Oxygen Treatment to Treat Mild Traumatic Brain Injury (mTBI)/Persistent Post-Concussion Syndrome (PPCS)

NCT02089594
View directory record Official record
Conditions
Post-Concussion Syndrome, Traumatic Brain Injury
Interventions
Hyperbaric Oxygen, No Hyperbaric Oxygen
Drug
Lead sponsor
Louisiana State University Health Sciences Center in New Orleans
Other
Eligibility
18 Years to 65 Years
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Apr 17, 2017 · Synced Sep 7, 2026, 7:56 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Patient-Controlled Anxiolysis With Dexmedetomidine (PCA-DEX) for Burn-care Dressing Changes

NCT02409810
View directory record Official record
Conditions
Anxiety, Burns
Interventions
Dexmedetomidine
Drug
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 89 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 13, 2023 · Synced Sep 7, 2026, 7:56 AM EDT
Not listed Not applicable Interventional

Intraoperative Oxygen Concentration and Neurocognition After Cardiac Surgery

NCT02591589
View directory record Official record
Conditions
Hyperoxia, Normoxic, Delirium
Interventions
Normoxic oxygenation, Hyperoxic oxygenation
Other
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
65 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 22, 2020 · Synced Sep 7, 2026, 7:56 AM EDT
Completed Not applicable Interventional

Use of Hyperbaric Oxygen Therapy to Treat COVID-19 Patients With Respiratory Distress

NCT04800120
View directory record Official record
Conditions
Covid19
Interventions
Hyperbaric Oxygen Therapy
Other
Lead sponsor
Steward St. Elizabeth's Medical Center of Boston, Inc.
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Taunton, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 1, 2023 · Synced Sep 7, 2026, 7:56 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Airway Management of Pediatric Patients With Klippel-Feil Syndrome

NCT03741790
View directory record Official record
Conditions
Klippel-Feil Syndrome
Interventions
Ventilation, Intubation
Procedure
Lead sponsor
Boston Children's Hospital
Other
Eligibility
Not listed
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced Sep 7, 2026, 7:56 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Metabolic Effects of Perimenopause

NCT06098183
View directory record Official record
Conditions
Perimenopausal Disorder
Interventions
Whey Protein Isolate, Non-caloric Placebo water
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
38 Years to 60 Years · Female only
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 10, 2025 · Synced Sep 7, 2026, 7:56 AM EDT