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Showing 1–24 of 1,756 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Oxygen Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Saliva Insulin as Biomarker of Risk Factors for Metabolic Dysregulation and Caries

NCT05211843
View directory record Official record
Conditions
Caries, Metabolomic Profile
Interventions
Drinking water, Apple juice
Other
Lead sponsor
Jodi Stookey
Government
Eligibility
5 Years to 10 Years
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Feb 24, 2026 · Synced Sep 1, 2026, 11:19 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Targeting Breathing Limitations to Improve Functional Outcomes in HFpEF

NCT05723679
View directory record Official record
Conditions
Heart Failure With Preserved Ejection Fraction, Obesity
Interventions
HeO2 gas mixture, Room air gas mixture
Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
55 Years to 90 Years
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2029
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Sep 1, 2026, 11:19 PM EDT
Completed Not applicable Interventional Results available

Supplemental Oxygen in Colorectal Surgery: A Quality Improvement Project

NCT01777568
View directory record Official record
Conditions
30% Oxygen Concentration During Colorectal Surgery, 80% Oxygen Concentration During Colorectal Surgery
Interventions
30% oxygen, 80% oxygen
Drug
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 80 Years
Enrollment
5,749 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 4, 2019 · Synced Sep 1, 2026, 11:19 PM EDT
Completed Not applicable Interventional

EPVent 2- A Phase II Study of Mechanical Ventilation Directed by Transpulmonary Pressures

NCT01681225
View directory record Official record
Conditions
Acute Respiratory Distress Syndrome
Interventions
Esophageal-pressure guided mechanical ventilation, High PEEP mechanical ventilation
Other
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
16 Years and older
Enrollment
202 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
10
States / cities
La Jolla, California • Stanford, California • Orlando, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Dec 2, 2019 · Synced Sep 1, 2026, 11:19 PM EDT
Completed Not applicable Interventional

Evaluation Of A Virtual Cardiology Program To Improve Outcomes After Acute Decompensated Heart Failure

NCT06592508
View directory record Official record
Conditions
Heart Failure; With Decompensation
Interventions
Remote Virtual Cardiology Program
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
5
States / cities
Panama City, Florida • Gainesville, Georgia • Raleigh, North Carolina + 2 more
Source: ClinicalTrials.gov public record
Updated May 28, 2026 · Synced Sep 1, 2026, 11:19 PM EDT
Active, not recruiting Phase 3 Interventional Results available

Tretinoin and Arsenic Trioxide in Treating Patients With Untreated Acute Promyelocytic Leukemia

NCT02339740
View directory record Official record
Conditions
Acute Promyelocytic Leukemia With t(15;17)(q24.1;q21.2); PML-RARA
Interventions
Arsenic Trioxide, Cytarabine, Dexamethasone, Idarubicin, Laboratory Biomarker Analysis, Mitoxantrone Hydrochloride, Quality-of-Life Assessment, Questionnaire Administration, Tretinoin
Drug · Other
Lead sponsor
Children's Oncology Group
Network
Eligibility
12 Months to 21 Years
Enrollment
158 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2029
U.S. locations
152
States / cities
Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 121 more
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced Sep 1, 2026, 11:19 PM EDT
Completed Not applicable Interventional

FLO2 for Recovery After SCI

NCT03833674
View directory record Official record
Conditions
Spinal Cord Injury (SCI)
Interventions
Daily AIH Block, Sham dAIH Block, Respiratory Strength Training Block, AIH + Strength Training Block
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 70 Years
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated May 28, 2024 · Synced Sep 1, 2026, 11:19 PM EDT
Not yet recruiting Phase 4 Interventional

A Randomized, Placebo-controlled Trial of Nitrous Oxide During In-office Bladder Botox Injections

NCT07387315
View directory record Official record
Conditions
Overactive Bladder, Neurogenic Bladder, Urge Incontinence, Pain, Urinary Incontinence, Urinary Bladder, Overactive, Urinary Bladder, Neurogenic, Urinary Bladder Neurogenesis, Urinary Incontinence, Urge, Pelvic Floor Disorders
Interventions
Pro-Nox Nitrous Oxide/Oxygen Delivery System, Standard Care for Bladder Botox Injection, Sham Mask
Drug · Other
Lead sponsor
TriHealth Inc.
Other
Eligibility
18 Years and older · Female only
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
2
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 3, 2026 · Synced Sep 1, 2026, 11:19 PM EDT
Active, not recruiting Early Phase 1 Interventional

Haploidentical Transplant for People With Chronic Granulomatous Disease (CGD) Using Alemtuzumab, Busulfan and TBI With Post-Transplant Cyclophosphamide

NCT03910452
View directory record Official record
Conditions
Chronic Granulomatous Disease
Interventions
Busulfan, Alemtuzumab, Cyclophosphamide, Sirolimus, Total Body Irradiation, Allogeneic peripheral blood stem cell
Drug · Radiation · Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
4 Years to 65 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2034
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Sep 1, 2026, 11:19 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Safety and Efficacy of Trans Sodium Crocetinate (TSC) in Enhancing Tissue Oxygen Levels in Healthy Volunteers

NCT04808622
View directory record Official record
Conditions
Healthy Subjects
Interventions
Trans-Sodium Crocetinate, Placebo
Drug
Lead sponsor
Diffusion Pharmaceuticals Inc
Industry
Eligibility
18 Years to 50 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Jul 10, 2023 · Synced Sep 1, 2026, 11:19 PM EDT
Completed Not applicable Interventional Results available

Hyperbaric Oxygen Therapy in Sickle Cell Pain

NCT03412045
View directory record Official record
Conditions
Vaso-occlusive Crisis, Sickle Cell Anemia Crisis
Interventions
hyperbaric oxygen therapy
Device
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Jul 27, 2026 · Synced Sep 1, 2026, 11:19 PM EDT
Completed No phase listed Observational

CTTI Risk Factors for HABP/VABP Study

NCT02689531
View directory record Official record
Conditions
Pneumonia, Ventilator-Associated, Pneumonia, Bacterial, Pneumonia, Hospital-Acquired
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
Not listed
Enrollment
7,530 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
15
States / cities
Birmingham, Alabama • Los Angeles, California • Chicago, Illinois + 12 more
Source: ClinicalTrials.gov public record
Updated Jun 14, 2023 · Synced Sep 1, 2026, 11:19 PM EDT
Completed Phase 2 Interventional Results available

Improving Ventilatory Capacity in Those With Chronic High Level SCI

NCT05041322
View directory record Official record
Conditions
Spinal Cord Injuries
Interventions
Buspirone, Placebo
Drug
Lead sponsor
Spaulding Rehabilitation Hospital
Other
Eligibility
18 Years to 50 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 17, 2025 · Synced Sep 1, 2026, 11:19 PM EDT
Completed No phase listed Observational Results available

Oxygen Saturation Monitoring During Surgery

NCT01098851
View directory record Official record
Conditions
Sleep Apnea, Obstructive
Interventions
Not listed
Lead sponsor
Medtronic - MITG
Industry
Eligibility
21 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
Louisville, Colorado
Source: ClinicalTrials.gov public record
Updated Aug 6, 2014 · Synced Sep 1, 2026, 11:19 PM EDT
Terminated Not applicable Interventional Results available

Supplemental Postoperative Oxygen and Wound Infection in Morbidly Obese Patients

NCT00315822
View directory record Official record
Conditions
Surgical Wound Infection
Interventions
80% oxygen, 30% oxygen
Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 80 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
2
States / cities
Louisville, Kentucky • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 5, 2017 · Synced Sep 1, 2026, 11:19 PM 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 Jan 31, 2023 · Synced Sep 1, 2026, 11:19 PM EDT
Completed Phase 1 Interventional

Arsenic Trioxide and Ascorbic Acid Combined With Bortezomib, Thalidomide, and Dexamethasone in Treating Patients With Relapsed or Refractory Multiple Myeloma or Plasma Cell Leukemia

NCT00258245
View directory record Official record
Conditions
Multiple Myeloma and Plasma Cell Neoplasm
Interventions
ascorbic acid, arsenic trioxide, bortezomib, dexamethasone, thalidomide, Aspirin
Dietary Supplement · Drug
Lead sponsor
Barbara Ann Karmanos Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 28, 2013 · Synced Sep 1, 2026, 11:19 PM EDT
Terminated Phase 2 Interventional Results available

Nitric Oxide Gas Inhalation Therapy for Mild/Moderate COVID-19

NCT04305457
View directory record Official record
Conditions
Coronavirus Infections, Pneumonia, Viral, Acute Respiratory Distress Syndrome
Interventions
Nitric Oxide
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
2
States / cities
Shreveport, Louisiana • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 22, 2026 · Synced Sep 1, 2026, 11:19 PM EDT
Completed Not applicable Interventional Results available

Effect of Nitrous Oxide in Treating Neuropathic Pain: A Study in Chronic Low Back Pain Patients

NCT01172600
View directory record Official record
Conditions
Low Back Pain, Radiating Pain
Interventions
Entonox, Oxygen
Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 80 Years
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 16, 2016 · Synced Sep 1, 2026, 11:19 PM EDT
Recruiting Not applicable Interventional

Physiological Effects of Continuous Negative External Pressure for Acute Hypoxemic Respiratory Failure

NCT05675345
View directory record Official record
Conditions
Acute Hypoxemic Respiratory Failure
Interventions
HFNC only, HFNC + CNEP10, HFNC + CNEP20, HFNC + CNEP30
Device
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 3, 2024 · Synced Sep 1, 2026, 11:19 PM EDT
Recruiting Not applicable Interventional

Normobaric Oxygen Therapy for Individuals With First-Episode Psychosis

NCT04368039
View directory record Official record
Conditions
Psychosis, Schizophrenia, First-episode Psychosis
Interventions
Normobaric Oxygen, Placebo
Device
Lead sponsor
Nicholas Breitborde
Other
Eligibility
15 Years to 35 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 24, 2026 · Synced Sep 1, 2026, 11:19 PM EDT
Active, not recruiting Not applicable Interventional

Assessing Upper Extremity Function in Chronic Stroke Survivors Through Acute Intermittent Hypoxia

NCT07113457
View directory record Official record
Conditions
Stroke
Interventions
Acute Intermittent Hypoxia (AIH)
Other
Lead sponsor
Shirley Ryan AbilityLab
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 19, 2026 · Synced Sep 1, 2026, 11:19 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Evaluation of Aerosol in a Dental Clinic

NCT04659928
View directory record Official record
Conditions
Covid19
Interventions
High volume evacuation (HVE), Extraoral vacuum aspirator (EVA), Hydrogen Peroxide, Placebo
Device · Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 7, 2025 · Synced Sep 1, 2026, 11:19 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Nuun Instant on Hydration Status in Active Men and Women

NCT04764565
View directory record Official record
Conditions
Hydration
Interventions
Nuun Instant, Water, Nuun Electrolyte
Dietary Supplement · Other
Lead sponsor
University of Memphis
Other
Eligibility
18 Years to 45 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 27, 2021 · Synced Sep 1, 2026, 11:19 PM EDT