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ClinicalTrials.gov public records Last synced Sep 18, 2026, 10:36 AM EDT

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Showing 1–24 of 56 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Room air (SHAM) Clear all
Completed Not applicable Interventional

Acute Intermittent Hypoxia to Improve Airway Protection in Chronic Traumatic Brain Injury

NCT06520358
View directory record Official record
Conditions
Traumatic Brain Injury
Interventions
Acute Intermittent Hypoxia (AIH), Task specific Airway Protection Training, Sham AIH
Other · Behavioral
Lead sponsor
University of Florida
Other
Eligibility
21 Years to 80 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 8, 2026 · Synced Sep 18, 2026, 10:36 AM EDT
Completed Not applicable Interventional

Clinical Trial of Air Cleaners to Improve Indoor Air Quality and COPD Health

NCT02236858
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease (COPD)
Interventions
HEPA Air Cleaner, Sham HEPA Air Cleaner
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
40 Years and older
Enrollment
142 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 13, 2021 · Synced Sep 18, 2026, 10:36 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 18, 2026, 10:36 AM 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 18, 2026, 10:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Intermittent Hypoxia and Inspiratory Threshold Loading to Enhance Inspiratory Muscle Function

NCT03029559
View directory record Official record
Conditions
Intermittent Hypoxia
Interventions
Intermittent Hypoxia, Inspiratory Threshold Loading, Sham Intermittent Hypoxia
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 40 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 19, 2019 · Synced Sep 18, 2026, 10:36 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 18, 2026, 10:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Improving Human Cerebrovascular Function Using Acute Intermittent Hypoxia

NCT05164705
View directory record Official record
Conditions
Healthy Brain Perfusion
Interventions
Acute Intermittent Hypoxia, Sham Acute Intermittent Hypoxia
Other
Lead sponsor
Northwestern University
Other
Eligibility
21 Years to 50 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 19, 2026 · Synced Sep 18, 2026, 10:36 AM EDT
Recruiting Not applicable Interventional

Intermittent Hypoxia in Persons With Multiple Sclerosis

NCT06276634
View directory record Official record
Conditions
Multiple Sclerosis, Multiple Sclerosis-Relapsing-Remitting, Multiple Sclerosis, Secondary Progressive
Interventions
Acute Intermittent Hypoxia, Sham-Acute Intermittent Hypoxia
Other
Lead sponsor
Shirley Ryan AbilityLab
Other
Eligibility
18 Years to 75 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 19, 2026 · Synced Sep 18, 2026, 10:36 AM EDT
Recruiting Not applicable Interventional

Asthma Intervention With Residential Ventilation and Air Cleaner (AIRVAC) Study

NCT07196436
View directory record Official record
Conditions
Asthma Control, Pulmonary Function, Quality of Life, Stress, Sleep Quality
Interventions
Energy Recovery Ventilator, Portable Air Cleaner, Energy Recovery Ventilator (Sham), Portable Air Cleaner (Sham)
Device
Lead sponsor
The University of Texas at Arlington
Other
Eligibility
5 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
2
States / cities
Arlington, Texas • Plano, Texas
Source: ClinicalTrials.gov public record
Updated Oct 28, 2025 · Synced Sep 18, 2026, 10:36 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 18, 2026, 10:36 AM EDT
Not listed Phase 2 Interventional

Computerized Chemosensory-Based Orbitofrontal Cortex (CBOT) for Opioid Use Disorder

NCT04850664
View directory record Official record
Conditions
Opioid Use Disorder, Moderate, Opioid Use Disorder, Severe, Withdrawal Symptoms, Craving, Negative Affectivity
Interventions
CBOT + TAU, Sham + TAU
Drug
Lead sponsor
Evon Medics LLC
Industry
Eligibility
18 Years to 70 Years
Enrollment
190 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
4
States / cities
Washington D.C., District of Columbia • Rockville, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 5, 2021 · Synced Sep 18, 2026, 10:36 AM EDT
Terminated Phase 2Phase 3 Interventional

Hyperbaric Oxygen for Ulcerative Colitis

NCT02144350
View directory record Official record
Conditions
Ulcerative Colitis
Interventions
Hyperbaric oxygen, Sham Hyperbaric Air
Procedure
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
3
States / cities
Rochester, Minnesota • Lebanon, New Hampshire • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 5, 2018 · Synced Sep 18, 2026, 10:36 AM EDT
Completed Not applicable Interventional

Mi-Helper Transnasal Cooling for Acute Treatment of Migraine

NCT06051604
View directory record Official record
Conditions
Episodic Migraine, Migraine With Aura, Migraine Without Aura, Migraine
Interventions
Mi-Helper
Device
Lead sponsor
CoolTech LLC
Industry
Eligibility
18 Years to 65 Years
Enrollment
172 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 25, 2024 · Synced Sep 18, 2026, 10:36 AM EDT
Recruiting Not applicable Interventional

Hyperbaric Oxygen Therapy for Optic Neuropathies

NCT06128720
View directory record Official record
Conditions
Optic Neuropathy, Glaucoma
Interventions
Hyperbaric Oxygen, Sham Hyperbaric Oxygen
Device
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated May 24, 2025 · Synced Sep 18, 2026, 10:36 AM EDT
Active, not recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

Adenosine 2A Receptor Antagonism and AIH in ALS

NCT05377424
View directory record Official record
Conditions
ALS
Interventions
Consume 20mg of istradefylline, Low Oxygen therapy, Placebo counterpart to the istradefylline drug, SHAM counterpart to low oxygen therapy.
Drug · Other
Lead sponsor
University of Florida
Other
Eligibility
21 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
2
States / cities
Gainesville, Florida • Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 26, 2026 · Synced Sep 18, 2026, 10:36 AM EDT
Completed Phase 2 Interventional

Hyperbaric Oxygen for Traumatic and Non-traumatic Brain Injury

NCT01986205
View directory record Official record
Conditions
Brain Injury, Chronic
Interventions
Hyperbaric Oxygen, Minimal pressure air
Combination Product
Lead sponsor
Lindell Weaver
Other
Eligibility
18 Years to 70 Years
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
2
States / cities
Murray, Utah • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Aug 3, 2022 · Synced Sep 18, 2026, 10:36 AM EDT
Recruiting Not applicable Interventional

Non-Invasive Interventions for Respiratory Recovery in Chronic Spinal Cord Injury

NCT07135583
View directory record Official record
Conditions
Spinal Cord Injury, Chronic, Spinal Cord Injury Cervical, Spinal Cord Injury Thoracic, Incomplete Spinal Cord Injury
Interventions
Active Comparator: Single Intervention 1, Active Comparator: Single Intervention 2, Respiratory Resistance Exercise
Other · Behavioral
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years to 70 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 4, 2026 · Synced Sep 18, 2026, 10:36 AM EDT
Recruiting Phase 4 Interventional

Trial to Evaluate Cyclical Topical Wound Oxygen Therapy in the Treatment of Chronic Venous Leg Ulcers

NCT06754735
View directory record Official record
Conditions
Venous Leg Ulcer (VLU)
Interventions
Topical Wound Oxygen Therapy, Sham Control Topical Wound Oxygen
Device
Lead sponsor
AOTI Ltd.
Industry
Eligibility
18 Years and older
Enrollment
212 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 18, 2025 · Synced Sep 18, 2026, 10:36 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 18, 2026, 10:36 AM EDT
Not listed Phase 1Phase 2 Interventional

Timing and Dosage of Acute Intermittent Hypoxia in Persons With SCI

NCT03774043
View directory record Official record
Conditions
Spinal Cord Injuries
Interventions
Acute Intermittent Hypoxia, Sham Acute Intermittent Hypoxia
Other
Lead sponsor
Shirley Ryan AbilityLab
Other
Eligibility
18 Years to 70 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 18, 2020 · Synced Sep 18, 2026, 10:36 AM EDT
Recruiting Not applicable Interventional

Hyperbaric Oxygen Therapy for Ulcerative Colitis (HBOT-UC)

NCT05987852
View directory record Official record
Conditions
Ulcerative Colitis
Interventions
Hyperbaric Oxygen Therapy, Sham Hyperbaric Air
Device · Other
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 85 Years
Enrollment
126 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
13
States / cities
Birmingham, Alabama • Los Angeles, California • Miami, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated Jan 7, 2026 · Synced Sep 18, 2026, 10:36 AM EDT
Completed Not applicable Interventional

Home Air Purification for Eosinophilic COPD

NCT04252235
View directory record Official record
Conditions
COPD, Eosinophilia
Interventions
Air purifier, Sham air purifier
Device
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
40 Years and older
Enrollment
178 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced Sep 18, 2026, 10:36 AM EDT
Recruiting Phase 1Phase 2 Interventional

Intermittent Hypoxia-initiated Plasticity in Humans: A Multi-pronged Therapeutic Approach to Treat Sleep Apnea and Overlapping Co-morbidities

NCT05558501
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Mild Intermittent Hypoxia, Sham MIH
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
30 Years to 60 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 3, 2025 · Synced Sep 18, 2026, 10:36 AM EDT
Terminated Phase 3 Interventional Results available

The Impact of Low Flow Nocturnal Oxygen Therapy on Hospital Admissions and Mortality in Patients With Heart Failure and Central Sleep Apnea

NCT03745898
View directory record Official record
Conditions
Heart Failure, Central Sleep Apnea
Interventions
Oxygen, Room Air
Drug · Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
21 Years and older
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
26
States / cities
Tucson, Arizona • Stanford, California • New Haven, Connecticut + 20 more
Source: ClinicalTrials.gov public record
Updated Jul 31, 2023 · Synced Sep 18, 2026, 10:36 AM EDT