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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Completed Not applicable Interventional Accepts healthy volunteers

Rebreathing-induced Hypoxia and Glucose Levels

NCT05422430
Conditions
Hypoxemia
Interventions
Rebreathing-induced hypoxia, Spontaneous breathing
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Austin, Texas
Terminated Not applicable Interventional Accepts healthy volunteers

Effectiveness of Chest Compressions Under Mild Hypoxia

NCT04072484
Conditions
Cardiac Arrest, Hypoxia
Interventions
Mild hypoxia
Other
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 70 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Chicago, Illinois
Terminated Phase 1 Interventional Accepts healthy volunteers

Hookah Smoking, Carbon Monoxide, and Coronary Endothelial Function

NCT03166787
Conditions
Smoking, Endothelial Dysfunction
Interventions
Charcoal hookah, E-coal hookah, Cigarette, Carbon Monoxide inhalation, Room Air inhalation, vitamin C, tadalafil
Other · Drug
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
21 Years to 49 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Obstructive Sleep Apnea, Cognitive Decline
Interventions
Positive airway pressure, Oral appliance therapy, Positional therapy
Device
Lead sponsor
California Pacific Medical Center Research Institute
Other
Eligibility
55 Years to 85 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
4
States / cities
Tucson, Arizona • New York, New York • Pittsburgh, Pennsylvania
Conditions
Spinal Cord Injury
Interventions
Acute intermittent hypoxia, Room air
Other
Lead sponsor
Emory University
Other
Eligibility
18 Years to 65 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
2
States / cities
Atlanta, Georgia • Chicago, Illinois
Completed Not applicable Interventional

FLO2 for Recovery After SCI

NCT03833674
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
Conditions
Idiopathic Pulmonary Fibrosis
Interventions
inhaled carbon monoxide, Oxygen
Drug · Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 85 Years
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
8
States / cities
San Francisco, California • Chicago, Illinois • New Orleans, Louisiana + 4 more
Conditions
Acute Ischemic Stroke
Interventions
Hyperbaric Oxygen Therapy
Device
Lead sponsor
LCMC Health
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
New Orleans, Louisiana
Not yet recruiting No phase listed Observational Accepts healthy volunteers

Hand Perfusion and Pulse Oximetry Performance

NCT06925646
Conditions
Oxygen Saturation
Interventions
Finger hyperperfusion via adenosine, Finger hypoperfusion via by norepinephrine, Baseline hypoxic test
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Rochester, Minnesota
Active, not recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

Adenosine 2A Receptor Antagonism and AIH in ALS

NCT05377424
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
Conditions
Epilepsy, SUDEP
Interventions
6% Carbon dioxide/50% oxygen/balance nitrogen mixture
Other
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 99 Years
Enrollment
335 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2029
U.S. locations
1
States / cities
Iowa City, Iowa
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
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Optimization of Exhaled Biomarker Collection and Analysis

NCT05322785
Conditions
Respiratory Disease, Healthy
Interventions
Breath collection
Other
Lead sponsor
Indiana University
Other
Eligibility
4 Years to 110 Years
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2030
U.S. locations
1
States / cities
Indianapolis, Indiana
Conditions
Hypoxemia, Altitude Hypoxia
Interventions
Continuous positive airway pressure, Ambient air
Device
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 70 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Denver, Colorado
Conditions
Respiratory Control in Premature Infants
Interventions
Bedside Physiology study, Carotid Body Function Test, Room Air Challenge, Hypoxia Challenge Test, Effects of Nasal Cannula Flow, Magnetic Resonance Imaging, Echocardiogram, Blood Sample
Other · Diagnostic Test
Lead sponsor
Washington University School of Medicine
Other
Eligibility
1 Day to 28 Days
Enrollment
177 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Completed Phase 2 Interventional Results available

Lidocaine as an Endotracheal Tube (ETT) Cuff Media

NCT03343080
Conditions
Cardiac Disease
Interventions
1.8% lidocaine plus 0.76% sodium bicarbonate, Air
Drug · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Rochester, Minnesota
Recruiting Phase 4 Interventional Accepts healthy volunteers

Treatment of Sleep Apnea in Patients With Cervical Spinal Cord Injury

NCT02922894
Conditions
Sleep Apnea, Spinal Cord Injury
Interventions
Acute episodic hypoxia, Supplemental oxygen, Trazodone, Placebo, Sham
Procedure · Drug
Lead sponsor
John D. Dingell VA Medical Center
Federal
Eligibility
18 Years to 89 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2027
U.S. locations
1
States / cities
Detroit, Michigan
Terminated Phase 2Phase 3 Interventional Results available

Inhaled Nitric Oxide and Neuroprotection in Premature Infants

NCT00515281
Conditions
Prematurity, Bronchopulmonary Dysplasia, Intraventricular Hemorrhage, Periventricular Leukomalacia
Interventions
inhaled nitric oxide, oxygen
Drug
Lead sponsor
University of Chicago
Other
Eligibility
2 Hours to 72 Hours
Enrollment
273 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2023
U.S. locations
1
States / cities
Chicago, Illinois
Completed Phase 2 Interventional Results available

Normobaric Oxygen (NBO) Therapy in Acute Migraine

NCT01542307
Conditions
Migraine
Interventions
Oxygen, Room air
Biological
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
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
Conditions
Traumatic Brain Injury With Brief Loss of Consciousness, Post-Concussion Syndrome
Interventions
Hyperbaric oxygen (HBO2) at 1.5 atms, Sham control 1.2 atms
Drug
Lead sponsor
U.S. Army Medical Research and Development Command
Federal
Eligibility
18 Years to 65 Years
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
5
States / cities
Colorado Springs, Colorado • Fort Carson, Colorado • Jacksonville, North Carolina + 2 more
Completed Early Phase 1 Interventional Accepts healthy volunteers

Blood Brain Flow and Exercise

NCT02653638
Conditions
Cerebrovascular Circulation
Interventions
Control, Indomethacin
Other · Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 75 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Madison, Wisconsin
Completed No phase listed Observational Accepts healthy volunteers Results available

Cerebral Blood Flow and Childhood Obstructive Sleep Apnea

NCT02995837
Conditions
Obstructive Sleep Apnea Syndrome
Interventions
Sleep Study, Neurocognitive Testing, CBF During Wakefulness, CBF During Sleep
Other
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
6 Years to 12 Years
Enrollment
47 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Spinal Cord Injuries (SCI)
Interventions
Augmented Acute Intermittent Hypoxia (aAIH), Acute Intermittent Hypercapnic-Hypoxia (AIHH), Sham AIH
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 70 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Jacksonville, Florida