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Showing 1–24 of 69 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Intermittent Hypoxia Clear all
Recruiting Not applicable Interventional

IHT for Mild Cognitive Impairment

NCT05495087
View directory record Official record
Conditions
Mild Cognitive Impairment, Memory Impairment
Interventions
IHT Treatment, Sham-IHT Control
Device · Other
Lead sponsor
University of North Texas Health Science Center
Other
Eligibility
55 Years to 79 Years
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Fort Worth, Texas
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Sep 4, 2026, 9:39 PM EDT
Active, not recruiting Not applicable Interventional

AIH-induced Walking Recovery After Subacute SCI

NCT02632422
View directory record Official record
Conditions
Spinal Cord Injury
Interventions
Daily acute intermittent hypoxia (dAIH), dSHAM, Walking
Other
Lead sponsor
Spaulding Rehabilitation Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2027
U.S. locations
2
States / cities
Atlanta, Georgia • Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Sep 4, 2026, 9:39 PM EDT
Recruiting Not applicable Interventional

Effects of Acute Intermittent Hypoxia on Neuroplasticity in MS

NCT06390930
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
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 22, 2026 · Synced Sep 4, 2026, 9:39 PM EDT
Completed Not applicable Interventional

Motor Plasticity, Intermittent Hypoxia and Sleep Apnea

NCT04017767
View directory record Official record
Conditions
Sleep Apnea, Obstructive, Spinal Cord Injuries, Hypoxia
Interventions
Induced Acute Intermittent Hypoxia (AIH), AIH mask
Procedure · Device
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Sep 7, 2025 · Synced Sep 4, 2026, 9:39 PM EDT
Completed Phase 3 Interventional Results available

Effects of Caffeine on Intermittent Hypoxia in Infants Born Preterm

NCT01875159
View directory record Official record
Conditions
Hypoxia
Interventions
Caffeine citrate 6 mg/kg/day
Drug
Lead sponsor
American SIDS Institute
Other
Eligibility
33 Weeks to 37 Weeks
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 16, 2015 · Synced Sep 4, 2026, 9:39 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Breathing Mild Bouts of Low Oxygen on Limb Mobility After Spinal Injury

NCT02323945
View directory record Official record
Conditions
Spinal Cord Injuries
Interventions
AIH, Walk, Strength
Other
Lead sponsor
Spaulding Rehabilitation Hospital
Other
Eligibility
18 Years to 75 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2027
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 19, 2026 · Synced Sep 4, 2026, 9:39 PM EDT
Completed Not applicable Interventional

Acute Intermittent Hypoxia in Persons With Multiple Sclerosis

NCT04280484
View directory record Official record
Conditions
Multiple Sclerosis, Relapsing-Remitting
Interventions
Intermittent Hypoxia, Sham Hypoxia
Other
Lead sponsor
Shirley Ryan AbilityLab
Other
Eligibility
18 Years to 75 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 23, 2020 · Synced Sep 4, 2026, 9:39 PM 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 4, 2026, 9:39 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 4, 2026, 9:39 PM EDT
Completed Phase 2 Interventional

Intermittent Hypoxia and Caffeine in Infants Born Preterm

NCT03321734
View directory record Official record
Conditions
Intermittent Hypoxia
Interventions
Caffeine, Placebos
Drug
Lead sponsor
Children's National Research Institute
Other
Eligibility
32 Weeks to 36 Weeks
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
15
States / cities
Loma Linda, California • Washington D.C., District of Columbia • Orlando, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated Aug 31, 2023 · Synced Sep 4, 2026, 9:39 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Combined Therapeutic Air Mixture and Electrical Stimulation to Improve Breathing and Hand Function in Spinal Cord Injury

NCT06101199
View directory record Official record
Conditions
Cervical Spinal Cord Injury
Interventions
Acute Intermittent Hypercapnic Hypoxia, Transcutaneous spinal cord stimulation, SHAM Acute Intermittent Hypercapnic Hypoxia, SHAM Transcutaneous spinal cord stimulation
Other
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years to 65 Years
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 16, 2025 · Synced Sep 4, 2026, 9:39 PM 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 4, 2026, 9:39 PM 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 4, 2026, 9:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Physiological Adaptations to Simulated Intermittent Altitude on Human Health and Performance

NCT03743610
View directory record Official record
Conditions
Altitude Hypoxia
Interventions
Simulated altitude, Placebo simulated altitude
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 70 Years
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Feb 19, 2024 · Synced Sep 4, 2026, 9:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Melatonin on Sleep, Ventilatory Control and Cognition at Altitude

NCT03588676
View directory record Official record
Conditions
Intermittent Hypoxia
Interventions
Melatonin, Placebo
Other
Lead sponsor
Robert L. Owens
Other
Eligibility
18 Years to 65 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Aug 13, 2019 · Synced Sep 4, 2026, 9:39 PM EDT
Terminated Early Phase 1 Interventional Accepts healthy volunteers

AIH for Spinal Cord Repair

NCT03780829
View directory record Official record
Conditions
SCI
Interventions
hypoxia, sham hypoxia, D-cycloserine, sham-NMDA agonist, exercise training
Behavioral · Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 85 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Hines, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 26, 2026 · Synced Sep 4, 2026, 9:39 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Intermittent Hypoxia Elicits Prolonged Restoration of Motor Function in Human SCI

NCT01272349
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 20, 2013 · Synced Sep 4, 2026, 9:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Determinants of Age Related Breathing Instability During Non-Rapid-Eye-Movement (NREM) Sleep

NCT00732199
View directory record Official record
Conditions
Sleep Apnea, Age
Interventions
1) hyperventilation via noninvasive positive pressure ventilation 2) multiple trials of episodic hypoxia
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 89 Years
Enrollment
92 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2015
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 27, 2017 · Synced Sep 4, 2026, 9:39 PM EDT
Completed Not applicable Interventional Results available

SCI Acute Intermittent Hypoxia and Non-Invasive Spinal Stimulation Combined With Gait Training

NCT03922802
View directory record Official record
Conditions
Spinal Cord Injuries, Spinal Cord Diseases
Interventions
Acute Intermittent Hypoxia + Non Invasive Spinal Cord Stimulation + Gait Training, Sham Acute Intermittent Hypoxia + Non Invasive Spinal Cord Stimulation + Gait Training, Sham Acute Intermittent Hypoxia + Sham Non Invasive Spinal Cord Stimulation + Gait Training
Device · Other
Lead sponsor
Shirley Ryan AbilityLab
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 12, 2026 · Synced Sep 4, 2026, 9:39 PM EDT
Active, not recruiting Not applicable Interventional

A Multi-Center Clinical Trial in Individuals With Spinal Cord Injury

NCT03644277
View directory record Official record
Conditions
Spinal Cord Injuries
Interventions
Acute Intermitted Hypoxia, Massed Practise, Rapael Glove
Other · Procedure
Lead sponsor
Shirley Ryan AbilityLab
Other
Eligibility
18 Years to 75 Years
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
3
States / cities
Chicago, Illinois • East Hanover, New Jersey
Source: ClinicalTrials.gov public record
Updated Jul 23, 2025 · Synced Sep 4, 2026, 9:39 PM EDT
Recruiting Not applicable Interventional

BioFLO for Respiratory Recovery in SCI

NCT06011876
View directory record Official record
Conditions
Spinal Cord Injuries
Interventions
Acute Intermittent Hypoxia (AIH), Acute Intermittent Hypercapnic-Hypoxia (AIHH), Sham AIH
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 70 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Nov 4, 2025 · Synced Sep 4, 2026, 9:39 PM EDT
Completed Not applicable Interventional Results available

Non-invasive Intervention for Apnea of Prematurity

NCT02641249
View directory record Official record
Conditions
Apnea of Prematurity, Hypoxia, Bradycardia
Interventions
Vibration
Device
Lead sponsor
University of California, Los Angeles
Other
Eligibility
1 Week and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
2
States / cities
Los Angeles, California • Santa Monica, California
Source: ClinicalTrials.gov public record
Updated May 8, 2017 · Synced Sep 4, 2026, 9:39 PM 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 4, 2026, 9:39 PM EDT
Recruiting Not applicable Interventional

Iron Absorption in The Low Oxygen Exposure and Weight Status (LOWS) Study

NCT07542873
View directory record Official record
Conditions
Obesity (Disorder)
Interventions
Normobaric hypoxia (NH), Normobaric normoxia (NN)
Other
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
22 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Apr 20, 2026 · Synced Sep 4, 2026, 9:39 PM EDT