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Showing 1–24 of 26 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Intermittent normoxia Clear all
Recruiting Not applicable Interventional

Combination Therapy to Improve SCI Recovery.

NCT05563103
View directory record Official record
Conditions
Spinal Cord Injuries
Interventions
Daily acute intermittent hypoxia, Room air (SHAM), Walking + tSTIM, Walking + Sham transcutaneous spinal stimulation (tSHAM)
Other
Lead sponsor
Spaulding Rehabilitation Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
2
States / cities
Chicago, Illinois • Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 19, 2026 · Synced Sep 6, 2026, 1:21 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 6, 2026, 1:21 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 6, 2026, 1:21 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 6, 2026, 1:21 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 6, 2026, 1:21 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 6, 2026, 1:21 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 6, 2026, 1:21 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 6, 2026, 1:21 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Intermittent Hypoxia and Balance Control

NCT05463042
View directory record Official record
Conditions
Intermittent Hypoxia, Normoxia
Interventions
Intermittent Hypoxia, Normoxia (sham)
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years to 80 Years
Enrollment
3 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Nov 28, 2023 · Synced Sep 6, 2026, 1:21 PM EDT
Recruiting Not applicable Interventional

Low Oxygen Therapy to Enhance Walking Recovery After SCI.

NCT06521723
View directory record Official record
Conditions
Spinal Cord Injuries
Interventions
Daily acute intermittent hypoxia, Walking + tSTIM
Other · Device
Lead sponsor
Spaulding Rehabilitation Hospital
Other
Eligibility
18 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
2
States / cities
Jacksonville, Florida • Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 19, 2026 · Synced Sep 6, 2026, 1:21 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

IH, Brain Health, and T2D

NCT07173543
View directory record Official record
Conditions
Type 2 Diabetes, Aging
Interventions
Intermittent Hypoxia 1 (IH1), Intermittent Hypoxia 2 (IH2), SHAM - normoxia
Other
Lead sponsor
Darren P Casey
Other
Eligibility
60 Years to 85 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Mar 12, 2026 · Synced Sep 6, 2026, 1:21 PM 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 6, 2026, 1:21 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of Acute Intermittent Hypoxia on Sensory Function in Healthy Adults

NCT03283072
View directory record Official record
Conditions
Sensitivity
Interventions
Intervention 1, Intervention 2, Intervention 3, Intervention 4 (sham)
Device
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 40 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 20, 2023 · Synced Sep 6, 2026, 1:21 PM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Examining the Effect of Acute Intermittent Hypoxia on Serum Blood Proteins and Lower Limb Function

NCT06906536
View directory record Official record
Conditions
INCOMPLETE SPINAL CORD INJURY (ASIA D), Able Bodied
Interventions
Acute Intermittent Hypoxia (AIH)
Other
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
18 Years to 75 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 3, 2025 · Synced Sep 6, 2026, 1:21 PM 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 6, 2026, 1:21 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Intermittent Hypoxia on Ischemia-reperfusion Injury in Healthy Individuals

NCT05423470
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
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Dec 6, 2022 · Synced Sep 6, 2026, 1:21 PM 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 6, 2026, 1:21 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Influence of Intermittent Hypoxia on Glycemic Control

NCT06490900
View directory record Official record
Conditions
Hypoxemia
Interventions
Intermittent hypoxia, Intermittent normoxia
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years to 80 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Mar 24, 2025 · Synced Sep 6, 2026, 1:21 PM 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 6, 2026, 1:21 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Obstructive Sleep Apnea (OSA) and Metabolic Syndrome: Role of Oxidative Stress

NCT00177892
View directory record Official record
Conditions
Obstructive Sleep Apnea, Metabolic Syndrome X
Interventions
sleep disruption, sleep with and without positive pressure
Procedure
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
18 Years to 65 Years
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2008
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 2, 2008 · Synced Sep 6, 2026, 1:21 PM EDT
Completed Not applicable Interventional Results available

American Heart Association- Stroke/Hypoxia Study

NCT04019522
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
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Sep 6, 2026, 1:21 PM EDT
Recruiting Not applicable Interventional

Cross-System Effects of Acute Intermittent Hypercapnia-Based Interventions in PD

NCT07674264
View directory record Official record
Conditions
Parkinson Disease, Parkinsonism
Interventions
Acute intermittent hypercapnic hypoxia (AIHH), Acute intermittent hypercapnic normoxia (AIHN)
Other
Lead sponsor
University of Florida
Other
Eligibility
40 Years to 75 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
2
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Sep 6, 2026, 1:21 PM EDT
Recruiting Not applicable Interventional

Mild Intermittent Hypoxia: A Prophylactic for Autonomic Dysfunction in Individuals With Spinal Cord Injuries

NCT05351827
View directory record Official record
Conditions
Spinal Cord Injuries, Autonomic Dysreflexia
Interventions
Mild Intermittent Hypoxia, Sham
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 60 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Sep 6, 2026, 1:21 PM EDT
Completed Not applicable Interventional

Intermittent Hypoxia Paired with High Intensity Training in Brain Injury

NCT04472442
View directory record Official record
Conditions
Brain Injuries
Interventions
Intermittent hypoxia, Sham hypoxia
Procedure
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 85 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Oct 16, 2024 · Synced Sep 6, 2026, 1:21 PM EDT