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ClinicalTrials.gov public records Last synced Sep 14, 2026, 4:44 AM EDT

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Showing 1–24 of 52 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Acute intermittent hypoxia Clear all
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 14, 2026, 4:44 AM EDT
Recruiting Not applicable Interventional

Hypoxia Pathways for Early Recovery After Spinal Cord Injury

NCT07002437
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 2, 2025 · Synced Sep 14, 2026, 4:44 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

VibraCool Device to Reduce Pain and Opioid Use After Anterior Cruciate Ligament Reconstruction (ACLR)

NCT06456268
View directory record Official record
Conditions
ACL, Opioid Use, Cryotherapy Effect, Vibration; Exposure, Pain, Postoperative
Interventions
VibraCool mechanical stimulation and neuromodulatory therapeutic device, Cryocompression (Game Ready, Bregs) device, Standard ice packs
Device
Lead sponsor
Columbia University
Other
Eligibility
Not listed
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 6, 2026 · Synced Sep 14, 2026, 4:44 AM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Effect of Intermittent Hypoxia in Healthy Individuals

NCT04691518
View directory record Official record
Conditions
Healthy
Interventions
Acute Intermittent Hypoxia, Sham Acute Intermittent Hypoxia
Other
Lead sponsor
Shirley Ryan AbilityLab
Other
Eligibility
18 Years to 70 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 19, 2026 · Synced Sep 14, 2026, 4:44 AM EDT
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 14, 2026, 4:44 AM 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 14, 2026, 4:44 AM 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 14, 2026, 4:44 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 14, 2026, 4:44 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 14, 2026, 4:44 AM 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 14, 2026, 4:44 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 14, 2026, 4:44 AM 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 14, 2026, 4:44 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Acute Intermittent Hypoxia and Breathing in Neuromuscular Disease

NCT03645031
View directory record Official record
Conditions
Amyotrophic Lateral Sclerosis (ALS), Neuromuscular Diseases
Interventions
Acute Intermittent Hypoxia, Sham Acute Intermittent Hypoxia
Other
Lead sponsor
University of Florida
Other
Eligibility
21 Years to 75 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
2
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated May 14, 2025 · Synced Sep 14, 2026, 4:44 AM EDT
Completed Not applicable Interventional Results available

Acute Intermittent Hypoxia in Traumatic Brain Injury

NCT04890639
View directory record Official record
Conditions
Brain Injuries, Traumatic
Interventions
Acute Intermittent Hypoxia
Procedure
Lead sponsor
Shirley Ryan AbilityLab
Other
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced Sep 14, 2026, 4:44 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 14, 2026, 4:44 AM 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 14, 2026, 4:44 AM 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 14, 2026, 4:44 AM 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 14, 2026, 4:44 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 14, 2026, 4:44 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Effect of Acute Intermittent Hypoxia on Motor Learning

NCT05341466
View directory record Official record
Conditions
Incomplete Spinal Cord Injury
Interventions
Acute Intermittent Hypoxia, SHAM Acute Intermittent Hypoxia
Other
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
18 Years to 70 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
2
States / cities
Aurora, Colorado • Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated May 13, 2025 · Synced Sep 14, 2026, 4:44 AM EDT
Completed Early Phase 1 Interventional

Effect of a Novel Intervention Using Daily Intermittent Hypoxia and High Intensity Training on Upper Limb Function in Individuals With Spinal Cord Injury

NCT03643770
View directory record Official record
Conditions
Spinal Cord Injuries
Interventions
Upper extremity training/Armeo Spring
Combination Product
Lead sponsor
Shirley Ryan AbilityLab
Other
Eligibility
18 Years to 75 Years
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 1, 2025 · Synced Sep 14, 2026, 4:44 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Sex Differences in Reflex Responses to Intermittent Hypoxia

NCT03606434
View directory record Official record
Conditions
Healthy Participants
Interventions
Hypoxic exposure
Other
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years to 45 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 20, 2021 · Synced Sep 14, 2026, 4:44 AM EDT
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 14, 2026, 4:44 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Repetitive Acute Intermittent Hypoxia for Spinal Cord Repair

NCT03433599
View directory record Official record
Conditions
Spinal Cord Injuries
Interventions
Repeated exposure to acute Intermittent Hypoxia (rAIH), Normal Room Air, Upper-limb Training by Research Staff, Lower-limb Training by Research Staff
Other
Lead sponsor
Shirley Ryan AbilityLab
Other
Eligibility
18 Years to 85 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 29, 2022 · Synced Sep 14, 2026, 4:44 AM EDT