Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Nov 15, 2026, 7:04 AM EST

All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 147 matching trials from the live ClinicalTrials.gov search.
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
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
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Safety, Parameterization, and Mechanism of Transcranial Focused Ultrasound

NCT05792020
Conditions
Healthy
Interventions
Focused Ultrasound Stimulation
Device
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 55 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Charleston, South Carolina
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
Completed Not applicable Interventional Accepts healthy volunteers

Different Types of Cupping Therapy and Ankle Range of Motion

NCT06513078
Conditions
Healthy
Interventions
Static cupping, Static sham cupping, Dynamic cupping, Dynamic sham cupping
Other
Lead sponsor
Northern Michigan University
Other
Eligibility
18 Years and older
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Marquette, Michigan
Recruiting Not applicable Interventional

BioFLO for Respiratory Recovery in SCI

NCT06011876
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
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Working Memory Training Combined With Transcranial Magnetic Stimulation in Smokers

NCT03337113
Conditions
Tobacco Use Disorder
Interventions
Working Memory Training, Sham Working Memory Training, repetitive Transcranial Magnetic Stimulation, Sham repetitive Transcranial Magnetic Stimulation
Other · Device
Lead sponsor
Kent State University
Other
Eligibility
18 Years to 60 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
2
States / cities
Providence, Rhode Island
Conditions
Carbon Monoxide Poisoning
Interventions
Hyperbaric Oxygen (HBO2) - 3 sessions, Hyperbaric Oxygen (HBO2) - 1 session
Combination Product
Lead sponsor
Intermountain Health Care, Inc.
Other
Eligibility
18 Years to 79 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2017
U.S. locations
2
States / cities
Salt Lake City, Utah
Conditions
TBI Traumatic Brain Injury, PTSD - Post Traumatic Stress Disorder, Post Concussive Syndrome
Interventions
Hyperbaric Oxygen Therapy
Drug
Lead sponsor
Summit Hyperbarics and Wellness
Other
Eligibility
18 Years to 75 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Boise, Idaho
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
Conditions
Foot Ulcer, Diabetic
Interventions
APT001, SHAM
Device
Lead sponsor
Origin Inc.
Industry
Eligibility
19 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
4
States / cities
Montgomery, Alabama • Fresno, California • New York, New York
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
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
Conditions
Amyotrophic Lateral Sclerosis
Interventions
PowerLung trainer, Micro Mouth Pressure Meter, Pulmonary Function Testing, Videofluoroscopic swallowing study, Swallowing Quality of Life Questionnaire, Iowa Oral Pressure Instrument, Capsaicin
Device · Procedure · Other + 1 more
Lead sponsor
University of Florida
Other
Eligibility
21 Years to 85 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Gainesville, Florida
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
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
Conditions
Spinal Cord Injuries
Interventions
Hypoxia via Hypoxico Hyp-123, Sham via Hypoxico Hyp-123
Device
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 65 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
2
States / cities
Gainesville, Florida • Jacksonville, Florida
Conditions
Chronic Obstructive Pulmonary Disease (COPD)
Interventions
Air cleaner, Sham air cleaner
Device
Lead sponsor
JHSPH Center for Clinical Trials
Other
Eligibility
40 Years and older
Enrollment
770 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
11
States / cities
Birmingham, Alabama • Los Angeles, California • Iowa City, Iowa + 7 more
Conditions
Impotence, Prostatic Neoplasms
Interventions
Sildenafil therapy plus post-NSRRP HBO2T, Sildenafil therapy plus sham post-NSRRP HBO2T
Drug
Lead sponsor
Hartford Hospital
Other
Eligibility
40 Years to 65 Years · Male only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2021
U.S. locations
1
States / cities
Hartford, Connecticut
Conditions
Obsessive Compulsive Behavior
Interventions
Transcranial Magnetic Stimulation: continuous theta burst to pre supplementary motor area, Transcranial Magnetic Stimulation: Sham, Exposure with Response Prevention
Device · Behavioral
Lead sponsor
Bradley Hospital
Other
Eligibility
12 Years to 21 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
2
States / cities
Minneapolis, Minnesota • Providence, Rhode Island
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
Completed Not applicable Interventional Accepts healthy volunteers Results available

Reducing Particulate Matter-associated Cardiovascular Health Effects for Seniors

NCT04103346
Conditions
Cardiometabolic Health
Interventions
air filtration with air purifier with hepa filter, sham
Other
Lead sponsor
University of Michigan
Other
Eligibility
60 Years and older
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Ann Arbor, Michigan
Conditions
OSA
Interventions
Dynamic CO2, Sham CO2
Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
21 Years to 80 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Smoking Cessation
Interventions
rTMS Active 20Hz, rTMS Sham
Device
Lead sponsor
The City College of New York
Other
Eligibility
21 Years to 65 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
New York, New York
Conditions
Air Pollution, Atherosclerosis
Interventions
HEPA filtration, Sham filtration
Device
Lead sponsor
University of Southern California
Other
Eligibility
65 Years to 84 Years
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Los Angeles, California