Search | Clinical Trials Finder

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, 7:33 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 97–120 of 147 matching trials from the live ClinicalTrials.gov search.

Filters: Intervention: Sham Air Clear all

Conditions: Traumatic Brain Injury, Military Operations
Interventions: Oxygen 99.7 %, Oxygen 21 %; Drug
Lead sponsor: University of South Florida; Other
Eligibility: 18 Years to 75 Years
Enrollment: 420 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2024 – 2029
U.S. locations: 1
States / cities: Tampa, Florida

Conditions: Asthma
Interventions: High Efficiency Particulate Air Cleaner, Sham air cleaner; Device
Lead sponsor: Johns Hopkins University; Other
Eligibility: 18 Years to 50 Years
Enrollment: 23 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2014 – 2018
U.S. locations: 2
States / cities: Baltimore, Maryland

Conditions: Asthma in Children
Interventions: MERV 13 filter, Sham filter; Other
Lead sponsor: University of Washington; Other
Eligibility: 6 Years to 17 Years
Enrollment: 80 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2024 – 2028
U.S. locations: 1
States / cities: Seattle, Washington

Conditions: Cardiovascular Risk Factor, Blood Pressure
Interventions: HEPA Air Filtration, Sham HEPA Air Filtration; Other
Lead sponsor: UConn Health; Other
Eligibility: 30 Years and older
Enrollment: 156 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2020 – 2024
U.S. locations: 1
States / cities: Farmington, Connecticut

Conditions: Cardiovascular (CV) Risk
Interventions: Air filtration systems without filters (sham); Device
Lead sponsor: Michigan State University; Other
Eligibility: 21 Years and older
Enrollment: 20 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2025 – 2027
U.S. locations: 1
States / cities: East Lansing, Michigan

Conditions: Mountain Sickness Acute
Interventions: Respiratory Muscle Training, Sham Breathing Training; Device
Lead sponsor: University of Colorado, Denver; Other
Eligibility: 18 Years to 45 Years · Male only
Enrollment: 28 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2018 – 2020
U.S. locations: 1
States / cities: Aurora, Colorado

Conditions: Mild Dementia, Aging Well
Interventions: Neurolith Transcranial Pulse Stimulation Active, Neurolith Transcranial Pulse Stimulation Sham; Device
Lead sponsor: University of Florida; Other
Eligibility: 65 Years to 84 Years
Enrollment: 20 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2024 – 2027
U.S. locations: 1
States / cities: Gainesville, Florida

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: Parkinson's Disease
Interventions: Real TMS, Sham TMS; Device
Lead sponsor: University of Colorado, Denver; Other
Eligibility: 40 Years and older
Enrollment: 49 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2014 – 2020
U.S. locations: 1
States / cities: Aurora, Colorado

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

Conditions: Bronchopulmonary Dysplasia
Interventions: AT-100, Air-sham; Biological · Procedure
Lead sponsor: Airway Therapeutics, Inc.; Industry
Eligibility: 0 Minutes to 96 Hours
Enrollment: 37 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2021 – 2024
U.S. locations: 9
States / cities: Tucson, Arizona • Little Rock, Arkansas • Los Angeles, California + 6 more

Conditions: Respiratory Tract Diseases, Cardiovascular Diseases
Interventions: DIY portable air cleaner with a highly effective filter, DIY portable air cleaner with sham filtration; Other
Lead sponsor: Environmental Protection Agency (EPA); Federal
Eligibility: 18 Years and older
Enrollment: 80 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2023
U.S. locations: 1
States / cities: Fresno, California

Conditions: Complex Regional Pain Syndrome Type I
Interventions: Repeated Transcranial Magnetic Stimulation, Sham Repeated Transcranial Magnetic Stimulation, Rehabilitation; Device · Other
Lead sponsor: State University of New York - Upstate Medical University; Other
Eligibility: 18 Years and older
Enrollment: 20 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2023 – 2025
U.S. locations: 1
States / cities: Syracuse, New York

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

Conditions: Stroke, Aphasia, Language
Interventions: Transcranial Magnetic Stimulation; Device
Lead sponsor: Medical College of Wisconsin; Other
Eligibility: 18 Years to 85 Years
Enrollment: 135 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2024 – 2032
U.S. locations: 1
States / cities: Milwaukee, Wisconsin

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: Blood Pressure
Interventions: Active PAC, Sham PAC; Device
Lead sponsor: NYU Langone Health; Other
Eligibility: 18 Years to 100 Years
Enrollment: 440 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2023 – 2028
U.S. locations: 1
States / cities: New York, New York

Conditions: Tracheobronchomalacia, Excessive Dynamic Airway Collapse
Interventions: Continuous positive airway pressure (CPAP) device, Sham-continuous positive airway pressure (CPAP) device; Device
Lead sponsor: Beth Israel Deaconess Medical Center; Other
Eligibility: 18 Years and older
Enrollment: 32 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2023 – 2027
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Obstructive Sleep Apnea (OSA)
Interventions: Pillar Palatal Implant System, Sham system; Device
Lead sponsor: Medtronic Xomed, Inc.; Industry
Eligibility: 18 Years and older
Enrollment: 51 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2007 – 2009
U.S. locations: 7
States / cities: Little Rock, Arkansas • Berkeley, California • Denver, Colorado + 4 more

Conditions: Air Pollution, Cardiovascular Health
Interventions: HEPA air filtration; Other
Lead sponsor: Tufts University; Other
Eligibility: 45 Years to 80 Years
Enrollment: 23 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2012 – 2014
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Chronic Obstructive Pulmonary Disease
Interventions: HEPA portable air filter, Sham Control/Active Comparator; Other
Lead sponsor: Intermountain Health Care, Inc.; Other
Eligibility: 40 Years and older
Enrollment: 52 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2016 – 2019
U.S. locations: 1
States / cities: Salt Lake City, Utah

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

Conditions: Allergic, Inflammatory
Interventions: Environmental Exposures, Control Exposures; Other
Lead sponsor: National Institute of Allergy and Infectious Diseases (NIAID); NIH
Eligibility: 18 Years to 80 Years
Enrollment: 120 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2026 – 2031
U.S. locations: 1
States / cities: Bethesda, Maryland

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

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Hyperbaric Oxygen Treatment for Veterans With Traumatic Brain Injury

Effects of Reducing Indoor Air Pollution on the Adult Asthmatic Response

Action Towards Health Equity and Improved Air Quality in the Duwamish Valley: A Multilevel Asthma Intervention

Home Air Filtration for Traffic-Related Air Pollution

PM2.5 Exposure, Obesity, and Cardiovascular Health

Breathing Training to Improve Human Performance at High Altitude

Transcranial Pulse Stimulation of the Brain

Intermittent Hypoxia in Persons With Multiple Sclerosis

Cognitive Dysfunction in Parkinson's Disease

Intermittent Hypoxia and Inspiratory Threshold Loading to Enhance Inspiratory Muscle Function

A Clinical Safety Study of AT-100 (rhSP-D) in Preterm Neonates at High Risk for Bronchopulmonary Dysplasia (BPD)

ASPIRE Health Tulare County

rTMS and Rehabilitation for Individuals With CRPS Type 1

Acute Intermittent Hypoxia and Breathing in Neuromuscular Disease

Language Processing and TMS

FLO2 for Recovery After SCI

Reducing AIR Pollution Exposure to Lower Blood PRESSURE Among New York City Public Housing Residents

Effect of CPAP on 6-Minute Walk Test Outcomes in Patients With ECAC

Palatal Implants in Combination With Continuous Positive Airway Pressure to Treat Obstructive Sleep Apnea

Boston Puerto Rican Health Study

Indoor Air Quality and Respiratory Symptoms in Former Smokers

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

THREAT: Testing Harms Related to Exposure to Allergenic and Epithelial Toxins

Hyperbaric Oxygen Therapy in Acute Ischemic Stroke Ischemic Stroke Recovery (Pro00061930)