Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 8, 2026, 10:08 PM EDT

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Showing 1–24 of 108 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Completed Not applicable Interventional Accepts healthy volunteers

Study of Airflow in the Lungs Using Helium MRI

NCT02154568
Conditions
COPD, Healthy, Constrictive Bronchitis
Interventions
hyperpolarized helium-3 gas with MRI of the chest
Drug
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2026
U.S. locations
2
States / cities
Charlottesville, Virginia
Conditions
Post Single or Double Lung Transplant
Interventions
perfluorinated gas/oxygen mixture, MRI
Drug · Device
Lead sponsor
Hal C Charles
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Severe Asthma
Interventions
Hyperpolarized Xenon 129
Combination Product
Lead sponsor
Bastiaan Driehuys
Other
Eligibility
18 Years to 65 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Congenital Heart Disease
Interventions
Cardiovascular Magnetic Resonance Imaging
Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
Not listed
Enrollment
51 participants
Timeline
2019 – 2021
U.S. locations
1
States / cities
Cincinnati, Ohio
Conditions
Muscular Dystrophy, Duchenne
Interventions
Magnetic Resonance Imaging (MRI), Pulmonary Function Testing (PFT), Metabolic Exercise Testing using stationary bicycle, Echocardiogram
Other
Lead sponsor
University of Florida
Other
Eligibility
5 Years to 15 Years · Male only
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
1
States / cities
Gainesville, Florida
Completed Not applicable Interventional Accepts healthy volunteers

Exercise in Health and Chronic Obstructive Pulmonary Disease

NCT02300064
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Knee-extensor exercise test, Exercise test with restricting/releasing blood flow, Exercise test with variable oxygen concentration and MRI, Exercise test with oral antioxidant or placebo cocktail
Other
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
185 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2016
U.S. locations
1
States / cities
Salt Lake City, Utah
Conditions
Sickle Cell Disease, Cerebral Stroke
Interventions
Carbon Dioxide
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
6 Years to 70 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2032
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Malignant Brain Neoplasm, Malignant Solid Neoplasm, Multiple Sclerosis, Neuroendocrine Tumor, Prostate Carcinoma
Interventions
Biospecimen Collection, Exercise Intervention, Magnetic Resonance Imaging, Questionnaire Administration, Respiratory Therapy
Procedure · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 85 Years
Enrollment
147 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Network-Level Effects of Nitrous Oxide in the Human Brain

NCT03435055
Conditions
Healthy
Interventions
Nitrous Oxide Gas for Inhalation
Drug
Lead sponsor
University of Michigan
Other
Eligibility
21 Years to 40 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Ann Arbor, Michigan
Completed Phase 1 Interventional Accepts healthy volunteers

Imaging Lung Function Using Oxygen Enhanced MRI

NCT01731015
Conditions
COPD, Asthma, Cystic Fibrosis, Emphysema, Small Airways Disease
Interventions
Medical Grade Oxygen
Drug
Lead sponsor
Hal C Charles
Other
Eligibility
18 Years to 90 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Autonomic Nervous System Disease, Concussive Injury, Mild Traumatic Brain Injury, Post Traumatic Stress Disorder, Persistent Post Concussion Syndrome
Interventions
HRV Coherence Ratio, NSI, Pittsburgh Sleep Quality Index (PSQI), Quantitative Sleep Measures, Patient Global Impression of Change (PGIC), Cognitive Performance/NIH Toolbox Cognitive Battery, Pain Interference/TBI-QoL Pain Interference Short-Form, Patient Health Questionnaire-9 (PHQ-9), PTSD Checklist for DSM-5 (PCL-5), HRV Biofeedback (HRV-B), Psychoeducational (Edu) Comparator Intervention
Other · Behavioral
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older
Enrollment
148 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Richmond, Virginia
Conditions
Advanced Colorectal Carcinoma, Advanced Lung Non-Small Cell Carcinoma, Advanced Pancreatic Adenocarcinoma, Stage IV Colorectal Cancer AJCC v8, Stage IV Lung Cancer AJCC v8, Stage IV Pancreatic Cancer AJCC v8, Unresectable Colorectal Carcinoma, Unresectable Lung Non-Small Cell Carcinoma, Unresectable Pancreatic Adenocarcinoma
Interventions
Biospecimen Collection, Computed Tomography, Electronic Health Record Review, Medical Device Usage and Evaluation, Physical Performance Testing, Positron Emission Tomography, Survey Administration
Procedure · Other
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
225
States / cities
Fort Smith, Arkansas • Aurora, Colorado • Boulder, Colorado + 160 more
Completed Not applicable Interventional Accepts healthy volunteers Results available

Metabolic Changes in the Activated Human Visual Cortex During Mild Hypoxia

NCT02482571
Conditions
Brain Hypoxia
Interventions
Mild Hypoxia
Device
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 40 Years · Male only
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Minneapolis, Minnesota
Completed Not applicable Interventional Accepts healthy volunteers

Afferent Neurocardiac Signals, Cue Reactivity, and Cognitive Control

NCT05369169
Conditions
Binge Drinking
Interventions
Resonance breathing, Low demand cognitive task
Behavioral
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 35 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
New Brunswick, New Jersey
Conditions
Non Hodgkin Lymphoma, Heart; Functional Disturbance, Hodgkin Lymphoma, Quality of Life, Stage I Breast Cancer, Stage II Breast Cancer, Stage III Breast Cancer
Interventions
Exercise with Trainerize application, Cardiopulmonary exercise testing, MRI scan, Quality of Life Questionnaires, Cognitive and Brain Function Questionnaires, Blood draws
Other · Diagnostic Test · Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 85 Years
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
2
States / cities
Winston-Salem, North Carolina • Richmond, Virginia
Recruiting Not applicable Interventional Accepts healthy volunteers

Cardiac-Control Affecting Learning Through Mindfulness (CALM)

NCT06410157
Conditions
Age-related Cognitive Decline, Alzheimer Disease
Interventions
Daily practice
Behavioral
Lead sponsor
University of Southern California
Other
Eligibility
50 Years to 70 Years
Enrollment
240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Obesity
Interventions
Xenon
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 60 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Conditions
Pancreatic Cancer
Interventions
Magnetic Resonance Imaging (MRI)
Other
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2013
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Type 2 Diabetes
Interventions
Maximal ATP Production (ATPmax), Exercise Testing (VO2max), Muscle Biopsy, Adipose Tissue Biopsy, Hyperinsulinemic euglycemic clamp, PET imaging
Other · Procedure
Lead sponsor
AdventHealth Translational Research Institute
Other
Eligibility
30 Years to 65 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Orlando, Florida
Conditions
Lung Cancer
Interventions
PET/CT Scan
Procedure
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Houston, Texas
Active, not recruiting Phase 2 Interventional

Xenon MRI and Progressive ILD

NCT05241275
Conditions
Idiopathic Pulmonary Fibrosis, Progressive Pulmonary Fibrosis
Interventions
Hyperpolarized 129 Xenon Gas Comparing Progressive Pulmonary Fibrosis Treatment
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Deep Vein Thrombosis, Pulmonary Embolism
Interventions
Magnetic Resonance Imaging, Bicycle Ergometry, Lab Panel, Questionnaires
Other · Behavioral
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
8 Years to 21 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Dallas, Texas
Conditions
Cerebral Cavernous Malformation
Interventions
Hyperventilation and CO2 challenge
Other
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Albuquerque, New Mexico
Completed Phase 1Phase 2 Interventional Results available

E7 TCR T Cells for Human Papillomavirus-Associated Cancers

NCT02858310
Conditions
Papillomavirus Infections, Cervical Intraepithelial Neoplasia, Carcinoma In Situ, Vulvar Neoplasms, Vulvar Diseases
Interventions
E7 TCR cells, Aldesleukin, Fludarabine, Cyclophosphamide, EKG, Biopsy, Chest CT and MRI or PET, PFT, Granisetron, Ondansetron, Droperidol, Prochlorperazine, Diphenoxylate HCL, Atropine sulfate, Codeine sulfate, Loperamide, Indomethacin, Acetaminophen, Diphenhydramine HCL, Hydroxyzine HCL, Meperidine
Biological · Drug · Diagnostic Test + 1 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 120 Years
Enrollment
224 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
2
States / cities
Bethesda, Maryland • New Brunswick, New Jersey