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Showing 49–72 of 189 matching trials from the live ClinicalTrials.gov search.
Conditions
Cardiovascular Diseases, Oxidative Stress, Endothelial Dysfunction
Interventions
Nitrogen Gas for Inhalation, Blood withdrawal, Nitric Oxide
Drug · Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Alternate Methodology of Pulse Oximeter Validation

NCT03628560
Conditions
Hypoxemia, Desaturation of Blood
Interventions
RespirAct Step-Wise Normocapnia desaturation sequence, RespirAct Slope Normocapnia desaturation sequence, RespirAct Step-Wise Hypocapnia desaturation sequence, RespirAct Slope Hypocapnia desaturation sequence, ROBD Step-Wise desaturation sequence
Device
Lead sponsor
Duke University
Other
Eligibility
18 Years to 50 Years
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Durham, North Carolina
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of High Velocity/Hyperoxic Breathing Therapy on Blood Lactate Decline

NCT05984186
Conditions
Dyspnea, Lactic Acidosis, Muscle, Breathlessness, Exercise, Recovery
Interventions
High Velocity Therapy
Device
Lead sponsor
Vapotherm, Inc.
Industry
Eligibility
18 Years to 30 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Auburn, Alabama
Completed No phase listed Observational Accepts healthy volunteers

Study of T-Regulatory Cells in Asthma

NCT02574351
Conditions
Asthma
Interventions
blood draw, breathing test
Biological
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
New Hyde Park, New York
Completed No phase listed Observational Accepts healthy volunteers Results available

Diagnostic Device for the Assessment of Pulpal Blood Flow

NCT03578549
Conditions
Dental Pulp Test
Interventions
Pulse Oximetry
Device
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Ann Arbor, Michigan
Completed No phase listed Observational Results available

Pilot Study Assessing Oxidative Stress in Children

NCT01052207
Conditions
Adrenal Insufficiency, Critical Illness
Interventions
Not listed
Lead sponsor
Emory University
Other
Eligibility
1 Day to 18 Years
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Atlanta, Georgia
Recruiting No phase listed Observational

The APS Phenotyping Study

NCT06521502
Conditions
ARDS, Sepsis, Pneumonia
Interventions
Blood collection, Urine Collection, Nasal, oral, and rectal swabs, Stool collection, Heat Moisture Exchange Filter collection, Tracheal Aspirate sample collection, Non-bronchoscopic bronchoalveolar lavage (NBBAL), Surveys, Short physical performance battery, Hand grip strength, CNS Vital Signs, Muscle Ultrasound, Muscle Strength, Spirometry, Lung Diffusion Testing (DLCO), Chest CT Scan
Other · Procedure · Radiation
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
4,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
20
States / cities
Fresno, California • Palo Alto, California • San Francisco, California + 12 more
Conditions
Copd, Smoking, Tobacco Use
Interventions
Bronchoscopy with Bronchoalveolar Lavage (BAL)
Procedure
Lead sponsor
University of California, San Francisco
Other
Eligibility
40 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2030
U.S. locations
3
States / cities
San Francisco, California
Recruiting Not applicable Interventional Accepts healthy volunteers

Examining Bronchial Hyperresponsiveness in Primary Ciliary Dyskinesia

NCT07288827
Conditions
Primary Ciliary Dyskinesia, Healthy
Interventions
Lung Function Testing, Phlebotomy, Allergy skin prick testing, Methacholine Challenge
Procedure
Lead sponsor
Indiana University
Other
Eligibility
6 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Indianapolis, Indiana
Conditions
Chronic GVHD
Interventions
Ibrutinib, ECG, PFT's, CT, Steroid pulse (prednisone), Voriconazole, Posaconazole, Azithromycin, Montelukast, Budesonide, Beclomethasone, Filgrastim, Pegfilgrastim, Erythropoietin, Transfusions, Oral/Skin biopsy
Drug · Diagnostic Test · Other + 1 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
2
States / cities
Bethesda, Maryland • St Louis, Missouri
Completed Phase 1 Interventional Accepts healthy volunteers

13C-Pyruvate Breath Test

NCT01807702
Conditions
Healthy
Interventions
13C-Pyruvate 13C-lactate and dichloroacetate
Drug
Lead sponsor
University of Florida
Other
Eligibility
21 Years to 50 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
Hypoxia, Desaturation of Blood
Interventions
Non-Invasive Controlled Hypoxia, Introduction of Motion conditions: tapping or rubbing
Device · Other
Lead sponsor
Medtronic - MITG
Industry
Eligibility
18 Years to 50 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Louisville, Colorado
Conditions
Acute Lymphoblastic Leukemia, Acute Myeloid Leukemia, Hematopoietic and Lymphoid Cell Neoplasm, Hodgkin Lymphoma, Myelodysplastic Syndrome, Non-Hodgkin Lymphoma, Plasma Cell Myeloma
Interventions
Bioelectric Impedance Analysis, Biospecimen Collection, Cardiopulmonary Exercise Testing, Echocardiography, Physical Performance Testing, Pulmonary Function Test, Questionnaire Administration, Ultrasound
Procedure · Other
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years and older
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Duarte, California
Active, not recruiting No phase listed Observational

Nashville Early Diagnosis Lung Cancer Project

NCT01475500
Conditions
Lung Cancer
Interventions
Sputum sample, Pulmonary function tests, Computerized tomography (CT) scan of the chest, Buccal epithelium collection, Nasal brushings, Bronchoscopy, Bronchoalveolar lavage, Blood sample collection, Urine sample, Questionnaire-data collection
Procedure · Radiation · Other
Lead sponsor
Vanderbilt-Ingram Cancer Center
Other
Eligibility
55 Years to 80 Years
Enrollment
480 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2026
U.S. locations
2
States / cities
Nashville, Tennessee
Conditions
Respiratory Control in Premature Infants
Interventions
Bedside Physiology study, Carotid Body Function Test, Room Air Challenge, Hypoxia Challenge Test, Effects of Nasal Cannula Flow, Magnetic Resonance Imaging, Echocardiogram, Blood Sample
Other · Diagnostic Test
Lead sponsor
Washington University School of Medicine
Other
Eligibility
1 Day to 28 Days
Enrollment
177 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Lung Carcinoma
Interventions
Accelerometry, Aerobic Exercise, Biospecimen Collection, Educational Intervention, Electronic Health Record Review, Physical Performance Testing, Respiratory Muscle Training, Supportive Care, Survey Administration
Procedure · Other
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
50 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Buffalo, New York
Conditions
Prostate Adenocarcinoma, Stage IIB Prostate Cancer AJCC v8, Stage IIC Prostate Cancer AJCC v8
Interventions
Biospecimen Collection, Contrast Agent, Leuprolide, Magnetic Resonance Imaging, Physical Performance Testing, Relugolix
Procedure · Other · Drug
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years and older · Male only
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Columbus, Ohio
Conditions
Dysphagia, Achalasia
Interventions
Amyl Nitrite
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Obesity
Interventions
Dietary
Other
Lead sponsor
Banner Health
Other
Eligibility
18 Years to 50 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
2
States / cities
Gilbert, Arizona • Phoenix, Arizona
Conditions
Obese
Interventions
Treadmill Test, Strength Test, Dual-Energy X-Ray Absorptiometry, Muscle Biopsy, Fat Biopsy, Resting Energy Expenditure, Magnetic resonance imaging
Diagnostic Test · Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
20 Years to 45 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Cardiac Hypertrophy, Immunosuppression
Interventions
Cardiac MRI, Coronary angiography with IVUS, Cardiac Allograft Remodeling, M-TOR Immunosuppression, Cardiac Biopsy C4D stain, Genetic Mechanism of M-TOR, Cardiopulmonary Exercise Test (CPET)
Radiation · Procedure · Other + 2 more
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years to 70 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Omaha, Nebraska
Conditions
Localized Prostate Cancer, Active Surveillance for Prostate Cancer
Interventions
Exercise, Cardiopulmonary Exercise Test (CPET)
Behavioral · Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older · Male only
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2024
U.S. locations
1
States / cities
San Francisco, California
Conditions
Hyponatremia
Interventions
Tolvaptan, Placebo, Hepatic Encephalopathy Assessment, Quality of Life Assessment, Vital signs, Blood laboratory tests, Ascites Evaluation, Edema
Drug · Behavioral · Biological + 1 more
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
New York, New York
Conditions
Asthma, Allergies
Interventions
Bronchoscopy, Segmental Allergen Challenge and Broncheoalveolar Lavage, PET-CT imaging(13NN perfusion/ventilation, 18FDG inflammation, and CT imaging)
Biological · Procedure
Lead sponsor
Andrew D. Luster, M.D.,Ph.D.
Other
Eligibility
18 Years to 50 Years
Enrollment
168 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts