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Showing 193–216 of 576 matching trials from the live ClinicalTrials.gov search.
Recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

Chronic Lung Allograft Dysfunction MRI Study

NCT06406777
Conditions
Chronic Lung Allograft Dysfunction Lung MRI (CLAD)
Interventions
Spirometry, Contrast Lung Computed Tomography (CT) Scan, Oxygen enhanced magnetic resonance imaging (OE-MRI) Scan, 129Xe MRI scans
Diagnostic Test · Drug
Lead sponsor
Sean Fain
Other
Eligibility
18 Years to 80 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Iowa City, Iowa
Active, not recruiting Not applicable Interventional

CT for Personalized Mechanical Ventilation

NCT05977153
Conditions
Ventilator-Induced Lung Injury, Sepsis Syndrome, Mechanical Ventilation Complication
Interventions
PEEP (positive end-expiratory pressure) - maximum, PEEP (positive end-expiratory pressure) - standard
Procedure
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
New York, New York
Terminated No phase listed Observational Accepts healthy volunteers

Biomarkers in Exhaled Breath From Asthmatic Patients

NCT00635271
Conditions
Asthma
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years to 75 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Smoking Cessation, Pregnancy
Interventions
Text Messages, Incentives
Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Kansas City, Kansas
Conditions
Acute Respiratory Distress Syndrome, Ventilation Perfusion Mismatch
Interventions
Nitric Oxide
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 80 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Pulmonary Embolism (Diagnosis), Pulmonary Embolism Acute
Interventions
Additional CT acquisition at low dose (1- 2 mSv)
Diagnostic Test
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
21 Years and older
Enrollment
750 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
2
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers

Nitrate Supplementation During Final Examination Stress

NCT03159273
Conditions
Airway Disease
Interventions
Beetroot Juice Group
Dietary Supplement
Lead sponsor
Southern Methodist University
Other
Eligibility
18 Years to 50 Years
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Dallas, Texas
Recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

Hyperpolarized Xenon-129 MR Imaging of the Lung

NCT04662658
Conditions
E-Cig Use
Interventions
Hyperpolarized Xenon -129 MRI
Drug
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
Charlottesville, Virginia
Conditions
Obstructive Sleep Apnea
Interventions
Ultrasound Exam, Polysomnography
Device
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
1
States / cities
Detroit, Michigan
Conditions
Hypoxemia
Interventions
Capnography
Diagnostic Test
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
263 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Cleveland, Ohio
Conditions
Morbid Obesity
Interventions
Esophageal Balloon, Cstat
Device · Other
Lead sponsor
East Carolina University
Other
Eligibility
19 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Greenville, North Carolina
Completed Not applicable Interventional Results available

Sleep Apnea Intervention for Cardiovascular Disease Reduction

NCT01261390
Conditions
Obstructive Sleep Apnea
Interventions
Conservative Medical Therapy (CMT), Sham PAP (Sham), Active PAP with RT Support (Active-Beh), Active PAP with Behavioral Modification (Active+Beh)
Behavioral · Device
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
45 Years to 75 Years
Enrollment
169 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Asthma
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
5 Years to 17 Years
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2010
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Head and Neck Neoplasms, Deglutition Disorders
Interventions
EMST
Other
Lead sponsor
University of Wisconsin, Milwaukee
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
2
States / cities
Milwaukee, Wisconsin
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
Novel endpoint determination
Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
40 Years to 75 Years
Enrollment
2,747 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2010
U.S. locations
20
States / cities
Phoenix, Arizona • Rancho Mirage, California • Torrance, California + 15 more
Conditions
Intracranial Hypertension, Critical Illness, Brain Injuries, Lung Injury, Respiratory Failure, Positive-Pressure Respiration, Intrinsic
Interventions
PEEP titrated mechanical ventilation
Other
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Not yet recruiting Not applicable Interventional

ADINA vs. High Flow Nasal Cannula Comparison Study

NCT03171129
Conditions
Respiratory Distress Neonatal
Interventions
Adaptive Dynamic Inspiratory Nasal Apparatus, High flow Nasal Canula
Device
Lead sponsor
Loma Linda University
Other
Eligibility
23 Weeks to 40 Weeks
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Loma Linda, California
Conditions
Dysphonia, Unilateral Vocal Cord Paralysis
Interventions
Standard of care voice therapy, Expiratory muscle strength training (EMST)
Other
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Miami, Florida
Conditions
Postural Orthostatic Tachycardia Syndrome, Hypocapnia, Hyperventilation
Interventions
Chemoreflex Testing, Baroreflex testing, Orthostatic stress testing
Diagnostic Test
Lead sponsor
New York Medical College
Other
Eligibility
15 Years to 39 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Hawthorne, New York
Conditions
Bronchiolitis, Infection, Nitric Oxide
Interventions
Not listed
Lead sponsor
NYU Langone Health
Other
Eligibility
Up to 4 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Mineola, New York
Conditions
Heavy Drinking
Interventions
Active RAVANS, Brief Mindfulness-Based Intervention
Device · Behavioral
Lead sponsor
Cambridge Health Alliance
Other
Eligibility
21 Years to 29 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Malden, Massachusetts
Conditions
Infection, Alcohol Abuse, Drugs of Abuse, Lung Injury
Interventions
Characterize alcohol and drug use
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 90 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2029
U.S. locations
1
States / cities
Aurora, Colorado
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Optimization of Exhaled Biomarker Collection and Analysis

NCT05322785
Conditions
Respiratory Disease, Healthy
Interventions
Breath collection
Other
Lead sponsor
Indiana University
Other
Eligibility
4 Years to 110 Years
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2030
U.S. locations
1
States / cities
Indianapolis, Indiana
Conditions
Postoperative Respiratory Complications
Interventions
Lung protective strategy ventilation
Procedure
Lead sponsor
Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA)
Other
Eligibility
18 Years and older
Enrollment
900 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
2
States / cities
Boston, Massachusetts • Rochester, New York