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ClinicalTrials.gov public records Last synced Sep 27, 2026, 9:09 PM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Respiratory Physiology Clear all
Completed Phase 3 Interventional Results available

Trial of Late Surfactant for Prevention of Bronchopulmonary Dysplasia

NCT01022580
View directory record Official record
Conditions
Bronchopulmonary Dysplasia
Interventions
Infasurf surfactant (ONY, Inc.), Sham (No Treatment)
Drug
Lead sponsor
Roberta Ballard
Other
Eligibility
7 Days to 14 Days
Enrollment
511 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
21
States / cities
Little Rock, Arkansas • Berkeley, California • Oakland, California + 15 more
Source: ClinicalTrials.gov public record
Updated May 12, 2021 · Synced Sep 27, 2026, 9:09 PM EDT
Completed Phase 3 Interventional Results available

A Phase 3 Study of VX-121 Combination Therapy in Participants With Cystic Fibrosis (CF) Heterozygous for F508del and a Minimal Function Mutation (F/MF)

NCT05033080
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
VX-121/TEZ/D-IVA, ELX/TEZ/IVA, IVA, Placebo (matched to VX-121/TEZ/D-IVA), Placebo (matched to ELX/TEZ/IVA), Placebo (matched to IVA)
Drug
Lead sponsor
Vertex Pharmaceuticals Incorporated
Industry
Eligibility
12 Years and older
Enrollment
435 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
69
States / cities
Birmingham, Alabama • Tucson, Arizona • Little Rock, Arkansas + 61 more
Source: ClinicalTrials.gov public record
Updated Oct 2, 2024 · Synced Sep 27, 2026, 9:09 PM EDT
Completed No phase listed Observational

VCSIP Follow-up Study

NCT03203603
View directory record Official record
Conditions
Asthma, Pulmonary Function, Wheezing, In Utero Nicotine
Interventions
No active intervention
Other
Lead sponsor
Oregon Health and Science University
Other
Eligibility
6 Months to 4 Years
Enrollment
242 participants
Timeline
2017 – 2024
U.S. locations
2
States / cities
Indianapolis, Indiana • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 24, 2025 · Synced Sep 27, 2026, 9:09 PM EDT
Completed Phase 4 Interventional Results available

The Effect of Dupilumab on Lung Inflammation and Related Changes in Airway Volumes Detectable by Functional Respiratory Imaging in Patients With Moderate-severe Asthma

NCT04400318
View directory record Official record
Conditions
Asthma
Interventions
Dupilumab, Placebo
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years to 70 Years
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
10
States / cities
Westminster, California • Kansas City, Kansas • Ann Arbor, Michigan + 6 more
Source: ClinicalTrials.gov public record
Updated Sep 8, 2025 · Synced Sep 27, 2026, 9:09 PM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

WTC Chest CT Imaging Archive

NCT03295279
View directory record Official record
Conditions
Chronic Airway Disease, Interstitial Lung Disease, Lung Cancer
Interventions
Not listed
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
2,122 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Sep 27, 2026, 9:09 PM EDT
Recruiting Phase 3 Interventional

Depemokimab Asthma Imaging and Bronchoscopy Sub-Study

NCT06979323
View directory record Official record
Conditions
Asthma
Interventions
Depemokimab
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
9
States / cities
Brooksville, Florida • Plantation, Florida • Kansas City, Kansas + 6 more
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Sep 27, 2026, 9:09 PM EDT
Terminated Not applicable Interventional Results available

Effect of Upper Airway Stimulation on Vascular Function in Obstructive Sleep Apnea

NCT03051165
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Hypoglossal Nerve Stimulation Treatment Withdrawal
Device
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Dec 10, 2018 · Synced Sep 27, 2026, 9:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Cardiopulmonary Responses to Exposure to Ozone and Diesel Exhaust

NCT01874834
View directory record Official record
Conditions
Respiratory Depression, Blood Pressure
Interventions
ozone
Other
Lead sponsor
Environmental Protection Agency (EPA)
Federal
Eligibility
18 Years to 55 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 10, 2013 · Synced Sep 27, 2026, 9:09 PM EDT
Completed Phase 3 Interventional Results available

Revefenacin Peak Inspiratory Flow Rate (PIFR) Study in COPD

NCT03095456
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease, COPD, Low Peak Inspiratory Flow Rate (PIFR)
Interventions
Revefenacin, Spiriva Handihaler®, Placebo for Revefenacin, Placebo for Spiriva Handihaler®
Drug · Combination Product
Lead sponsor
Mylan Inc.
Industry
Eligibility
40 Years and older
Enrollment
207 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Rock Hill, South Carolina
Source: ClinicalTrials.gov public record
Updated Feb 23, 2022 · Synced Sep 27, 2026, 9:09 PM EDT
Completed No phase listed Observational

AL1TER™: Alpha-1 Therapy, Evaluation, and Research Patient Registry

NCT01974830
View directory record Official record
Conditions
Alpha-1 Anti-trypsin Deficiency
Interventions
Not listed
Lead sponsor
Coram Clinical Trials
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
1
States / cities
Centennial, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 22, 2019 · Synced Sep 27, 2026, 9:09 PM EDT
Not yet recruiting Not applicable Interventional

WearME-Pro Phase II: Remote Use Usability and Longitudinal Validation Study (Patch Form Factor).

NCT07430605
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease (COPD)
Interventions
WearME-Pro Patch System, FDA-cleared handheld spirometer (reference comparator), Cardea SOLO ECG patch (optional subset; exploratory HR reference)
Device
Lead sponsor
LASARRUS Clinic and Research Center
Industry
Eligibility
21 Years and older
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
3
States / cities
Baltimore, Maryland • Salisbury, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 23, 2026 · Synced Sep 27, 2026, 9:09 PM EDT
Completed No phase listed Observational

Novel Echocardiographic Methods for Early Identification of Neonates at Risk for Chronic Pulmonary Hypertension

NCT04402645
View directory record Official record
Conditions
Pulmonary Hypertension, Infant, Premature
Interventions
Not listed
Lead sponsor
Mount Sinai Hospital, Canada
Other
Eligibility
14 Days and older
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jun 13, 2024 · Synced Sep 27, 2026, 9:09 PM EDT
Completed Phase 2 Interventional Results available

An Efficacy and Safety Study of Mitiperstat (AZD4831) (MPO Inhibitor) vs Placebo in the Treatment of Moderate to Severe COPD.

NCT05492877
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease (COPD)
Interventions
Mitiperstat (AZD4831), Placebo
Drug · Other
Lead sponsor
AstraZeneca
Industry
Eligibility
40 Years to 80 Years
Enrollment
381 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
19
States / cities
Newport Beach, California • Clearwater, Florida • DeLand, Florida + 16 more
Source: ClinicalTrials.gov public record
Updated Aug 28, 2025 · Synced Sep 27, 2026, 9:09 PM EDT
Completed Phase 2 Interventional

Glutamine Supplementation in Cystic Fibrosis

NCT01051999
View directory record Official record
Conditions
Cystic Fibrosis, Immune Function
Interventions
Glutamine, L-alanine
Dietary Supplement
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 13, 2015 · Synced Sep 27, 2026, 9:09 PM EDT
Completed No phase listed Observational

Pulmonary Function Changes in 10 Pack Year Smokers With Chronic Bronchitis

NCT00454675
View directory record Official record
Conditions
Chronic Bronchitis, COPD
Interventions
Not listed
Lead sponsor
Westside Family Medical Center, P.C.
Other
Eligibility
40 Years to 80 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Kalamazoo, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 14, 2008 · Synced Sep 27, 2026, 9:09 PM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

129Xe MRI Cardiopulmonary

NCT06038630
View directory record Official record
Conditions
Interstitial Lung Disease, Chronic Thromboembolic Pulmonary Hypertension, Acute Pulmonary Embolism, Anemia, Polycythemia, Dyspnea
Interventions
Hyperpolarized Xe129, Oxygen Administration
Drug · Other
Lead sponsor
Bastiaan Driehuys
Other
Eligibility
18 Years and older
Enrollment
125 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 3, 2026 · Synced Sep 27, 2026, 9:09 PM EDT
Terminated Phase 4 Interventional Results available

The Combination Ambrisentan Plus Spironolactone in Pulmonary Arterial Hypertension Study

NCT02253394
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Ambrisentan plus Spironolactone, Ambrisentan plus Placebo
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 14, 2019 · Synced Sep 27, 2026, 9:09 PM EDT
Recruiting No phase listed Observational

Understanding New Cachexia Subtypes Through Observational Epidemiological Research

NCT07776353
View directory record Official record
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
Interventions
Biospecimen Collection, Computed Tomography, Electronic health record review, Medical Device Usage and Evaluation, Physical functions assessments, Positron Emission Tomography (PET), Survey Administration
Procedure · Other
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years and older
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Pleasanton, California
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Sep 27, 2026, 9:09 PM EDT
Completed Phase 2 Interventional Results available

Trikafta in Cystic Fibrosis Patients

NCT03506061
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Trikafta
Drug
Lead sponsor
Emory University
Other
Eligibility
12 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
2
States / cities
Birmingham, Alabama • Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 10, 2026 · Synced Sep 27, 2026, 9:09 PM EDT
Terminated Phase 2 Interventional Results available

A Pilot Study of Danirixin for Disease Progression in Chronic Obstructive Pulmonary Disease (COPD)

NCT03170232
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
Danirixin 35 mg tablets, Placebo, Metered dose inhaler (MDI) sensor device, Rescue medication
Drug · Device
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
40 Years to 76 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
11
States / cities
Birmingham, Alabama • San Diego, California • Torrance, California + 8 more
Source: ClinicalTrials.gov public record
Updated Jul 30, 2020 · Synced Sep 27, 2026, 9:09 PM EDT
Withdrawn Early Phase 1 Interventional

Comparison of 133Xe Scintigraphy With 19F MRI

NCT03532334
View directory record Official record
Conditions
Lung Diseases
Interventions
Perfluorinated Gas/Oxygen Mixture
Diagnostic Test
Lead sponsor
Hal C Charles
Other
Eligibility
18 Years to 99 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 23, 2018 · Synced Sep 27, 2026, 9:09 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Learn About How Loss of Liver Function Affects the Blood Levels of the Study Medicine Called PF-07817883.

NCT05884554
View directory record Official record
Conditions
COVID-19
Interventions
PF-07817883
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 75 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
6
States / cities
Anaheim, California • Garden Grove, California • Montclair, California + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Sep 27, 2026, 9:09 PM EDT
Completed No phase listed Observational

Dietary Intake in Adults From the GA2LEN Folow-up Survey

NCT03251157
View directory record Official record
Conditions
Asthma, Lung Function Decreased, Food Allergy, Allergic Sensitisation, Allergic Rhinitis, COPD, Atopy
Interventions
Dietary intake of various nutrients, foods and biocompounds
Other
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
15 Years to 75 Years
Enrollment
3,500 participants
Timeline
2007 – 2010
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 15, 2017 · Synced Sep 27, 2026, 9:09 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Study to Assess the Changes in Blood Clotting Factors and Blood Vessel Wall Function in Obstructive Sleep Apnea

NCT00936481
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Not listed
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 24, 2013 · Synced Sep 27, 2026, 9:09 PM EDT