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ClinicalTrials.gov public records Last synced Sep 11, 2026, 1:30 PM EDT

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Showing 1–24 of 97 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Lung-function spirometry test Clear all
Recruiting No phase listed Observational Accepts healthy volunteers

Lung Macrophage Populations and Functions in Chronic Obstructive Pulmonary Disease (COPD)-Susceptible Smokers

NCT04722835
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Sep 11, 2026, 1:30 PM EDT
Completed Phase 1 Interventional Results available

Tofacitinib Hypothesis-generating, Pilot Study for Corticosteroid-Dependent Sarcoidosis

NCT03793439
View directory record Official record
Conditions
Sarcoidosis, Pulmonary, Sarcoidosis Lung, Sarcoidosis
Interventions
Tofacitinib 5mg Oral Tablet [Xeljanz] 16 week trial, Spirometry, RNA Sequencing, Laboratory testing, Corticosteroid, Tofacitinib 5mg [Xeljanz] 1 year open-label extension
Drug · Diagnostic Test · Genetic
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 89 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Feb 17, 2022 · Synced Sep 11, 2026, 1:30 PM EDT
Active, not recruiting No phase listed Observational

Long Term Follow up of Children Enrolled in the REDvent Study

NCT03709199
View directory record Official record
Conditions
Respiratory Distress Syndrome, Adult, Ventilator-Induced Lung Injury, Neurocognitive Dysfunction, Quality of Life, Respiration Disorders
Interventions
Ventilation Inhomogeneity, Diaphragm Ultrasound, Respiratory Inductance Plethysmography, Spirometry, Functional Residual Capacity, MIP/MEP, 6 minute walk test, Neurocognitive Testing, Emotional Health Assessment, Health Related Quality of Life, Functional Status, Respiratory Status Questionnaire
Diagnostic Test
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
1 Month to 18 Years
Enrollment
176 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 16, 2025 · Synced Sep 11, 2026, 1:30 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Cough and Swallow Rehab Following Stroke

NCT01907321
View directory record Official record
Conditions
Ischemic Stroke
Interventions
Expiratory muscle strength training, Placebo expiratory training, Measures performed on all subjects, Pulmonary function test, Fluoroscopic swallow study
Behavioral · Drug · Radiation
Lead sponsor
University of Florida
Other
Eligibility
50 Years to 85 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
2
States / cities
Gainesville, Florida • Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 26, 2017 · Synced Sep 11, 2026, 1:30 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Temple Health Chest Initiative (THCI 2.0)

NCT06933758
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease (COPD)
Interventions
Determine COPD prevalence utilizing spirometry along with CT scans and symptom assessments in the THCI lung cancer screening populatio
Diagnostic Test
Lead sponsor
Temple University
Other
Eligibility
50 Years to 80 Years
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 17, 2025 · Synced Sep 11, 2026, 1:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Effect of Postoperative Incentive Spirometry on Pulmonary Function and Pulmonary Complications in Bariatric Surgery

NCT02431455
View directory record Official record
Conditions
Obesity, Morbid, Complications of Bariatric Procedures, Pulmonary Atelectasis, Pneumonia
Interventions
Incentive spirometer, No incentive spirometer
Device
Lead sponsor
Lahey Clinic
Other
Eligibility
18 Years and older
Enrollment
224 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Burlington, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 24, 2016 · Synced Sep 11, 2026, 1:30 PM EDT
Completed Not applicable Interventional Results available

Uncontrolled Lower Respiratory Symptoms in the WTC Survivor Program

NCT02024204
View directory record Official record
Conditions
Lung Diseases, Medication Compliance
Interventions
Fluticasone propionate 230mcg for 3 Months, Current Treatment or no treatment, Salmeterol 21mcg for 3 Months
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 75 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 1, 2021 · Synced Sep 11, 2026, 1:30 PM EDT
Recruiting Not applicable Interventional

Effects of Lung Volume on Upper Airway Patency During Drug Induced Sleep Endoscopy

NCT05350332
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Negative Pressure Ventilator, Pulmonary Function Testing (PFT), Transcutaneous Phrenic Nerve Stimulation, Percutaneous Phrenic Nerve Stimulation
Device
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
151 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 25, 2026 · Synced Sep 11, 2026, 1:30 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Advancing Prevention of Pulmonary Fibrosis

NCT04564183
View directory record Official record
Conditions
IPF, Pulmonary Fibrosis, ILD
Interventions
Sample collection, Questionnaires, High resolution CT scan of the chest, Pulmonary Function Test
Other · Radiation · Diagnostic Test
Lead sponsor
University of Colorado, Denver
Other
Eligibility
40 Years to 75 Years
Enrollment
800 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 24, 2025 · Synced Sep 11, 2026, 1:30 PM EDT
Completed No phase listed Observational

Cough in Reduced True Vocal Fold Mobility

NCT02407301
View directory record Official record
Conditions
Unilateral Vocal Cord Paresis, Unilateral Vocal Cord Paralysis
Interventions
cough airflow measure, vocal tasks, true vocal fold movement, spirometry test, maximum expiratory pressure (MEP)
Other
Lead sponsor
University of Florida
Other
Eligibility
40 Years to 75 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
2
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated May 12, 2016 · Synced Sep 11, 2026, 1:30 PM EDT
Not listed No phase listed Observational

Interstitial Lung Disease in Early Rheumatoid Arthritis

NCT03977415
View directory record Official record
Conditions
Rheumatoid Arthritis, Interstitial Lung Disease
Interventions
Not listed
Lead sponsor
National Jewish Health
Other
Eligibility
18 Years to 90 Years
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 5, 2019 · Synced Sep 11, 2026, 1:30 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Study of the Inflammation and Airway Changes That Occur After Exposure to Allergen in Asthmatics

NCT02230189
View directory record Official record
Conditions
Asthma
Interventions
Segmental airway allergen challenge, Bronchoscopy, Methacholine challenge test, Spirometry, Allergen skin prick test
Biological · Procedure · Diagnostic Test
Lead sponsor
Prescott Woodruff
Other
Eligibility
18 Years to 50 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 15, 2022 · Synced Sep 11, 2026, 1:30 PM EDT
Completed No phase listed Observational Results available

Evaluation of Lung Function and Symptoms in Patients Diagnosed With Chronic Obstructive Pulmonary Disease (COPD) on Long-Acting Bronchodilator Monotherapy

NCT00791518
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
No intervention
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
40 Years and older
Enrollment
1,084 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
57
States / cities
Birmingham, Alabama • Tucson, Arizona • Little Rock, Arkansas + 51 more
Source: ClinicalTrials.gov public record
Updated Jul 29, 2014 · Synced Sep 11, 2026, 1:30 PM EDT
Completed Phase 2 Interventional Results available

Dexamethasone Dyspnea Study

NCT01670097
View directory record Official record
Conditions
Advanced Cancers, Hematologic Disorder, Solid Tumors
Interventions
Dexamethasone, Placebo, Questionnaires, Spirometer, Phone Calls
Drug · Behavioral · Device + 1 more
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2021
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 16, 2021 · Synced Sep 11, 2026, 1:30 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Image and Model Based Analysis of Lung Disease

NCT03764163
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
Pulmonary Function Test, CT Scans, Questionnaires, MRI, Xenon gas
Diagnostic Test · Behavioral · Biological
Lead sponsor
Eric A. Hoffman
Other
Eligibility
20 Years to 89 Years
Enrollment
341 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1997 – 2015
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jan 21, 2019 · Synced Sep 11, 2026, 1:30 PM EDT
Completed Phase 1Phase 2 Interventional

Vitamin D Deficiency and Replacement on Pulmonary and Endocrine Function in SCI

NCT02099955
View directory record Official record
Conditions
Spinal Cord Injury, Vitamin D Deficiency
Interventions
Vitamin D3
Drug
Lead sponsor
James J. Peters Veterans Affairs Medical Center
Federal
Eligibility
18 Years to 75 Years
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Mar 6, 2017 · Synced Sep 11, 2026, 1:30 PM EDT
Completed No phase listed Observational

Diagnostic Accuracy Of Forced Oscillation Technique To Detect Lung Function Anomalies

NCT04006964
View directory record Official record
Conditions
Respiratory Disease
Interventions
Resmon PRO FULL v2
Device
Lead sponsor
Restech Srl
Industry
Eligibility
3 Years and older
Enrollment
579 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
2
States / cities
Los Angeles, California • Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Nov 2, 2022 · Synced Sep 11, 2026, 1:30 PM EDT
Active, not recruiting Phase 4 Interventional

Hyperpolarized Imaging for New Treatments

NCT04259970
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Initiation of CFTR Modulator
Drug
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
6 Years to 18 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
3
States / cities
Cincinnati, Ohio • Charlottesville, Virginia • Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jan 6, 2026 · Synced Sep 11, 2026, 1:30 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Repeatability in Hyperpolarized 3-Helium With MRI

NCT03776747
View directory record Official record
Conditions
Radiation Exposure
Interventions
Prone hyperpolarized 3 helium gas scan, Supine hyperpolarized 3 helium gas scan, Vitals, Pulmonary Function Tests, Initial protocol MRI scan
Drug · Diagnostic Test
Lead sponsor
Eric A. Hoffman
Other
Eligibility
18 Years to 90 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Oct 31, 2023 · Synced Sep 11, 2026, 1:30 PM EDT
Recruiting Not applicable Interventional

Evaluation of Gender-Affirming Treatments on Pulmonary Function in Transgender and Gender Diverse Patients

NCT05587751
View directory record Official record
Conditions
Hormonal Gender-Affirming Therapy
Interventions
Spirometry, Plethysmography
Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
14 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 17, 2026 · Synced Sep 11, 2026, 1:30 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Evaluate Long Term Cardiovascular and Pulmonary Complications After COVID-19 With Point of Care Ultrasound

NCT04756193
View directory record Official record
Conditions
Covid19, Echocardiography, Ultrasound
Interventions
Point of care ultrasound including echocardiography, lung ultrasound, vascular ultrasound
Diagnostic Test
Lead sponsor
University of Louisville
Other
Eligibility
18 Years and older
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Oct 29, 2024 · Synced Sep 11, 2026, 1:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Study of Novel Smoking Cessation Interventions in Current and Former Injection Drug Users

NCT01334736
View directory record Official record
Conditions
Tobacco Dependence
Interventions
Usual care, Lung age, Contingency Management, Lung age + Contingency Management
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 21, 2017 · Synced Sep 11, 2026, 1:30 PM EDT
Completed No phase listed Observational Results available

Airway Limitation Study: Study In Primary Care Centers Of Chronic Bronchitis In Long-Term Cigarette Smokers Of At Least 40 Years Of Age With Symptoms Of Cough And Shortness Of Breath

NCT00442468
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
Non-interventional study.
Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
40 Years and older
Enrollment
1,283 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
47
States / cities
Highlands Ranch, Colorado • Wheat Ridge, Colorado • Clearwater, Florida + 43 more
Source: ClinicalTrials.gov public record
Updated Jan 9, 2013 · Synced Sep 11, 2026, 1:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Cardiac Function and Metabolism in Young Adults Born Premature (PET-MRI)

NCT03245723
View directory record Official record
Conditions
Infant,Premature
Interventions
Pulmonary Function Testing, Electrocardiogram, Positron Emission Tomography, Magnetic Resonance Imaging
Procedure
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 35 Years
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Feb 3, 2021 · Synced Sep 11, 2026, 1:30 PM EDT