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ClinicalTrials.gov public records Last synced Oct 30, 2026, 9:24 AM EDT

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Showing 49–72 of 221 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Pulmonary Function Test Clear all
Completed No phase listed Observational

Functional Lung Imaging With DECT and 4DCT

NCT04702607
View directory record Official record
Conditions
Non Small Cell Lung Cancer
Interventions
contrast enhanced 4DCT
Procedure
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 5, 2024 · Synced Oct 30, 2026, 9:24 AM EDT
Completed Not applicable Interventional Results available

Duration of Continuous Positive Airway Pressure and Pulmonary Function Testing in Preterm Infants

NCT02249143
View directory record Official record
Conditions
Respiratory Distress Syndrome, Bronchopulmonary Dysplasia
Interventions
CPAP and room air
Device
Lead sponsor
Oregon Health and Science University
Other
Eligibility
Up to 1 Year
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Aug 29, 2019 · Synced Oct 30, 2026, 9:24 AM EDT
Terminated Phase 2 Interventional

PRIMEx - A Study of 2 Doses of Oral CXA-10 in Pulmonary Arterial Hypertension (PAH)

NCT03449524
View directory record Official record
Conditions
PAH
Interventions
75mg CXA-10, 150mg CXA-10, Placebo
Drug · Other
Lead sponsor
Complexa, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
40
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 34 more
Source: ClinicalTrials.gov public record
Updated Aug 10, 2020 · Synced Oct 30, 2026, 9:24 AM 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 25, 2025 · Synced Oct 30, 2026, 9:24 AM EDT
Completed No phase listed Observational

Vitamin C Supplementation to Pregnant Smokers: Follow-up of 2 Randomized Trials Plus Changes in DNA Methylation

NCT03206710
View directory record Official record
Conditions
Asthma, Wheezing, In Utero Nicotine, Pulmonary Function
Interventions
No current intervention
Other
Lead sponsor
Oregon Health and Science University
Other
Eligibility
6 Months to 11 Years
Enrollment
395 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
2
States / cities
Indianapolis, Indiana • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 21, 2025 · Synced Oct 30, 2026, 9:24 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers Results available

Pulmonary Function Using Non-invasive Forced Oscillometry

NCT03346343
View directory record Official record
Conditions
Infant, Premature, Diseases, Infant, Newborn, Diseases, Bronchopulmonary Dysplasia, Respiratory Distress Syndrome, Newborn, Meconium Aspiration Syndrome, Transient Tachypnea of the Newborn
Interventions
Non-invasive forced airway oscillometry
Device
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
1 Day to 2 Years
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2027
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jan 27, 2026 · Synced Oct 30, 2026, 9:24 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Pollutant Altered Allergic Responses

NCT00011440
View directory record Official record
Conditions
Allergic Rhinitis, Allergy
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years to 60 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1998 – 2002
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 23, 2006 · Synced Oct 30, 2026, 9:24 AM EDT
Completed Not applicable Interventional

Evaluation of the Spiration® Valve System for Emphysema to Improve Lung Function

NCT01812447
View directory record Official record
Conditions
Emphysema
Interventions
Spiration Valve System, Medical Management
Device · Other
Lead sponsor
Olympus Corporation of the Americas
Industry
Eligibility
40 Years and older
Enrollment
172 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2022
U.S. locations
32
States / cities
Fort Smith, Arkansas • Riverside, California • San Diego, California + 28 more
Source: ClinicalTrials.gov public record
Updated May 31, 2024 · Synced Oct 30, 2026, 9:24 AM 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 16, 2017 · Synced Oct 30, 2026, 9:24 AM EDT
Withdrawn No phase listed Observational

Transfer Impedance in Cystic Fibrosis

NCT00743158
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Not listed
Lead sponsor
Boston Children's Hospital
Other
Eligibility
2 Years to 25 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 15, 2023 · Synced Oct 30, 2026, 9:24 AM EDT
Recruiting No phase listed Observational

Fitness and Lung Function Among Survivors of Heart Transplant, Leukemia and Infant BPD Through Exercise

NCT05025774
View directory record Official record
Conditions
Chronic Lung Disease, Chronic Obstructive Pulmonary Disease, Acute Lymphoblastic Leukemia, Heart Transplant
Interventions
Physical activity
Other
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
8 Years to 25 Years
Enrollment
90 participants
Timeline
2025 – 2026
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 24, 2025 · Synced Oct 30, 2026, 9:24 AM EDT
Completed No phase listed Observational

Determinants of Early Cystic Fibrosis Lung Disease

NCT03579173
View directory record Official record
Conditions
Cystic Fibrosis in Children
Interventions
Infant PFT, Lung Clearance Index, Passive tidal breathing
Diagnostic Test
Lead sponsor
Indiana University
Other
Eligibility
1 Month to 5 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jun 22, 2022 · Synced Oct 30, 2026, 9:24 AM EDT
Completed Phase 2 Interventional Results available

A Study to Test How Taking BI 1015550 for 12 Weeks Affects Lung Function in People With Idiopathic Pulmonary Fibrosis (IPF)

NCT04419506
View directory record Official record
Conditions
Idiopathic Pulmonary Fibrosis
Interventions
BI 1015550, Placebo
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
40 Years and older
Enrollment
147 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
11
States / cities
Clearwater, Florida • Gainesville, Florida • Kansas City, Kansas + 8 more
Source: ClinicalTrials.gov public record
Updated Nov 1, 2022 · Synced Oct 30, 2026, 9:24 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Pre-op Use of Incentive Spirometry in Obese Patients

NCT01004146
View directory record Official record
Conditions
Lung Function, Bariatric Surgery
Interventions
Incentive Spirometry
Procedure
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 80 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 3, 2014 · Synced Oct 30, 2026, 9:24 AM EDT
Completed Not applicable Interventional

Early Intervention in Pulmonary Exacerbation in Cystic Fibrosis

NCT00850551
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Early Intervention
Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 1, 2016 · Synced Oct 30, 2026, 9:24 AM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of Nintedanib Co-administered With Sildenafil in Idiopathic Pulmonary Fibrosis Patients With Advanced Lung Function Impairment

NCT02802345
View directory record Official record
Conditions
Idiopathic Pulmonary Fibrosis
Interventions
Nintedanib, Placebo, Sildenafil
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
40 Years and older
Enrollment
274 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
17
States / cities
Birmingham, Alabama • Stamford, Connecticut • Jacksonville, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Jan 11, 2019 · Synced Oct 30, 2026, 9:24 AM EDT
Completed No phase listed Observational

Effects of Marijuana Used on Lung Function in Persons With Chronic Obstructive Pulmonary Disease (COPD)

NCT01096303
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Not listed
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
25 Years to 90 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
2
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 15, 2017 · Synced Oct 30, 2026, 9:24 AM EDT
Terminated Phase 1 Interventional

Safety, Tolerability and Preliminary Efficacy of Adipose Derive Stem Cells for Patients With COPD

NCT02161744
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
ADSCs administration
Biological
Lead sponsor
Arkansas Heart Hospital
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
2
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Jan 27, 2020 · Synced Oct 30, 2026, 9:24 AM EDT
Recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

Chronic Lung Allograft Dysfunction MRI Study

NCT06406777
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 6, 2026 · Synced Oct 30, 2026, 9:24 AM EDT
Recruiting No phase listed Observational

Effectiveness of the WearME System for COPD Severity and Respiratory Function

NCT06751537
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease (COPD)
Interventions
Not listed
Lead sponsor
LASARRUS Clinic and Research Center
Industry
Eligibility
21 Years to 100 Years
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
2
States / cities
Baltimore, Maryland • Salisbury, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 9, 2025 · Synced Oct 30, 2026, 9:24 AM EDT
Completed Phase 4 Interventional

Zileuton and Exhaled Nitric Oxide in Asthmatics

NCT00575861
View directory record Official record
Conditions
Asthma
Interventions
zileuton
Drug
Lead sponsor
Gelb, Arthur F., M.D.
Individual
Eligibility
21 Years to 80 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Lakewood, California
Source: ClinicalTrials.gov public record
Updated Dec 20, 2007 · Synced Oct 30, 2026, 9:24 AM 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 4, 2021 · Synced Oct 30, 2026, 9:24 AM EDT
Terminated Phase 2 Interventional

CXA-10 Study in Subjects With Pulmonary Arterial Hypertension

NCT04053543
View directory record Official record
Conditions
PAH
Interventions
CXA-10
Drug
Lead sponsor
Complexa, Inc.
Industry
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
31
States / cities
Birmingham, Alabama • Tucson, Arizona • Anaheim, California + 27 more
Source: ClinicalTrials.gov public record
Updated Aug 26, 2020 · Synced Oct 30, 2026, 9:24 AM EDT
Active, not recruiting Phase 2 Interventional

Effect of Pulmonary Rehabilitation on Surgical Outcomes in the Cancer Setting

NCT00618553
View directory record Official record
Conditions
Lung Cancer
Interventions
Questionnaire, Pulmonary Rehabilitation
Other · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Not listed
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2028
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Oct 30, 2026, 9:24 AM EDT