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ClinicalTrials.gov public records Last synced Oct 28, 2026, 1:41 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

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

User-Friendly Spirometer and Mobile App for Self-Management and Home Monitoring of Asthma Patients

NCT03642418
View directory record Official record
Conditions
Asthma Acute, Asthma in Children, Asthma Chronic, Asthma Attack
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
6 Years to 15 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 15, 2020 · Synced Oct 28, 2026, 1:41 AM EDT
Active, not recruiting Not applicable Interventional

Impact of Diaphragmatic Breathing Coaching on Deep Inspiration Breath Hold Reproducibility and Organ Protection

NCT06747533
View directory record Official record
Conditions
Breathing, Mouth
Interventions
CT simulation
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 22, 2026 · Synced Oct 28, 2026, 1:41 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Respiratory Effects of Obesity in Children

NCT03376880
View directory record Official record
Conditions
Childhood Obesity
Interventions
1 year follow-up testing
Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
8 Years to 12 Years
Enrollment
123 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2024
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Oct 28, 2026, 1:41 AM EDT
Recruiting Not applicable Interventional

Incentive Spirometry to Improve Outcomes in Lung Cancer Patients Undergoing Concurrent Chemotherapy and Radiation Therapy

NCT06688422
View directory record Official record
Conditions
Lung Cancer, Pneumonitis, Radiation-Induced Lung Injury, Immunotherapy-Induced Pneumonitis, Non-Small-Cell Lung Cancer (NSCLC)
Interventions
incentive spirometry
Device
Lead sponsor
The Cooper Health System
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Camden, New Jersey
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Oct 28, 2026, 1:41 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

The Effects of Exercise on Immune Phenotype of Indolent Non-Hodgkin Lymphoma and Chronic Lymphocytic Leukemia Patients

NCT05876923
View directory record Official record
Conditions
Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma, Indolent Non-hodgkin Lymphoma
Interventions
Biospecimen Collection, Cardiopulmonary Exercise Testing, Dual X-ray Absorptiometry, Electronic Health Record Review, Exercise Intervention, Physical Examination, Questionnaire Administration, Spirometry, Physical Performance Testing, Best Practice
Procedure · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 80 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
2
States / cities
Scottsdale, Arizona • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 9, 2026 · Synced Oct 28, 2026, 1:41 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Examining Bronchial Hyperresponsiveness in Primary Ciliary Dyskinesia

NCT07288827
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 17, 2025 · Synced Oct 28, 2026, 1:41 AM EDT
Completed No phase listed Observational

Close Assessment and Testing for Chronic Graft Versus Host Disease, CATCH Study

NCT04188912
View directory record Official record
Conditions
Hematopoietic and Lymphoid Cell Neoplasm
Interventions
Biospecimen Collection, Optical Coherence Tomography, Spirometry, Survey Administration, Digital Photography, Quality-of-Life Assessment, Medical Chart Review
Procedure · Other
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
267 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
7
States / cities
Gainesville, Florida • Tampa, Florida • Bethesda, Maryland + 4 more
Source: ClinicalTrials.gov public record
Updated Oct 2, 2025 · Synced Oct 28, 2026, 1:41 AM 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 10, 2013 · Synced Oct 28, 2026, 1:41 AM EDT
Completed Phase 2 Interventional

24hr Effects of Tiotropium Bromide in Tetraplegia

NCT02586649
View directory record Official record
Conditions
Spinal Cord Injury
Interventions
Tiotropium Bromide, Placebo
Drug
Lead sponsor
James J. Peters Veterans Affairs Medical Center
Federal
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 16, 2020 · Synced Oct 28, 2026, 1:41 AM 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 6, 2019 · Synced Oct 28, 2026, 1:41 AM EDT
Recruiting No phase listed Observational

Vitamin C to Decrease Effects of Smoking in Pregnancy on Infant Lung Function (VCSIP) Longer Term Follow Up

NCT06106646
View directory record Official record
Conditions
Asthma, Pulmonary Function, Wheezing, In Utero Nicotine
Interventions
No active intervention in this protocol (previously randomized to Vitamin C), No active intervention in this protocol (previously randomized to Placebo)
Dietary Supplement · Other
Lead sponsor
Oregon Health and Science University
Other
Eligibility
6 Years to 16 Years
Enrollment
225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
2
States / cities
Indianapolis, Indiana • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 18, 2025 · Synced Oct 28, 2026, 1:41 AM EDT
Completed No phase listed Observational

Vascular Aging in Flight Attendants With Occupational Secondhand Smoke Exposure

NCT02795624
View directory record Official record
Conditions
Vascular Aging, Secondhand Smoking
Interventions
Spirometry, Pulse Wave Analysis, Peripheral arterial tonometry
Procedure
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
40 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 23, 2021 · Synced Oct 28, 2026, 1:41 AM EDT
Completed No phase listed Observational

Asthma and Osteopathic Manipulative Treatment

NCT03864354
View directory record Official record
Conditions
Asthma
Interventions
Osteopathic Manipulative Treatment
Procedure
Lead sponsor
Des Moines University
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Des Moines, Iowa
Source: ClinicalTrials.gov public record
Updated Mar 6, 2019 · Synced Oct 28, 2026, 1:41 AM EDT
Completed No phase listed Observational

Changes in Lung Function Based on Differences in Spirometry Equipment Used in Children With Cystic Fibrosis

NCT01343524
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Not listed
Lead sponsor
State University of New York - Upstate Medical University
Other
Eligibility
4 Years to 21 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Jan 5, 2012 · Synced Oct 28, 2026, 1:41 AM 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 27, 2017 · Synced Oct 28, 2026, 1:41 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

A Longitudinal, Observational Study of Primary Ciliary Dyskinesia in Adults

NCT05685186
View directory record Official record
Conditions
Primary Ciliary Dyskinesia
Interventions
Spirometry, Multiple Breath Washout (MBW), Mucociliary Clearance (MCC), CT of the chest, MRI of the chest
Diagnostic Test
Lead sponsor
ReCode Therapeutics
Industry
Eligibility
18 Years to 60 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Oct 28, 2026, 1:41 AM 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 6, 2026 · Synced Oct 28, 2026, 1:41 AM EDT
Active, not recruiting Phase 3 Interventional

Extracorporeal Photopheresis for Medicare Recipients of Lung Allografts

NCT02181257
View directory record Official record
Conditions
Bronchiolitis Obliterans Syndrome (BOS)
Interventions
Extracorporeal Photopheresis (ECP), No intervention in the SOC / Retrospective Chart review.
Combination Product · Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
280 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2028
U.S. locations
22
States / cities
Birmingham, Alabama • Phoenix, Arizona • La Jolla, California + 18 more
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Oct 28, 2026, 1:41 AM 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 13, 2016 · Synced Oct 28, 2026, 1:41 AM EDT
Recruiting No phase listed Observational

Predictive Biomarkers for Pneumonitis After Chemoradiotherapy and Immunotherapy in Patients With Non-small Cell Lung Cancer

NCT04913311
View directory record Official record
Conditions
Lung Non-Small Cell Carcinoma
Interventions
Biospecimen Collection, Bronchoscopy with Bronchoalveolar Lavage, Chemoradiotherapy, Computed Tomography, Diagnostic Laboratory Biomarker Analysis, Immune Checkpoint Inhibitor, Nasal Wash and Collection, Quality-of-Life Assessment, Questionnaire Administration, Spirometry
Procedure · Other · Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Not listed
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Oct 28, 2026, 1:41 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Responses to Live Attenuated Influenza Virus (LAIV) in Chronic Obstructive Pulmonary Disease (COPD)

NCT04901455
View directory record Official record
Conditions
COPD
Interventions
LAIV
Biological
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
40 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 23, 2026 · Synced Oct 28, 2026, 1:41 AM 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 30, 2024 · Synced Oct 28, 2026, 1:41 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Standardized Home Spirometry Method in Normal Population

NCT03945500
View directory record Official record
Conditions
Mobile Applications, Healthy Volunteers, Feasibility Study
Interventions
Investigational Mobile Medical Software Application & IT Dashboard Application, FDA approved Bluetooth spirometer, FDA approved pulse oximeter
Device
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 23, 2022 · Synced Oct 28, 2026, 1:41 AM EDT
Completed No phase listed Observational

High-resolution Computed Tomography (HRCT) Evaluation of Airway Distensibility in Lung Transplant Recipients

NCT00584181
View directory record Official record
Conditions
Unspecified Complication of Lung Transplant
Interventions
Not listed
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2018
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 22, 2018 · Synced Oct 28, 2026, 1:41 AM EDT