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ClinicalTrials.gov public records Last synced Oct 23, 2026, 5:36 AM EDT

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Showing 25–48 of 210 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: 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 4, 2026 · Synced Oct 23, 2026, 5:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Trial of Spirometry Fundamentals™ in the Primary Care Setting

NCT01152320
View directory record Official record
Conditions
Asthma
Interventions
Spirometry Fundamentals™ Training CD
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 90 Years
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 29, 2010 · Synced Oct 23, 2026, 5:36 AM EDT
Completed No phase listed Observational

Respiration Measured Via End-tidal CO2 and Spirometry Study (RESPI)

NCT07537478
View directory record Official record
Conditions
Respiration Rate Detection
Interventions
Wearable Respiration mask - exercise, Wearable respiration Mask
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 14, 2026 · Synced Oct 23, 2026, 5:36 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Utility of Lung Clearance Index Score as a Noninvasive Marker of Small Airways Disease

NCT03241420
View directory record Official record
Conditions
Chronic Lung Disease
Interventions
lung clearance index (LCI)
Device
Lead sponsor
National Jewish Health
Other
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2030
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Oct 23, 2026, 5:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effect of High Frequency Chest Wall Oscillation Vests on Spirometry Measurements

NCT03534986
View directory record Official record
Conditions
Cystic Fibrosis, Bronchiectasis
Interventions
International Biophysics AffloVest, Hill-Rom The Vest, Respirtech inCourage, Electromed SmartVest
Device
Lead sponsor
International Biophysics Corporation
Industry
Eligibility
18 Years to 50 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Kissimmee, Florida
Source: ClinicalTrials.gov public record
Updated Oct 3, 2018 · Synced Oct 23, 2026, 5:36 AM EDT
Withdrawn No phase listed Observational

Perioperative Factors Impacting Surgical Risk and Outcomes in Children

NCT03436667
View directory record Official record
Conditions
Surgery, Orthopedic Disorder
Interventions
Spirometry, Reaction Time
Diagnostic Test
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
6 Years to 18 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 14, 2022 · Synced Oct 23, 2026, 5:36 AM EDT
Completed Phase 2 Interventional Results available

Improving Right Ventricular Function in Young Adults Born Preterm

NCT03696758
View directory record Official record
Conditions
Infant,Premature
Interventions
Pulmonary Function Testing, Electrocardiogram, Cardiac Magnetic Resonance Imaging, Metoprolol, Sildenafil
Procedure · Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 35 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Mar 17, 2021 · Synced Oct 23, 2026, 5:36 AM EDT
Recruiting Phase 2 Interventional

Using Xe MRI to Guide Radiation Therapy for Lung Cancer

NCT06925295
View directory record Official record
Conditions
Imaging Techniques
Interventions
Xenon MRI, Pulmonary Function Testing, Quality of Life Questionnaire, Medical Research Council Dyspnea score, St. George's Respiratory Questionnaire, Blood Biomarkers
Drug · Diagnostic Test · Other
Lead sponsor
Sean Fain
Other
Eligibility
18 Years to 80 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jan 2, 2026 · Synced Oct 23, 2026, 5:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluating the Impact of Synthetic Cooling Agents in Combustible Cigarettes on Smoking Perceptions and Use

NCT06230159
View directory record Official record
Conditions
Cigarette Smoking-Related Carcinoma
Interventions
Non-menthol Cigarette Smoking, Menthol Cigarette Smoking, Synthetic Cooling Agent Cigarette Smoking, Usual Brand Cigarette Smoking, Spirometry, Questionnaire Administration, Nasal Epithelial Lining Fluid
Behavioral · Diagnostic Test · Other
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
21 Years to 29 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Oct 23, 2026, 5:36 AM EDT
Completed Not applicable Interventional

Iloprost in Gas Exchange/Pulm Mechanics in Chronic Obstructive Pulmonary Disease (COPD)

NCT00561223
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease, Pulmonary Hypertension
Interventions
iloprost Inhalation, iloprost
Drug
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2012
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Feb 15, 2024 · Synced Oct 23, 2026, 5:36 AM EDT
Terminated Not applicable Interventional Results available

Feasibility of At-Home Handheld Spirometry

NCT03284203
View directory record Official record
Conditions
COPD
Interventions
SpiroPD
Device
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 31, 2023 · Synced Oct 23, 2026, 5:36 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 23, 2026, 5:36 AM EDT
Completed 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
47 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 Oct 7, 2026 · Synced Oct 23, 2026, 5:36 AM 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 18, 2025 · Synced Oct 23, 2026, 5:36 AM 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 26, 2026 · Synced Oct 23, 2026, 5:36 AM 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 17, 2025 · Synced Oct 23, 2026, 5:36 AM EDT
Completed Not applicable Interventional

The Digital Incentive Spirometer (DIS): Improving Adherence to Incentive Spirometry

NCT03686631
View directory record Official record
Conditions
Post-Op Infection, Adherence, Patient, Pulmonary Atelectasis, Incentive Spirometry, Post-Op Complication
Interventions
Smartphone Arm
Behavioral
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 24, 2019 · Synced Oct 23, 2026, 5:36 AM EDT
Completed Not applicable Interventional Results available

Comparison of Breath-Enhanced and T-Piece Nebulizers in Children With Acute Asthma

NCT02566902
View directory record Official record
Conditions
Asthma
Interventions
T-Piece Nebulizer, Breath-Enhanced Nebulizer, Albuterol, Pre-Treatment Spirometry Measurement, Post-Treatment Spirometry Measurement
Device · Drug · Procedure
Lead sponsor
Seton Healthcare Family
Other
Eligibility
6 Years to 17 Years
Enrollment
118 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated May 6, 2021 · Synced Oct 23, 2026, 5:36 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Biomarkers in the Evaluation of Chronic Lung Disease

NCT00926523
View directory record Official record
Conditions
Pulmonary Hypertension, Pulmonary Arterial Hypertension, Interstitial Lung Disease
Interventions
Blood Gas, Pulmonary Exercise Test, Spirometry, Breath Condensate Collector
Other
Lead sponsor
Northwell Health
Other
Eligibility
18 Years and older
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
New Hyde Park, New York
Source: ClinicalTrials.gov public record
Updated May 27, 2011 · Synced Oct 23, 2026, 5:36 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

19F MRI to Evaluate Regional Ventilation in Healthy Subjects and Subjects With Cystic Fibrosis

NCT03489590
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
PFP
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 99 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 4, 2019 · Synced Oct 23, 2026, 5:36 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Cough Reflex Sensitivity and Bronchial Hyper-responsiveness

NCT01777867
View directory record Official record
Conditions
Gastroesophageal Reflux Disease, Chronic Cough, Broncho-hyperreactivity
Interventions
Cough Reflex Sensitivity, Methacholine Challenge
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 60 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Feb 17, 2017 · Synced Oct 23, 2026, 5:36 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 23, 2026, 5:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Improving Asthma Outcomes Through Spirometry Distance Learning

NCT01168635
View directory record Official record
Conditions
Asthma
Interventions
Spirometry 360 program - Virtually-delivered spirometry quality improvement program
Behavioral
Lead sponsor
Seattle Children's Hospital
Other
Eligibility
5 Years to 17 Years
Enrollment
660 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
4
States / cities
Boston, Massachusetts • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 20, 2015 · Synced Oct 23, 2026, 5:36 AM EDT
Completed Not applicable Interventional

Home Air in Agriculture: Pediatric Intervention Trial

NCT04919915
View directory record Official record
Conditions
Asthma in Children
Interventions
HEPA air cleaner
Device
Lead sponsor
University of Washington
Other
Eligibility
6 Years to 12 Years
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Yakima, Washington
Source: ClinicalTrials.gov public record
Updated Jun 9, 2021 · Synced Oct 23, 2026, 5:36 AM EDT