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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Lung-function spirometry test Clear all
Completed No phase listed Observational

Adiposity and Airway Inflammation in HIV-Associated Airway Disease

NCT02975258
View directory record Official record
Conditions
Asthma, HIV, Adiposity
Interventions
Blood draw, Questionnaires, Spirometry, Methacholine challenge test, Quantitative CT scans, Urine pregnancy test, Adipose biopsy, Exhaled nitric oxide measurement
Procedure · Other · Radiation
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 80 Years
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 12, 2017 · Synced Sep 11, 2026, 5:15 PM EDT
Not listed Phase 1 Interventional Accepts healthy volunteers

GERD and Anti-Reflux Therapy Between Able-bodied and SCI Individuals

NCT02584751
View directory record Official record
Conditions
Gastro Esophageal Reflux Disorder
Interventions
Omeprazole, 24 Hour pH Monitor, Pulmonary Function Examination, Exhaled Nitric Oxide, Exhaled Breath Concentrate (EBC), Bernstein's Acid Clearance Test, Esophageal Motility
Drug · Device · Procedure
Lead sponsor
James J. Peters Veterans Affairs Medical Center
Federal
Eligibility
18 Years to 75 Years
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2016
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Nov 14, 2016 · Synced Sep 11, 2026, 5:15 PM EDT
Terminated Not applicable Interventional Results available

Orthosis of Acute Traumatic Rib Fractures Via RibFx Belt for Pain Alleviation and Improved Pulmonary Function

NCT03846024
View directory record Official record
Conditions
Rib Fracture, Rib Fracture Multiple, Trauma, Trauma Chest, Trauma Injury, Trauma, Multiple
Interventions
RibFx Orthosis Belt
Device
Lead sponsor
University of Vermont Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Jan 11, 2023 · Synced Sep 11, 2026, 5:15 PM EDT
Terminated Not applicable Interventional

The Effectiveness of the Jamboxx Respiratory Therapy Device: Study 3

NCT03547349
View directory record Official record
Conditions
Atelectases, Postoperative Pulmonary
Interventions
Digital Incentive Spirometer, Jamboxx Respiratory Therapy Device
Device
Lead sponsor
My Music Machines Inc.
Industry
Eligibility
18 Years and older
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Albany, New York
Source: ClinicalTrials.gov public record
Updated Aug 23, 2022 · Synced Sep 11, 2026, 5:15 PM EDT
Completed Not applicable Interventional Results available

Enhanced Community-Based Asthma Monitoring Through Novel Technology

NCT05824936
View directory record Official record
Conditions
Asthma in Children
Interventions
Pilot study arm for technology-enhanced asthma intervention
Behavioral
Lead sponsor
Nemours Children's Clinic
Other
Eligibility
12 Years to 18 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Wilmington, Delaware
Source: ClinicalTrials.gov public record
Updated May 19, 2025 · Synced Sep 11, 2026, 5:15 PM EDT
Active, not recruiting Phase 4 Interventional

REIMAGINE - Real World EvaluatIon of Mepolizumab in Severe Asthma achievinG on Treatment clinIcal remissioN, a prospEctive Study

NCT06041386
View directory record Official record
Conditions
Asthma
Interventions
Mepolizumab, Spirometry
Drug · Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
336 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
28
States / cities
La Jolla, California • Newport Beach, California • Aurora, Colorado + 24 more
Source: ClinicalTrials.gov public record
Updated Jul 31, 2025 · Synced Sep 11, 2026, 5:15 PM 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 15, 2020 · Synced Sep 11, 2026, 5:15 PM EDT
Completed No phase listed Observational

Early Detection and Management of Bronchiolitis Obliterans Syndrome Following Pediatric Hematopoietic Stem Cell Transplantation

NCT03072849
View directory record Official record
Conditions
Bronchiolitis Obliterans Syndrome
Interventions
Pulmonary function testing, FAM Therapy
Procedure · Drug
Lead sponsor
Ann & Robert H Lurie Children's Hospital of Chicago
Other
Eligibility
6 Years to 18 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 18, 2024 · Synced Sep 11, 2026, 5:15 PM 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 3, 2026 · Synced Sep 11, 2026, 5:15 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 11, 2026, 5:15 PM 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 22, 2021 · Synced Sep 11, 2026, 5:15 PM 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 22, 2026 · Synced Sep 11, 2026, 5:15 PM EDT
Completed Not applicable Interventional

Lung Function Testing in Patients With Locally Advanced or Metastatic Solid Tumors

NCT00914147
View directory record Official record
Conditions
Unspecified Adult Solid Tumor, Protocol Specific
Interventions
pulmonary function testing
Procedure
Lead sponsor
Barbara Ann Karmanos Cancer Institute
Other
Eligibility
18 Years to 120 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 7, 2021 · Synced Sep 11, 2026, 5:15 PM 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 21, 2018 · Synced Sep 11, 2026, 5:15 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Pathophysiology of the Upper Airway in Patients With COPD and Concomitant OSA

NCT02567448
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Sleep and pulmonary physiologic measurements
Other
Lead sponsor
University of California, San Diego
Other
Eligibility
40 Years to 70 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated May 6, 2020 · Synced Sep 11, 2026, 5:15 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Exhaled Carbon Monoxide (eCO) for Diffusing Capacity (DLCO) Correction

NCT01126047
View directory record Official record
Conditions
Lung Diseases
Interventions
eCO testing
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
2
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 8, 2011 · Synced Sep 11, 2026, 5:15 PM 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 21, 2026 · Synced Sep 11, 2026, 5:15 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Tobacco Cessation at FDNY

NCT05997225
View directory record Official record
Conditions
Tobacco Use, Tobacco Smoking, Tobacco Use Cessation
Interventions
opt out enrollment, tailored counseling, varenicline started prior to target quit date, opt in enrollment, non-tailored counseling, varenicline started prior to target quit date
Other
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
40 Years and older
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Jan 28, 2026 · Synced Sep 11, 2026, 5:15 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Exhaled Breath Condensate Biomarkers of Inflammation in Individuals With Chronic Cervical Spinal Cord Injury

NCT02235714
View directory record Official record
Conditions
Tetraplegia, Asthma
Interventions
Not listed
Lead sponsor
James J. Peters Veterans Affairs Medical Center
Federal
Eligibility
18 Years to 89 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Sep 9, 2014 · Synced Sep 11, 2026, 5:15 PM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

Effect of Interscalene Block on Obstructive Sleep Apnea in Shoulder Surgery Patients

NCT02034370
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Lung-function spirometry test, Overnight sleep test
Device
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
2
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 29, 2016 · Synced Sep 11, 2026, 5:15 PM 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 16, 2025 · Synced Sep 11, 2026, 5:15 PM 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 26, 2011 · Synced Sep 11, 2026, 5:15 PM 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 5, 2019 · Synced Sep 11, 2026, 5:15 PM 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 4, 2012 · Synced Sep 11, 2026, 5:15 PM EDT