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ClinicalTrials.gov public records Last synced Oct 30, 2026, 12:21 PM EDT

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Showing 121–144 of 221 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Pulmonary Function Test Clear all
Completed No phase listed Observational Results available

The Accuracy of Smartphone Pulse Oximetry in Patients Visiting an Outpatient Pulmonary Function Lab for a 6-Minute Walk Test

NCT03534271
View directory record Official record
Conditions
Oximetry
Interventions
iPhone with Kenek Edge and Samsung S8
Device
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years and older
Enrollment
47 participants
Timeline
2018 – 2019
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 5, 2024 · Synced Oct 30, 2026, 12:21 PM 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 30, 2026, 12:21 PM EDT
Completed No phase listed Observational

Lung Function and Structure in Healthy Infants and Infants With Recurrent Wheezing

NCT00507676
View directory record Official record
Conditions
Asthma, Wheezing, Infant
Interventions
Not listed
Lead sponsor
Indiana University
Other
Eligibility
2 Months to 2 Years
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2007
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Mar 30, 2012 · Synced Oct 30, 2026, 12:21 PM EDT
Completed No phase listed Observational

Study of Lung Function in Children Who Have Undergone Bone Marrow Transplantation

NCT00009711
View directory record Official record
Conditions
Long-term Effects Secondary to Cancer Therapy in Children, Pulmonary Complications
Interventions
management of therapy complications
Procedure
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
Up to 17 Years
Enrollment
280 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2005
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 1, 2013 · Synced Oct 30, 2026, 12:21 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Effect of Interscalene Peripheral Nerve Block With 0.25% Bupivacaine vs 0.125% Bupivacaine on Lung Function

NCT01429584
View directory record Official record
Conditions
Diaphragm Paralysis
Interventions
interscalene nerve block with 0.25% bupivacaine, interscalene block with 0.125% bupivacaine
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Dec 19, 2013 · Synced Oct 30, 2026, 12:21 PM EDT
Completed No phase listed Observational

Validation of Chronic Obstructive Pulmonary Disease (COPD) Algorithm

NCT07223749
View directory record Official record
Conditions
COPD (Chronic Obstructive Pulmonary Disease)
Interventions
Not listed
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
40 Years and older
Enrollment
425 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 28, 2026 · Synced Oct 30, 2026, 12:21 PM EDT
Completed Phase 4 Interventional Results available

Preterm Infant Inhaled Albuterol Dosing

NCT02447250
View directory record Official record
Conditions
Bronchopulmonary Dysplasia, Very Low Birth Weight
Interventions
Varied albuterol dose response
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
14 Days and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated May 23, 2019 · Synced Oct 30, 2026, 12:21 PM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety Study of Mepolizumab Adjunctive Therapy in Participants With Severe Eosinophilic Asthma on Markers of Asthma Control

NCT02281318
View directory record Official record
Conditions
Asthma
Interventions
Mepolizumab, Placebo, SOC
Biological · Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
12 Years and older
Enrollment
556 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
24
States / cities
Birmingham, Alabama • Fresno, California • Long Beach, California + 20 more
Source: ClinicalTrials.gov public record
Updated Aug 6, 2018 · Synced Oct 30, 2026, 12:21 PM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Hyperpolarized 129Xe MRI for Imaging Pulmonary Function

NCT01280994
View directory record Official record
Conditions
Interstitial Lung Disease
Interventions
Hyperpolarized 129Xenon Gas
Drug
Lead sponsor
Bastiaan Driehuys
Other
Eligibility
18 Years and older
Enrollment
445 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2030
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 16, 2026 · Synced Oct 30, 2026, 12:21 PM EDT
Completed Phase 3 Interventional

A Study Evaluating the Efficacy and Safety of Ralinepag to Improve Treatment Outcomes in PAH Patients

NCT03626688
View directory record Official record
Conditions
PAH, Pulmonary Hypertension, Pulmonary Arterial Hypertension, Hypertension, Connective Tissue Diseases, Familial Primary Pulmonary Hypertension, Vascular Diseases, Cardiovascular Diseases, Hypertension, Pulmonary, Lung Diseases, Respiratory Tract Disease
Interventions
Ralinepag, Placebo
Drug
Lead sponsor
United Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
687 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
68
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 50 more
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Oct 30, 2026, 12:21 PM EDT
Not listed No phase listed Observational

Vibration Response Imaging (VRI) in Patients Who Are Potential Candidates for Surgical Resection

NCT00966511
View directory record Official record
Conditions
Lung Cancer
Interventions
Lung resection surgery
Procedure
Lead sponsor
Deep Breeze
Industry
Eligibility
18 Years to 90 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
6
States / cities
New Haven, Connecticut • Atlanta, Georgia • Boston, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 9, 2011 · Synced Oct 30, 2026, 12:21 PM EDT
Completed Phase 3 Interventional Results available

A Study to Find Out Whether BI 1015550 Improves Lung Function in People With Idiopathic Pulmonary Fibrosis (IPF)

NCT05321069
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
1,177 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
56
States / cities
Birmingham, Alabama • Los Angeles, California • Sacramento, California + 45 more
Source: ClinicalTrials.gov public record
Updated Oct 20, 2025 · Synced Oct 30, 2026, 12:21 PM EDT
Completed Phase 2 Interventional Results available

Safety Study of Botulinum Toxin Type A in Post-Upper Limb Stroke Patients With Reduced Lung Function

NCT00076687
View directory record Official record
Conditions
Stroke, Muscle Spasticity, Motor Neuron Disease
Interventions
botulinum toxin Type A, saline
Biological · Drug
Lead sponsor
Allergan
Industry
Eligibility
18 Years and older
Enrollment
155 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2009
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Oct 3, 2011 · Synced Oct 30, 2026, 12:21 PM EDT
Completed Phase 2 Interventional Results available

A Phase II, Randomized, Double-blind, Placebo-controlled Study to Assess MEDI3506 in Participants With COPD and Chronic Bronchitis

NCT04631016
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease (COPD), Chronic Bronchitis
Interventions
Tozorakimab, Placebo
Drug · Other
Lead sponsor
AstraZeneca
Industry
Eligibility
40 Years to 80 Years
Enrollment
137 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
16
States / cities
Sheffield, Alabama • Newport Beach, California • Newark, Delaware + 13 more
Source: ClinicalTrials.gov public record
Updated Feb 27, 2025 · Synced Oct 30, 2026, 12:21 PM EDT
Recruiting Early Phase 1 Interventional

Xenon MRI to Evaluate Changes to Lung Function Following Bronchoscopic Treatment of Air Trapping in Emphysema

NCT07896902
View directory record Official record
Conditions
Air Trapping, Emphysema, Hyperinflation
Interventions
Hyperpolarized Xenon MRI, Apreo BREATHE Airway Scaffold
Drug · Device
Lead sponsor
Apreo Health, Inc.
Industry
Eligibility
40 Years to 84 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
2
States / cities
Birmingham, Alabama • Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Oct 27, 2026 · Synced Oct 30, 2026, 12:21 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Cardiopulmonary Responses to Exposure to Ozone and Diesel Exhaust

NCT01874834
View directory record Official record
Conditions
Respiratory Depression, Blood Pressure
Interventions
ozone
Other
Lead sponsor
Environmental Protection Agency (EPA)
Federal
Eligibility
18 Years to 55 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 11, 2013 · Synced Oct 30, 2026, 12:21 PM EDT
Completed No phase listed Observational

Multi-center, Web Based Observational Study of Pulmonary Hypertension in Scleroderma Patients

NCT00377949
View directory record Official record
Conditions
Systemic Sclerosis, Scleroderma, Pulmonary Hypertension, Pulmonary Arterial Hypertension
Interventions
Not listed
Lead sponsor
Georgetown University
Other
Eligibility
18 Years to 75 Years
Enrollment
602 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2005
U.S. locations
25
States / cities
Los Angeles, California • Stanford, California • Denver, Colorado + 18 more
Source: ClinicalTrials.gov public record
Updated May 3, 2016 · Synced Oct 30, 2026, 12:21 PM EDT
Completed Not applicable Interventional

Exercise Training Study for Patients With Cystic Fibrosis

NCT00609050
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Self-Regulated Exercise with Telephone Reinforcement, Standard Treatment, Qualitative Approach
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
10 Years to 18 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 19, 2016 · Synced Oct 30, 2026, 12:21 PM EDT
Completed No phase listed Observational

The Study Of CT Scans and Echo Parameters in Patients With PAH

NCT00625963
View directory record Official record
Conditions
Pulmonary Hypertension
Interventions
Not listed
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 80 Years
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
New Hyde Park, New York
Source: ClinicalTrials.gov public record
Updated Jul 30, 2013 · Synced Oct 30, 2026, 12:21 PM EDT
Completed No phase listed Observational

Prevalence of Alpha-1 Antitrypsin Deficiency in Chronic Obstructive Pulmonary Disease (COPD)

NCT01419158
View directory record Official record
Conditions
Alpha-1 Antitrypsin Deficiency, Chronic Obstructive Pulmonary Disease
Interventions
Not listed
Lead sponsor
Alpha-1 Foundation
Other
Eligibility
18 Years and older
Enrollment
3,457 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
18
States / cities
Los Angeles, California • Denver, Colorado • Gainesville, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Jan 19, 2012 · Synced Oct 30, 2026, 12:21 PM EDT
Completed Phase 2 Interventional

Video-Assisted Surgery Followed by Radiation Therapy in Treating Patients With Stage I Non-small Cell Lung Cancer and Poor Heart and Lung Function

NCT00002624
View directory record Official record
Conditions
Lung Cancer
Interventions
adjuvant therapy, diagnostic thoracoscopy, therapeutic thoracoscopy, video-assisted surgery, radiation therapy
Procedure · Radiation
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1994 – 2005
U.S. locations
13
States / cities
Denver, Colorado • Des Moines, Iowa • Boston, Massachusetts + 8 more
Source: ClinicalTrials.gov public record
Updated Jul 14, 2016 · Synced Oct 30, 2026, 12:21 PM EDT
Not listed Not applicable Interventional

Walking and Blood Pressure in Older Adults With Respiratory Impairment.

NCT06033417
View directory record Official record
Conditions
Respiratory Impairment, Elevated Blood Pressure, Physical Inactivity
Interventions
Increased lifestyle walking (intervention), Health education only (control)
Other
Lead sponsor
Iowa State University
Other
Eligibility
65 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Ames, Iowa
Source: ClinicalTrials.gov public record
Updated Sep 13, 2023 · Synced Oct 30, 2026, 12:21 PM EDT
Completed Not applicable Interventional

Effect of CPAP (Continuous Positive Airway Pressure) on Lung Function in Asthmatics With Sleep Apnea

NCT00238069
View directory record Official record
Conditions
Asthma, Sleep Apnea
Interventions
CPAP machine as a result of sleep study
Device
Lead sponsor
National Jewish Health
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 29, 2017 · Synced Oct 30, 2026, 12:21 PM EDT
Completed Not applicable Interventional

Evaluating Asthma Exacerbation-induced Changes in Lung Function With a Home-based Spirometer

NCT03705325
View directory record Official record
Conditions
Asthma, Asthma Attack, Asthma, Allergic
Interventions
Spirobank Smart spirometer
Device
Lead sponsor
VitalFlo Inc.
Industry
Eligibility
12 Years to 21 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
2
States / cities
Chapel Hill, North Carolina • Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 6, 2020 · Synced Oct 30, 2026, 12:21 PM EDT