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Showing 1–24 of 218 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Pulmonary Function Testing Clear all
Completed Not applicable Interventional

Dynamic Laryngeal Opening for Bilateral Vocal Fold Paralysis by an Implanted Stimulator

NCT00845442
View directory record Official record
Conditions
Vocal Cord Paralysis
Interventions
pacemaker
Device
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years to 85 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 21, 2022 · Synced Jul 22, 2026, 6:45 PM EDT
Completed Phase 3 Interventional Results available

A Phase III Parallel Group Study, Comparing the Efficacy, Safety and Tolerability of the Fixed Dose Combination (FDC) of Fluticasone Furoate+Umeclidinium Bromide+Vilanterol (FF/UMEC/VI) With the FDC of FF/VI in Subjects With Inadequately Controlled Asthma

NCT02924688
View directory record Official record
Conditions
Asthma
Interventions
FF/UMEC/VI (100/31.25/25) mcg, FF/UMEC/VI (100/62.5/25) mcg, FF/UMEC/VI (200/31.25/25) mcg, FF/UMEC/VI (200/62.5/25) mcg, FF/VI (100/25) mcg, FF/VI (200/25) mcg, Fluticasone/salmeterol (FSC), Albuterol/salbutamol, ELLIPTA DPI, DISKUS DPI, METERED-DOSE INHALER (MDI)
Drug · Device
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
2,436 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
99
States / cities
Birmingham, Alabama • Mobile, Alabama • Montgomery, Alabama + 89 more
Source: ClinicalTrials.gov public record
Updated Mar 25, 2021 · Synced Jul 22, 2026, 6:45 PM EDT
Recruiting Not applicable Interventional

Nutrition for Asthmatics

NCT06151405
View directory record Official record
Conditions
Asthma
Interventions
DGA Diet, MCT Diet, KETO Diet
Other
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Jul 22, 2026, 6:45 PM 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 24, 2025 · Synced Jul 22, 2026, 6:45 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Lung and Heart Function Across Decades of Life in Health

NCT07641413
View directory record Official record
Conditions
Pollution Related Respiratory Disorder, Pollution; Exposure, Dyspnea, Cardiopulmonary
Interventions
Healthy control
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
24 Years to 68 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2030
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 10, 2026 · Synced Jul 22, 2026, 6:45 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Remote Pulmonary Function Testing in Amyotrophic Lateral Sclerosis (Pilot)

NCT03214224
View directory record Official record
Conditions
ALS
Interventions
remote pulmonary function testing, standard pulmonary function testing
Device
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years and older
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 6, 2020 · Synced Jul 22, 2026, 6:45 PM 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 9, 2020 · Synced Jul 22, 2026, 6:45 PM EDT
Completed Phase 2 Interventional Results available

A Safety, Tolerability and Efficacy Study With QBW251 in COPD Patients With QBW251

NCT02449018
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease, COPD
Interventions
QBW251, Placebo
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 75 Years
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
14
States / cities
Birmingham, Alabama • Fullerton, California • Waterbury, Connecticut + 11 more
Source: ClinicalTrials.gov public record
Updated Jan 4, 2021 · Synced Jul 22, 2026, 6:45 PM EDT
Not yet recruiting Not applicable Interventional

Novel Point-of-care Sweat Chloride Testing Device for Monitoring CFTR Function

NCT07414810
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
micro Sweat Test Patch (mSTP), Sweat Testing using SOC
Device · Diagnostic Test
Lead sponsor
Emory University
Other
Eligibility
2 Weeks to 90 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
2
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 16, 2026 · Synced Jul 22, 2026, 6:45 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 29, 2012 · Synced Jul 22, 2026, 6:45 PM EDT
Completed Phase 3 Interventional Results available

Study to Assess Efficacy and Safety of PT009 Compared to PT005, PT008, and Symbicort® Turbuhaler® on Lung Function Over 24-Weeks in Subjects With Moderate to Very Severe COPD

NCT02766608
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disorder
Interventions
BFF MDI 320/9.6 μg, BFF MDI 160/9.6 μg, FF MDI 9.6 μg, BD MDI 320 μg, Symbicort® TBH 400/12 μg BID
Drug
Lead sponsor
Pearl Therapeutics, Inc.
Industry
Eligibility
40 Years to 80 Years
Enrollment
2,389 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
83
States / cities
Athens, Alabama • Birmingham, Alabama • Dothan, Alabama + 70 more
Source: ClinicalTrials.gov public record
Updated Sep 23, 2019 · Synced Jul 22, 2026, 6:45 PM 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 14, 2023 · Synced Jul 22, 2026, 6:45 PM EDT
Completed Not applicable Interventional Results available

Pulmonx Endobronchial Valves Used in Treatment of Emphysema (LIBERATE Study)

NCT01796392
View directory record Official record
Conditions
Emphysema
Interventions
EBV, Optimal Medical Management
Device · Other
Lead sponsor
Pulmonx Corporation
Industry
Eligibility
40 Years to 75 Years
Enrollment
190 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2023
U.S. locations
17
States / cities
Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 14 more
Source: ClinicalTrials.gov public record
Updated Jun 14, 2023 · Synced Jul 22, 2026, 6:45 PM EDT
Completed No phase listed Observational

Pulmonary Function Changes in 10 Pack Year Smokers With Chronic Bronchitis

NCT00454675
View directory record Official record
Conditions
Chronic Bronchitis, COPD
Interventions
Not listed
Lead sponsor
Westside Family Medical Center, P.C.
Other
Eligibility
40 Years to 80 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Kalamazoo, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 14, 2008 · Synced Jul 22, 2026, 6:45 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Blood Flow and Vascular Function in Cystic Fibrosis

NCT02057458
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Sildenafil (Acute-1 hour), Sildenafil (Subchronic-4 weeks), Placebo
Drug
Lead sponsor
Augusta University
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 23, 2020 · Synced Jul 22, 2026, 6:45 PM EDT
Completed No phase listed Observational

Translation Evaluation of Aging, Inflammation and HIV in Lung Function (TEAL)

NCT02154880
View directory record Official record
Conditions
HIV, COPD, Pulmonary Disease, Aging
Interventions
PFT, lab work, 6MWT, questionnaires
Procedure · Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 80 Years
Enrollment
323 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 7, 2020 · Synced Jul 22, 2026, 6:45 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Nitrate Supplementation During Final Examination Stress

NCT03159273
View directory record Official record
Conditions
Airway Disease
Interventions
Beetroot Juice Group
Dietary Supplement
Lead sponsor
Southern Methodist University
Other
Eligibility
18 Years to 50 Years
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated May 22, 2018 · Synced Jul 22, 2026, 6:45 PM EDT
Completed Phase 2 Interventional

A Study to Test Whether BI 1819479 Improves Lung Function in People With Idiopathic Pulmonary Fibrosis (IPF)

NCT06335303
View directory record Official record
Conditions
Idiopathic Pulmonary Fibrosis
Interventions
BI 1819479, Placebo matching BI 1819479
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
40 Years and older
Enrollment
322 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
15
States / cities
Birmingham, Alabama • Lakewood, Colorado • Kissimmee, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced Jul 22, 2026, 6:45 PM EDT
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 14, 2020 · Synced Jul 22, 2026, 6:45 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Imaging Regional Lung Defect Severity

NCT01640288
View directory record Official record
Conditions
COPD
Interventions
Perfluorinated Gas/Oxygen Mixture, High Resolution CT of the Chest
Drug · Other
Lead sponsor
Hal C Charles
Other
Eligibility
18 Years and older
Enrollment
171 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 16, 2020 · Synced Jul 22, 2026, 6:45 PM EDT
Completed Phase 4 Interventional

Vitamin and Asthma Study

NCT01447173
View directory record Official record
Conditions
Asthma
Interventions
Vitamin D
Drug
Lead sponsor
Augusta University
Other
Eligibility
7 Years to 17 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 22, 2012 · Synced Jul 22, 2026, 6:45 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 28, 2017 · Synced Jul 22, 2026, 6:45 PM EDT
Completed Not applicable Interventional Results available

Remote Pulmonary Function Testing and Nurse Coaching in ALS

NCT04490148
View directory record Official record
Conditions
ALS
Interventions
remote pulmonary function testing, standard pulmonary function testing, Nurse Respiratory Health Coaching (NRHC)
Device · Behavioral
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 23, 2024 · Synced Jul 22, 2026, 6:45 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 22, 2019 · Synced Jul 22, 2026, 6:45 PM EDT