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ClinicalTrials.gov public records Last synced Oct 22, 2026, 5:58 AM EDT

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Showing 73–96 of 610 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Pulmonary function testing Clear all
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 20, 2025 · Synced Oct 22, 2026, 5:58 AM EDT
Completed Not applicable Interventional

Abdominal Functional Electrical Stimulation to Reduce Hyperinflation in Chronic Obstructive Pulmonary Disease Patients

NCT02035228
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
Abdominal Stimulation - low / early, Abdominal stimulation - low/late, Abdominal Stimulation - low/full, Abdominal stimulation - med/early, Abdominal stimulation - med/late, Abdominal Stimulation - med/full, Abdominal Stimulation - high/early, Abdominal Stimulation - high/late, Abdominal Stimulation - high/full
Device
Lead sponsor
Liberate Medical
Industry
Eligibility
40 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Aug 15, 2018 · Synced Oct 22, 2026, 5:58 AM EDT
Recruiting Phase 2 Interventional

Pilot Study of Performance Status 2 vs. Performance Status 0-1 Non-small Cell Lung Cancer Patients Treated With Chemo/Immunotherapy

NCT04253964
View directory record Official record
Conditions
Nonsmall Cell Lung Cancer, Performance Status
Interventions
Pembrolizumab, Atezolizumab, Cemiplimab-Rwlc, Carboplatin, Paclitaxel, Nab paclitaxel, Pemetrexed, Cisplatin, Quality of Life Questionnaire, lung cancer-specific (QLQ-LC13), QLQ-C30 Global Health/Quality of Life Questionnaire, COPD Assessment Test and modified Medical Research Council Dyspnea Patient Reported Outcomes, PROMIS and FACT-G Questionnaires, Sleep Disorder Assessments (ISI, Berlin Sleep Questionnaire)
Drug · Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
2
States / cities
Charlotte, North Carolina • Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 25, 2026 · Synced Oct 22, 2026, 5:58 AM EDT
Not listed Phase 3 Interventional Accepts healthy volunteers

Effects of Vitamin D and Omega-3 Supplementation on Telomeres in VITAL

NCT04386577
View directory record Official record
Conditions
Aging
Interventions
Vitamin D3 (cholecalciferol), fish oil
Dietary Supplement · Drug
Lead sponsor
Augusta University
Other
Eligibility
50 Years and older
Enrollment
1,054 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated May 13, 2020 · Synced Oct 22, 2026, 5:58 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 22, 2026, 5:58 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Mechanisms for Vascular Dysfunction and Exercise Tolerance in CF

NCT02690064
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Acute Antioxidant, Chronic Antioxidant, Placebo
Dietary Supplement · Other
Lead sponsor
Augusta University
Other
Eligibility
7 Years and older
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2027
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 28, 2025 · Synced Oct 22, 2026, 5:58 AM EDT
Completed Not applicable Interventional

Clinical Utility of the 1-minute Sit to Stand Test as a Measure of Submaximal Exercise Tolerance in Patients With Cystic Fibrosis During Acute Pulmonary Exacerbation

NCT04058548
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Sit to stand test
Diagnostic Test
Lead sponsor
Boston Children's Hospital
Other
Eligibility
6 Years to 35 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 16, 2021 · Synced Oct 22, 2026, 5:58 AM EDT
Active, not recruiting Not applicable Interventional

Medical and Psychosocial Issues in Adolescents and Young Adults With Colorectal Cancer

NCT04832763
View directory record Official record
Conditions
Stage I Colorectal Cancer AJCC v8, Stage II Colorectal Cancer AJCC v8, Stage IIA Colorectal Cancer AJCC v8, Stage IIB Colorectal Cancer AJCC v8, Stage IIC Colorectal Cancer AJCC v8, Stage III Colorectal Cancer AJCC v8, Stage IIIA Colorectal Cancer AJCC v8, Stage IIIB Colorectal Cancer AJCC v8, Stage IIIC Colorectal Cancer AJCC v8, Stage IV Colorectal Cancer AJCC v8, Stage IVA Colorectal Cancer AJCC v8, Stage IVB Colorectal Cancer AJCC v8, Stage IVC Colorectal Cancer AJCC v8
Interventions
Biospecimen Collection, Medical Chart Review, Physical Performance Testing, Quality-of-Life Assessment, Questionnaire Administration
Procedure · Other
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
2
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 5, 2026 · Synced Oct 22, 2026, 5:58 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Effects of Broccoli Sprout Extract on Obstructive Lung Disease

NCT00994604
View directory record Official record
Conditions
Asthma, COPD
Interventions
broccoli sprout extract
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 65 Years
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2015
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 27, 2017 · Synced Oct 22, 2026, 5:58 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

SpO2 Accuracy Comparison of Smart Sock V. 2 SpO2 to Arterial Blood CO-Oximetry

NCT03630016
View directory record Official record
Conditions
Hypoxia
Interventions
Pulse oximetry with Owlet BabySat v1.0 sensor
Diagnostic Test
Lead sponsor
Owlet Baby Care, Inc.
Industry
Eligibility
18 Years to 50 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Lehi, Utah
Source: ClinicalTrials.gov public record
Updated Jul 23, 2019 · Synced Oct 22, 2026, 5:58 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of a Couple-Based Physical Activity Intervention

NCT06073951
View directory record Official record
Conditions
Hematopoietic and Lymphoid System Neoplasm, Malignant Solid Neoplasm
Interventions
Best Practice, Exercise Counseling, Exercise Intervention, Medical Device Usage and Evaluation, Physical Performance Testing, Questionnaire Administration
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Sep 24, 2025 · Synced Oct 22, 2026, 5:58 AM EDT
Completed Phase 3 Interventional

A Study to Investigate the Effect on Lung Function of BDA Formulated With a Next Generation Propellant Compared With an Approved Asthma Treatment (BDA With HFA Propellant) in Participants With Asthma

NCT06502366
View directory record Official record
Conditions
Asthma
Interventions
BDA MDI HFO 160/180 μg, BDA MDI HFA 160/180 μg, Placebo MDI HFA
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
424 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
70
States / cities
Mobile, Alabama • Sheffield, Alabama • Phoenix, Arizona + 66 more
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Oct 22, 2026, 5:58 AM EDT
Completed Phase 1 Interventional

Endothelial Cell Dysfunction in Pulmonary Hypertension

NCT00098072
View directory record Official record
Conditions
Secondary Pulmonary Arterial Hypertension
Interventions
Heart Catheterization
Procedure
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years to 100 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2009
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 22, 2026, 5:58 AM 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 23, 2018 · Synced Oct 22, 2026, 5:58 AM EDT
Completed Not applicable Interventional Results available

Early Intervention in Cystic Fibrosis Exacerbation

NCT01104402
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Home lung function and symptom monitoring
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
14 Years and older
Enrollment
267 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
3
States / cities
Baltimore, Maryland • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 23, 2017 · Synced Oct 22, 2026, 5:58 AM EDT
Recruiting No phase listed Observational

Understanding New Cachexia Subtypes Through Observational Epidemiological Research

NCT07776353
View directory record Official record
Conditions
Advanced Colorectal Carcinoma, Advanced Lung Non-Small Cell Carcinoma, Advanced Pancreatic Adenocarcinoma, Stage IV Colorectal Cancer AJCC v8, Stage IV Lung Cancer AJCC v8, Stage IV Pancreatic Cancer AJCC v8, Unresectable Colorectal Carcinoma, Unresectable Lung Non-Small Cell Carcinoma
Interventions
Biospecimen Collection, Computed Tomography, Electronic health record review, Medical Device Usage and Evaluation, Physical functions assessments, Positron Emission Tomography (PET), Survey Administration
Procedure · Other
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years and older
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Pleasanton, California
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Oct 22, 2026, 5:58 AM EDT
Withdrawn Phase 2Phase 3 Interventional

Randomized Controlled Trial of Silymarin in Asthma

NCT01049178
View directory record Official record
Conditions
Atopic Asthma
Interventions
Oral Silymarin, Oral Silymarin, maintenance dose, Placebo
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 75 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Feb 24, 2014 · Synced Oct 22, 2026, 5:58 AM EDT
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 22, 2026, 5:58 AM EDT
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 13, 2017 · Synced Oct 22, 2026, 5:58 AM EDT
Completed Not applicable Interventional

4DX for the Diagnosis of Constrictive Bronchiolitis

NCT04489758
View directory record Official record
Conditions
Constrictive Bronchiolitis
Interventions
X-ray velocimetry analyzed by 4Dx XV Ventilation Analysis
Diagnostic Test
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 60 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 30, 2022 · Synced Oct 22, 2026, 5:58 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Validating Cardiac MRI Biomarkers and Genotype-Phenotype Correlations for DMD

NCT02834650
View directory record Official record
Conditions
Muscular Dystrophy, Duchenne
Interventions
Cardiac MRI with contrast, Cardiac MRI without contrast, Blood Test, Heart Rate, Pulmonary Function Test, Genetic Testing, Repeat MRI scan
Other
Lead sponsor
Stanford University
Other
Eligibility
7 Years to 21 Years · Male only
Enrollment
89 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
3
States / cities
Los Angeles, California • Orange, California • Stanford, California
Source: ClinicalTrials.gov public record
Updated May 10, 2022 · Synced Oct 22, 2026, 5:58 AM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Pulmonary Function by Litter Position

NCT07219290
View directory record Official record
Conditions
Hypothermia Due to Cold Environment, Trauma Patients
Interventions
LItter position PFTs
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 65 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Fresno, California
Source: ClinicalTrials.gov public record
Updated Apr 8, 2026 · Synced Oct 22, 2026, 5:58 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

COPD-Related Physiology and the Brain

NCT03269721
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive (COPD), Cognitive Impairment
Interventions
Neuropsychological Assessment, Spirometry, Arterial Blood Gas, Diffusion Capacity of the Lung for Carbon Monoxide, 6 Minute Walk Test, Systemic Vascular Measures, Blood Biomarkers, Symptom Questionnaire Measures, Brain MRI
Behavioral · Procedure · Diagnostic Test + 1 more
Lead sponsor
Karin Hoth
Other
Eligibility
30 Years to 85 Years
Enrollment
170 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2025
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Dec 24, 2025 · Synced Oct 22, 2026, 5:58 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Utility of Lung Clearance Index Score as a Noninvasive Marker of Deployment Lung Disease

NCT03012958
View directory record Official record
Conditions
Bronchiolitis, Pneumonitis, Dyspnea
Interventions
Lung clearance index (LCI)
Other
Lead sponsor
National Jewish Health
Other
Eligibility
18 Years and older
Enrollment
73 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 8, 2021 · Synced Oct 22, 2026, 5:58 AM EDT