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ClinicalTrials.gov public records Last synced Oct 19, 2026, 10:28 PM EDT

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Showing 1–24 of 180 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Lung function measurements Clear all
Terminated Not applicable Interventional

Conjugated Hyperbilirubinemia and Pulse Oximetry

NCT00741117
View directory record Official record
Conditions
Liver Disease, Hyperbilirubinemia
Interventions
Arterial Blood Gas, Pulse Oximetry Machine, Direct and Indirect Serum Bilirubin Measurement
Procedure
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 6, 2013 · Synced Oct 19, 2026, 10:28 PM EDT
Completed No phase listed Observational

CIMT and Plaque Assessment Findings in Subjects Undergoing Stress Echocardiography For Risk Stratification

NCT02245048
View directory record Official record
Conditions
Cardiovascular Risk Stratification, Carotid Intima-media Thickness (CIMT), Stress Echocardiography (SE)
Interventions
Carotid Intima-Media Thickness (CIMT)
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated May 3, 2023 · Synced Oct 19, 2026, 10:28 PM EDT
Completed Not applicable Interventional

Safety and Feasibility of a Novel Device for Assessing Respiratory Function in Children

NCT04873193
View directory record Official record
Conditions
Asthma in Children
Interventions
Leo device
Device
Lead sponsor
ResMed
Industry
Eligibility
3 Years to 18 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 26, 2022 · Synced Oct 19, 2026, 10:28 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Microvascular Function in Patients Undergoing 5-Fluorouracil Chemotherapy

NCT04042298
View directory record Official record
Conditions
Gastrointestinal Cancer, Head and Neck Cancer, Breast Cancer, Chemotherapy Effect, 5-Fluorouracil Toxicity
Interventions
Arterial blood pressure, Skin microcirculatory blood flow, Brachial artery blood flow, Venous blood draw
Other
Lead sponsor
Kansas State University
Other
Eligibility
21 Years and older
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Manhattan, Kansas
Source: ClinicalTrials.gov public record
Updated Sep 2, 2025 · Synced Oct 19, 2026, 10:28 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Does Capnography Prevent Hypoxemia During Endoscopic Retrograde Cholangiopancreatography and Endoscopic Ultrasound?

NCT00675415
View directory record Official record
Conditions
Hypoxemia
Interventions
Capnography
Diagnostic Test
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
263 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 28, 2017 · Synced Oct 19, 2026, 10:28 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Prospective Study of Ventral Hernia Repair

NCT00894582
View directory record Official record
Conditions
Ventral Hernia
Interventions
Components separation hernia repair
Procedure
Lead sponsor
Northwestern University
Other
Eligibility
Not listed
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 7, 2009 · Synced Oct 19, 2026, 10:28 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 19, 2026, 10:28 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

RDS MultiSense® SpO2 Calibration

NCT05466942
View directory record Official record
Conditions
Hypoxia
Interventions
Pulse Oximeter, Respiratory Rate, Heart Rate
Device
Lead sponsor
Rhythm Diagnostic Systems
Industry
Eligibility
18 Years to 50 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Louisville, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 19, 2024 · Synced Oct 19, 2026, 10:28 PM EDT
Completed Not applicable Interventional Results available

Relationship Between EIT and Respiratory Status in Very Preterm Infants

NCT06609135
View directory record Official record
Conditions
Chronic Lung Disease of Prematurity, Bronchopulmonary Dysplasia, Premature Lungs
Interventions
Sentec LuMon Device (EIT system), Sentec Digital Monitoring System (transcutaneous CO2 monitor)
Device
Lead sponsor
Lawrence Rhein
Other
Eligibility
5 Days and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 9, 2025 · Synced Oct 19, 2026, 10:28 PM EDT
Terminated Phase 4 Interventional Results available

Inpatient Clinical Trial of NAC

NCT03581084
View directory record Official record
Conditions
Asthma
Interventions
N-acetylcysteine
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 80 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 26, 2021 · Synced Oct 19, 2026, 10:28 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Phase Resolved Functional Lung MRI and Oscillometry for the Observation of Healthy Lung Function

NCT07614685
View directory record Official record
Conditions
Breathing, Lung Function Decreased, MRI Imaging, Healthy
Interventions
Airway Oscillometer, Phase Resolved Functional Lung MRI
Device · Diagnostic Test
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Sep 11, 2026 · Synced Oct 19, 2026, 10:28 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 7, 2020 · Synced Oct 19, 2026, 10:28 PM EDT
Recruiting No phase listed Observational

A Study of Post COVID-19 Mechanisms for Chronic Lung Sequelae

NCT06006884
View directory record Official record
Conditions
COVID-19
Interventions
Bronchoscopies and Bronchoalveolar Lavages (BALs), Chest Tomography (CT), Electrocardiogram (ECG), Pulmonary function tests (PFTs), 6 minute walk test (6MWT)
Procedure · Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Oct 19, 2026, 10:28 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 9, 2011 · Synced Oct 19, 2026, 10:28 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 17, 2025 · Synced Oct 19, 2026, 10:28 PM EDT
Terminated Not applicable Interventional

Yoga in Improving Quality of Life in Patients With Non-small Cell Lung Cancer Undergoing Treatment

NCT02895503
View directory record Official record
Conditions
Non-small Cell Lung Cancer, Recurrent Non-Small Cell Lung Carcinoma
Interventions
Yoga, Support Group Therapy, FACT-L, Pulmonary function test
Behavioral · Other
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
Not listed
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 9, 2016 · Synced Oct 19, 2026, 10:28 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Relative Sarcopenia and Cardiometabolic Risk in Young Adults With Obesity

NCT04195061
View directory record Official record
Conditions
Overweight and Obesity, Insulin Resistance
Interventions
Cardiopulmonary exercise test (CPET)
Procedure
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 30, 2024 · Synced Oct 19, 2026, 10:28 PM EDT
Not listed No phase listed Observational

Keller Prehospital Ultrasound Study

NCT01074112
View directory record Official record
Conditions
Ultrasonography, Multiple Trauma, Kidney Calculi, Aortic Aneurysm, Abdominal, Pregnancy, Catheterization, Venous
Interventions
EFAST exam, Pelvic Ultrasound, Ultrasound Guided Vascular Access, Focused Ultrasound Scan, Cardiac Ultrasound
Device · Procedure
Lead sponsor
Keller Fire Rescue
Government
Eligibility
Not listed
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2010
U.S. locations
1
States / cities
Keller, Texas
Source: ClinicalTrials.gov public record
Updated Feb 24, 2010 · Synced Oct 19, 2026, 10:28 PM EDT
Recruiting No phase listed Observational

Detection of Unsuspected Small Airways Obstruction in Cystic Fibrosis

NCT03839992
View directory record Official record
Conditions
Cystic Fibrosis in Children
Interventions
spirometry
Diagnostic Test
Lead sponsor
Gelb, Arthur F., M.D.
Individual
Eligibility
5 Years to 40 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
2
States / cities
Lakewood, California • Long Beach, California
Source: ClinicalTrials.gov public record
Updated Oct 26, 2023 · Synced Oct 19, 2026, 10:28 PM EDT
Completed No phase listed Observational

Functional Modeling of the Pediatric Airway

NCT01690078
View directory record Official record
Conditions
Subglottic Stenosis (SGS), Pierre Robin Sequence (PRS), Micrognathia, Normal Controls From CT Scans of the Upper Airway
Interventions
Not listed
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
Up to 17 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 20, 2017 · Synced Oct 19, 2026, 10:28 PM 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 19, 2026, 10:28 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Examining Heavy Metal Exposure and Respiratory Health in Young Adult Electronic Cigarette Users

NCT07215065
View directory record Official record
Conditions
Heavy Metal Exposure From Vaping
Interventions
Non-Interventional Study
Other
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years to 29 Years
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated May 20, 2026 · Synced Oct 19, 2026, 10:28 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Smoking Cessation and Functional CT Assessment

NCT03382106
View directory record Official record
Conditions
Emphysema
Interventions
Sildenafil 20 MG, Placebo Oral Tablet, Pulse wave velocity, Carotid artery compliance and stiffness, Pressure wave reflection
Drug · Diagnostic Test
Lead sponsor
Eric A. Hoffman
Other
Eligibility
21 Years to 65 Years
Enrollment
162 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Feb 14, 2025 · Synced Oct 19, 2026, 10:28 PM EDT
Completed Not applicable Interventional

Mindful Movement and Breathing to Improve Outcomes of Gynecologic Surgery

NCT01593657
View directory record Official record
Conditions
Gynecologic Malignancy, Abdominal Surgery by Laparotomy, Pain, Psychological Distress, Lung Function, Surgical Complications
Interventions
Mindful Movement and Breathing program, Questionnaire administration, The Observer Mobility Scale, Volumetric Incentive Spirometry
Other · Procedure
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older · Female only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 3, 2018 · Synced Oct 19, 2026, 10:28 PM EDT