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ClinicalTrials.gov public records Last synced Oct 28, 2026, 7:08 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 97–120 of 520 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Respiratory function tests Clear all
Completed No phase listed Observational Accepts healthy volunteers

Single-Breath Measurement Underestimates Ventilatory Volume According to Emphysema Severity

NCT00528944
View directory record Official record
Conditions
Emphysema
Interventions
Not listed
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 81 Years
Enrollment
73 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 7, 2015 · Synced Oct 28, 2026, 7:08 AM EDT
Completed No phase listed Observational

Clinical Validation of the LumiraDx SARS-CoV-2 & Flu A/B Combo Test

NCT05787444
View directory record Official record
Conditions
SARS-CoV-2, Influenza A, Influenza B, Asymptomatic COVID-19
Interventions
LumiraDx SARS-CoV-2 & Flu A/B
Diagnostic Test
Lead sponsor
LumiraDx UK Limited
Industry
Eligibility
2 Years and older
Enrollment
1,081 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Cullman, Alabama
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Oct 28, 2026, 7:08 AM EDT
Not listed Not applicable Interventional

Weathering the Storm: Lung, Heart, and Brain Vascular Rehabilitation for COVID-19

NCT04887272
View directory record Official record
Conditions
Covid19
Interventions
Supervised Exercise Training Protocol, Inspiratory Muscle and Exercise Training
Other
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years to 60 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 14, 2021 · Synced Oct 28, 2026, 7:08 AM EDT
Active, not recruiting Phase 3 Interventional

Extracorporeal Photopheresis for Medicare Recipients of Lung Allografts

NCT02181257
View directory record Official record
Conditions
Bronchiolitis Obliterans Syndrome (BOS)
Interventions
Extracorporeal Photopheresis (ECP), No intervention in the SOC / Retrospective Chart review.
Combination Product · Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
280 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2028
U.S. locations
22
States / cities
Birmingham, Alabama • Phoenix, Arizona • La Jolla, California + 18 more
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Oct 28, 2026, 7:08 AM EDT
Recruiting No phase listed Observational

Identifying Cerebral Hemodynamic Patterns in Mood Disorders and Mild Cognitive Impairment: A Functional Near-Infrared Spectroscopy (fNIRS) Study

NCT06897670
View directory record Official record
Conditions
Major Depressive Disorder, Bipolar Disorder, Mild Cognitive Impairment
Interventions
Observational assessment using functional near-infrared spectroscopy (fNIRS), a noninvasive, portable brain imaging tool that measures changes in brain blood flow and oxygen levels.
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
200 participants
Timeline
2025 – 2028
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Oct 28, 2026, 7:08 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

S-Nitrosylation (SNO) Therapy During Autologous Blood Transfusion

NCT03999229
View directory record Official record
Conditions
Transfusion Related Complication
Interventions
SNO, Normal Saline, Red Blood Cell
Drug
Lead sponsor
James Reynolds
Other
Eligibility
18 Years to 35 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2028
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 2, 2025 · Synced Oct 28, 2026, 7:08 AM EDT
Completed No phase listed Observational

Prematurity and Respiratory Outcomes Program (PROP)

NCT01435187
View directory record Official record
Conditions
Prematurity, Respiratory Disease
Interventions
Not listed
Lead sponsor
University of Pennsylvania
Other
Eligibility
1 Day to 7 Days
Enrollment
835 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
13
States / cities
Oakland, California • San Francisco, California • Indianapolis, Indiana + 8 more
Source: ClinicalTrials.gov public record
Updated Nov 7, 2016 · Synced Oct 28, 2026, 7:08 AM EDT
Completed No phase listed Observational

Systems Biology of Diffusion Impairment in Human Immunodeficiency Virus (HIV)

NCT03572335
View directory record Official record
Conditions
HIV Infections, Pulmonary Disease
Interventions
PFT's (pulmonary function testing)
Diagnostic Test
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 80 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 7, 2025 · Synced Oct 28, 2026, 7:08 AM EDT
Terminated Not applicable Interventional

Out of Plane Approach for Interscalene

NCT03785392
View directory record Official record
Conditions
Acute Pain, Brachial Plexus Block
Interventions
Group 1 In-plane, Group 2 out of plane
Procedure
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
18 Years to 85 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
2
States / cities
Galveston, Texas • League City, Texas
Source: ClinicalTrials.gov public record
Updated Dec 3, 2020 · Synced Oct 28, 2026, 7:08 AM EDT
Recruiting Not applicable Interventional

Inter-lobar Fissure Completion in Patients With Failed Bronchoscopic Lung Volume Reduction

NCT05257681
View directory record Official record
Conditions
Emphysema or COPD
Interventions
Interlobar fissure completion and pleural adhesiolysis
Procedure
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
40 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 28, 2026 · Synced Oct 28, 2026, 7:08 AM EDT
Completed No phase listed Observational

Cough in Reduced True Vocal Fold Mobility

NCT02407301
View directory record Official record
Conditions
Unilateral Vocal Cord Paresis, Unilateral Vocal Cord Paralysis
Interventions
cough airflow measure, vocal tasks, true vocal fold movement, spirometry test, maximum expiratory pressure (MEP)
Other
Lead sponsor
University of Florida
Other
Eligibility
40 Years to 75 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
2
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated May 13, 2016 · Synced Oct 28, 2026, 7:08 AM EDT
Completed Not applicable Interventional

Interleukin-1 Blockade With Canakinumab to Improve Exercise Capacity in Patients With Chronic Systolic Heart Failure and Elevated High Sensitivity C-reactive Protein (Hs-CRP)

NCT01900600
View directory record Official record
Conditions
Prior Acute Myocardial Infarction, Evidence of Systemic Inflammation (C Reactive Protein Plasma >2 mg/l), Reduced Left Ventricle Ejection Fraction (<50%), Symptoms of Heart Failure (NYHA Class II-III)
Interventions
Cardiopulmonary exercise test, Echocardiogram
Other
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years to 110 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Oct 10, 2018 · Synced Oct 28, 2026, 7:08 AM 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 25, 2025 · Synced Oct 28, 2026, 7:08 AM EDT
Withdrawn No phase listed Observational

The Ohio State University Asthma Registry

NCT00839748
View directory record Official record
Conditions
Asthma
Interventions
Not listed
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 1, 2021 · Synced Oct 28, 2026, 7:08 AM EDT
Recruiting No phase listed Observational

Predictive Biomarkers for Pneumonitis After Chemoradiotherapy and Immunotherapy in Patients With Non-small Cell Lung Cancer

NCT04913311
View directory record Official record
Conditions
Lung Non-Small Cell Carcinoma
Interventions
Biospecimen Collection, Bronchoscopy with Bronchoalveolar Lavage, Chemoradiotherapy, Computed Tomography, Diagnostic Laboratory Biomarker Analysis, Immune Checkpoint Inhibitor, Nasal Wash and Collection, Quality-of-Life Assessment, Questionnaire Administration, Spirometry
Procedure · Other · Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Not listed
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Oct 28, 2026, 7:08 AM 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 15, 2023 · Synced Oct 28, 2026, 7:08 AM EDT
Not listed No phase listed Observational

Investigate the Development and Progression of Lung Disease in Rheumatoid Arthritis Over Time

NCT03616158
View directory record Official record
Conditions
Rheumatoid Arthritis, Lung Diseases
Interventions
Not listed
Lead sponsor
National Jewish Health
Other
Eligibility
18 Years to 80 Years
Enrollment
340 participants
Timeline
2018 – 2024
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 6, 2019 · Synced Oct 28, 2026, 7:08 AM 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 28, 2026, 7:08 AM EDT
Completed No phase listed Observational

Vibration Response Imaging (VRI) in Lung Cancer Patients

NCT00506467
View directory record Official record
Conditions
Lung Cancer
Interventions
Vibration Response Imaging
Procedure
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years to 90 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 1, 2012 · Synced Oct 28, 2026, 7:08 AM EDT
Completed Not applicable Interventional

Residential Ventilation Systems and Filtration for Asthma Control in Adults

NCT06098287
View directory record Official record
Conditions
Asthma, Pollution; Exposure
Interventions
Residential mechanical ventilation system (Exhaust), Residential mechanical ventilation system (CFIS) and air filtration upgrades, Residential mechanical ventilation system (ERV) and air filtration upgrades
Device
Lead sponsor
Illinois Institute of Technology
Other
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 24, 2023 · Synced Oct 28, 2026, 7:08 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Evaluate Long Term Cardiovascular and Pulmonary Complications After COVID-19 With Point of Care Ultrasound

NCT04756193
View directory record Official record
Conditions
Covid19, Echocardiography, Ultrasound
Interventions
Point of care ultrasound including echocardiography, lung ultrasound, vascular ultrasound
Diagnostic Test
Lead sponsor
University of Louisville
Other
Eligibility
18 Years and older
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Oct 30, 2024 · Synced Oct 28, 2026, 7:08 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Resveratrol to Enhance Vitality and Vigor in Elders

NCT02123121
View directory record Official record
Conditions
Mitochondrial Function, Physical Function
Interventions
Resveratrol 1000 mg/day, Resveratrol 1500 mg/day, Vegetable cellulose, All groups
Drug · Other
Lead sponsor
University of Florida
Other
Eligibility
65 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Apr 26, 2024 · Synced Oct 28, 2026, 7:08 AM EDT
Active, not recruiting Phase 3 Interventional

Fentanyl Buccal Tablet or Morphine for Exertional Dyspnea in Cancer Patients

NCT04188418
View directory record Official record
Conditions
Hematopoietic and Lymphoid Cell Neoplasm, Malignant Solid Neoplasm
Interventions
Fentanyl Citrate Buccal Tablet, Morphine, Physical Performance Testing, Placebo Administration, Quality-of-Life Assessment, Questionnaire Administration
Drug · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Oct 28, 2026, 7:08 AM EDT
Completed No phase listed Observational

Determinants of Early Cystic Fibrosis Lung Disease

NCT03579173
View directory record Official record
Conditions
Cystic Fibrosis in Children
Interventions
Infant PFT, Lung Clearance Index, Passive tidal breathing
Diagnostic Test
Lead sponsor
Indiana University
Other
Eligibility
1 Month to 5 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jun 22, 2022 · Synced Oct 28, 2026, 7:08 AM EDT