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ClinicalTrials.gov public records Last synced Oct 29, 2026, 9:37 AM EDT

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

Showing 241–264 of 520 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Respiratory function tests Clear all
Completed No phase listed Observational

Histoblood Group Antigens as a Risk Factor of Asthma

NCT00201266
View directory record Official record
Conditions
Asthma, Lung Diseases
Interventions
Screening
Procedure
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 75 Years
Enrollment
126 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2013
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 9, 2026 · Synced Oct 29, 2026, 9:37 AM EDT
Completed No phase listed Observational

Investigate the Aerosol Particle Distribution During Aerosol Generating Procedures

NCT04353531
View directory record Official record
Conditions
Transmission, Patient Professional, High-flow Nasal Cannula
Interventions
High-flow nasal cannula, Surgical mask, bronchoscopy examination, intubation, tracheostomy, nebulization, Pulmonary function test
Device · Procedure · Diagnostic Test
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 23, 2021 · Synced Oct 29, 2026, 9:37 AM EDT
Terminated Phase 2 Interventional

Safety and Efficacy of Saracatinib In Subjects With Lymphangioleiomyomatosis

NCT02737202
View directory record Official record
Conditions
Pulmonary Lymphangioleiomyomatosis
Interventions
saracatinib
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
5
States / cities
Stanford, California • Chicago, Illinois • Bethesda, Maryland + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 30, 2020 · Synced Oct 29, 2026, 9:37 AM EDT
Completed Not applicable Interventional

Peak Expiratory Flow Rate for Emergency Department Management of Acute Asthma Exacerbation

NCT03420651
View directory record Official record
Conditions
Asthma
Interventions
Peak Expiratory Flow Rate (PEFR), Standard Clinical Judgement
Other
Lead sponsor
Hennepin Healthcare Research Institute
Other
Eligibility
16 Years to 55 Years
Enrollment
188 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 21, 2023 · Synced Oct 29, 2026, 9:37 AM EDT
Completed Phase 1 Interventional

Bendamustine in Combination With Lenalidomide and Dexamethasone in Refractory or Relapsed Multiple Myeloma

NCT01042704
View directory record Official record
Conditions
Myeloma
Interventions
Bendamustine, Lenalidomide, Dexamethasone, Aspirin, Prophylaxis, Antibiotic, Biweekly Follow Up, Cyclical Follow Up, Restaging, Post-Treatment Follow Up
Drug · Other
Lead sponsor
Robert Redner, MD
Other
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2015
U.S. locations
22
States / cities
Detroit, Michigan • Steubenville, Ohio • Beaver, Pennsylvania + 13 more
Source: ClinicalTrials.gov public record
Updated Jul 31, 2017 · Synced Oct 29, 2026, 9:37 AM EDT
Completed Phase 3 Interventional Results available

Nintedanib Twice Daily vs Placebo in Patients Diagnosed With Idiopathic Pulmonary Fibrosis (IPF)

NCT01979952
View directory record Official record
Conditions
Idiopathic Pulmonary Fibrosis
Interventions
Matching Placebo, Nintedanib
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
40 Years and older
Enrollment
113 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
11
States / cities
Danbury, Connecticut • Sarasota, Florida • Skokie, Illinois + 8 more
Source: ClinicalTrials.gov public record
Updated Apr 17, 2018 · Synced Oct 29, 2026, 9:37 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Dynamic in Vivo PET Imaging and ex Vivo Biopsies From Skeletal Muscle and Adipose Tissue to Investigate the Effects of Exercise on Insulin Resistance and Mitochondrial Energetics in Type 2 Diabetes

NCT04754581
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
Maximal ATP Production (ATPmax), Exercise Testing (VO2max), Muscle Biopsy, Adipose Tissue Biopsy, Hyperinsulinemic euglycemic clamp, PET imaging
Other · Procedure
Lead sponsor
AdventHealth Translational Research Institute
Other
Eligibility
30 Years to 65 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Oct 29, 2026, 9:37 AM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

The Effects of Sound Energy on Pulmonary Gas Exchange

NCT02447731
View directory record Official record
Conditions
Respiratory Failure
Interventions
Induction of sound waves in lungs by "sonic oscillator"
Device
Lead sponsor
Loma Linda University
Other
Eligibility
21 Years to 59 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated May 3, 2017 · Synced Oct 29, 2026, 9:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Studies to Determine Whether Oxygen Sensing is Impaired in Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Infected Patients

NCT04954157
View directory record Official record
Conditions
Hypoxia, SARS-CoV-2 Acute Respiratory Disease, Carotid Bodies
Interventions
Phase-1: Breath Holding Test, Phase 2: 6-Minute Walk Test (6MWT)
Diagnostic Test
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 16, 2022 · Synced Oct 29, 2026, 9:37 AM 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 23, 2012 · Synced Oct 29, 2026, 9:37 AM EDT
Completed No phase listed Observational Results available

Airway Limitation Study: Study In Primary Care Centers Of Chronic Bronchitis In Long-Term Cigarette Smokers Of At Least 40 Years Of Age With Symptoms Of Cough And Shortness Of Breath

NCT00442468
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
Non-interventional study.
Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
40 Years and older
Enrollment
1,283 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
47
States / cities
Highlands Ranch, Colorado • Wheat Ridge, Colorado • Clearwater, Florida + 43 more
Source: ClinicalTrials.gov public record
Updated Jan 10, 2013 · Synced Oct 29, 2026, 9:37 AM EDT
Completed Not applicable Interventional

Virtual Mindfulness and Weight Management to Mitigate Risk of Relapse and Improve Wellbeing in Cancer Survivors

NCT06030427
View directory record Official record
Conditions
Hematopoietic and Lymphoid System Neoplasm, Malignant Solid Neoplasm, Obesity-Related Malignant Neoplasm
Interventions
Behavioral Dietary Intervention, Educational Intervention, Health Promotion and Education, Internet-Based Intervention, Interview, Medical Device Usage and Evaluation, Mindfulness Relaxation, Physical Performance Testing, Questionnaire Administration
Behavioral · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
La Crosse, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 24, 2025 · Synced Oct 29, 2026, 9:37 AM EDT
Completed Not applicable Interventional

Improving Resection Rates Among African Americans With NSCLC

NCT01885455
View directory record Official record
Conditions
Non-small Cell Lung Cancer (NSCLC)
Interventions
Usual Care, Intervention Arm
Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
21 Years and older
Enrollment
248 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
10
States / cities
Lewes, Delaware • Savannah, Georgia • Chicago, Illinois + 7 more
Source: ClinicalTrials.gov public record
Updated May 12, 2020 · Synced Oct 29, 2026, 9:37 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Integrative-omics of the Disordered COPD Small Airway Epithelium

NCT02183818
View directory record Official record
Conditions
Smoking, COPD
Interventions
Not listed
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 100 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 28, 2021 · Synced Oct 29, 2026, 9:37 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Stress and Menstrual Health

NCT07566260
View directory record Official record
Conditions
Menstrual Dysfunction
Interventions
Heat stress, Sleep stress, Exercise stress
Other
Lead sponsor
Duke University
Other
Eligibility
22 Years to 38 Years · Female only
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 9, 2026 · Synced Oct 29, 2026, 9:37 AM EDT
Recruiting No phase listed Observational

A Study to Determine Whether Perioperative Energy Dynamics Correlates With Postoperative Outcomes

NCT00493688
View directory record Official record
Conditions
Abdominal Cancer, Pelvic Cancer
Interventions
Cardiopulmonary Exercise Testing (CPET)
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2028
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Oct 29, 2026, 9:37 AM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Non-Invasive Bioelectronic Analytics

NCT04100486
View directory record Official record
Conditions
Autonomic Dysfunction, Autonomic Imbalance, Autonomic Nervous System Diseases, Vagus Nerve Autonomic Disorder
Interventions
Standing-Squatting-Standing Test, Deep Breathing Test, Cold Pressor Test, Cold Face Test, Valsalva Maneuver, Transcutaneous Auricular Vagus Nerve Stimulation (taVNS)
Other · Device
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 60 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2027
U.S. locations
1
States / cities
Manhasset, New York
Source: ClinicalTrials.gov public record
Updated Jun 9, 2026 · Synced Oct 29, 2026, 9:37 AM EDT
Terminated Not applicable Interventional

A Study of Cytotoxic T Lymphocyte (CTL) Therapy in HIV-Infected Patients

NCT00000824
View directory record Official record
Conditions
HIV Infections
Interventions
Lymphocytes, Activated
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2005
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Dec 14, 2016 · Synced Oct 29, 2026, 9:37 AM 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 29, 2026, 9:37 AM EDT
Completed Not applicable Interventional Results available

COPD Assessment and Management Bundle Versus Usual Care

NCT01833026
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Spirometry test, Levalbuterol
Device · Drug
Lead sponsor
University of Illinois Chicago
Other
Eligibility
40 Years and older
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 24, 2019 · Synced Oct 29, 2026, 9:37 AM EDT
Active, not recruiting No phase listed Observational

Long Term Follow up of Children Enrolled in the REDvent Study

NCT03709199
View directory record Official record
Conditions
Respiratory Distress Syndrome, Adult, Ventilator-Induced Lung Injury, Neurocognitive Dysfunction, Quality of Life, Respiration Disorders
Interventions
Ventilation Inhomogeneity, Diaphragm Ultrasound, Respiratory Inductance Plethysmography, Spirometry, Functional Residual Capacity, MIP/MEP, 6 minute walk test, Neurocognitive Testing, Emotional Health Assessment, Health Related Quality of Life, Functional Status, Respiratory Status Questionnaire
Diagnostic Test
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
1 Month to 18 Years
Enrollment
176 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 17, 2025 · Synced Oct 29, 2026, 9:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Duration of Red Blood Cell Storage Prior to Transfusion

NCT02087514
View directory record Official record
Conditions
Iron, Blood Level Abnormal
Interventions
Blood Transfusion, Packed red blood cells
Procedure · Other
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 19, 2018 · Synced Oct 29, 2026, 9:37 AM EDT
Completed No phase listed Observational

Respiratory Muscle Function in Untreated X-Linked Myotubular Myopathy (XLMTM)

NCT02453152
View directory record Official record
Conditions
X-linked Myotubular Myopathy
Interventions
History and physical, Tidal breathing, Maximal respiratory pressures, Peak cough flow, Pediatric Evaluation of Disability Inventory, PedsQL Multidimensional Fatigue Scale, Review of ventilation requirements
Other
Lead sponsor
University of Florida
Other
Eligibility
Up to 14 Years · Male only
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Feb 15, 2021 · Synced Oct 29, 2026, 9:37 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 29, 2026, 9:37 AM EDT