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ClinicalTrials.gov public records Last synced Oct 19, 2026, 4:20 AM EDT

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Showing 121–144 of 210 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: spirometry Clear all
Completed No phase listed Observational

Detection of Postoperative Respiratory Depression in High Risk Patients Utilizing Minute Ventilation Monitoring

NCT04017702
View directory record Official record
Conditions
Respiratory Depression
Interventions
Expiron respirator
Device
Lead sponsor
Yale University
Other
Eligibility
18 Years to 80 Years
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 1, 2022 · Synced Oct 19, 2026, 4:20 AM EDT
Recruiting No phase listed Observational

Vitamin C to Decrease Effects of Smoking in Pregnancy on Infant Lung Function (VCSIP) Longer Term Follow Up

NCT06106646
View directory record Official record
Conditions
Asthma, Pulmonary Function, Wheezing, In Utero Nicotine
Interventions
No active intervention in this protocol (previously randomized to Vitamin C), No active intervention in this protocol (previously randomized to Placebo)
Dietary Supplement · Other
Lead sponsor
Oregon Health and Science University
Other
Eligibility
6 Years to 16 Years
Enrollment
225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
2
States / cities
Indianapolis, Indiana • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 18, 2025 · Synced Oct 19, 2026, 4:20 AM EDT
Completed Phase 4 Interventional Results available

Crossover Study Comparing Fluticasone Furoate (FF)/Vilanterol (VI) Once Daily Versus Fluticasone Propionate (FP) Twice Daily in Subjects With Asthma and Exercise-Induced Bronchoconstriction (EIB)

NCT02730351
View directory record Official record
Conditions
Asthma
Interventions
Fluticasone furoate/ Vilanterol 100 mcg/25 mcg, Fluticasone propionate 250 mcg, Placebo via ELLIPTA inhaler, Placebo via DISKUS / ACCUHALER
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
12 Years to 50 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
13
States / cities
Huntington Beach, California • Los Angeles, California • San Diego, California + 9 more
Source: ClinicalTrials.gov public record
Updated Jul 16, 2019 · Synced Oct 19, 2026, 4:20 AM EDT
Recruiting Not applicable Interventional

Effects of Lung Volume on Upper Airway Patency During Drug Induced Sleep Endoscopy

NCT05350332
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Negative Pressure Ventilator, Pulmonary Function Testing (PFT), Transcutaneous Phrenic Nerve Stimulation, Percutaneous Phrenic Nerve Stimulation
Device
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
151 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Oct 19, 2026, 4:20 AM EDT
Completed Phase 2 Interventional

24hr Effects of Tiotropium Bromide in Tetraplegia

NCT02586649
View directory record Official record
Conditions
Spinal Cord Injury
Interventions
Tiotropium Bromide, Placebo
Drug
Lead sponsor
James J. Peters Veterans Affairs Medical Center
Federal
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 16, 2020 · Synced Oct 19, 2026, 4:20 AM EDT
Completed No phase listed Observational

Respiration Measured Via End-tidal CO2 and Spirometry Study (RESPI)

NCT07537478
View directory record Official record
Conditions
Respiration Rate Detection
Interventions
Wearable Respiration mask - exercise, Wearable respiration Mask
Device
Lead sponsor
Boston Scientific Corporation
Industry
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 14, 2026 · Synced Oct 19, 2026, 4:20 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

100-Year Human Aging Study

NCT07563777
View directory record Official record
Conditions
Aging, Aging Well, All-Cause Mortality, Mortality, Metabolic Syndrome, Cardiovascular Diseases, Cognitive Dysfunction, Musculoskeletal Diseases, Neoplasms, Frailty, Activities of Daily Living, Health-Related Quality of Life, Disability Physical, Neuro-Degenerative Disease, Dementia
Interventions
Comprehensive Multi-System Clinical Screening
Diagnostic Test
Lead sponsor
Longevity Metrics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,000,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2099
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Oct 19, 2026, 4:20 AM EDT
Recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

Chronic Lung Allograft Dysfunction MRI Study

NCT06406777
View directory record Official record
Conditions
Chronic Lung Allograft Dysfunction Lung MRI (CLAD)
Interventions
Spirometry, Contrast Lung Computed Tomography (CT) Scan, Oxygen enhanced magnetic resonance imaging (OE-MRI) Scan, 129Xe MRI scans
Diagnostic Test · Drug
Lead sponsor
Sean Fain
Other
Eligibility
18 Years to 80 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Aug 6, 2026 · Synced Oct 19, 2026, 4:20 AM EDT
Withdrawn Not applicable Interventional

Inpatient ICOUGH RECOVERY App Version 2.0

NCT03599037
View directory record Official record
Conditions
Post Operative Complications, Pneumonia
Interventions
ICOUGH Recovery App v2.0
Other
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 23, 2021 · Synced Oct 19, 2026, 4:20 AM EDT
Not listed No phase listed Observational

Ventilation Imbalances in Mild to Moderate Chronic Obstructive Pulmonary Disease

NCT04880551
View directory record Official record
Conditions
COPD, Dyspnea, Respiratory Disease, Lung Diseases
Interventions
Fluoroscopy
Radiation
Lead sponsor
Oregon Health and Science University
Other
Eligibility
30 Years to 85 Years
Enrollment
15 participants
Timeline
2021 – 2024
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jul 7, 2021 · Synced Oct 19, 2026, 4:20 AM EDT
Completed Not applicable Interventional

Iloprost in Gas Exchange/Pulm Mechanics in Chronic Obstructive Pulmonary Disease (COPD)

NCT00561223
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease, Pulmonary Hypertension
Interventions
iloprost Inhalation, iloprost
Drug
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2012
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Feb 15, 2024 · Synced Oct 19, 2026, 4:20 AM EDT
Completed Phase 3 Interventional

Cross-sectional Study for Identification and Description of Severe Asthma Patients

NCT02293265
View directory record Official record
Conditions
Asthma
Interventions
Short Acting Beta Agonist (SABA)
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
12 Years and older
Enrollment
767 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
21
States / cities
Little Rock, Arkansas • Fresno, California • Los Angeles, California + 18 more
Source: ClinicalTrials.gov public record
Updated Apr 4, 2016 · Synced Oct 19, 2026, 4:20 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Regional Phenotyping of CF and Non-CF Bronchiectasis

NCT04793867
View directory record Official record
Conditions
Cystic Fibrosis, Non-CF Bronchiectasis
Interventions
Xenon
Drug
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
5 Years to 100 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2028
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 7, 2026 · Synced Oct 19, 2026, 4:20 AM EDT
Completed Phase 2 Interventional Results available

A 3-period Crossover Study With GSK573719 as Monotherapy in Adult Subjects With Asthma

NCT01641692
View directory record Official record
Conditions
Asthma
Interventions
GSK573719 Active treatment or Placebo, GSK573719 (Sub-group cohort), Salbutamol/Albuterol
Drug · Procedure
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
12
States / cities
Newport Beach, California • Sunset, Louisiana • Bethesda, Maryland + 9 more
Source: ClinicalTrials.gov public record
Updated Mar 9, 2017 · Synced Oct 19, 2026, 4:20 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Brain Integrity in Survivors of Hodgkin Lymphoma Treated With Thoracic Radiation

NCT01820117
View directory record Official record
Conditions
Hodgkin Lymphoma
Interventions
Neurocognitive Evaluation, Quantitative Brain Imaging, Neurologic Evaluation, Health Questionnaire, Vascular Testing, Cardiopulmonary Exercise Testing, Echocardiography, Pulmonary Function Testing, Serum Biomarkers, Ophthalmology Examination
Other · Procedure
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
18 Years and older
Enrollment
416 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 1, 2018 · Synced Oct 19, 2026, 4:20 AM EDT
Completed Not applicable Interventional

Evaluating the Effectiveness of Incentive Spirometry

NCT02952027
View directory record Official record
Conditions
Dyspnea, Respiratory Rate, Oxygen Saturation, Oxygen Requirements, FEV1, FVC, Atelectasis, Pneumonia, Re-intubation, Hospital Length of Stay, Nursing Workload, Incentive Spirometry
Interventions
Use-recording, patient-reminder alarm for incentive spirometry
Behavioral
Lead sponsor
Lifespan
Other
Eligibility
18 Years and older
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Aug 7, 2018 · Synced Oct 19, 2026, 4:20 AM EDT
Completed Phase 3 Interventional Results available

Characterisation of 24-hour FEV1-time Profiles of Inhaled BI 1744 CL and Inhaled Foradil in Patients With Chronic Obstructive Pulmonary Disease

NCT00932646
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
BI 1744 (Olodaterol) Low Dose, BI 1744 (Olodaterol) Medium Dose, Placebo, Foradil
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
40 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2009
U.S. locations
13
States / cities
Jasper, Alabama • Clearwater, Florida • DeLand, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated Feb 5, 2016 · Synced Oct 19, 2026, 4:20 AM EDT
Completed Phase 2Phase 3 Interventional

Bronchial Thermoplasty for Severe Asthmatics Guided by HXe MRI

NCT01832363
View directory record Official record
Conditions
Asthma
Interventions
HXe MRI guided treatment sequence for BT, Standard treatment sequence for BT (control)
Drug · Other
Lead sponsor
Xemed LLC
Industry
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 28, 2019 · Synced Oct 19, 2026, 4:20 AM EDT
Recruiting Not applicable Interventional

Evaluation of Gender-Affirming Treatments on Pulmonary Function in Transgender and Gender Diverse Patients

NCT05587751
View directory record Official record
Conditions
Hormonal Gender-Affirming Therapy
Interventions
Spirometry, Plethysmography
Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
14 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced Oct 19, 2026, 4:20 AM EDT
Active, not recruiting Not applicable Interventional

Impact of Diaphragmatic Breathing Coaching on Deep Inspiration Breath Hold Reproducibility and Organ Protection

NCT06747533
View directory record Official record
Conditions
Breathing, Mouth
Interventions
CT simulation
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 22, 2026 · Synced Oct 19, 2026, 4:20 AM EDT
Recruiting Phase 2 Interventional

Using Xe MRI to Guide Radiation Therapy for Lung Cancer

NCT06925295
View directory record Official record
Conditions
Imaging Techniques
Interventions
Xenon MRI, Pulmonary Function Testing, Quality of Life Questionnaire, Medical Research Council Dyspnea score, St. George's Respiratory Questionnaire, Blood Biomarkers
Drug · Diagnostic Test · Other
Lead sponsor
Sean Fain
Other
Eligibility
18 Years to 80 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jan 2, 2026 · Synced Oct 19, 2026, 4:20 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Effect of Postoperative Incentive Spirometry on Pulmonary Function and Pulmonary Complications in Bariatric Surgery

NCT02431455
View directory record Official record
Conditions
Obesity, Morbid, Complications of Bariatric Procedures, Pulmonary Atelectasis, Pneumonia
Interventions
Incentive spirometer, No incentive spirometer
Device
Lead sponsor
Lahey Clinic
Other
Eligibility
18 Years and older
Enrollment
224 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Burlington, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 25, 2016 · Synced Oct 19, 2026, 4:20 AM EDT
Completed Not applicable Interventional Results available

E-Visit for COPD and Smoking Cessation

NCT04155073
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive, Cigarette Smoking, Telemedicine
Interventions
smoking cessation, early COPD detection, electronic visit, Treatment As Usual
Behavioral · Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
40 Years and older
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Feb 21, 2024 · Synced Oct 19, 2026, 4:20 AM 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, 4:20 AM EDT