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Showing 1–24 of 980 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Pulmonary Ventilation Clear all
Recruiting Not applicable Interventional Accepts healthy volunteers

Immune Defense Protein Impact On Respiratory Immune Outcomes

NCT07431840
View directory record Official record
Conditions
Upper Respiratory Disease, Influenza, Viral Upper Respiratory Infection
Interventions
Immune Defense Protein 50mg Dose, IDP 200mg Dose, Matching Placebo
Dietary Supplement
Lead sponsor
Quantec Ltd
Industry
Eligibility
60 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 11, 2026 · Synced Sep 3, 2026, 10:25 AM EDT
Terminated Phase 2 Interventional Results available

Study to Evaluate the Safety, Tolerability, and Efficacy of BGE-175 in Hospitalized Adults With Coronavirus Disease 2019 (COVID-19) That Are Not in Respiratory Failure

NCT04705597
View directory record Official record
Conditions
Covid19
Interventions
BGE-175, Placebo
Drug · Other
Lead sponsor
BioAge Labs, Inc.
Industry
Eligibility
50 Years and older
Enrollment
194 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
11
States / cities
Mesa, Arizona • Chula Vista, California • Long Beach, California + 8 more
Source: ClinicalTrials.gov public record
Updated Jul 2, 2023 · Synced Sep 3, 2026, 10:25 AM EDT
Completed Phase 1Phase 2 Interventional

Feasibility of Mid-frequency Ventilation in Newborns With RDS: Randomized Crossover Pilot Trial

NCT01242462
View directory record Official record
Conditions
Respiratory Distress Syndrome, Newborn
Interventions
Conventional Pressure Controlled SIMV, Mid-frequency Ventilation
Procedure · Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
1 Hour to 7 Days
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jun 1, 2014 · Synced Sep 3, 2026, 10:25 AM EDT
Completed Not applicable Interventional

Proning Early in Awake COVID-19 Hypoxic Respiratory Failure (PREACHR) Study

NCT05130541
View directory record Official record
Conditions
Covid19, Respiratory Failure
Interventions
Proning, Supportive Care
Behavioral · Other
Lead sponsor
New York Hospital Queens
Other
Eligibility
18 Years and older
Enrollment
219 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Flushing, New York
Source: ClinicalTrials.gov public record
Updated Nov 22, 2021 · Synced Sep 3, 2026, 10:25 AM EDT
Completed Not applicable Interventional

Stellate Ganglion Block (SGB) for COVID-19 Acute Respiratory Distress Syndrome (ARDS)

NCT04402840
View directory record Official record
Conditions
Acute Respiratory Distress Syndrome, COVID-19
Interventions
Stellate Ganglion Block
Procedure
Lead sponsor
West Virginia University
Other
Eligibility
18 Years to 80 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Apr 24, 2025 · Synced Sep 3, 2026, 10:25 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Aerosolized Surfactant in Neonatal RDS

NCT02294630
View directory record Official record
Conditions
Respiratory Distress Syndrome, Newborn
Interventions
Surfactant
Drug
Lead sponsor
Sood, Beena G., MD, MS
Individual
Eligibility
Up to 24 Hours
Enrollment
159 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 24, 2021 · Synced Sep 3, 2026, 10:25 AM EDT
Recruiting Not applicable Interventional

Neurocognitive and Health Impact of Sleep Apnea in Elderly Veterans With Comorbid COPD

NCT02703207
View directory record Official record
Conditions
Obstructive Sleep Apnea, OSA COPD Overlap Syndrome
Interventions
Positive airway pressure, NIPPV and /or oxygen
Device
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
60 Years to 89 Years
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2027
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated May 25, 2026 · Synced Sep 3, 2026, 10:25 AM EDT
Terminated Not applicable Interventional Results available

Effect of Synchronized vs. Continuous HFNC Using NAVA on WOB in Infants With BPD

NCT04274192
View directory record Official record
Conditions
Bronchopulmonary Dysplasia
Interventions
Synchronized HFNC at 6 liters per minute (LPM), Continuous HFNC at 6 liters per minute (LPM), Synchronized HFNC at 8 liters per minute (LPM), Continuous HFNC at 8 liters per minute (LPM)
Other
Lead sponsor
University of Arkansas
Other
Eligibility
28 Days to 1 Year
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated May 4, 2022 · Synced Sep 3, 2026, 10:25 AM EDT
Withdrawn Early Phase 1 Interventional

S-Nitrosylation Therapy of COVID-19

NCT04528771
View directory record Official record
Conditions
SARS-CoV2 Infection, Covid19
Interventions
SNO, Nitrogen gas
Drug
Lead sponsor
James Reynolds
Other
Eligibility
18 Years to 89 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated May 6, 2025 · Synced Sep 3, 2026, 10:25 AM EDT
Completed No phase listed Observational

Observational Crossover Study Comparing Oxygenation and Ventilation Using SiPAP Versus CPAP in LBW Infants

NCT01053455
View directory record Official record
Conditions
Ventilation, Respiratory Distress Syndrome
Interventions
SiPAP
Device
Lead sponsor
Children's Hospitals and Clinics of Minnesota
Other
Eligibility
Not listed
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 21, 2012 · Synced Sep 3, 2026, 10:25 AM EDT
Completed Phase 3 Interventional

Ventilatory Muscle Training in Stroke

NCT02828943
View directory record Official record
Conditions
Stroke, Pulmonary Ventilation, Exercise Therapy
Interventions
IMT with High Resistance EMT, IMT with Low Resistance EMT
Behavioral
Lead sponsor
Shirley Ryan AbilityLab
Other
Eligibility
18 Years to 85 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 16, 2019 · Synced Sep 3, 2026, 10:25 AM EDT
Completed No phase listed Observational

COVID-19 Mortality Prediction Model

NCT04358510
View directory record Official record
Conditions
COVID-19, Pneumonia, Mechanical Ventilation
Interventions
COViage
Device
Lead sponsor
Dascena
Industry
Eligibility
18 Years and older
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Apr 23, 2020 · Synced Sep 3, 2026, 10:25 AM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Distribution of Ventilation, Respiratory Drive and Gas Exchange: Measurements and Monitoring

NCT05462600
View directory record Official record
Conditions
Pulmonary Disease, Respiratory System Abnormalities, OSA, Respiratory Failure
Interventions
Position change
Other
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Apr 10, 2025 · Synced Sep 3, 2026, 10:25 AM EDT
Completed Not applicable Interventional

Respiration Rate Monitoring in COPD Patients

NCT03030313
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
Reassure Non-Contact Respiration Monitor
Device
Lead sponsor
ResMed
Industry
Eligibility
35 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 16, 2017 · Synced Sep 3, 2026, 10:25 AM EDT
Completed Phase 3 Interventional

Follow-up at School-age of Children Who Participated in the Efficacy Study of Nitric Oxide for Premature Infants

NCT00152542
View directory record Official record
Conditions
Prematurity, Respiratory Distress Syndrome,Hypoxemia
Interventions
Inhaled nitric oxide, Placebo
Drug
Lead sponsor
University of Chicago
Other
Eligibility
4 Years to 6 Years
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 11, 2013 · Synced Sep 3, 2026, 10:25 AM EDT
Recruiting Phase 4 Interventional

Non Inferiority Trial Investigating Surfactants Administered Via MIST

NCT06074380
View directory record Official record
Conditions
Respiratory Distress Syndrome
Interventions
MIST surfactant
Drug
Lead sponsor
Endeavor Health
Other
Eligibility
Up to 48 Hours
Enrollment
262 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Evanston, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 6, 2025 · Synced Sep 3, 2026, 10:25 AM EDT
Terminated Phase 2 Interventional

Safety and Efficacy of QAX576 in Patients With Idiopathic Pulmonary Fibrosis (IPF)

NCT01266135
View directory record Official record
Conditions
Idiopathic Pulmonary Fibrosis
Interventions
QAX576, Placebo
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
7
States / cities
Gainesville, Florida • Orlando, Florida • Boston, Massachusetts + 4 more
Source: ClinicalTrials.gov public record
Updated Dec 18, 2020 · Synced Sep 3, 2026, 10:25 AM EDT
Completed Phase 2 Interventional Results available

The Safety, Tolerability, PK and PD of GSK2586881 in Patients With Acute Lung Injury

NCT01597635
View directory record Official record
Conditions
Lung Injury, Acute
Interventions
Dose 1 GSK2586881, Dose 2 GSK2586881, Dose 3 GSK2586881, Dose 4 GSK2586881, Placebo (saline)
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 80 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
13
States / cities
Sacramento, California • Chicago, Illinois • Springfield, Massachusetts + 9 more
Source: ClinicalTrials.gov public record
Updated Sep 27, 2017 · Synced Sep 3, 2026, 10:25 AM EDT
Completed Not applicable Interventional Results available

Prophylactic Bronchoscopy After Inhalation Injury in Burn Patients

NCT00997555
View directory record Official record
Conditions
Inhalation Injury, Pneumonitis, Pneumonia
Interventions
bronchoscopy
Procedure
Lead sponsor
Hurley Medical Center
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Flint, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 30, 2013 · Synced Sep 3, 2026, 10:25 AM EDT
Completed Not applicable Interventional

Respiratory Decompensation and Model for the Triage of COVID-19 Patients

NCT04390516
View directory record Official record
Conditions
COVID-19, Coronavirus, Mortality, Mechanical Ventilation
Interventions
COViage
Device
Lead sponsor
Dascena
Industry
Eligibility
18 Years and older
Enrollment
197 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Jun 11, 2020 · Synced Sep 3, 2026, 10:25 AM EDT
Completed Phase 2 Interventional

Anti-TF Antibody (ALT-836) to Treat Septic Patients With Acute Lung Injury or Acute Respiratory Distress Syndrome

NCT00879606
View directory record Official record
Conditions
Sepsis, Acute Lung Injury, Acute Respiratory Distress Syndrome
Interventions
ALT-836, Placebo
Drug
Lead sponsor
Altor BioScience
Industry
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
20
States / cities
Los Angeles, California • Sacramento, California • Stanford, California + 15 more
Source: ClinicalTrials.gov public record
Updated Apr 9, 2015 · Synced Sep 3, 2026, 10:25 AM EDT
Terminated No phase listed Observational

Effects of Oxygen on Lung Tissue During Anesthesia

NCT00715338
View directory record Official record
Conditions
Lung Injury, Acute
Interventions
Not listed
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 19, 2017 · Synced Sep 3, 2026, 10:25 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Non-invasive Tidal Volume Monitoring Using the Linshom Respiratory Monitoring Device

NCT03279458
View directory record Official record
Conditions
Pulmonary Ventilation, Capnography
Interventions
Linshom Respiratory Monitoring Device
Device
Lead sponsor
University of Mississippi Medical Center
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Jackson, Mississippi
Source: ClinicalTrials.gov public record
Updated Jul 4, 2018 · Synced Sep 3, 2026, 10:25 AM EDT
Completed Not applicable Interventional

Home-Based Respiratory Muscle Strength Training Program for Individuals With Post-COVID-19 Persistent Dyspnea

NCT06091280
View directory record Official record
Conditions
Post-COVID-19 Syndrome, Dyspnea
Interventions
Respiratory Muscle Strength Trainers
Device
Lead sponsor
University of South Florida
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Apr 14, 2025 · Synced Sep 3, 2026, 10:25 AM EDT