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ClinicalTrials.gov public records Last synced Sep 6, 2026, 4:51 PM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Respiratory Function Clear all
Completed Phase 4 Interventional Accepts healthy volunteers Results available

The Effects of General Anesthetics on Upper Airway Collapsibility in Healthy Subjects

NCT01557920
View directory record Official record
Conditions
Airway Complication of Anaesthesia, Healthy
Interventions
Propofol, Sevoflurane
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 45 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 12, 2016 · Synced Sep 6, 2026, 4:51 PM EDT
Terminated Not applicable Interventional

Minimally Invasive Tongue Suture For Obstructive Sleep Apnea

NCT00515580
View directory record Official record
Conditions
Obstructive Sleep Apnea, Upper Airway Resistance Syndrome
Interventions
Tongue Sutures for Obstructive Sleep Apnea
Procedure
Lead sponsor
West Side ENT
Other
Eligibility
18 Years to 65 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 19, 2012 · Synced Sep 6, 2026, 4:51 PM EDT
Completed Phase 4 Interventional Results available

Preterm Infant Inhaled Albuterol Dosing

NCT02447250
View directory record Official record
Conditions
Bronchopulmonary Dysplasia, Very Low Birth Weight
Interventions
Varied albuterol dose response
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
14 Days and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated May 22, 2019 · Synced Sep 6, 2026, 4:51 PM EDT
Recruiting No phase listed Observational

Brain Blood Flow and Cerebral Autoregulation Monitoring in Critically Ill Children

NCT07613918
View directory record Official record
Conditions
Critical Illness, Pediatric Critical Illness, Respiratory Failure, Traumatic Brain Injury, Cardiac Arrest
Interventions
Transcranial Doppler
Device
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
1 Day to 17 Years
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Sep 6, 2026, 4:51 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Targeting Breathing Limitations to Improve Functional Outcomes in HFpEF

NCT05723679
View directory record Official record
Conditions
Heart Failure With Preserved Ejection Fraction, Obesity
Interventions
HeO2 gas mixture, Room air gas mixture
Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
55 Years to 90 Years
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2029
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Sep 6, 2026, 4:51 PM EDT
Completed No phase listed Observational

A Prospective Study to Evaluate Biological and Clinical Effects of Significantly Corrected CFTR Function

NCT04038047
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Not listed
Lead sponsor
Nicole Hamblett
Other
Eligibility
12 Years and older
Enrollment
490 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
56
States / cities
Birmingham, Alabama • Anchorage, Alaska • Little Rock, Arkansas + 47 more
Source: ClinicalTrials.gov public record
Updated Jan 27, 2025 · Synced Sep 6, 2026, 4:51 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Real World Assessment of Resistance Breathing Device

NCT07187349
View directory record Official record
Conditions
Stress, Breathing Exercise, Stress Management
Interventions
Not listed
Lead sponsor
Livotion, LLC
Industry
Eligibility
18 Years to 30 Years
Enrollment
73 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced Sep 6, 2026, 4:51 PM EDT
Completed Phase 1 Interventional

SD Cystic Fibrosis Study

NCT00605761
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
SB656933
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
16 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
3
States / cities
Palo Alto, California • Minneapolis, Minnesota • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 18, 2012 · Synced Sep 6, 2026, 4:51 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Brain Network Changes After Vibro-tactile Stimulation in Laryngeal Dystonia

NCT07443891
View directory record Official record
Conditions
Laryngeal Dystonia
Interventions
Vibrotactile Stimulation (VTS)
Device
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 75 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 18, 2026 · Synced Sep 6, 2026, 4:51 PM EDT
Terminated Not applicable Interventional Results available

Assessment of Pulmonary Congestion During Cardiac Hemodynamic Stress Testing

NCT04019613
View directory record Official record
Conditions
Dyspnea, Heart Failure With Preserved Ejection Fraction
Interventions
Lung ultrasound
Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 19, 2022 · Synced Sep 6, 2026, 4:51 PM EDT
Completed Not applicable Interventional

Effect Of Acute Inflammatory Mediators On Functional Limitations In Patients With Acute Respiratory Failure

NCT01707303
View directory record Official record
Conditions
Acute Respiratory Failure
Interventions
Early ICU rehabilitation strategies, Usual Care
Other
Lead sponsor
Wake Forest University
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 14, 2018 · Synced Sep 6, 2026, 4:51 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Sickness Evaluation at Altitude With Acetazolamide at Relative Doses

NCT03828474
View directory record Official record
Conditions
Acute Mountain Sickness
Interventions
Acetazolamide Pill
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 75 Years
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Bishop, California
Source: ClinicalTrials.gov public record
Updated Oct 21, 2019 · Synced Sep 6, 2026, 4:51 PM EDT
Completed Not applicable Interventional Results available

International EXPAND Lung Pivotal Trial

NCT01963780
View directory record Official record
Conditions
Lung Transplant
Interventions
OCS Lung Preservation
Device
Lead sponsor
TransMedics
Industry
Eligibility
18 Years to 75 Years
Enrollment
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
8
States / cities
Phoenix, Arizona • Los Angeles, California • San Francisco, California + 5 more
Source: ClinicalTrials.gov public record
Updated Jul 6, 2022 · Synced Sep 6, 2026, 4:51 PM EDT
Completed Not applicable Interventional Results available

Belun Ring Platform With an Improved Algorithm for OSA Assessment

NCT04885062
View directory record Official record
Conditions
Sleep-Disordered Breathing, Sleep Architecture
Interventions
Belun Ring, PSG
Device · Diagnostic Test
Lead sponsor
Belun Technology Company Limited
Other
Eligibility
18 Years to 80 Years
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced Sep 6, 2026, 4:51 PM EDT
Not yet recruiting No phase listed Observational

Alveolar Dead Space as Predictor of Organ Failure in Severe Sepsis

NCT01315782
View directory record Official record
Conditions
Sepsis, Severe Sepsis, Septic Shock, Multi-organ Failure
Interventions
Not listed
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 10, 2025 · Synced Sep 6, 2026, 4:51 PM EDT
Completed Not applicable Interventional

The Effects of a Music Therapy Respiratory Protocol on Post-Covid-19 Respiratory Symptoms

NCT05231512
View directory record Official record
Conditions
Post Covid-19 Respiratory, Dyspnea, SARS-CoV 2
Interventions
Respiratory Music Therapy Protocol
Other
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 13, 2024 · Synced Sep 6, 2026, 4:51 PM EDT
Withdrawn Not applicable Interventional

Individualized vs Low PEEP in One Lung Ventilation

NCT03569774
View directory record Official record
Conditions
One-Lung Ventilation, Obesity, Lung Diseases
Interventions
One-lung ventilation with individualized PEEP, One-lung ventilation with low PEEP
Procedure
Lead sponsor
Dionne Peacher
Other
Eligibility
18 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jul 5, 2021 · Synced Sep 6, 2026, 4:51 PM EDT
Recruiting Not applicable Interventional

How OMT Benefits Newly Diagnosed Patients With Respiratory Illness When Given Alongside Other Standard Care.

NCT06495021
View directory record Official record
Conditions
Pneumonia, Sinusitis, Bronchitis, Respiratory Disease, Respiratory Tract Infections
Interventions
Lymphatic Pump Osteopathic Manipulative Therapy
Procedure
Lead sponsor
Geisinger Clinic
Other
Eligibility
65 Years to 100 Years
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Bloomsburg, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 10, 2026 · Synced Sep 6, 2026, 4:51 PM 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 6, 2026, 4:51 PM EDT
Terminated Phase 2 Interventional Results available

Inhaled Corticosteroids Versus Observation for Patients With Decreased Lung Function Status

NCT00656916
View directory record Official record
Conditions
Bronchiolitis
Interventions
Fluticasone Propionate
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 22, 2012 · Synced Sep 6, 2026, 4:51 PM EDT
Not yet recruiting No phase listed Observational

TDAP in Burn Patients (Group 2)

NCT07223684
View directory record Official record
Conditions
Sepsis, Burn Injury, Wound Healing, Critical Illness, Multiple Organ Dysfunction Syndrome
Interventions
Observational Cohort (No Intervention)
Other
Lead sponsor
Henry M. Jackson Foundation for the Advancement of Military Medicine
Other
Eligibility
18 Years to 80 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
3
States / cities
Tampa, Florida • Atlanta, Georgia • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 3, 2026 · Synced Sep 6, 2026, 4:51 PM EDT
Completed Not applicable Interventional

Mechanical Ventilation, Directed by Esophageal Pressure Measurements, in Patients With Acute Lung Injury

NCT00127491
View directory record Official record
Conditions
Acute Lung Injury, Acute Respiratory Distress Syndrome
Interventions
Placement of an esophageal balloon measurements, Low tidal volume ventilation, Transpulmonary pressure-directed ventilation (EPVent)
Procedure · Other
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2010
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 26, 2017 · Synced Sep 6, 2026, 4:51 PM EDT
Withdrawn No phase listed Observational

Intraop Ventilation Management and Postop Pulmonary Complications in High Risk Patients for OSA

NCT03135691
View directory record Official record
Conditions
Ventilator-Induced Lung Injury
Interventions
Not listed
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 26, 2025 · Synced Sep 6, 2026, 4:51 PM EDT
Terminated No phase listed Observational Results available

Esophageal Pressure Measurements During One-lung Ventilation

NCT04725318
View directory record Official record
Conditions
Surgery, One-lung Ventilation
Interventions
One-lung ventilation
Other
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 18, 2026 · Synced Sep 6, 2026, 4:51 PM EDT