Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.

Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 27, 2026, 10:42 PM EDT

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

Showing 433–456 of 3,147 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: RESP Clear all
Completed Not applicable Interventional

High Flow Nasal Cannula in Comparison With Nasal Continuous Positive Airway Pressure in the Management of Respiratory Distress Syndrome

NCT02587832
View directory record Official record
Conditions
Respiratory Distress Syndrome
Interventions
HHHFNC, NCPAP
Device
Lead sponsor
Sidra Medicine
Other
Eligibility
Not listed
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Akron, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 27, 2015 · Synced Oct 27, 2026, 10:42 PM EDT
Completed No phase listed Observational

A Study to Evaluate Conceptual Saturation of Evaluating Respiratory Symptoms (E-RS) in Subjects With Asthma

NCT03344406
View directory record Official record
Conditions
Asthma
Interventions
Telephonic interviews, E-RS: COPD, Supplemental asthma items, Daily diary, Sociodemographic questionnaire, Clinical questionnaire
Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 16, 2019 · Synced Oct 27, 2026, 10:42 PM EDT
Recruiting Not applicable Interventional

Hyperbaric Oxygen Therapy for Ulcerative Colitis (HBOT-UC)

NCT05987852
View directory record Official record
Conditions
Ulcerative Colitis
Interventions
Hyperbaric Oxygen Therapy, Sham Hyperbaric Air
Device · Other
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 85 Years
Enrollment
126 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
13
States / cities
Birmingham, Alabama • Los Angeles, California • Miami, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated Oct 23, 2026 · Synced Oct 27, 2026, 10:42 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Clinical Evidence of pH Dependent ß2 Adrenergic Transport Mechanisms in the Airway

NCT01216748
View directory record Official record
Conditions
Healthy Volunteers
Interventions
quiet breathing, Hypocapnic Hyperventilation, Hypercapnic Hyperventilation, eucapnic hyperventilation
Other
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated May 27, 2016 · Synced Oct 27, 2026, 10:42 PM EDT
Completed No phase listed Observational

Immunogenicity and Safety of Commercially Available Vaccines Against SARS-CoV-2 (COVID-19) in Patients With Hematologic Malignancies

NCT04748185
View directory record Official record
Conditions
Monoclonal B-Cell Lymphocytosis, Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma, B-cell Non Hodgkin Lymphoma, Hodgkin Lymphoma
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
358 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 10, 2023 · Synced Oct 27, 2026, 10:42 PM EDT
Completed Not applicable Interventional

Physiological Investigations of Movement Disorders

NCT01019343
View directory record Official record
Conditions
Parkinson's Disease, Tourette's Syndrome, Tic Disorders, Dystonia, Movement Disorders
Interventions
Transcranial Direct Current Stimulation (tDCS), Eye-tracking Device, Pulsed vibrator, Gait Trainer Treadmill (GTT), Standard psychiatric scales SCID-I, YBOCS and SCI-OBS-lifetime and cognitive scales MMSE and MOCA, iMobility, QMAT, Treadmill Test, Arm Intellistretch Device, Transcranial Sonography (TCS), Behavioral tasks, TMS single/paired pulse, MEG, EEG, MRI techniques, Peripheral Nerve Stimulation, EMG, Trancutaneous spinal direct current stimulation (tsDCS)
Procedure · Device · Other + 1 more
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years and older
Enrollment
1,273 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2020
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 26, 2026 · Synced Oct 27, 2026, 10:42 PM EDT
Completed Phase 3 Interventional Results available

A Study of Intravenous Zanamivir Versus Oral Oseltamivir in Adults and Adolescents Hospitalized With Influenza

NCT01231620
View directory record Official record
Conditions
Influenza, Human
Interventions
Zanamivir, Placebo to match zanamivir, Oseltamivir, Placebo to match oseltamivir
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
16 Years and older
Enrollment
626 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
40
States / cities
Birmingham, Alabama • Phoenix, Arizona • Chula Vista, California + 37 more
Source: ClinicalTrials.gov public record
Updated Oct 15, 2018 · Synced Oct 27, 2026, 10:42 PM EDT
Completed Not applicable Interventional Results available

Digihaler in Chronic Obstructive Pulmonary Disease (COPD)

NCT05241288
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
Albuterol eMDPI DS
Combination Product
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
40 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
2
States / cities
Chapel Hill, North Carolina • Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 23, 2024 · Synced Oct 27, 2026, 10:42 PM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers Results available

Multi-Year Study of Fluzone High-Dose Influenza Vaccine Compared With Fluzone® Vaccine in Adults Aged 65 Years and Older

NCT00976027
View directory record Official record
Conditions
Influenza
Interventions
Trivalent inactivated influenza vaccine High Dose, Trivalent inactivated influenza vaccine
Biological
Lead sponsor
Sanofi
Industry
Eligibility
65 Years and older
Enrollment
9,172 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
96
States / cities
Birmingham, Alabama • Glendale, Arizona • Mesa, Arizona + 86 more
Source: ClinicalTrials.gov public record
Updated Aug 1, 2012 · Synced Oct 27, 2026, 10:42 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Shifts in the Respiratory Microbiome and Clinical Outcomes of SARS-CoV-2

NCT04815018
View directory record Official record
Conditions
SARS-CoV-2 Infection, Bacterial Respiratory Tract Infection, Viral Respiratory Tract Infection
Interventions
Not listed
Lead sponsor
Pathnostics
Industry
Eligibility
60 Years and older
Enrollment
185 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
4
States / cities
Delaware, Ohio • Granville, Ohio • Westerville, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 30, 2021 · Synced Oct 27, 2026, 10:42 PM EDT
Not listed Not applicable Interventional

A Pilot Study Comparing Oxygen Delivery Via Helmet Interface Versus High Flow Nasal Cannula

NCT04035460
View directory record Official record
Conditions
Hypoxemic Respiratory Failure
Interventions
Helmet, High Flow Nasal Oxygen
Device
Lead sponsor
Baystate Medical Center
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Springfield, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 22, 2021 · Synced Oct 27, 2026, 10:42 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

A Longitudinal, Observational Study of Primary Ciliary Dyskinesia in Adults

NCT05685186
View directory record Official record
Conditions
Primary Ciliary Dyskinesia
Interventions
Spirometry, Multiple Breath Washout (MBW), Mucociliary Clearance (MCC), CT of the chest, MRI of the chest
Diagnostic Test
Lead sponsor
ReCode Therapeutics
Industry
Eligibility
18 Years to 60 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Oct 27, 2026, 10:42 PM EDT
Completed Not applicable Interventional Results available

Comparison of Curosurf and Infasurf in the Treatment of Preterm Infants With Respiratory Distress Syndrome

NCT02834624
View directory record Official record
Conditions
Respiratory Distress Syndrome
Interventions
Poractant alfa, calfactant
Drug
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
22 Weeks to 35 Weeks
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 6, 2017 · Synced Oct 27, 2026, 10:42 PM EDT
Completed No phase listed Observational

Breast Cancer Lung Late Effects

NCT02725840
View directory record Official record
Conditions
Radiation Injury, Breast Cancer
Interventions
Proton beam radiation therapy., X-ray based radiation therapy, Computed Tomography (CT) Scan, Pulmonary Function Test (PFT)
Radiation · Procedure
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older · Female only
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
2
States / cities
Gainesville, Florida • Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 22, 2024 · Synced Oct 27, 2026, 10:42 PM EDT
Completed Not applicable Interventional

Tracking of Respiratory-Induced Tumor Motion Using Implanted Fiducials

NCT00500513
View directory record Official record
Conditions
Lung Cancer
Interventions
CT Scans, Implanted markers, Radiation Treatment (RT)
Procedure · Radiation
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Not listed
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2011
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 1, 2013 · Synced Oct 27, 2026, 10:42 PM EDT
Completed Phase 2 Interventional Results available

Extracellular Vesicle Infusion Treatment for COVID-19 Associated ARDS

NCT04493242
View directory record Official record
Conditions
COVID-19, ARDS
Interventions
ExoFlo, Intravenous normal saline
Biological · Other
Lead sponsor
Direct Biologics, LLC
Industry
Eligibility
18 Years to 85 Years
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
6
States / cities
Sheffield, Alabama • Anaheim, California • Sayre, Pennsylvania + 3 more
Source: ClinicalTrials.gov public record
Updated Feb 13, 2024 · Synced Oct 27, 2026, 10:42 PM EDT
Not listed Phase 1 Interventional

Safety, Tolerability, and Pharmacokinetics of SAB-185 in Ambulatory Participants With COVID-19

NCT04469179
View directory record Official record
Conditions
COVID-19, SARS-CoV2
Interventions
SAB-185, Normal Saline
Biological · Other
Lead sponsor
SAb Biotherapeutics, Inc.
Industry
Eligibility
18 Years to 60 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
3
States / cities
Miami Beach, Florida • Omaha, Nebraska • Sioux Falls, South Dakota
Source: ClinicalTrials.gov public record
Updated Oct 26, 2021 · Synced Oct 27, 2026, 10:42 PM EDT
Terminated Not applicable Interventional Results available

Oscillation and Lung Expansion (OLE) Therapy for Treatment of Neuromuscular Disease (NMD) Patients

NCT05366010
View directory record Official record
Conditions
Neuromuscular Diseases
Interventions
Oscillation and Lung Expansion (OLE) therapy
Device
Lead sponsor
Baxter Healthcare Corporation
Industry
Eligibility
5 Years to 80 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 31, 2025 · Synced Oct 27, 2026, 10:42 PM EDT
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 13, 2016 · Synced Oct 27, 2026, 10:42 PM EDT
Completed No phase listed Observational

Tobacco Assessment and Intervention With Low-Income Persons Living With HIV-AIDS (PLWHA) in Community-Based AIDS Service Organizations

NCT01482923
View directory record Official record
Conditions
Tobacco Cessation, HIV, AIDS
Interventions
Treatment as usual, AIR (Aspirations, Inspiration, Respiration)
Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 4, 2019 · Synced Oct 27, 2026, 10:42 PM EDT
Completed Early Phase 1 Interventional

A Study of Acute Respiratory Infections in Global Outpatient Setting

NCT05148780
View directory record Official record
Conditions
Acute Respiratory Infection
Interventions
Nasal Swab Sample
Diagnostic Test
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years and older
Enrollment
245 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
39
States / cities
Birmingham, Alabama • Guntersville, Alabama • Mesa, Arizona + 30 more
Source: ClinicalTrials.gov public record
Updated Feb 3, 2025 · Synced Oct 27, 2026, 10:42 PM EDT
Completed Not applicable Interventional Results available

The Effects of Ketamine on Respiratory Stimulation and Transpulmonary Pressures

NCT01969227
View directory record Official record
Conditions
Mechanical Ventilation, Airway Patency, Respiratory Depression
Interventions
Subanesthetic ketamine
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2022
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced Oct 27, 2026, 10:42 PM EDT
Terminated Phase 2 Interventional Results available

Zinc and Green Tea Extract for Community Respiratory Viral Infections

NCT04898023
View directory record Official record
Conditions
Respiratory Viral Infection
Interventions
zinc-green tea extract-ascorbic acid, Placebo
Drug
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 7, 2025 · Synced Oct 27, 2026, 10:42 PM EDT
Completed Phase 2 Interventional Results available

Mavrilimumab to Reduce Progression of Acute Respiratory Failure in COVID-19 Pneumonia and Systemic Hyper-inflammation

NCT04399980
View directory record Official record
Conditions
COVID 19, SARS-CoV 2, Pneumonia
Interventions
Mavrilimumab, Placebos
Drug
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
2
States / cities
Weston, Florida • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated May 13, 2021 · Synced Oct 27, 2026, 10:42 PM EDT