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ClinicalTrials.gov public records Last synced Oct 28, 2026, 1:05 AM EDT

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Showing 481–504 of 3,147 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: RESP Clear all
Completed No phase listed Observational

Observational Cohort Study of Distribution of Ventilation in Pediatrics Requiring Mechanical Ventilation by Electrical Impedance Tomography

NCT02247700
View directory record Official record
Conditions
Respiratory Failure, Acute Respiratory Distress Syndrome, Acute Lung Injury
Interventions
Not listed
Lead sponsor
Boston Children's Hospital
Other
Eligibility
1 Day to 17 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 4, 2019 · Synced Oct 28, 2026, 1:05 AM EDT
Completed Not applicable Interventional Results available

American Heart Association- Stroke/Hypoxia Study

NCT04019522
View directory record Official record
Conditions
Stroke
Interventions
Acute Intermittent Hypoxia (AIH)
Other
Lead sponsor
Shirley Ryan AbilityLab
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Oct 28, 2026, 1:05 AM EDT
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 28, 2026, 1:05 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Using Ultrasound to Study Respiratory Muscle Function in Critically Ill Patients

NCT03139695
View directory record Official record
Conditions
Injury of Diaphragm, Mechanical Ventilation Complication, Critical Illness
Interventions
Ultrasound
Diagnostic Test
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 8, 2017 · Synced Oct 28, 2026, 1:05 AM EDT
Recruiting Phase 2 Interventional

Breathe Easier With Tadalafil Therapy for Dyspnea in COPD-PH

NCT05937854
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease, Pulmonary Hypertension, Dyspnea
Interventions
Tadalafil, Placebo
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
35 Years to 89 Years
Enrollment
126 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
5
States / cities
Aurora, Colorado • Decatur, Georgia • Boston, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated May 15, 2026 · Synced Oct 28, 2026, 1:05 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Vitamin D3 Supplementation to Prevent Respiratory Tract Infections

NCT04596657
View directory record Official record
Conditions
Respiratory Tract Infections, Covid19, Flu Like Illness
Interventions
Vitamin D supplementation
Dietary Supplement
Lead sponsor
The Cooper Health System
Other
Eligibility
18 Years and older
Enrollment
877 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Camden, New Jersey
Source: ClinicalTrials.gov public record
Updated Dec 8, 2023 · Synced Oct 28, 2026, 1:05 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Safety and Efficacy of MEDI8897 for the Prevention of Medically Attended RSV LRTI in Healthy Preterm Infants.

NCT02878330
View directory record Official record
Conditions
Respiratory Syncytial Virus Infections
Interventions
MEDI8897, Placebo
Drug
Lead sponsor
MedImmune LLC
Industry
Eligibility
Up to 365 Days
Enrollment
1,453 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
60
States / cities
Birmingham, Alabama • Anaheim, California • Downey, California + 53 more
Source: ClinicalTrials.gov public record
Updated Oct 14, 2019 · Synced Oct 28, 2026, 1:05 AM EDT
Completed Not applicable Interventional Results available

CPAP to Improve Swallow Function Post Total Laryngectomy

NCT03328702
View directory record Official record
Conditions
Oropharyngeal Dysphagia, Laryngectomy; Status
Interventions
Continuous Positive Airway Pressure
Device
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Dec 24, 2024 · Synced Oct 28, 2026, 1:05 AM EDT
Completed No phase listed Observational

International SARS-CoV-2 (COVID-19) Infection Observational Study

NCT04385251
View directory record Official record
Conditions
COVID, COVID19, SARS-CoV 2, Dyspnea
Interventions
Data Collection
Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
11,973 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Aug 16, 2022 · Synced Oct 28, 2026, 1:05 AM EDT
Completed Not applicable Interventional Results available

A Study for the Assessment of the Benefits of a Novel Mesh Nebulizer in the Treatment of Patients With Stable COPD

NCT03933462
View directory record Official record
Conditions
COPD
Interventions
InnoSpire Go, Jet Nebulizer
Device
Lead sponsor
Philips Respironics
Industry
Eligibility
40 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Clairton, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 17, 2020 · Synced Oct 28, 2026, 1:05 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Bora Band Respiration Rate Study

NCT04064645
View directory record Official record
Conditions
Respiratory Rate
Interventions
Measurement of respiratory rate with DUT and comparison with reference
Device
Lead sponsor
Biosency
Industry
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Louisville, Colorado
Source: ClinicalTrials.gov public record
Updated Aug 22, 2019 · Synced Oct 28, 2026, 1:05 AM EDT
Completed Phase 2 Interventional

Efficacy of Osteopathic Manipulation in Chronic Obstructive Pulmonary Disease

NCT00034112
View directory record Official record
Conditions
Emphysema
Interventions
osteopathic manipulative treatment
Procedure
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2002
U.S. locations
1
States / cities
Kirksville, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 18, 2006 · Synced Oct 28, 2026, 1:05 AM EDT
Completed Phase 3 Interventional

Ribavirin Compared With Standard Care in Treating Patients With Respiratory Syncytial Virus Following Stem Cell Transplantation

NCT00016081
View directory record Official record
Conditions
Infection
Interventions
ribavirin
Drug
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
2 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2003
U.S. locations
4
States / cities
Birmingham, Alabama • Chicago, Illinois • St Louis, Missouri + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 30, 2010 · Synced Oct 28, 2026, 1:05 AM EDT
Completed Phase 2 Interventional

A Phase II, Randomized, Double-blind, Placebo-controlled Study to Examine the Effects of DAS181 in Immunocompromised Subjects With Lower Respiratory Tract Parainfluenza Infection on Supplemental Oxygen

NCT01644877
View directory record Official record
Conditions
Parainfluenza
Interventions
DAS181 dry powder, formulation F02, Lactose Placebo
Drug
Lead sponsor
Ansun Biopharma, Inc.
Industry
Eligibility
12 Years and older
Enrollment
111 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
45
States / cities
Phoenix, Arizona • Duarte, California • Orange, California + 33 more
Source: ClinicalTrials.gov public record
Updated Sep 25, 2017 · Synced Oct 28, 2026, 1:05 AM EDT
Withdrawn Phase 2 Interventional

Hyperbaric Oxygen for Long COVID-19 Pulmonary Sequela

NCT04905888
View directory record Official record
Conditions
Covid19
Interventions
Hyperbaric oxygen therapy
Combination Product
Lead sponsor
Peter Lindholm
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jan 23, 2024 · Synced Oct 28, 2026, 1:05 AM EDT
Recruiting Not applicable Interventional

Voice Therapy Per the Rehabilitation Treatment Specification System

NCT06152627
View directory record Official record
Conditions
Muscle Tension Dysphonia
Interventions
Standard of care voice therapy with novice clinician RTSS-Voice documentation, Standard of care voice therapy with expert clinician RTSS-Voice documentation
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
14 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
5
States / cities
Atlanta, Georgia • Boston, Massachusetts • New York, New York + 2 more
Source: ClinicalTrials.gov public record
Updated May 26, 2026 · Synced Oct 28, 2026, 1:05 AM EDT
Active, not recruiting Phase 1Phase 2 Interventional Results available

Lenalidomide Combined With Modified DA-EPOCH and Rituximab (EPOCH-R2) in Primary Effusion Lymphoma or KSHV-associated Large Cell Lymphoma

NCT02911142
View directory record Official record
Conditions
Primary Effusion Lymphoma, B-Cell Neoplasm
Interventions
Lenalidomide, Rituximab, Prednisone, Etoposide, Doxorubicin, Vincristine, Cyclophosphamide, CT of neck, chest, abdomen and pelvis, 18FDG-PET scan, MRI Brain, Bone marrow biopsy, EKG, Echocardiogram, Ultrasound, Bronchoscopy, Endoscopy, CXR: PA/lat/decub
Drug · Diagnostic Test · Procedure
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2028
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 20, 2026 · Synced Oct 28, 2026, 1:05 AM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Positron Emission Tomography (PET) Imaging of Neuroinflammation in Patients With Neurological Dysfunction After Severe Acute Respiratory Syndrome Coronavirus 2 (SARS CoV 2) Infection

NCT05656105
View directory record Official record
Conditions
SARS CoV-2 Post-Acute Sequelae
Interventions
DPA-714 PET/MRI
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Oct 28, 2026, 1:05 AM EDT
Terminated Phase 1 Interventional

Clinical Trial of Nebulized Hypertonic Saline to Attenuate Post-Traumatic Acute Lung Injury

NCT01667666
View directory record Official record
Conditions
Acute Lung Injury, Adult Respiratory Distress Syndrome
Interventions
Nebulized hypertonic saline
Drug
Lead sponsor
Denver Health and Hospital Authority
Other
Eligibility
18 Years to 65 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 8, 2019 · Synced Oct 28, 2026, 1:05 AM EDT
Not listed Not applicable Interventional

ROX Index for the Timing of Intubation in Nasal High Flow

NCT04707729
View directory record Official record
Conditions
Acute Hypoxemic Respiratory Failure
Interventions
ROX index algorithm
Diagnostic Test
Lead sponsor
Hospital Universitari Vall d'Hebron Research Institute
Other
Eligibility
18 Years to 120 Years
Enrollment
630 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 15, 2024 · Synced Oct 28, 2026, 1:05 AM EDT
Completed No phase listed Observational

Index Individuals in SARS-CoV-2 Prevention Research Studies (COVID-19 Index Individuals Companion Study)

NCT05074719
View directory record Official record
Conditions
SARS-CoV-2 Infection, COVID-19, Coronavirus Infection, SARS (Severe Acute Respiratory Syndrome)
Interventions
Not listed
Lead sponsor
University of Washington
Other
Eligibility
10 Years and older
Enrollment
155 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 15, 2021 · Synced Oct 28, 2026, 1:05 AM EDT
Completed Phase 3 Interventional

Dexamethasone Therapy in VLBW Infants at Risk of CLD

NCT00011362
View directory record Official record
Conditions
Infant, Newborn, Infant, Low Birth Weight, Infant, Small for Gestational Age, Infant, Premature, Bronchopulmonary Dysplasia
Interventions
Dexamethasone Early, Dexamethasone Late
Drug
Lead sponsor
NICHD Neonatal Research Network
Network
Eligibility
13 Days to 15 Days
Enrollment
371 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1992 – 1994
U.S. locations
13
States / cities
Palo Alto, California • New Haven, Connecticut • Washington D.C., District of Columbia + 10 more
Source: ClinicalTrials.gov public record
Updated Mar 22, 2019 · Synced Oct 28, 2026, 1:05 AM EDT
Not listed Not applicable Interventional

Correlation of CO2 Measured by Blood Gas vs Transcutaneous Monitor

NCT03268395
View directory record Official record
Conditions
Respiratory Complication
Interventions
Arterial Blood Gas and Transcutaneous CO2 Monitor
Diagnostic Test
Lead sponsor
Memorial Health University Medical Center
Other
Eligibility
Not listed
Enrollment
266 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Savannah, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 31, 2017 · Synced Oct 28, 2026, 1:05 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Respiration Rate Monitoring During Transitions

NCT01881269
View directory record Official record
Conditions
Focus of the Study is Measuring Respiratory Rate
Interventions
Not listed
Lead sponsor
Medtronic - MITG
Industry
Eligibility
18 Years to 65 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 6, 2013 · Synced Oct 28, 2026, 1:05 AM EDT