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ClinicalTrials.gov public records Last synced Oct 21, 2026, 1:56 AM EDT

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Showing 1–24 of 2,896 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Respiration Disorders Clear all
Terminated Not applicable Interventional

The Use of a FDA Cleared, Drug-free, Breathing System for Anxiety and Panic Disorders in Children and Teens

NCT02998502
View directory record Official record
Conditions
Anxiety, Panic Disorder
Interventions
Freespira Breathing System
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
9 Years to 17 Years
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Oct 21, 2026, 1:56 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Myocardial Perfusion, Oxidative Metabolism, and Fibrosis in HFpEF

NCT02589977
View directory record Official record
Conditions
Heart Failure, Diastolic, Diastolic Heart Failure, Hypertension
Interventions
regadenoson
Drug
Lead sponsor
Marvin W. Kronenberg, M.D.
Other
Eligibility
50 Years to 75 Years
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Feb 2, 2021 · Synced Oct 21, 2026, 1:56 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Hemodynamics Response to Upper Airway Obstruction in Marfan Syndrome

NCT03985657
View directory record Official record
Conditions
Sleep-disordered Breathing, Snoring
Interventions
CPAP
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 28, 2020 · Synced Oct 21, 2026, 1:56 AM EDT
Completed No phase listed Observational

Reverse Trendelenburg Positioning and Its Effect on Outcomes: a Retrospective Study of Consecutive Patients

NCT02984657
View directory record Official record
Conditions
Aspiration, Respiratory, Hypoxia, Perioperative Period, Supine Position
Interventions
Surgical patients in 2012 with anesthesia and nursing staff less attuned to intraoperative RTP., Surgical patients in 2015 with enhanced anesthesia and nursing staff awareness and use of intraoperative RTP.
Procedure
Lead sponsor
C. Michael Dunham
Other
Eligibility
18 Years and older
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
1
States / cities
Youngstown, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 7, 2016 · Synced Oct 21, 2026, 1:56 AM EDT
Recruiting No phase listed Observational

Dead Space and Inhaled Nitric Oxide in Pediatric Acute Respiratory Distress Syndrome

NCT06690801
View directory record Official record
Conditions
Acute Respiratory Distress Syndrome
Interventions
Not listed
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
0 Years to 21 Years
Enrollment
1,260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
10
States / cities
Los Angeles, California • Denver, Colorado • Boston, Massachusetts + 7 more
Source: ClinicalTrials.gov public record
Updated Nov 15, 2024 · Synced Oct 21, 2026, 1:56 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 21, 2026, 1:56 AM EDT
Completed Phase 2 Interventional Results available

A Pivotal Study to Assess the Effectiveness of Nasal Dilator (Breathe Right Nasal Strips)

NCT03549130
View directory record Official record
Conditions
Congestion, Nasal
Interventions
Breathe Right Tan (small/medium) nasal strips, Placebo nasal strip
Device · Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
2
States / cities
Indianapolis, Indiana • Paramus, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 25, 2018 · Synced Oct 21, 2026, 1:56 AM EDT
Not yet recruiting Phase 2 Interventional

GCC 2545- Improving Post-Radiotherapy Respiratory Function Through Sparing Serial and Parallel Components in the Lung

NCT07679607
View directory record Official record
Conditions
Lung Cancer (NSCLC), Radiation
Interventions
SOC Radiation Treatment Planning, INSPIRE Radiation Treatment Planning
Radiation
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Oct 21, 2026, 1:56 AM EDT
Completed Not applicable Interventional Results available

Telecommunications System in Sleep Apnea

NCT00232544
View directory record Official record
Conditions
Sleep Apnea, Obstructive
Interventions
Telecommunications system, TLC-Control
Device · Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 10, 2018 · Synced Oct 21, 2026, 1:56 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Brain Sleep Clearance of Amyloid-Beta Peptides

NCT02474251
View directory record Official record
Conditions
Obstructive Sleep Apnea, Alzheimer's Disease
Interventions
Continuous positive airway pressure device
Other
Lead sponsor
NYU Langone Health
Other
Eligibility
30 Years to 75 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 24, 2020 · Synced Oct 21, 2026, 1:56 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Breakthrough Dyspnea Fentanyl Study in Cancer Patients

NCT01515566
View directory record Official record
Conditions
Advanced Cancers, Dyspnea
Interventions
Fentanyl, Placebo, Walking Tests, Questionnaires
Drug · Other · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 22, 2014 · Synced Oct 21, 2026, 1:56 AM EDT
Completed Phase 4 Interventional

Checklists and Upright Positioning in Endotracheal Intubation of Critically Ill Patients (Check-UP) Trial

NCT02497729
View directory record Official record
Conditions
Respiratory Failure
Interventions
Written Checklist, Head of Bed Up
Procedure
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older
Enrollment
260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
5
States / cities
Birmingham, Alabama • New Orleans, Louisiana • Nashville, Tennessee + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 19, 2016 · Synced Oct 21, 2026, 1:56 AM EDT
Terminated Not applicable Interventional

Study of AffloVest in At-Risk Respiratory Patients During COVID-19 Pandemic

NCT04654481
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease, Chronic Cough, Covid19
Interventions
HCFWO, Standard Care Plus Monitoring
Device · Other
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 5, 2022 · Synced Oct 21, 2026, 1:56 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 21, 2026, 1:56 AM EDT
Completed Phase 2 Interventional

A Study to Assess the Efficacy and Safety of Lorundrostat in Participants With Obstructive Sleep Apnea and Hypertension

NCT06785454
View directory record Official record
Conditions
Obstructive Sleep Apnea, Hypertension
Interventions
Lorundrostat, Placebo
Drug
Lead sponsor
Mineralys Therapeutics Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
27
States / cities
Tuscaloosa, Alabama • Chandler, Arizona • Little Rock, Arkansas + 24 more
Source: ClinicalTrials.gov public record
Updated Aug 21, 2026 · Synced Oct 21, 2026, 1:56 AM EDT
Completed Phase 2 Interventional Results available

Crossover Trial of AD109 in Obstructive Sleep Apnea

NCT04580394
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
AD109, Atomoxetine, R-oxybutynin, Placebo, Digit System Substitution Test
Drug · Diagnostic Test
Lead sponsor
Apnimed
Industry
Eligibility
25 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
7
States / cities
Little Rock, Arkansas • Pomona, California • New Haven, Connecticut + 4 more
Source: ClinicalTrials.gov public record
Updated Jan 31, 2023 · Synced Oct 21, 2026, 1:56 AM EDT
Recruiting No phase listed Observational

Head to Head Comparison of Upper Airway Stimulation and Continuous Positive Airway Pressure; a Pilot Study.

NCT04191512
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Not listed
Lead sponsor
Thomas Jefferson University
Other
Eligibility
22 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 29, 2026 · Synced Oct 21, 2026, 1:56 AM EDT
Completed Not applicable Interventional Results available

Role of Endorphins in Perception of Dyspnea With Resistive Loading in Chronic Obstructive Pulmonary Disease (COPD)

NCT00958919
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
naloxone, normal saline
Drug
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
50 Years to 90 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Apr 11, 2013 · Synced Oct 21, 2026, 1:56 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Health Coaching for Positive Airway Pressure Adherence

NCT04067128
View directory record Official record
Conditions
Sleep Apnea
Interventions
Health coaching
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
131 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 28, 2019 · Synced Oct 21, 2026, 1:56 AM EDT
Terminated Not applicable Interventional Results available

Effect of Upper Airway Stimulation on Vascular Function in Obstructive Sleep Apnea

NCT03051165
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Hypoglossal Nerve Stimulation Treatment Withdrawal
Device
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Dec 11, 2018 · Synced Oct 21, 2026, 1:56 AM EDT
Recruiting Not applicable Interventional

Home Apnea Testing in CHildren Trial

NCT05382754
View directory record Official record
Conditions
Sleep Apnea, Obstructive, Sleep Disorder, Sleep Apnea Syndromes, Sleep Disturbance
Interventions
Home sleep apnea test, In-lab polysomnography
Diagnostic Test
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
5 Years to 12 Years
Enrollment
317 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced Oct 21, 2026, 1:56 AM EDT
Recruiting Not applicable Interventional

NPA-OSA Device Tolerability, Usability and Acclimation Clinical Study in Adult Obstructive Sleep Apnea (OSA) Patients

NCT06677151
View directory record Official record
Conditions
Sleep Apnea, Obstructive
Interventions
nasopharyngeal airway obstructive sleep apnea (NPA-OSA) device
Device
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
2
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 12, 2026 · Synced Oct 21, 2026, 1:56 AM EDT
Withdrawn Not applicable Interventional

Pulmonary Vascular Effects of Respiratory Rate & Carbon Dioxide

NCT01927237
View directory record Official record
Conditions
Low Tidal Volume Ventilation, Acute Respiratory Distress Syndrome
Interventions
HLR, EHR
Other
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 99 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 27, 2017 · Synced Oct 21, 2026, 1:56 AM EDT
Recruiting Not applicable Interventional

Treatment of Obstructive Sleep Apnea With Personalized Surgery in Children With Small Tonsils

NCT06258837
View directory record Official record
Conditions
Otolaryngological Disease, Obstructive Sleep Apnea
Interventions
DISE-Directed Surgery, Adenotonsillectomy
Procedure
Lead sponsor
Oregon Health and Science University
Other
Eligibility
2 Years to 17 Years
Enrollment
175 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
2
States / cities
Ann Arbor, Michigan • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jul 6, 2026 · Synced Oct 21, 2026, 1:56 AM EDT