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 are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Jul 22, 2026, 2:24 PM EDT

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

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Respiration Disorders Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Apneic Oxygenation With a Nasal Cannula in the Obese and Morbidly Obese Surgical Patient

NCT03671837
View directory record Official record
Conditions
Apneic; Oxygenation
Interventions
Oxygen, Air
Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
135 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 10, 2020 · Synced Jul 22, 2026, 2:24 PM EDT
Completed No phase listed Observational

Development and Validation of Pediatric Narcolepsy Patient Reported Outcomes Scale

NCT05373979
View directory record Official record
Conditions
Narcolepsy, Obstructive Sleep Apnea
Interventions
Not listed
Lead sponsor
Boston Children's Hospital
Other
Eligibility
9 Years to 17 Years
Enrollment
212 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 12, 2025 · Synced Jul 22, 2026, 2:24 PM EDT
Recruiting 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 14, 2024 · Synced Jul 22, 2026, 2:24 PM EDT
Terminated Phase 2Phase 3 Interventional Accepts healthy volunteers

Antepartum Betamethasone Treatment for Prevention of Respiratory Distress in Infants Born by Elective Cesarean Section

NCT00139256
View directory record Official record
Conditions
Respiratory Distress Syndrome, Newborn
Interventions
Betamethasone
Drug
Lead sponsor
Emory University
Other
Eligibility
Female only
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Nov 26, 2013 · Synced Jul 22, 2026, 2:24 PM EDT
Not yet recruiting No phase listed Observational

Obstructive Sleep Apnea as a Risk Factor for Normal Tension Glaucoma and a Crucial Step in Preventing Blindness

NCT06023927
View directory record Official record
Conditions
Normal Tension Glaucoma, Obstructive Sleep Apnea
Interventions
Clinical observation, diagnostic testing
Other
Lead sponsor
Northwell Health
Other
Eligibility
21 Years and older
Enrollment
100 participants
Timeline
2025 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 9, 2025 · Synced Jul 22, 2026, 2:24 PM EDT
Completed No phase listed Observational

Coagulation and Fibrinolysis in Pediatric Insulin Titration Trial (CAF-PINT)

NCT01892969
View directory record Official record
Conditions
Heart Failure, Respiratory Failure
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
14 Days to 18 Years
Enrollment
304 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
25
States / cities
Los Angeles, California • Oakland, California • Orange, California + 19 more
Source: ClinicalTrials.gov public record
Updated Jul 30, 2020 · Synced Jul 22, 2026, 2:24 PM EDT
Completed No phase listed Observational

An Epidemiological Study to Evaluate the RSV-Associated Lower Respiratory Track in Infections in Infants

NCT00369759
View directory record Official record
Conditions
Respiratory Infections, Bronchiolitis, Pneumonia, Apnea
Interventions
Emergency Dept. Subjects with LRI or Apnea
Other
Lead sponsor
MedImmune LLC
Industry
Eligibility
1 Day to 12 Months
Enrollment
2,048 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
38
States / cities
Phoenix, Arizona • Sylmar, California • Denver, Colorado + 29 more
Source: ClinicalTrials.gov public record
Updated Mar 16, 2009 · Synced Jul 22, 2026, 2:24 PM EDT
Not listed Phase 1 Interventional Accepts healthy volunteers

Investigating the Pharmacokinetics and Pharmacodynamics of Recombinant Human Insulin Administered by Dry Powder Inhaler

NCT00426920
View directory record Official record
Conditions
Diabetes Mellitus
Interventions
Insulin
Drug
Lead sponsor
QDose Limited
Industry
Eligibility
18 Years to 45 Years · Male only
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2007
U.S. locations
1
States / cities
Chula Vista, California
Source: ClinicalTrials.gov public record
Updated Jan 24, 2007 · Synced Jul 22, 2026, 2:24 PM EDT
Completed No phase listed Observational

Rhythm Express Wearable System vs. Simultaneous Polysomnography for the Diagnosis of Obstructive Sleep Apnea in Adults With Suspected or Observed Atrial Fibrillation

NCT06907888
View directory record Official record
Conditions
Obstructive Sleep Apnea (OSA), Atrial Fibrillation (Paroxysmal), Palpitations
Interventions
Rhythm Express Wearable System
Device
Lead sponsor
VivaQuant
Industry
Eligibility
21 Years to 85 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
4
States / cities
Conway, Arkansas • St Louis, Missouri • Charlotte, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 22, 2025 · Synced Jul 22, 2026, 2:24 PM EDT
Completed No phase listed Observational

World Trade Center (WTC) CHEST

NCT01466218
View directory record Official record
Conditions
Pulmonary Disease, Cardiac Disease, Cardiopulmonary Disease, Obstructive Sleep Apnea, Cardiovascular Disease
Interventions
Not listed
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
40 Years and older
Enrollment
1,012 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 30, 2014 · Synced Jul 22, 2026, 2:24 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Lung and Heart Function Across Decades of Life in Health

NCT07641413
View directory record Official record
Conditions
Pollution Related Respiratory Disorder, Pollution; Exposure, Dyspnea, Cardiopulmonary
Interventions
Healthy control
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
24 Years to 68 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2030
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 10, 2026 · Synced Jul 22, 2026, 2:24 PM EDT
Withdrawn Phase 2 Interventional

Use of Inhaled Nitric Oxide to Prevent Pulmonary Hypertension Associated to Stored Blood Transfusion

NCT02217683
View directory record Official record
Conditions
Hypertension, Pulmonary, Hemolysis
Interventions
Nitric Oxide
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 17, 2016 · Synced Jul 22, 2026, 2:24 PM EDT
Terminated Not applicable Interventional

Humidity Therapy for Spontaneously Breathing Tracheostomy Patients

NCT02686489
View directory record Official record
Conditions
Respiratory Failure
Interventions
Heated humidification, Cool bland aerosol
Other
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 28, 2018 · Synced Jul 22, 2026, 2:24 PM EDT
Completed No phase listed Observational

Slope of the Pressure-Time Waveform Predicts Resistance and Compliance in Mechanically Ventilated Subjects

NCT00750074
View directory record Official record
Conditions
Respiration Disorders
Interventions
Not listed
Lead sponsor
Gregory A. Schmidt
Other
Eligibility
18 Years to 99 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Feb 27, 2017 · Synced Jul 22, 2026, 2:24 PM EDT
Completed No phase listed Observational

Effects of GLP-1 Agonists on Gastric Volume

NCT05854979
View directory record Official record
Conditions
Diabetes, Gastric Content Aspiration, Glucagon-like Peptide 1, GLP-1
Interventions
Gastric Ultrasound
Diagnostic Test
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
210 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 24, 2024 · Synced Jul 22, 2026, 2:24 PM EDT
Terminated Not applicable Interventional

Assessment of Sleep Apnea and Its Causes Before and After Weight Loss Surgery

NCT01712269
View directory record Official record
Conditions
Sleep Apnea, Obstructive
Interventions
Weight-loss (bariatric) surgery
Procedure
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 2, 2017 · Synced Jul 22, 2026, 2:24 PM EDT
Completed No phase listed Observational

Validation of Ambulatory Sleep Test (WP200/U) Compared In-lab Sleep Testing in Cardiac Subjects

NCT02369705
View directory record Official record
Conditions
Sleep Disorders
Interventions
Not listed
Lead sponsor
Itamar-Medical, Israel
Industry
Eligibility
17 Years to 90 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
5
States / cities
Los Angeles, California • San Jose, California • Gainsville, Florida + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 14, 2016 · Synced Jul 22, 2026, 2:24 PM EDT
Completed Not applicable Interventional

Intensive Versus Traditional Voice Therapy

NCT03129880
View directory record Official record
Conditions
Dysphonia
Interventions
Weekly Voice Therapy, Intensive Voice Therapy
Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2024
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 15, 2024 · Synced Jul 22, 2026, 2:24 PM EDT
Completed No phase listed Observational

Patient Controlled Analgesia Pharmacogenetic Study

NCT01731873
View directory record Official record
Conditions
Pain
Interventions
Not listed
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
Up to 18 Years
Enrollment
182 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 2, 2020 · Synced Jul 22, 2026, 2:24 PM 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 7, 2019 · Synced Jul 22, 2026, 2:24 PM EDT
Completed No phase listed Observational

Is the STOP-BANG Predictive of Worsening OSA in the Early Postop Period in Patients Undergoing TJA?

NCT02123225
View directory record Official record
Conditions
Obstructive Sleep Apnea, Total Knee Arthroplasty
Interventions
Not listed
Lead sponsor
United States Naval Medical Center, San Diego
Federal
Eligibility
18 Years to 90 Years
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Sep 20, 2017 · Synced Jul 22, 2026, 2:24 PM EDT
Completed No phase listed Observational

Atrial and Brain Natriuretic Peptides in Bronchiolitis

NCT00347880
View directory record Official record
Conditions
Bronchiolitis
Interventions
Not listed
Lead sponsor
University of Florida
Other
Eligibility
37 Weeks to 2 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 1, 2012 · Synced Jul 22, 2026, 2:24 PM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Polycystic Ovary Syndrome (PCOS) and Sleep Apnea

NCT00203996
View directory record Official record
Conditions
Polycystic Ovary Syndrome, Obstructive Sleep Apnea
Interventions
continuous positive airway pressure (CPAP), depot leuprolide plus estrogen/progestin replacement, pioglitazone, REM frag, SWS supp
Device · Drug · Procedure
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 40 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2008
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 20, 2023 · Synced Jul 22, 2026, 2:24 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

Adenosine 2A Receptor Antagonism and AIH in ALS

NCT05377424
View directory record Official record
Conditions
ALS
Interventions
Consume 20mg of istradefylline, Low Oxygen therapy, Placebo counterpart to the istradefylline drug, SHAM counterpart to low oxygen therapy.
Drug · Other
Lead sponsor
University of Florida
Other
Eligibility
21 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
2
States / cities
Gainesville, Florida • Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 26, 2026 · Synced Jul 22, 2026, 2:24 PM EDT