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 21, 2026, 4:22 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: Respiratory Sounds Clear all
Terminated Phase 2 Interventional

Treatment of Ragweed-Allergic Asthma With an Immunostimulatory Drug

NCT00318747
View directory record Official record
Conditions
Asthma, Allergy, Allergic Rhinitis, Rhinitis, Allergic, Seasonal
Interventions
Amb a 1-immunostimulatory oligodeoxyribonucleotide conjugate (AIC)
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 65 Years
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
4
States / cities
Baltimore, Maryland • Cincinnati, Ohio • Columbus, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 4, 2013 · Synced Jul 21, 2026, 4:22 PM EDT
Not listed No phase listed Observational

Clinical Validation of Omron WheezeScan

NCT04144699
View directory record Official record
Conditions
Asthma in Children, Bronchitis, Bronchiolitis
Interventions
Not listed
Lead sponsor
Omron Healthcare Co., Ltd.
Industry
Eligibility
3 Months to 8 Years
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
15
States / cities
Chamblee, Georgia • Chicago, Illinois • Joliet, Illinois + 11 more
Source: ClinicalTrials.gov public record
Updated Sep 16, 2021 · Synced Jul 21, 2026, 4:22 PM EDT
Withdrawn Not applicable Interventional

In Infants With Laryngomalacia, Does Acid-Blocking Medication Improve Respiratory Symptoms?

NCT02700087
View directory record Official record
Conditions
Laryngomalacia, Acid Reflux, Stridor
Interventions
ranitidine or famotidine, Placebo
Drug
Lead sponsor
Stanford University
Other
Eligibility
Up to 4 Months
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Nov 16, 2017 · Synced Jul 21, 2026, 4:22 PM EDT
Completed No phase listed Observational

Molecular and Microbiome/Metagenome Correlates of Recurrent Wheeze in RSV Infected Infants

NCT06424795
View directory record Official record
Conditions
Respiratory Syncytial Virus Infection
Interventions
Not listed
Lead sponsor
University of Rochester
Other
Eligibility
3 Days to 10 Months
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated May 21, 2024 · Synced Jul 21, 2026, 4:22 PM EDT
Completed No phase listed Observational

A 24 Month Observational Study of Infants 3-24 Months, Who Suffer an Acute Episode of Respiratory Infection and Wheezing Illness

NCT03741322
View directory record Official record
Conditions
Respiratory Tract Infections, Wheezing
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
3 Months to 24 Months
Enrollment
5 participants
Timeline
2018 – 2020
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 24, 2020 · Synced Jul 21, 2026, 4:22 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

SNORE (Smartphone Analyses of Nocturnal Obstruction by Respiratory Evaluation) SOUNDS

NCT03288376
View directory record Official record
Conditions
Sleep Apnea, Obstructive, Chronic Obstructive Pulmonary Disease
Interventions
Not listed
Lead sponsor
Incyphae, Inc.
Industry
Eligibility
18 Years and older
Enrollment
272 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
3
States / cities
Burlingame, California • New London, Connecticut • Lanham, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 6, 2019 · Synced Jul 21, 2026, 4:22 PM EDT
Completed Not applicable Interventional

Transoral Daytime Neuromuscular Electrical Stimulation in Patients With Simple Snoring

NCT03913494
View directory record Official record
Conditions
Sleep Apnea, Obstructive, Sleep Apnea, Sleep, Snoring
Interventions
Transoral Neurostimulation Device (Snoozeal)
Device
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
2
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Apr 5, 2021 · Synced Jul 21, 2026, 4:22 PM EDT
Completed No phase listed Observational

Diagnosing Respiratory Disease in Children Using Cough Sounds

NCT02973282
View directory record Official record
Conditions
Pneumonia, Bronchiolitis, Asthma, Croup, Upper Respiratory Tract Infection, Lower Respiratory Tract Infection, Reactive Airway Disease
Interventions
Recording of Infants and Children's Cough Sounds
Other
Lead sponsor
ResApp Health Limited
Industry
Eligibility
29 Days to 12 Years
Enrollment
1,245 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
3
States / cities
Boston, Massachusetts • Cleveland, Ohio • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 4, 2018 · Synced Jul 21, 2026, 4:22 PM EDT
Completed Not applicable Interventional

Exploring a Cessation Intervention for Smokers

NCT01728038
View directory record Official record
Conditions
Asthma
Interventions
Cessation Counseling
Behavioral
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
Not listed
Enrollment
230 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 29, 2017 · Synced Jul 21, 2026, 4:22 PM EDT
Completed Not applicable Interventional Results available

Validation of Safety and Efficacy for Night Shift Therapy

NCT02032706
View directory record Official record
Conditions
Obstructive Sleep Apnea
Interventions
Deliver therapy when the supine position is detected
Device
Lead sponsor
Advanced Brain Monitoring, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Murrieta, California
Source: ClinicalTrials.gov public record
Updated Mar 31, 2016 · Synced Jul 21, 2026, 4:22 PM EDT
Active, not recruiting Phase 2 Interventional

A Study to Assess the Efficacy and Safety of Daily OM-85 in Young Children With Recurrent Wheezing

NCT05857930
View directory record Official record
Conditions
Recurrent Wheezing, Wheezing Lower Respiratory Illness
Interventions
OM-85, Placebo
Drug
Lead sponsor
OM Pharma SA
Industry
Eligibility
6 Months to 72 Months
Enrollment
296 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
31
States / cities
Phoenix, Arizona • Tucson, Arizona • Little Rock, Arkansas + 25 more
Source: ClinicalTrials.gov public record
Updated Feb 22, 2026 · Synced Jul 21, 2026, 4:22 PM EDT
Not listed No phase listed Observational

Wheezometer™ Exploratory (WM) Field Study

NCT01156818
View directory record Official record
Conditions
Respiratory Sounds, Wheezing
Interventions
Not listed
Lead sponsor
KarmelSonix Ltd.
Industry
Eligibility
8 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 8, 2011 · Synced Jul 21, 2026, 4:22 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Oral Bacterial Extract for the Prevention of Wheezing Lower Respiratory Tract Illness

NCT02148796
View directory record Official record
Conditions
Asthma, Wheezing
Interventions
Broncho-Vaxom (BV), Placebo
Drug · Other
Lead sponsor
University of Arizona
Other
Eligibility
6 Months to 18 Months
Enrollment
822 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2026
U.S. locations
11
States / cities
Phoenix, Arizona • Tucson, Arizona • Oakland, California + 8 more
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Jul 21, 2026, 4:22 PM EDT
Completed Phase 2 Interventional Results available

Dimethyl Fumarate for Obstructive Sleep Apnea

NCT02438137
View directory record Official record
Conditions
Obstructive Sleep Apnea, OSA, Sleep Apnea
Interventions
Dimethyl fumarate, Placebo
Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 65 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated May 30, 2017 · Synced Jul 21, 2026, 4:22 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Epinephrine Inhalation Aerosol USP, CLINICAL STUDY-B3 FOR ASSESSMENT OF PHARMACOKINETICS

NCT01255709
View directory record Official record
Conditions
Asthma
Interventions
Arm T1: Primatene Mist HFA, Arm T2: Primatene Mist HFA, Arm C: Primatene Mist (epinephrine inhalation aerosol, USP)
Drug
Lead sponsor
Amphastar Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 30 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Cypress, California
Source: ClinicalTrials.gov public record
Updated Mar 16, 2016 · Synced Jul 21, 2026, 4:22 PM EDT
Completed No phase listed Observational

A Study to Assess Benign Joint Hypermobility Syndrome in Children With a History of Wheezing or Asthma

NCT02163096
View directory record Official record
Conditions
Benign Joint Hypermobility Syndrome, Wheezing, Asthma
Interventions
Not listed
Lead sponsor
University of Louisville
Other
Eligibility
6 Years to 16 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
3
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Jan 7, 2016 · Synced Jul 21, 2026, 4:22 PM EDT
Completed No phase listed Observational

Diagnosing Respiratory Disease in Children Using Cough Sounds 2

NCT03392363
View directory record Official record
Conditions
Pneumonia, Bronchiolitis, Asthma Exacerbation, Croup, Reactive Airway Disease, Upper Respiratory Disease, Viral Lower Respiratory Tract Infections, Lower Respiratory Disease
Interventions
Recordings of Infants and Children's Cough Sounds
Device
Lead sponsor
ResApp Health Limited
Industry
Eligibility
29 Days to 12 Years
Enrollment
1,470 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
3
States / cities
Boston, Massachusetts • Cleveland, Ohio • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 7, 2018 · Synced Jul 21, 2026, 4:22 PM EDT
Completed Phase 1 Interventional Results available

A Study of the Pharmacokinetics, Safety and Tolerability of Single Doses of VR647 Inhalation Suspension Administered Using the VR647 Inhalation System in Children With Wheezing, Reactive Airway Disease or Mild Asthma

NCT03421730
View directory record Official record
Conditions
Wheezing, Reactive Airway Disease, Mild Asthma
Interventions
VR647 Inhalation Suspension (budesonide) 1 mg/2 mL delivered by the VR647 Inhalation System, 1 mg/2 mL Pulmicort Respules delivered by a conventional jet nebulizer
Combination Product
Lead sponsor
Vectura Limited
Industry
Eligibility
4 Years to 8 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
3
States / cities
Colorado Springs, Colorado • Raleigh, North Carolina • Tulsa, Oklahoma
Source: ClinicalTrials.gov public record
Updated Oct 20, 2019 · Synced Jul 21, 2026, 4:22 PM EDT
Completed Not applicable Interventional Results available

Comparing Healthcare Utilization Between Adenotonsillectomy Patients With and Without Postoperative Antibiotic Use

NCT01561703
View directory record Official record
Conditions
Snoring, Strep Throat
Interventions
Antibiotic
Drug
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
Up to 17 Years
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 18, 2017 · Synced Jul 21, 2026, 4:22 PM EDT
Active, not recruiting No phase listed Observational

Critical Windows in the Development of Asthma Endotypes and Phenotypes in High-Risk Toddlers

NCT05210361
View directory record Official record
Conditions
Asthma in Children, Wheezing
Interventions
Not listed
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Months to 36 Months
Enrollment
192 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 19, 2025 · Synced Jul 21, 2026, 4:22 PM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

Tracking Breathing During Sleep With Non-contact Sensors

NCT01680380
View directory record Official record
Conditions
Sleep Apnea Syndromes, Snoring
Interventions
Not listed
Lead sponsor
Oregon Health and Science University
Other
Eligibility
21 Years to 89 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jul 6, 2016 · Synced Jul 21, 2026, 4:22 PM EDT
Completed No phase listed Observational

Early Life Factors and Respiratory Health in Mexico City Children

NCT00342758
View directory record Official record
Conditions
Respiratory Ilness
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
Not listed
Enrollment
6,800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2007
U.S. locations
1
States / cities
Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jul 21, 2026, 4:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Caffeine Reduction on Snoring and Quality of Life

NCT00641810
View directory record Official record
Conditions
Snoring
Interventions
Caffeine reduction
Behavioral
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Dec 30, 2013 · Synced Jul 21, 2026, 4:22 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Cough Sound Recordings to Understand COVID-19-like Symptom Progression to Understand COVID-19-like Symptom Progression

NCT04989452
View directory record Official record
Conditions
Covid19
Interventions
Recordings of cough sounds from adults
Diagnostic Test
Lead sponsor
ResApp Health Limited
Industry
Eligibility
21 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 28, 2023 · Synced Jul 21, 2026, 4:22 PM EDT