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, 9:54 PM EDT

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

Showing 1–24 of 100 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Lower Respiratory Disease Clear all
Completed Not applicable Interventional

To Determine if a Lower Extremity Strengthening Program Improve Quadriceps Muscle Strength

NCT01080703
View directory record Official record
Conditions
Pulmonary Disease
Interventions
Exercise
Other
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 3, 2014 · Synced Jul 22, 2026, 9:54 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, 9:54 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Efficacy Study of GSK's Investigational Respiratory Syncytial Virus (RSV) Vaccine in Adults Aged 60 Years and Above

NCT04886596
View directory record Official record
Conditions
Respiratory Syncytial Virus Infections
Interventions
Placebo, RSVPreF3 OA vaccine
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
60 Years and older
Enrollment
26,675 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
60
States / cities
Birmingham, Alabama • Huntsville, Alabama • Phoenix, Arizona + 54 more
Source: ClinicalTrials.gov public record
Updated Jul 30, 2025 · Synced Jul 22, 2026, 9:54 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Safety and Efficacy of MEDI8897 for the Prevention of Medically Attended Lower Respiratory Tract Infection Due to Respiratory Syncytial Virus in Healthy Late Preterm and Term Infants (MELODY)

NCT03979313
View directory record Official record
Conditions
Respiratory Syncytial Virus Infections
Interventions
MEDI8897, Placebo
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
0 Years to 1 Year
Enrollment
3,012 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
66
States / cities
Birmingham, Alabama • Fort Defiance, Arizona • Fayetteville, Arkansas + 59 more
Source: ClinicalTrials.gov public record
Updated Feb 27, 2024 · Synced Jul 22, 2026, 9:54 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Exhaled Carbon Monoxide and Red Blood Cell Turnover

NCT03288233
View directory record Official record
Conditions
Diabetes Mellitus, Healthy
Interventions
Breath carbon monoxide measurement
Diagnostic Test
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years to 75 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 19, 2017 · Synced Jul 22, 2026, 9:54 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 22, 2026, 9:54 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Breathe: Slow Paced Breathing to Lower Blood Pressure

NCT00328016
View directory record Official record
Conditions
High Blood Pressure
Interventions
Guided Breathing, RESPeRATE
Behavioral · Device
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
40 Years to 70 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jul 22, 2026, 9:54 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Development of a Breath Analyzer for Asthma Screening

NCT00386737
View directory record Official record
Conditions
Asthma
Interventions
Not listed
Lead sponsor
Ekips Technologies
Industry
Eligibility
4 Years to 65 Years
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2007
U.S. locations
1
States / cities
Norman, Oklahoma
Source: ClinicalTrials.gov public record
Updated Oct 11, 2006 · Synced Jul 22, 2026, 9:54 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 22, 2026, 9:54 PM EDT
Terminated No phase listed Observational

Detecting Respiratory Viruses in Upper and Lower Respiratory Tract Samples

NCT01597089
View directory record Official record
Conditions
Respiratory Viruses
Interventions
Not listed
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
12 Years to 99 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated May 2, 2018 · Synced Jul 22, 2026, 9:54 PM EDT
Active, not recruiting No phase listed Observational

A Study to Learn How Effective is PCV20 to Help Stop Adults Who Have a Higher Chance of Getting Pneumonia

NCT07251465
View directory record Official record
Conditions
Pneumonia
Interventions
Receipt of PCV20
Biological
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
846,279 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 21, 2026 · Synced Jul 22, 2026, 9:54 PM EDT
Active, not recruiting Phase 4 Interventional Accepts healthy volunteers

Systems Biological Analysis of Immune Responses to RSV Vaccine

NCT07185399
View directory record Official record
Conditions
Respiratory Syncytial Virus (RSV)
Interventions
Moderna RSV vaccine
Biological
Lead sponsor
Emory University
Other
Eligibility
60 Years and older
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Decatur, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 21, 2026 · Synced Jul 22, 2026, 9:54 PM EDT
Completed No phase listed Observational

A Study to Investigate How Respiratory Syncytial Virus (RSV) Infection Develops and Changes Over Time in Pediatric Participants

NCT06746051
View directory record Official record
Conditions
RSV Infections
Interventions
Not listed
Lead sponsor
Shionogi
Industry
Eligibility
Up to 36 Months
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
2
States / cities
Syracuse, New York • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 3, 2025 · Synced Jul 22, 2026, 9:54 PM EDT
Recruiting Phase 3 Interventional

Phase III DAS181 Lower Tract PIV Infection in Immunocompromised Subjects (Substudy: DAS181 for COVID-19): RCT Study

NCT03808922
View directory record Official record
Conditions
Lower Respiratory Tract Infection, Parainfluenza, Immunocompromised, COVID-19
Interventions
DAS181, Placebo, DAS181 COVID-19, DAS181 OL
Drug
Lead sponsor
Ansun Biopharma, Inc.
Industry
Eligibility
Not listed
Enrollment
274 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2028
U.S. locations
23
States / cities
Duarte, California • Sacramento, California • Chicago, Illinois + 17 more
Source: ClinicalTrials.gov public record
Updated Jun 22, 2026 · Synced Jul 22, 2026, 9:54 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Phase 1 Study Into Pharmacokinetics and Food Effect of Vapendavir in Healthy Participants and Participants With COPD

NCT05962645
View directory record Official record
Conditions
COPD, Respiratory Disease, Lower Respiratory Disease, Pulmonary Disease, Healthy
Interventions
Vapendavir
Drug
Lead sponsor
Altesa Biosciences, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jul 29, 2024 · Synced Jul 22, 2026, 9:54 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Prospective, Epidemiological Study to Assess the Disease Burden of Respiratory Syncytial Virus Associated, Suspected Lower Respiratory Tract Infections in Newborns, From 0 to 2 Years of Age and Risk of Development of Wheeze and Asthma From 0 to 6 Years of Age

NCT01995175
View directory record Official record
Conditions
Respiratory Syncytial Virus
Interventions
Nasal swab sampling, Blood sampling, Diary cards
Procedure · Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
Up to 6 Years
Enrollment
2,409 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2021
U.S. locations
9
States / cities
Oakland, California • Sacramento, California • Santa Clara, California + 5 more
Source: ClinicalTrials.gov public record
Updated Nov 28, 2022 · Synced Jul 22, 2026, 9:54 PM EDT
Enrolling by invitation No phase listed Observational

Study on Home Obstructive Respiratory Exacerbations

NCT06544928
View directory record Official record
Conditions
COPD Exacerbation, COPD (Chronic Obstructive Pulmonary Disease) With Acute Lower Respiratory Infection, COPD Exacerbation Acute, COPD
Interventions
RESP™ Biosensor
Device
Lead sponsor
Strados Labs, Inc.
Industry
Eligibility
40 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 19, 2026 · Synced Jul 22, 2026, 9:54 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Study of Gamma Tocopherol-enriched Supplement on Lower Airway Responses to Inhaled Wood Smoke in Healthy Adults

NCT03444298
View directory record Official record
Conditions
Airway Inflammation, Asthma
Interventions
Gamma Tocopherol, Placebo
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 45 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 4, 2024 · Synced Jul 22, 2026, 9:54 PM EDT
Recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

A Study of BLB-201 RSV Vaccine in Infants and Children

NCT05655182
View directory record Official record
Conditions
Respiratory Syncytial Virus Infections
Interventions
PIV5-vectored RSV Vaccine (BLB-201) Low Dose, PIV5-vectored RSV Vaccine (BLB-201) High Dose, Placebo
Biological · Drug
Lead sponsor
Blue Lake Biotechnology Inc.
Industry
Eligibility
6 Months to 5 Years
Enrollment
137 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
15
States / cities
La Mesa, California • Modesto, California • Aurora, Colorado + 12 more
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Jul 22, 2026, 9:54 PM EDT
Completed No phase listed Observational

Rivaroxaban Utilization for Treatment and Prevention of Thromboembolism in Cancer Patients: Experience at a Comprehensive Cancer Center

NCT02502396
View directory record Official record
Conditions
Cancer, Deep-vein Thrombosis of the Lower and Upper Extremities, Pulmonary Embolism, Non-valvular Atrial Fibrillation
Interventions
Retrospective Chart Review
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
265 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2022
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 23, 2022 · Synced Jul 22, 2026, 9:54 PM EDT
Completed Phase 2Phase 3 Interventional Results available

A Study to Evaluate the Safety of MEDI8897 for the Prevention of Medically Attended Respiratory Syncytial Virus(RSV) Lower Respiratory Track Infection (LRTI) in High-risk Children

NCT03959488
View directory record Official record
Conditions
Respiratory Syncytial Virus Infections
Interventions
MEDI8897, Palivizumab
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
0 Years to 1 Year
Enrollment
925 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
30
States / cities
Anaheim, California • Long Beach, California • Los Angeles, California + 27 more
Source: ClinicalTrials.gov public record
Updated Sep 20, 2023 · Synced Jul 22, 2026, 9:54 PM EDT
Completed No phase listed Observational

Study to Evaluate the Human Infection of the Lower Respiratory Tract in Children at High Risk

NCT00192439
View directory record Official record
Conditions
Severe Respiratory Disease
Interventions
High Risk Respiratory Disease
Behavioral
Lead sponsor
MedImmune LLC
Industry
Eligibility
1 Day to 24 Months
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
16
States / cities
Long Beach, California • Denver, Colorado • Chicago, Illinois + 13 more
Source: ClinicalTrials.gov public record
Updated May 6, 2007 · Synced Jul 22, 2026, 9:54 PM EDT
Terminated Not applicable Interventional Results available

Cystic Fibrosis and Urinary Incontinence

NCT04922255
View directory record Official record
Conditions
Urinary Incontinence, Cystic Fibrosis
Interventions
Reusable Underwear, Disposable urethral support, Pelvic floor physical therapy
Device · Behavioral
Lead sponsor
Megan Bradley
Other
Eligibility
18 Years to 99 Years · Female only
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 30, 2024 · Synced Jul 22, 2026, 9:54 PM EDT
Recruiting Phase 2 Interventional

PUL-042 Treatment in Patients With Parainfluenza Virus (PIV), Human Metapneumovirus (hMPV) or Respiratory Syncytial Virus (RSV)

NCT06665100
View directory record Official record
Conditions
Hematologic Malignancies, Hematopoietic Stem Cell Transplant (HSCT)
Interventions
PUL-042, Placebo
Drug
Lead sponsor
Pulmotect, Inc.
Industry
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
11
States / cities
Duarte, California • Atlanta, Georgia • Baltimore, Maryland + 8 more
Source: ClinicalTrials.gov public record
Updated Apr 23, 2026 · Synced Jul 22, 2026, 9:54 PM EDT