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, 11:18 AM 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 4,383 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Respiratory Tract Infections Clear all
Completed Phase 3 Interventional Accepts healthy volunteers

Study to Evaluate the Safety of a Bivalent Vaccine of New 6:2 Influenza Virus Reassortants in Healthy Adults

NCT00125944
View directory record Official record
Conditions
Healthy, Influenza
Interventions
FluMist
Biological
Lead sponsor
MedImmune LLC
Industry
Eligibility
18 Years to 49 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
4
States / cities
San Diego, California • Daytona Beach, Florida • Portland, Oregon + 1 more
Source: ClinicalTrials.gov public record
Updated May 8, 2007 · Synced Jul 21, 2026, 11:18 AM EDT
Completed No phase listed Observational

Methodologies for Observational Studies Comparing Inpatient COVID-19 Treatments

NCT05638932
View directory record Official record
Conditions
COVID-19
Interventions
Initiation of IL6Ri (tocilizumab or sarilumab) versus JAKi (baricitinib or tofacitinib) added to systemic corticosteroids of interest (CSI)
Drug
Lead sponsor
Aetion, Inc.
Other
Eligibility
18 Years and older
Enrollment
1,442 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Jul 21, 2026, 11:18 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Using Mobile App on Perceived Stress During COVID-19 Pandemic

NCT04329533
View directory record Official record
Conditions
Perceived Stress, Anxiety, Sleep Disturbance
Interventions
"Calm" is a mindfulness meditation mobile app
Other
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 99 Years · Female only
Enrollment
101 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Nov 12, 2020 · Synced Jul 21, 2026, 11:18 AM EDT
Completed Phase 2 Interventional

A Clinical Trial of KT07 Capsule in the U.S.A

NCT02867358
View directory record Official record
Conditions
Influenza, Human
Interventions
KT07 Capsule, Placebo
Drug · Other
Lead sponsor
Yiling Pharmaceutical Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
391 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
81
States / cities
Birmingham, Alabama • Pelham, Alabama • Tolleson, Arizona + 66 more
Source: ClinicalTrials.gov public record
Updated Aug 30, 2020 · Synced Jul 21, 2026, 11:18 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Spirulina Oral Supplement for Enhancing Host Resilience to Virus Infection

NCT05447078
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Immulina TM, Placebo
Drug · Dietary Supplement
Lead sponsor
University of Mississippi Medical Center
Other
Eligibility
18 Years and older
Enrollment
492 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Jackson, Mississippi
Source: ClinicalTrials.gov public record
Updated Dec 25, 2025 · Synced Jul 21, 2026, 11:18 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Drug-Drug Interaction Study to Evaluate the Effects of Itraconazole, Carbamazepine, Quinidine and Fluconazole on the Pharmacokinetics and Safety of EDP-323.

NCT06847464
View directory record Official record
Conditions
RSV Infection, Drug Drug Interaction (DDI)
Interventions
EDP-323, Itraconazole, carbamazepine, Quinidine, fluconazole
Drug
Lead sponsor
Enanta Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jun 30, 2025 · Synced Jul 21, 2026, 11:18 AM EDT
Recruiting Phase 3 Interventional

Characterization of Bronchodilator Response in Children With Bronchiolitis Using Phenotypic and Genotypic Features

NCT06946264
View directory record Official record
Conditions
Bronchiolitis, Bronchodilator Agents
Interventions
Albuterol Sulfate, 2.5 Mg/3 mL (0.083%) Inhalation Solution, Sodium Chloride 0.9% Inhl 3Ml
Drug
Lead sponsor
Nemours Children's Clinic
Other
Eligibility
3 Months to 24 Months
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2030
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Jul 21, 2026, 11:18 AM EDT
Active, not recruiting Phase 2 Interventional

A Study to Assess the Efficacy and Safety of Verekitug in Participants With COPD

NCT06981078
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Verekitug, Placebo
Drug · Other
Lead sponsor
Upstream Bio Inc.
Industry
Eligibility
40 Years to 85 Years
Enrollment
666 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
29
States / cities
Bakersfield, California • Encino, California • Lomita, California + 23 more
Source: ClinicalTrials.gov public record
Updated Jul 19, 2026 · Synced Jul 21, 2026, 11:18 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Human Lung Responses to Respiratory Pathogens

NCT01967628
View directory record Official record
Conditions
Respiratory Infection
Interventions
Vitamin D3 (cholecalciferol), Placebo Sugar Pill
Dietary Supplement
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 60 Years
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Mar 28, 2018 · Synced Jul 21, 2026, 11:18 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Comparative Tests of Flu Vaccination Phone Messages

NCT03332992
View directory record Official record
Conditions
Influenza, Human
Interventions
Viral changes, Protect others, General intentions, Behavioral intentions, Accountability
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
7,206 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 14, 2018 · Synced Jul 21, 2026, 11:18 AM EDT
Active, not recruiting Not applicable Interventional Results available

Home-based Brain Stimulation Treatment for Post-acute Sequelae of COVID-19 (PASC)

NCT05092516
View directory record Official record
Conditions
Dysexecutive Syndrome, Post-Acute Sequelae of COVID-19
Interventions
Active tDCS, Sham tDCS
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Charlestown, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Jul 21, 2026, 11:18 AM EDT
Completed Phase 1 Interventional

Skin Cleansing With Chlorhexidine to Decrease Hospital Acquired Infections

NCT00130221
View directory record Official record
Conditions
Nosocomial Infection, Bacteremia, Sepsis, Pneumonia, Urinary Tract Infection, Clostridium Infection
Interventions
2% chlorhexidine gluconate impregnated cloth, Daily bathing with Bar soap
Drug · Other
Lead sponsor
Cook County Health
Government
Eligibility
16 Years and older
Enrollment
208 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 17, 2023 · Synced Jul 21, 2026, 11:18 AM EDT
Terminated Phase 2 Interventional

INvestigating TELmisartin Study

NCT04715763
View directory record Official record
Conditions
Covid19
Interventions
Telmisartan Oral Product, Placebo
Drug
Lead sponsor
University of Hawaii
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated Jun 30, 2022 · Synced Jul 21, 2026, 11:18 AM EDT
Completed Phase 3 Interventional

Oral Care to Reduce Mouth and Throat Infections in Critically Ill Patients

NCT00078663
View directory record Official record
Conditions
Critical Illness
Interventions
Oral Care
Behavioral
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years and older
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2011
U.S. locations
5
States / cities
Washington D.C., District of Columbia • Bethesda, Maryland • Fairfax, Virginia + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jul 21, 2026, 11:18 AM EDT
Completed Phase 3 Interventional

A Multicenter, Randomized, Double-Blind, Double-Dummy Comparative Trial of Azithromycin Sustained Release Versus 3-Day Azithromycin for the Treatment of Strep Throat in Adolescents and Adults

NCT00644293
View directory record Official record
Conditions
Pharyngitis, Tonsillitis
Interventions
azithromycin (Zithromax), placebo, azithromycin SR
Drug
Lead sponsor
Pfizer
Industry
Eligibility
13 Years and older
Enrollment
598 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
16
States / cities
Clearwater, Florida • Boise, Idaho • Meridian, Idaho + 8 more
Source: ClinicalTrials.gov public record
Updated Jun 7, 2011 · Synced Jul 21, 2026, 11:18 AM EDT
Withdrawn Phase 2 Interventional

Preventing Frequent Sinus Infections in HIV-Infected Patients

NCT00000752
View directory record Official record
Conditions
HIV Infections, Sinusitis
Interventions
Pseudoephedrine hydrochloride, Guaifenesin, Cefuroxime axetil, Beclomethasone dipropionate
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
12 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1993
U.S. locations
10
States / cities
San Diego, California • San Francisco, California • The Bronx, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 27, 2021 · Synced Jul 21, 2026, 11:18 AM EDT
Completed Phase 2 Interventional Results available

Safety and Efficacy Study of Oxazolidinone to Treat Pneumonia

NCT00640926
View directory record Official record
Conditions
Community-Acquired Pneumonia (CAP)
Interventions
Radezolid
Drug
Lead sponsor
Melinta Therapeutics, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
158 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
8
States / cities
San Diego, California • Sylmar, California • Detroit, Michigan + 5 more
Source: ClinicalTrials.gov public record
Updated May 11, 2016 · Synced Jul 21, 2026, 11:18 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study on the Immune Response and Safety Elicited by a Vaccine Against Respiratory Syncytial Virus (RSV) When Given Alone and Together With a Vaccine Against Influenza in Adults Aged 65 Years and Above

NCT05559476
View directory record Official record
Conditions
Respiratory Syncytial Virus Infections
Interventions
RSVPreF3 OA investigational vaccine, FLU HD vaccine
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
65 Years and older
Enrollment
1,029 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
46
States / cities
Birmingham, Alabama • Tempe, Arizona • Canoga Park, California + 41 more
Source: ClinicalTrials.gov public record
Updated Sep 23, 2024 · Synced Jul 21, 2026, 11:18 AM EDT
Active, not recruiting No phase listed Observational

Long Term Outcomes of Patients With COVID-19

NCT04360538
View directory record Official record
Conditions
Critical Illness, Corona Virus Infection, Respiratory Failure, Covid-19
Interventions
Quality of Life, Impact Event Score, Hospital anxiety and depression scale
Other
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 12, 2026 · Synced Jul 21, 2026, 11:18 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Immunogenicity and Safety Study of Inactivated Subunit H5N1 Influenza Vaccine in Prior Recipients of Live Attenuated H2N2, H6N1 and H9N2 Influenza Vaccines and in H5N1 and Live Attenuated Vaccine Naïve Individuals

NCT03816878
View directory record Official record
Conditions
Influenza
Interventions
H5N1 pISV
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 60 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 21, 2025 · Synced Jul 21, 2026, 11:18 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Community Network-driven COVID-19 Testing and Vaccination of Vulnerable Populations in the Central US

NCT04743908
View directory record Official record
Conditions
Covid19
Interventions
Social Network Strategy + COVID-19 messaging
Other
Lead sponsor
University of Chicago
Other
Eligibility
15 Years and older
Enrollment
1,328 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 9, 2024 · Synced Jul 21, 2026, 11:18 AM EDT
Completed Phase 4 Interventional Results available

FLUAD vs. FLUZONE HD Influenza Vaccine in Residents of Long Term Care

NCT03694808
View directory record Official record
Conditions
Flu
Interventions
Fluad Vaccine, Fluzone HD Vaccine
Drug
Lead sponsor
David H. Canaday
Other
Eligibility
65 Years and older
Enrollment
478 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
2
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 29, 2024 · Synced Jul 21, 2026, 11:18 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Early Immune Responses to Inactivated Influenza Vaccine: a Pilot Study

NCT01522248
View directory record Official record
Conditions
Influenza Virus Vaccine
Interventions
Trivalent Inactivated Influenza vaccine
Biological
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years to 50 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 14, 2019 · Synced Jul 21, 2026, 11:18 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study to Evaluate the Safety, Tolerability, and Immunogenicity of an RNA Vaccine Candidate Against COVID-19 in Healthy Children

NCT04816643
View directory record Official record
Conditions
SARS-CoV-2 Infection, COVID-19
Interventions
Biological/Vaccine: BNT162b2 10mcg, BNT162b2 20mcg, BNT162b2 30mcg, Placebo, Biological/Vaccine: BNT162b2 3mcg
Biological · Other
Lead sponsor
BioNTech SE
Industry
Eligibility
6 Months to 15 Years
Enrollment
11,837 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
90
States / cities
Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 67 more
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Jul 21, 2026, 11:18 AM EDT