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 come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.

Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 8, 2026, 2:49 AM EDT

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

Showing 145–168 of 740 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Respiratory Infections, Acute Clear all
Active, not recruiting No phase listed Observational Accepts healthy volunteers

ARMOR-Household: Characterizing Transmission of COVID-19 in Households of SARS-CoV-2 Index Cases

NCT05467917
View directory record Official record
Conditions
COVID-19, Households, SARS CoV 2 Infection
Interventions
Not listed
Lead sponsor
Columbia University
Other
Eligibility
Not listed
Enrollment
374 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 11, 2026 · Synced Oct 8, 2026, 2:49 AM EDT
Active, not recruiting Not applicable Interventional

Rapid Diagnosis of Viral Acute Respiratory Infection to Decrease Unnecessary Antibiotic Utilization in the Emergency Department (RADIATE)

NCT06271655
View directory record Official record
Conditions
Acute Respiratory Infection, Viral Infection, Upper Respiratory Tract Infections
Interventions
SPOTFIRE R Panel
Device
Lead sponsor
Christopher Payette
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Nov 21, 2025 · Synced Oct 8, 2026, 2:49 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

COVID-19-Related Health and Practices Among Dental Hygienists

NCT04542915
View directory record Official record
Conditions
SARS-CoV Infection, Anxiety, Depression, Occupational Problems, Severe Acute Respiratory Syndrome, Coronavirus Infection
Interventions
No intervention
Other
Lead sponsor
American Dental Association
Other
Eligibility
18 Years and older
Enrollment
6,976 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 16, 2021 · Synced Oct 8, 2026, 2:49 AM EDT
Completed Not applicable Interventional

Brain-Training Treatment for Long COVID in Older Adults

NCT05705193
View directory record Official record
Conditions
Post-Acute COVID-19 Syndrome
Interventions
NeuroFlex (computerized gamified tasks)
Other
Lead sponsor
UConn Health
Other
Eligibility
60 Years and older
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 14, 2026 · Synced Oct 8, 2026, 2:49 AM EDT
Terminated Phase 2 Interventional Results available

Antithrombin III in Infectious Disease Caused by COVID-19

NCT04899232
View directory record Official record
Conditions
Antithrombin III Deficiency, Covid19
Interventions
Antithrombin III
Drug
Lead sponsor
Enrique Ginzburg
Other
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Sep 7, 2022 · Synced Oct 8, 2026, 2:49 AM EDT
Terminated Not applicable Interventional

Inhaled NO for the Treatment of COVID-19 Caused by SARS-CoV-2 (US Trial)

NCT04397692
View directory record Official record
Conditions
Corona Virus Infection, COVID-19, SARS-CoV 2, Nitric Oxide, Respiratory Disease, Pneumonia, Viral, Inhaled Nitric Oxide
Interventions
Nitric Oxide delivered via LungFit™ system
Device
Lead sponsor
Beyond Air Inc.
Industry
Eligibility
22 Years to 65 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Dec 16, 2022 · Synced Oct 8, 2026, 2:49 AM EDT
Completed No phase listed Observational

Awake Proning in COVID-19 Patients With Hypoxemic Respiratory Failure

NCT04408222
View directory record Official record
Conditions
Oxygen Deficiency, Coronavirus Infection
Interventions
Awake proning
Other
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 9, 2022 · Synced Oct 8, 2026, 2:49 AM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Study of the Efficacy and Safety of Intravenous Pamrevlumab, in Hospitalized Participants With Acute COVID-19 Disease

NCT04432298
View directory record Official record
Conditions
COVID-19
Interventions
Pamrevlumab, Placebo
Drug
Lead sponsor
Kyntra Bio
Industry
Eligibility
40 Years to 85 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
4
States / cities
Detroit, Michigan • Greensboro, North Carolina • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 18, 2022 · Synced Oct 8, 2026, 2:49 AM EDT
Completed Phase 3 Interventional Results available

Aggrenox To Treat Acute Covid-19

NCT04410328
View directory record Official record
Conditions
Covid19
Interventions
Dipyridamole ER 200mg/ Aspirin 25mg orally/enterally AND Standard of care, Standard of care
Drug · Other
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
19 Years and older
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Newark, New Jersey
Source: ClinicalTrials.gov public record
Updated Feb 21, 2025 · Synced Oct 8, 2026, 2:49 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Mitoquinone/Mitoquinol Mesylate as Oral and Safe Postexposure Prophylaxis for Covid-19

NCT05886816
View directory record Official record
Conditions
SARS-CoV Infection, COVID-19
Interventions
Mitoquinone/mitoquinol mesylate, Placebo
Drug · Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
122 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Sep 21, 2026 · Synced Oct 8, 2026, 2:49 AM EDT
Terminated No phase listed Observational

Acute Viral Respiratory Infections in Elderly

NCT00170495
View directory record Official record
Conditions
Respiratory Infections, Acute
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
65 Years and older
Enrollment
3,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 27, 2010 · Synced Oct 8, 2026, 2:49 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

A Strain Change Study for SARS-CoV-2 rS Vaccines

NCT06409663
View directory record Official record
Conditions
Severe Acute Respiratory Syndrome Coronavirus 2 Infection
Interventions
NVX-CoV2705 Vaccine
Biological
Lead sponsor
Novavax
Industry
Eligibility
18 Years to 90 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
2
States / cities
Phoenix, Arizona • Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jul 18, 2025 · Synced Oct 8, 2026, 2:49 AM EDT
Completed Phase 2 Interventional Results available

Daily Vitamin D for Sickle-cell Respiratory Complications

NCT04170348
View directory record Official record
Conditions
Sickle Cell Disease, Anemia, Sickle Cell, Anemia, Hemolytic, Congenital, Respiratory Tract Diseases, Respiration Disorders, Acute Chest Syndrome, Lung Diseases, Asthma, Respiratory Tract Infections, Nutrition Disorders, Deficiency Diseases Vitamin, Vitamin D Deficiency
Interventions
Daily oral vitamin D3, 3,333 IU, Monthly oral vitamin D3, 100,000 IU, Placebo oral tablet
Drug
Lead sponsor
Columbia University
Other
Eligibility
3 Years to 20 Years
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 24, 2025 · Synced Oct 8, 2026, 2:49 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

COVID-19 Recovery Study: Symptoms and Biomarkers of Long COVID-19 in People Living With and Without HIV

NCT04958889
View directory record Official record
Conditions
Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV2), HIV
Interventions
No intervention
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
392 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 4, 2024 · Synced Oct 8, 2026, 2:49 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Relative Bioavailability Study of Nirmatrelvir/Ritonavir 4 Different Fixed Dose Combination Tablets Relative to the Commercial Tablets in Healthy Participants

NCT05525910
View directory record Official record
Conditions
Biological Availability, Healthy Participants
Interventions
Nirmatrelvir/ ritonavir
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Oct 8, 2026, 2:49 AM EDT
Completed No phase listed Observational

An Observational Study to Evaluate The Relationship of Nasal Mucus Properties and Symptoms

NCT01553110
View directory record Official record
Conditions
Acute Rhinosinusitis, Allergic Rhinitis
Interventions
Not listed
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
12 Years to 100 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 25, 2019 · Synced Oct 8, 2026, 2:49 AM EDT
Recruiting Not applicable Interventional

An Adjunct Test Distinguishing Bacterial From Viral Etiology Improves Resource Utilization and Efficiency in the ED.

NCT06070688
View directory record Official record
Conditions
Respiratory Tract Infections
Interventions
MeMed BV® biomarker test, Usual care
Diagnostic Test
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 23, 2026 · Synced Oct 8, 2026, 2:49 AM EDT
Completed Phase 4 Interventional

Phase 4 Study - Mucinex D as Adjunct Therapy

NCT00441246
View directory record Official record
Conditions
Acute Respiratory Infection, Bronchitis, Rhinosinusitis
Interventions
Mucinex D (600 mg guaifenesin and 60 mg pseudoephedrine HCl extended-release bi-layer tablets)
Drug
Lead sponsor
Adams Respiratory Therapeutics
Industry
Eligibility
18 Years to 75 Years
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
28
States / cities
Birmingham, Alabama • Carmichael, California • Torrance, California + 24 more
Source: ClinicalTrials.gov public record
Updated Feb 6, 2008 · Synced Oct 8, 2026, 2:49 AM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

PATCH 2&3:Prevention & Treatment of COVID-19 (Severe Acute Respiratory Syndrome Coronavirus 2) With Hydroxychloroquine

NCT04353037
View directory record Official record
Conditions
Coronavirus, Corona Virus Infection
Interventions
Group 1 HCQ, Group 2 Placebo
Drug
Lead sponsor
UnitedHealth Group
Industry
Eligibility
18 Years to 75 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 19, 2021 · Synced Oct 8, 2026, 2:49 AM EDT
Recruiting Phase 2 Interventional

Magnetic Resonance Analysis of Neural Inflammatory Factors and External Stimulation

NCT06940609
View directory record Official record
Conditions
Long COVID, Long COVID Syndrome, Long COVID-19 Syndrome, PASC, PASC Post Acute Sequelae of COVID 19
Interventions
accelerated intermittent theta burst stimulation
Device
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Oct 8, 2026, 2:49 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Wide Scale Monitoring for Acute Respiratory Infection Using a Mobile-Based Study Platform

NCT04663776
View directory record Official record
Conditions
Covid19, Influenza, Respiratory Tract Infections, Acute Respiratory Tract Infection, Acute Respiratory Distress Syndrome
Interventions
Not listed
Lead sponsor
Boston Children's Hospital
Other
Eligibility
18 Years and older
Enrollment
16,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 7, 2022 · Synced Oct 8, 2026, 2:49 AM EDT
Completed No phase listed Observational

ScreenNC, a Study to Determine the Number of Asymptomatic Individuals Who Have Antibodies to the Virus That Causes COVID-19

NCT04367740
View directory record Official record
Conditions
Asymptomatic Condition, Infection Viral, Coronavirus Infections, Severe Acute Respiratory Syndrome Coronavirus 2, Coronaviridae Infections, RNA Virus Infections, Virus Diseases, Communicable Disease
Interventions
To assess for development of IgG antibodies against SARS-CoV2
Diagnostic Test
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 99 Years
Enrollment
6,313 participants
Timeline
2020 – 2022
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 9, 2023 · Synced Oct 8, 2026, 2:49 AM EDT
Completed Not applicable Interventional

Study to Evaluate Benefits & Safety of Endourage Formula C™ Oral Drops in People With Post-Acute COVID-19 Syndrome.

NCT04828668
View directory record Official record
Conditions
Covid 19
Interventions
Targeted Wellness Formula C™ Sublingual Drops - 1200mg - 30 mL (Formula C)
Dietary Supplement
Lead sponsor
Endourage, LLC
Industry
Eligibility
18 Years to 75 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Novato, California
Source: ClinicalTrials.gov public record
Updated Aug 7, 2025 · Synced Oct 8, 2026, 2:49 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Fluvoxamine for Long COVID-19

NCT05874037
View directory record Official record
Conditions
Long COVID
Interventions
Fluvoxamine
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
25 Years and older
Enrollment
191 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 7, 2026 · Synced Oct 8, 2026, 2:49 AM EDT