Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 22, 2026, 5:50 AM EDT

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Showing 577–600 of 1,140 matching trials from the live ClinicalTrials.gov search.
Conditions
Influenza
Interventions
Nitazoxanide, Placebo
Drug
Lead sponsor
Romark Laboratories L.C.
Industry
Eligibility
18 Years to 65 Years
Enrollment
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
1
States / cities
Elmira, New York
Completed Not applicable Interventional Accepts healthy volunteers

Increasing Vaccine Uptake Among Veterans at the Atlanta VA Health Care System

NCT03950986
Conditions
Influenza, Tetanus, Diphtheria, Pertussis, Pneumonia
Interventions
Modified clinical reminders
Other
Lead sponsor
Atlanta VA Medical Center
Federal
Eligibility
Not listed
Enrollment
67,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Decatur, Georgia
Completed No phase listed Observational

FLU A+B Nasal Swab Clinical Study

NCT00636662
Conditions
Influenza
Interventions
Non-invasive diagnostic testing
Other
Lead sponsor
Response Biomedical Corp.
Industry
Eligibility
Not listed
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
4
States / cities
Chicago, Illinois • St Louis, Missouri • Winston-Salem, North Carolina + 1 more
Completed No phase listed Observational Accepts healthy volunteers

Infection Watch Study

NCT04623047
Conditions
COVID-19 Respiratory Infection, Respiratory Syncytial Virus Infections, Rhinoviral Infections, Influenza Viral Infections
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
10,034 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Influenza A Virus, H1N1 Subtype
Interventions
Zanamivir
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 55 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Minneapolis, Minnesota
Conditions
Acute, Uncomplicated Human Influenza
Interventions
Peramivir, Placebo
Drug
Lead sponsor
BioCryst Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
405 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
67
States / cities
Birmingham, Alabama • Phoenix, Arizona • Jonesboro, Arkansas + 58 more
Conditions
Influenza, Human, Influenza in Birds, Respiratory Tract Infections, Infections, Orthomyxoviridae Infections, RNA Virus Infections, Virus Diseases, Respiratory Tract Diseases
Interventions
aH5N6c on Day 1, aH5N6c on Day 22, Placebo on Day 22
Biological
Lead sponsor
Seqirus
Industry
Eligibility
18 Years and older
Enrollment
260 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
18
States / cities
Huntsville, Alabama • Tempe, Arizona • San Diego, California + 14 more
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

SAVE: School Ambassadors for Vaccine Education

NCT07164144
Conditions
Influenza Vaccination
Interventions
Vaccine Communication Training
Behavioral
Lead sponsor
University of Rochester
Other
Eligibility
5 Years to 21 Years
Enrollment
6,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Rochester, New York
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Entolimod on Immunosenescence in Healthy Geriatric Subjects Receiving Influenza Vaccination

NCT04176133
Conditions
Healthy
Interventions
Entolimod, Placebo, Influenza vaccine
Drug
Lead sponsor
Robert J. Pignolo
Other
Eligibility
65 Years and older
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Influenza, Fever
Interventions
Mammalian cell based flu vaccine, Egg based flu vaccine
Biological
Lead sponsor
Novartis Vaccines
Industry
Eligibility
4 Years to 17 Years
Enrollment
2,055 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
18
States / cities
Mobile, Alabama • Ponte Vedra, Florida • Augusta, Kansas + 12 more
Conditions
Influenza
Interventions
CAIV-T, TIV, Placebo
Biological
Lead sponsor
MedImmune LLC
Industry
Eligibility
18 Years to 65 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001
U.S. locations
1
States / cities
Stamford, Connecticut
Conditions
Influenza
Interventions
Baloxavir Marboxil, Placebo
Drug · Other
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
12 Years and older
Enrollment
363 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
14
States / cities
Torrance, California • Denver, Colorado • Decatur, Georgia + 11 more
Not listed No phase listed Observational Accepts healthy volunteers

Polk COVID-19 and Flu Response

NCT04682132
Conditions
Covid19
Interventions
COVID-19 antigen and antibody tests, and influenza rapid test
Diagnostic Test
Lead sponsor
Polk County Fire Rescue
Government
Eligibility
18 Years and older
Enrollment
686 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Bartow, Florida
Conditions
Influenza Prevention
Interventions
INFLUENZA G1 mHA, Placebo, Al(OH)3
Biological
Lead sponsor
Janssen Vaccines & Prevention B.V.
Industry
Eligibility
18 Years to 45 Years
Enrollment
170 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
4
States / cities
Miami Lakes, Florida • Lenexa, Kansas • Metairie, Louisiana + 1 more
Completed No phase listed Observational Accepts healthy volunteers

Audio Data Collection for Identification and Classification of Coughing

NCT04326309
Conditions
COVID-19, Coronavirus Infections, Hay Fever, Asthma, Chronic Obstructive Pulmonary Disease, Influenza, Common Cold, Respiratory Tract Infections, Healthy
Interventions
Not listed
Lead sponsor
HealthMode Inc.
Industry
Eligibility
18 Years and older
Enrollment
336 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
The Bronx, New York
Conditions
Influenza
Interventions
Text Message, automated call
Other
Lead sponsor
Columbia University
Other
Eligibility
6 Months to 50 Years
Enrollment
30,537 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
New York, New York
Completed No phase listed Observational

Inpatient Influenza Surveillance

NCT00419861
Conditions
Influenza
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
50 Years and older
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Nashville, Tennessee
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Oakland Men's Health Disparities Study

NCT03481270
Conditions
Behavior, Cardiovascular Risk Factor, Influenza
Interventions
Concordant
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 100 Years · Male only
Enrollment
1,374 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Oakland, California
Conditions
Flu
Interventions
the H3N2 M2SR monovalent influenza vaccine, Placebo
Biological · Other
Lead sponsor
FluGen Inc
Industry
Eligibility
18 Years to 49 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Lenexa, Kansas
Active, not recruiting Phase 4 Interventional Accepts healthy volunteers

Comparative Immunogenicity of Respiratory Virus Vaccines (CIRV2) Study

NCT07287137
Conditions
COVID -19, COVID - 19, COVID 19, Influenza, Respiratory Virus, Respiratory Viruses, Respiratory Virus Infection, Respiratory Virus Infections
Interventions
Pfizer-BioNTech mRNA COVID-19 vaccine, Novavax recombinant protein vaccine
Drug
Lead sponsor
Henry M. Jackson Foundation for the Advancement of Military Medicine
Other
Eligibility
18 Years to 79 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Bethesda, Maryland
Completed Phase 2 Interventional Accepts healthy volunteers

H9 Priming Study in Healthy Adults

NCT00617331
Conditions
Influenza
Interventions
Subvirion inactivated influenza A/H9N2 (G9 variant) vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 59 Years
Enrollment
121 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Houston, Texas
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study to Evaluate a Modified RNA Vaccine Against Influenza in Adults 18 Years of Age or Older

NCT05540522
Conditions
Influenza, Human
Interventions
Quadrivalent influenza modRNA vaccine, Quadrivalent influenza vaccine
Biological
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
45,789 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
263
States / cities
Athens, Alabama • Birmingham, Alabama • Dothan, Alabama + 192 more
Conditions
Healthy Adult Volunteers
Interventions
NB-1008, Control
Biological · Other
Lead sponsor
NanoBio Corporation
Industry
Eligibility
18 Years to 49 Years
Enrollment
199 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Lenexa, Kansas
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Beta-glucan and Immune Response to Influenza Vaccine

NCT05074303
Conditions
Healthy Aging
Interventions
Influenza Vaccine, Beta-glucan, Placebo
Biological · Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
50 Years to 100 Years
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Gainesville, Florida