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ClinicalTrials.gov public records Last synced Oct 18, 2026, 5:32 AM EDT

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Showing 217–240 of 1,159 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Fluzone Clear all
Completed Early Phase 1 Interventional Accepts healthy volunteers

Atopic Dermatitis Research Network (ADRN) Influenza Vaccine Pilot

NCT01518478
View directory record Official record
Conditions
Atopic Dermatitis
Interventions
Fluzone® Intradermal (Sanofi Pasteur Inc.)
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 64 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 1, 2017 · Synced Oct 18, 2026, 5:32 AM EDT
Completed Phase 4 Interventional

Adjuvanted Influenza Vaccination in U.S. Nursing Homes

NCT02882100
View directory record Official record
Conditions
Influenza, Influenza-like Illness
Interventions
adjuvanted trivalent influenza vaccine, trivalent influenza vaccine
Biological
Lead sponsor
Insight Therapeutics, LLC
Other
Eligibility
65 Years and older
Enrollment
823 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 15, 2023 · Synced Oct 18, 2026, 5:32 AM EDT
Completed Phase 2 Interventional Results available

Comparing the Efficacy, Safety, and Tolerability of Combination Antivirals (Amantadine, Ribavirin, Oseltamivir) Versus Oseltamivir for the Treatment of Influenza in Adults at Risk for Complications

NCT01227967
View directory record Official record
Conditions
Influenza
Interventions
Amantadine, Ribavirin, Oseltamivir, Oseltamivir
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
881 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2017
U.S. locations
69
States / cities
Birmingham, Alabama • Chandler, Arizona • Glendale, Arizona + 58 more
Source: ClinicalTrials.gov public record
Updated Feb 4, 2019 · Synced Oct 18, 2026, 5:32 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Adjuvanted Seasonal Recombinant Quadrivalent Virus-Like Particles (QVLP) Influenza Vaccine in Adults 65 Years of Age and Older

NCT04622592
View directory record Official record
Conditions
Influenza
Interventions
Instramuscular vaccine
Biological
Lead sponsor
Medicago
Industry
Eligibility
65 Years and older
Enrollment
209 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
14
States / cities
Huntsville, Alabama • Chandler, Arizona • San Diego, California + 11 more
Source: ClinicalTrials.gov public record
Updated Jul 21, 2023 · Synced Oct 18, 2026, 5:32 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Evaluation of Alternative Oseltamivir (Tamiflu) Dosing Strategies.

NCT00304434
View directory record Official record
Conditions
Influenza
Interventions
Oseltamivir, Probenecid
Drug
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Sep 23, 2009 · Synced Oct 18, 2026, 5:32 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Study on the Incidence of Influenza and Its Complications, in Subjects Aged 50 Years and Over Vaccinated With Fluarix™

NCT00377611
View directory record Official record
Conditions
Influenza
Interventions
Fluarix™
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
50 Years and older
Enrollment
3,054 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
9
States / cities
Mobile, Alabama • Delray Beach, Florida • Pembroke Pines, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Oct 9, 2018 · Synced Oct 18, 2026, 5:32 AM EDT
Completed Not applicable Interventional

Efficacy Study of School-located Influenza Vaccination Clinics to Increase Influenza Vaccination Rates in Monroe County, New York

NCT02227186
View directory record Official record
Conditions
Childhood Influenza Vaccination, School-located Influenza Vaccination
Interventions
School-located Influenza Vaccination Clinic
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
4 Years to 19 Years
Enrollment
20,461 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated May 1, 2017 · Synced Oct 18, 2026, 5:32 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Single Dose Texas 2017 (H3N2) Challenge Study

NCT06476275
View directory record Official record
Conditions
Influenza Viral Infections
Interventions
Influenza A/Texas/71/2017 (H3N2), Sham placebo
Biological
Lead sponsor
Duke University
Other
Eligibility
18 Years to 46 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 26, 2025 · Synced Oct 18, 2026, 5:32 AM EDT
Completed Phase 4 Interventional Results available

High Dose Influenza Vaccine in Nursing Home - Pilot Study

NCT01720277
View directory record Official record
Conditions
Influenza
Interventions
HD Fluzone Vaccine, SD Fluzone Vaccine
Biological
Lead sponsor
Insight Therapeutics, LLC
Other
Eligibility
65 Years and older
Enrollment
2,957 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
2
States / cities
Providence, Rhode Island • Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated May 23, 2018 · Synced Oct 18, 2026, 5:32 AM EDT
Completed Not applicable Interventional Results available

High-risk Influenza Vaccine Alert

NCT05492786
View directory record Official record
Conditions
Influenza
Interventions
Alert, Salient alert features, High-risk Text, Risk factors
Behavioral
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years and older
Enrollment
80,452 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 30, 2024 · Synced Oct 18, 2026, 5:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Vaccination Education Through Pharmacists and Senior Centers (VEPSC)

NCT03239665
View directory record Official record
Conditions
Infectious Disease, Pneumonia, Bacterial, Influenza, Zoster; Herpes
Interventions
Pharmacist-led Intervention (PHARM), Peer-led Intervention (PEER)
Behavioral
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
50 Years and older
Enrollment
335 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Piscataway, New Jersey
Source: ClinicalTrials.gov public record
Updated Jul 1, 2020 · Synced Oct 18, 2026, 5:32 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Effectiveness of a Vaccination Program in the Community Ob/Gyn Setting

NCT00828555
View directory record Official record
Conditions
Influenza Vaccine, Papillomavirus Infection, Pertussis
Interventions
Vaccination Program
Other
Lead sponsor
Duke University
Other
Eligibility
12 Years to 26 Years · Female only
Enrollment
3,988 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
4
States / cities
Burlington, North Carolina • Durham, North Carolina • Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 16, 2012 · Synced Oct 18, 2026, 5:32 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Trivalent, Live, Cold Adapted Influenza Vaccine (CAIV-T) Against Inactivated Influenza Vaccine (TIV) in Children 6-59 Months of Age

NCT00128167
View directory record Official record
Conditions
Influenza
Interventions
Liquid CAIV-T
Drug
Lead sponsor
MedImmune LLC
Industry
Eligibility
6 Months to 59 Months
Enrollment
8,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2005
U.S. locations
107
States / cities
Hoover, Alabama • Tuscaloosa, Alabama • Little Rock, Arkansas + 96 more
Source: ClinicalTrials.gov public record
Updated Sep 13, 2021 · Synced Oct 18, 2026, 5:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Project to Investigate Ways to Reduce the Spread of Influenza in Schools and Households With Children

NCT00446628
View directory record Official record
Conditions
Influenza
Interventions
behaviors reducing spread of influenza
Behavioral
Lead sponsor
Kiren Mitruka
Federal
Eligibility
6 Months and older
Enrollment
3,360 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 27, 2016 · Synced Oct 18, 2026, 5:32 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity Study of GSK Biologicals' Seasonal Influenza Candidate Vaccine (GSK2321138A)

NCT01204671
View directory record Official record
Conditions
Influenza
Interventions
Influenza vaccine GSK2321138A, FluarixTM, Influenza vaccine GSK2604409A
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
4,659 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
10
States / cities
Chandler, Arizona • Miami, Florida • Newton, Kansas + 7 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2018 · Synced Oct 18, 2026, 5:32 AM EDT
Terminated No phase listed Observational Results available

Evaluation of a Screen and Treat Protocol for Influenza

NCT06207058
View directory record Official record
Conditions
Influenza
Interventions
Baloxavir Marboxil
Drug
Lead sponsor
Tricore, Inc
Other
Eligibility
5 Years and older
Enrollment
25 participants
Timeline
2024
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated May 23, 2025 · Synced Oct 18, 2026, 5:32 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Trial of High Dose vs. Standard Dose Influenza Vaccine in Inflammatory Bowel Disease Patients

NCT02461758
View directory record Official record
Conditions
Inflammatory Bowel Disease (IBD)
Interventions
Standard dose Influenza vaccine (SDIV), High dose influenza vaccine (HDIV)
Biological
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 64 Years
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 2, 2019 · Synced Oct 18, 2026, 5:32 AM EDT
Not yet recruiting Phase 4 Interventional Accepts healthy volunteers

Intranasal LAIV Mucosal Immunity Examination

NCT07093281
View directory record Official record
Conditions
Impact of Vaccination
Interventions
Live Attenuated Influenza Vaccine
Biological
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
2 Years to 89 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2027 – 2029
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Oct 18, 2026, 5:32 AM EDT
Completed No phase listed Observational

Clinical Validation of the LumiraDx SARS-CoV-2 & Flu A/B Combo Test

NCT05787444
View directory record Official record
Conditions
SARS-CoV-2, Influenza A, Influenza B, Asymptomatic COVID-19
Interventions
LumiraDx SARS-CoV-2 & Flu A/B
Diagnostic Test
Lead sponsor
LumiraDx UK Limited
Industry
Eligibility
2 Years and older
Enrollment
1,081 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Cullman, Alabama
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Oct 18, 2026, 5:32 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Polk COVID-19 and Flu Response

NCT04682132
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 21, 2021 · Synced Oct 18, 2026, 5:32 AM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of A/H1N1-SOIV (Swine Flu) Vaccine With and Without Adjuvant in Children (3 to < 9 Years)

NCT00972816
View directory record Official record
Conditions
Influenza
Interventions
MF59-eH1N1
Biological
Lead sponsor
Novartis Vaccines
Industry
Eligibility
3 Years to 8 Years
Enrollment
1,357 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
34
States / cities
Downey, California • Madera, California • Paramount, California + 29 more
Source: ClinicalTrials.gov public record
Updated Apr 14, 2016 · Synced Oct 18, 2026, 5:32 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Assessment, Feedback, Incentive, Exchange (AFIX OB) A Customizable Quality Improvement Intervention to Increase Maternal Vaccine Uptake

NCT04678271
View directory record Official record
Conditions
Influenza, Whooping Cough
Interventions
AFIX-OB Quality Improvement Package
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
202 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 21, 2023 · Synced Oct 18, 2026, 5:32 AM EDT
Completed Phase 1 Interventional

Standard Dose Versus High-Dose Inactivated Flu Vaccine in Pediatric Solid Organ Transplant Patients

NCT01525004
View directory record Official record
Conditions
Pediatric Solid Organ Transplant Patients
Interventions
High-Dose trivalent inactivated influenza vaccine, Standard dose trivalent inactivated influenza vaccine
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
3 Years to 17 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 16, 2016 · Synced Oct 18, 2026, 5:32 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Influenza Vaccine in Lung Transplant Patients - Seroprotection

NCT04531657
View directory record Official record
Conditions
Influenza
Interventions
Influenza vaccine
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
79 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2009
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 23, 2020 · Synced Oct 18, 2026, 5:32 AM EDT