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ClinicalTrials.gov public records Last synced Oct 13, 2026, 8:14 AM EDT

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Showing 49–72 of 173 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Influenza Virus Vaccine (Fluzone®) Clear all
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study of mRNA-1345 Vaccine Targeting Respiratory Syncytial Virus (RSV) in Adults ≥50 Years of Age

NCT05330975
View directory record Official record
Conditions
Respiratory Syncytial Virus
Interventions
Placebo, mRNA-1345, Afluria® Quadrivalent, mRNA-1273.214
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
50 Years and older
Enrollment
3,317 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
62
States / cities
Birmingham, Alabama • Tucson, Arizona • Garden Grove, California + 51 more
Source: ClinicalTrials.gov public record
Updated Dec 30, 2025 · Synced Oct 13, 2026, 8:14 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity Among Healthy Children Receiving Fluzone® Influenza Virus Vaccine (2012-2013 Formulation)

NCT01691326
View directory record Official record
Conditions
Influenza
Interventions
Fluzone®: Influenza Virus Vaccine, No Preservative: Pediatric Dose, Fluzone®; Influenza Virus Vaccine, No Preservative
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
6 Months to 8 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
2
States / cities
Bardstown, Kentucky • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 16, 2014 · Synced Oct 13, 2026, 8:14 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity Testing of Influenza Vaccine in Healthy Children 2 Months and 6 Months of Age

NCT00858468
View directory record Official record
Conditions
Influenza
Interventions
Influenza virus vaccine (2004-2005 Formulation)
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
2 Months to 9 Months
Enrollment
394 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
8
States / cities
Little Rock, Arkansas • Marietta, Georgia • Durham, North Carolina + 5 more
Source: ClinicalTrials.gov public record
Updated Apr 14, 2016 · Synced Oct 13, 2026, 8:14 AM EDT
Completed No phase listed Observational

Chart Review of Antivirals for Influenza in Infants

NCT00311701
View directory record Official record
Conditions
Influenza
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
Up to 11 Months
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
15
States / cities
Birmingham, Alabama • Pulaski, Arkansas • Orange, California + 12 more
Source: ClinicalTrials.gov public record
Updated May 13, 2011 · Synced Oct 13, 2026, 8:14 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study of mRNA-1010 Compared With a Licensed Influenza Vaccine in Adults ≥50 Years of Age

NCT06602024
View directory record Official record
Conditions
Seasonal Influenza
Interventions
mRNA-1010, Fluarix®, Influsplit® Tetra, Fluarix Tetra, Alpharix® Tetra
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
50 Years and older
Enrollment
40,805 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
188
States / cities
Anniston, Alabama • Athens, Alabama • Birmingham, Alabama + 150 more
Source: ClinicalTrials.gov public record
Updated Sep 16, 2026 · Synced Oct 13, 2026, 8:14 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

TIV and High Dose TIV in Subjects With Rheumatoid Arthritis

NCT01436370
View directory record Official record
Conditions
Influenza
Interventions
Trivalent inactivated influenza vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 64 Years
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Dec 24, 2014 · Synced Oct 13, 2026, 8:14 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Immunogenicity, Safety, Reactogenicity, Efficacy, Effectiveness and Lot Consistency of FluBlok

NCT00539981
View directory record Official record
Conditions
Influenza
Interventions
FluBlok®, Placebo
Biological
Lead sponsor
Sanofi
Industry
Eligibility
18 Years to 49 Years
Enrollment
4,648 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
24
States / cities
Beverly Hills, California • Sacramento, California • San Francisco, California + 20 more
Source: ClinicalTrials.gov public record
Updated Apr 6, 2022 · Synced Oct 13, 2026, 8:14 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Panblok H7 Vaccine Adjuvanted With AS03 or MF59

NCT03283319
View directory record Official record
Conditions
Influenza, Human
Interventions
3.75 ug Panblok H7, 7.5 ug Panblok H7, 15 ug Panblok H7, MF59, AS03
Biological
Lead sponsor
Biomedical Advanced Research and Development Authority
Federal
Eligibility
18 Years to 49 Years
Enrollment
366 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
4
States / cities
Lenexa, Kansas • Wichita, Kansas • Lexington, Kentucky + 1 more
Source: ClinicalTrials.gov public record
Updated May 6, 2020 · Synced Oct 13, 2026, 8:14 AM EDT
Recruiting Phase 2 Interventional

High vs. Standard Dose Influenza Vaccines in Lung Transplant (Repeater)

NCT07192458
View directory record Official record
Conditions
Immunization; Infection|Transplantation Infection|Influenza, Influenza
Interventions
Fluzone High Dose Inactivated Influenza Vaccine, Fluzone Standard Dose Inactivated Influenza Vaccine
Biological
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 7, 2025 · Synced Oct 13, 2026, 8:14 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

FLUAD® vs. Fluzone® High-Dose Study

NCT03183908
View directory record Official record
Conditions
Pain, Quality of Life, Injection Site Reaction, Side Effect of Drug, Adverse Drug Event
Interventions
FLUAD®, Fluzone® High-Dose
Biological
Lead sponsor
Duke University
Other
Eligibility
65 Years and older
Enrollment
757 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
4
States / cities
Atlanta, Georgia • Boston, Massachusetts • Durham, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 30, 2021 · Synced Oct 13, 2026, 8:14 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Influenza Vaccine Revaccination in Ambulatory Elderly Subjects

NCT00775450
View directory record Official record
Conditions
Influenza, Orthomyxovirus Infection, Myxovirus Infection
Interventions
Influenza Virus Vaccine USP Trivalent Types A and B
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
65 Years and older
Enrollment
807 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
28
States / cities
Hoover, Alabama • Mobile, Alabama • Chandler, Arizona + 24 more
Source: ClinicalTrials.gov public record
Updated Dec 31, 2013 · Synced Oct 13, 2026, 8:14 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety and Immunogenicity Study of Inactivated Nasal Influenza Vaccine NB-1008

NCT01333462
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 12, 2011 · Synced Oct 13, 2026, 8:14 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Phase 3 Pivotal Trial of NanoFlu™ in Older Adults

NCT04120194
View directory record Official record
Conditions
Influenza, Human
Interventions
NanoFlu, Fluzone Quadrivalent
Biological
Lead sponsor
Novavax
Industry
Eligibility
65 Years and older
Enrollment
2,654 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
19
States / cities
Hollywood, Florida • Savannah, Georgia • Stockbridge, Georgia + 16 more
Source: ClinicalTrials.gov public record
Updated May 6, 2023 · Synced Oct 13, 2026, 8:14 AM EDT
Recruiting Phase 2 Interventional

High vs.Standard Dose Influenza Vaccine in Pediatric Solid Organ Transplant (SOT) Recipients

NCT05947071
View directory record Official record
Conditions
Immunization; Infection, Transplantation Infection, Influenza
Interventions
Standard Dose Quadrivalent Inactivated Influenza Vaccine, High Dose Quadrivalent Inactivated Influenza Vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
3 Years to 17 Years
Enrollment
312 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
10
States / cities
Stanford, California • Atlanta, Georgia • Chicago, Illinois + 7 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 13, 2026, 8:14 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Phase 2 Study to Evaluate Immune Responses of FluMist®

NCT00461981
View directory record Official record
Conditions
Influenza Vaccine
Interventions
TIV, Trivalent Inactivated Influenza Virus Vaccine, FluMist, Influenza Virus Vaccine Live
Biological
Lead sponsor
MedImmune LLC
Industry
Eligibility
12 Months to 35 Months
Enrollment
101 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
19
States / cities
Jonesboro, Arkansas • Little Rock, Arkansas • Anaheim, California + 16 more
Source: ClinicalTrials.gov public record
Updated Oct 6, 2021 · Synced Oct 13, 2026, 8:14 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Safety and Immunogenicity of Quadrivalent Influenza mRNA Vaccine MRT5407 in Adult Participants18 Years of Age and Older

NCT05553301
View directory record Official record
Conditions
Influenza Immunization
Interventions
Quadrivalent Influenza mRNA Vaccine MRT5407, Quadrivalent Recombinant Influenza Vaccine, Quadrivalent Influenza Standard Dose Vaccine, Quadrivalent Influenza High-Dose Vaccine
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
18 Years and older
Enrollment
560 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
23
States / cities
Rolling Hills Estates, California • San Diego, California • DeLand, Florida + 16 more
Source: ClinicalTrials.gov public record
Updated Jan 24, 2025 · Synced Oct 13, 2026, 8:14 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Role of CD4+ Memory Phenotype, Memory, and Effector T Cells in Vaccination and Infection

NCT03453801
View directory record Official record
Conditions
Influenza, Healthy
Interventions
Fluzone®, FluMist®
Biological
Lead sponsor
Stanford University
Other
Eligibility
6 Months to 10 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Feb 13, 2020 · Synced Oct 13, 2026, 8:14 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Phase IV Trial to Determine the Safety and Immunogenicity of the WHO Formulation of the 2006-2007 Fluzone® Vaccine

NCT00389532
View directory record Official record
Conditions
Influenza
Interventions
Influenza Virus Vaccine (2006-2007 Fluzone® vaccine)
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
18 Years and older
Enrollment
116 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 14, 2016 · Synced Oct 13, 2026, 8:14 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Genetic and Environmental Factors in the Response to Influenza Vaccination

NCT03088904
View directory record Official record
Conditions
Influenza, Healthy
Interventions
FluMist® Quadrivalent, Fluzone® Quadrivalent vaccine
Biological
Lead sponsor
Stanford University
Other
Eligibility
12 Years to 49 Years
Enrollment
109 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Feb 13, 2020 · Synced Oct 13, 2026, 8:14 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety and Immune Response of Different Pediatric Combination Vaccines.

NCT00255047
View directory record Official record
Conditions
Diphtheria, Polio, Pertussis
Interventions
DAPTACEL®. (DTaP), IPOL®., and ActHIB®., Pentacel®: DTaP-IPV/Hib combined, DTaP-IPV and ActHIB®
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
42 Days to 89 Days
Enrollment
2,167 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2009
U.S. locations
36
States / cities
Tuscaloosa, Alabama • Fayetteville, Arkansas • Jonesboro, Arkansas + 29 more
Source: ClinicalTrials.gov public record
Updated Feb 14, 2014 · Synced Oct 13, 2026, 8:14 AM EDT
Active, not recruiting Phase 4 Interventional Accepts healthy volunteers

A Deep Longitudinal Analysis of Next Generation Influenza Vaccines in Older Adults

NCT05518500
View directory record Official record
Conditions
Aging, Influenza Vaccine, Dendritic Cell, Vaccine Response
Interventions
Flu Vaccine (Year 1), Flu Vaccine (Year 2), Flu Vaccine (Year 3), Flu Vaccine (Year 4)
Biological
Lead sponsor
The Jackson Laboratory
Other
Eligibility
65 Years and older
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 3, 2026 · Synced Oct 13, 2026, 8:14 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of the World Health Organization (WHO) Formulation of the 2004-2005 Fluzone® Vaccine

NCT00831987
View directory record Official record
Conditions
Influenza
Interventions
Fluzone®: Influenza virus vaccine 2004-2005 formulation
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2006
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 14, 2016 · Synced Oct 13, 2026, 8:14 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Study Comparing the Immune Response of Fluarix and Fluzone Influenza Vaccines

NCT00197288
View directory record Official record
Conditions
Influenza
Interventions
Influenza
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
1,847 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
15
States / cities
Clearwater, Florida • Evansville, Indiana • Baltimore, Maryland + 12 more
Source: ClinicalTrials.gov public record
Updated Jan 18, 2017 · Synced Oct 13, 2026, 8:14 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of Modified mRNA Vaccines in Healthy Adults

NCT05397223
View directory record Official record
Conditions
SARS-CoV-2, Seasonal Influenza, Respiratory Syncytial Virus, Cytomegalovirus
Interventions
mRNA-1273, mRNA-1010, mRNA-1345, FLUAD®, mRNA-1647
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
308 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
8
States / cities
Hollywood, Florida • Savannah, Georgia • Sioux City, Iowa + 4 more
Source: ClinicalTrials.gov public record
Updated Mar 12, 2026 · Synced Oct 13, 2026, 8:14 AM EDT