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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Flu Vaccination Clear all
Completed Not applicable Interventional Accepts healthy volunteers

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

NCT03950986
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 9, 2020 · Synced Sep 22, 2026, 6:09 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Durability and Impact of the Seasonal Influenza Vaccine on H5 Induced B Cell Response

NCT03701061
View directory record Official record
Conditions
Influenza A Subtype H5N1 Infection
Interventions
Seasonal Influenza Vaccine
Biological
Lead sponsor
Emory University
Other
Eligibility
Not listed
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Decatur, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 10, 2020 · Synced Sep 22, 2026, 6:09 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Beta-glucan and Immune Response to Influenza Vaccine

NCT05074303
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 5, 2025 · Synced Sep 22, 2026, 6:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Influenza Vaccination in the Emergency Department

NCT00822627
View directory record Official record
Conditions
Influenza
Interventions
Influenza Vaccination, Education and referral
Drug · Behavioral
Lead sponsor
University of Arizona
Other
Eligibility
6 Months and older
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Jan 13, 2009 · Synced Sep 22, 2026, 6:09 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Immune Responses to the Flu Shot During Pregnancy

NCT02148874
View directory record Official record
Conditions
Pregnancy
Interventions
influenza virus vaccination
Biological
Lead sponsor
Lisa Christian
Other
Eligibility
18 Years to 42 Years · Female only
Enrollment
287 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2019
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 23, 2019 · Synced Sep 22, 2026, 6:09 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Study to Evaluate the Safety of 3 New 6:2 Influenza Virus Reassortants in Adults

NCT01859143
View directory record Official record
Conditions
Influenza, Healthy
Interventions
Trivalent Influenza Vaccine, Placebo
Biological · Other
Lead sponsor
MedImmune LLC
Industry
Eligibility
18 Years to 49 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
3
States / cities
Miami, Florida • Stockbridge, Georgia • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 9, 2014 · Synced Sep 22, 2026, 6:09 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

A Safety, Reactogenicity, and Immunogenicity Study of mRNA-1073 (COVID-19/Influenza) Vaccine in Adults 18 to 75 Years Old

NCT05375838
View directory record Official record
Conditions
SARS-CoV-2, Influenza
Interventions
mRNA-1073, mRNA-1010, mRNA-1273, Placebo
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
550 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
14
States / cities
Hollywood, Florida • Peoria, Illinois • Sioux City, Iowa + 9 more
Source: ClinicalTrials.gov public record
Updated Feb 27, 2024 · Synced Sep 22, 2026, 6:09 PM 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 1, 2019 · Synced Sep 22, 2026, 6:09 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study of mRNA-1010 Seasonal Influenza Vaccine in Adults

NCT05827978
View directory record Official record
Conditions
Seasonal Influenza
Interventions
mRNA-1010, Licensed Quadrivalent Inactivated Seasonal Influenza Vaccine
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
18 Years and older
Enrollment
8,411 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
103
States / cities
Anniston, Alabama • Athens, Alabama • Cullman, Alabama + 85 more
Source: ClinicalTrials.gov public record
Updated Jul 9, 2025 · Synced Sep 22, 2026, 6:09 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity Among Healthy Children Receiving Fluzone® Quadrivalent, Influenza Vaccine

NCT02222870
View directory record Official record
Conditions
Influenza
Interventions
Fluzone® Quadrivalent Influenza 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
2014 – 2015
U.S. locations
2
States / cities
Bardstown, Kentucky • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Oct 18, 2015 · Synced Sep 22, 2026, 6:09 PM EDT
Terminated Phase 2 Interventional Results available

Lenalidomide as Immune Adjuvant in Patient's With Chronic Lymphocytic Leukemia (CLL)

NCT01924169
View directory record Official record
Conditions
Hematologic Disorder
Interventions
Lenalidomide, Influenza Vaccine, Pneumovax Vaccine
Drug · Biological
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 19, 2018 · Synced Sep 22, 2026, 6:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Home Administration of FluMist by Parents/Caregivers

NCT01938170
View directory record Official record
Conditions
Influenza
Interventions
FluMist
Biological
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
2 Years to 17 Years
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated May 25, 2016 · Synced Sep 22, 2026, 6:09 PM 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 23, 2014 · Synced Sep 22, 2026, 6:09 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of DNA Vaccine With Electroporation for the Prevention of Disease Caused by H1 and H5 Influenza Virus

NCT01405885
View directory record Official record
Conditions
Healthy
Interventions
INO-3605, INO-3609, INO-3401, INO-3605 AND INO-3609, INO-3510, Seasonal Influenza vaccine
Biological
Lead sponsor
Inovio Pharmaceuticals
Industry
Eligibility
18 Years to 55 Years
Enrollment
116 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
3
States / cities
Miami, Florida • Overland Park, Kansas • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 2, 2014 · Synced Sep 22, 2026, 6:09 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Immunogenicity and Safety of Pandemic Influenza Vaccines in Adults Aged 18 - 49 Years Old

NCT01236040
View directory record Official record
Conditions
Influenza
Interventions
GSK Biologicals' investigational vaccine GSK2590066A, GSK Biologicals' investigational vaccine GSK2592984A, GSK Biologicals' investigational vaccine GSK2340274A, GSK Biologicals' investigational vaccine GSK2340273A, Placebo
Biological · Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 49 Years
Enrollment
521 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
4
States / cities
Anaheim, California • Stockbridge, Georgia • Lenexa, Kansas + 1 more
Source: ClinicalTrials.gov public record
Updated May 9, 2017 · Synced Sep 22, 2026, 6:09 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety, Tolerability and Immunogenicity of a Plant-Made H1 VLP Influenza Vaccine in Adults

NCT01302990
View directory record Official record
Conditions
Flu
Interventions
Dose given at Day 0
Biological
Lead sponsor
Medicago
Industry
Eligibility
18 Years to 49 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Rockville, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 15, 2013 · Synced Sep 22, 2026, 6:09 PM EDT
Completed Not applicable Interventional Results available

PregText: Feasibility of Monitoring Influenza Vaccine Safety in Pregnant Women Using Text Messaging

NCT01974050
View directory record Official record
Conditions
Pregnancy
Interventions
Text message surveillance
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older · Female only
Enrollment
166 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 11, 2018 · Synced Sep 22, 2026, 6:09 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

Safety and Immunogenicity of Inactivated Influenza Virus Vaccine Among Healthy Children 6-12 Weeks of Age

NCT00242424
View directory record Official record
Conditions
Inactivated Influenza Vaccine
Interventions
2005-2006 trivalent inactivated influenza vaccine
Biological
Lead sponsor
Seattle Children's Hospital
Other
Eligibility
42 Days to 84 Days
Enrollment
1,375 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 27, 2009 · Synced Sep 22, 2026, 6:09 PM EDT
Terminated Not applicable Interventional Results available

Patient Portal Flu Vaccine Reminders_RCT 4

NCT05052190
View directory record Official record
Conditions
Influenza, Respiratory Tract Infections
Interventions
Text Message R/R with Direct Appointment Schedule Link, Text Message R/R without Direct Appointment Schedule Link, Text Pre-Appointment Reminder, Portal Message R/R with Direct Appointment Schedule Link, Portal Message R/R without Direct Appointment Schedule Link, Portal Pre-Appointment Reminder
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
6 Months and older
Enrollment
239,567 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 10, 2025 · Synced Sep 22, 2026, 6:09 PM EDT
Completed Phase 1 Interventional Results available

Standard Versus High-Dose Trivalent Inactivated Flu Vaccine in Pediatric Acute Lymphoblastic Leukemia Patients

NCT01216332
View directory record Official record
Conditions
Pediatric Patients With Acute Lymphoblastic Leukemia
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
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 2, 2019 · Synced Sep 22, 2026, 6:09 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study of Intradermal Quadrivalent Influenza Vaccine in Adults Aged 18 Through 64 Years

NCT01712984
View directory record Official record
Conditions
Influenza
Interventions
Influenza Virus Vaccine USP Quadrivalent, (Zonal Purified Subvirion) 2012 2013 Formulation, Influenza Virus Vaccine USP Trivalent Types A and B (Zonal Purified Subvirion) Fluzone Intradermal
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
18 Years to 64 Years
Enrollment
3,360 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
38
States / cities
Hoover, Alabama • Huntsville, Alabama • Chandler, Arizona + 32 more
Source: ClinicalTrials.gov public record
Updated May 6, 2015 · Synced Sep 22, 2026, 6:09 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Demonstrate the Superiority of the Immune Response of Adjuvanted Influenza Vaccine Induced in an Adult Population

NCT00377585
View directory record Official record
Conditions
Influenza
Interventions
Fluarix, adjuvanted influenza vaccine
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
3,350 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
10
States / cities
Clearwater, Florida • Coral Gables, Florida • Milford, Massachusetts + 7 more
Source: ClinicalTrials.gov public record
Updated Apr 23, 2017 · Synced Sep 22, 2026, 6:09 PM 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 13, 2016 · Synced Sep 22, 2026, 6:09 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Cholecalciferol and Flu Vaccine in Treating Healthy Participants

NCT01561989
View directory record Official record
Conditions
Healthy, no Evidence of Disease
Interventions
cholecalciferol, questionnaire administration, trivalent influenza vaccine
Dietary Supplement · Other · Biological
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years to 64 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Mar 9, 2020 · Synced Sep 22, 2026, 6:09 PM EDT