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ClinicalTrials.gov public records Last synced May 22, 2026, 5:47 AM EDT

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

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Flu Vaccination Clear all
Completed Phase 4 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Influenza Prophylaxis
Interventions
Stratis Jet Injector, Needle and Syringe, 2011-2012 Fluzone trivalent inactivated influenza vaccine
Device · Biological
Lead sponsor
PharmaJet, Inc.
Industry
Eligibility
18 Years to 59 Years
Enrollment
83 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 19, 2019 · Synced May 22, 2026, 5:47 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Influenza
Interventions
VRC-FLUNPF081-00-VP (HA-F A/Sing), VRC-FLUDNA082-00-VP (DNA A/Sing)
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 70 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 15, 2021 · Synced May 22, 2026, 5:47 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Influenza, Pandemic Influenza
Interventions
H5N1 Influenza Vaccine, Whole virion, Vero cell-derived, Inactivated Influenza Vaccine, non-adjuvanted (reverse genetic reassortant/H5N1 hemagglutinin antigen)
Biological
Lead sponsor
Alachua Government Services, Inc.
Industry
Eligibility
18 Years to 45 Years
Enrollment
422 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
6
States / cities
Wichita, Kansas • Lexington, Kentucky • Kansas City, Missouri + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 8, 2015 · Synced May 22, 2026, 5:47 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Influenza
Interventions
Inactivated H1N1 Vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 39 Years · Female only
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
6
States / cities
Baltimore, Maryland • St Louis, Missouri • Durham, North Carolina + 3 more
Source: ClinicalTrials.gov public record
Updated Aug 6, 2013 · Synced May 22, 2026, 5:47 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Influenza
Interventions
Fluzone® 2009-2010 Formula, FluMist® 2009-2010 Formula
Biological
Lead sponsor
Stanford University
Other
Eligibility
8 Years to 100 Years
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Jun 5, 2018 · Synced May 22, 2026, 5:47 AM EDT
Active, not recruiting Phase 4 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Influenza, Influenza-like Illness, Influenza Vaccines
Interventions
Egg based influenza vaccines, Recombinant influenza vaccines, Cell-culture based influenza vaccines
Biological
Lead sponsor
Henry M. Jackson Foundation for the Advancement of Military Medicine
Other
Eligibility
18 Years and older
Enrollment
15,448 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2026
U.S. locations
9
States / cities
San Diego, California • Annapolis, Maryland • Bethesda, Maryland + 5 more
Source: ClinicalTrials.gov public record
Updated Apr 1, 2026 · Synced May 22, 2026, 5:47 AM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Influenza
Interventions
Influenza vaccine
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
139 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2009
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 22, 2020 · Synced May 22, 2026, 5:47 AM EDT
Active, not recruiting Phase 4 Interventional Accepts healthy volunteers
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 Apr 30, 2026 · Synced May 22, 2026, 5:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available
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 Jun 30, 2020 · Synced May 22, 2026, 5:47 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
Influenza
Interventions
Influenza vaccine
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 22, 2020 · Synced May 22, 2026, 5:47 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available
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 39 Years · Female only
Enrollment
183 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
5
States / cities
St Louis, Missouri • Durham, North Carolina • Nashville, Tennessee + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 23, 2014 · Synced May 22, 2026, 5:47 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Influenza
Interventions
Adjuvanted Quadrivalent Subunit Influenza Virus Vaccine (aQIV), non-adjuvanted Quadrivalent Influenza Vaccine (QIV)
Biological
Lead sponsor
Seqirus
Industry
Eligibility
12 Months to 84 Months
Enrollment
607 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
19
States / cities
San Diego, California • San Gabriel, California • Colorado Springs, Colorado + 14 more
Source: ClinicalTrials.gov public record
Updated Mar 14, 2023 · Synced May 22, 2026, 5:47 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced May 22, 2026, 5:47 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Healthy, Influenza
Interventions
Lactobacillus rhamnosus GG ATCC 53103 (LGG), Placebo, Live attenuated influenza vaccine
Biological
Lead sponsor
Patricia L. Hibberd
Other
Eligibility
65 Years to 80 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 10, 2017 · Synced May 22, 2026, 5:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Smoking
Interventions
Broccoli sprout homogenate, Alfalfa sprout homogenate
Dietary Supplement
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 40 Years
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 28, 2014 · Synced May 22, 2026, 5:47 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Influenza Virus
Interventions
Adjuvanted Quadrivalent Subunit Influenza Virus Vaccine (aQIV), Non-adjuvanted Trivalent Influenza Vaccine (TIV) / Quadrivalent Influenza Vaccine (QIV)
Biological
Lead sponsor
Seqirus
Industry
Eligibility
6 Months to 71 Months
Enrollment
10,644 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
91
States / cities
Chandler, Arizona • Harrisburg, Arkansas • Anaheim, California + 70 more
Source: ClinicalTrials.gov public record
Updated Mar 26, 2023 · Synced May 22, 2026, 5:47 AM EDT
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Healthy Participants
Interventions
Fluzone HD influenza vaccine, CD388 Injection, Placebo
Biological · Combination Product
Lead sponsor
Cidara Therapeutics Inc., a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA)
Industry
Eligibility
18 Years to 49 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
2
States / cities
Glendale, California • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 23, 2026 · Synced May 22, 2026, 5:47 AM EDT
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Influenza, Human
Interventions
aQIV or aTIV, QIV or TIV
Biological
Lead sponsor
Seqirus
Industry
Eligibility
65 Years and older
Enrollment
35,800 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
111
States / cities
Birmingham, Alabama • Cullman, Alabama • Phoenix, Arizona + 95 more
Source: ClinicalTrials.gov public record
Updated Apr 23, 2026 · Synced May 22, 2026, 5:47 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Influenza
Interventions
Influsplit Tetra™ vaccine produced by investigational process (IP), Influsplit Tetra™ vaccine produced by licensed process (LP)
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
6 Months to 49 Years
Enrollment
1,886 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
4
States / cities
Wichita, Kansas • Rochester, New York • Warwick, Rhode Island + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 5, 2018 · Synced May 22, 2026, 5:47 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Flu Vaccine
Interventions
Fluzone-High Dose Quadrivalent, Fluad, Flublock
Biological
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
65 Years to 125 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 11, 2022 · Synced May 22, 2026, 5:47 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Influenza A Virus, H5N1 Subtype
Interventions
H5N1 vaccine plus AS03 adjuvant, H5N1 vaccine without adjuvant
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
21 Years to 45 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Decatur, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 11, 2019 · Synced May 22, 2026, 5:47 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available
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 May 22, 2026, 5:47 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Healthy Adults
Interventions
LectraJet, TIV by jet injection, Seasonal Trivalent Influenza Vaccine
Device · Biological
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 49 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
College Park, Maryland
Source: ClinicalTrials.gov public record
Updated May 2, 2021 · Synced May 22, 2026, 5:47 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available
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 May 22, 2026, 5:47 AM EDT