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ClinicalTrials.gov public records Last synced Oct 6, 2026, 10:39 AM EDT

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Showing 73–96 of 574 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Influenza Vaccine 2 Clear all
Completed Phase 4 Interventional Accepts healthy volunteers Results available

D2560C00015 FluMist Annual Safety Study 2018

NCT03564444
View directory record Official record
Conditions
Influenza, Healthy
Interventions
Bivalent 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
2018
U.S. locations
2
States / cities
Stockbridge, Georgia • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Dec 26, 2019 · Synced Oct 6, 2026, 10:39 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Surveillance Study to Assess the Safety of Flublok Quadrivalent (Influenza Vaccine) in Pregnant Women and Their Offspring

NCT04460781
View directory record Official record
Conditions
Influenza
Interventions
Flublok Quadrivalent influenza vaccine RIV4, Standard-dose quadrivalent inactivated influenza vaccine SD-IIV4
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
Up to 64 Years
Enrollment
96,175 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated May 24, 2022 · Synced Oct 6, 2026, 10:39 AM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Immunogenicity of Quadrivalent LAIV in Adults 18 to 49 Years of Age

NCT00860067
View directory record Official record
Conditions
Healthy or Stable Underlying Chronic Medical Condition
Interventions
Q/LAIV (MEDI3250), FluMist/B/Yamagata, FluMist/B/Victoria
Biological
Lead sponsor
MedImmune LLC
Industry
Eligibility
18 Years to 49 Years
Enrollment
1,800 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
18
States / cities
Sacramento, California • San Diego, California • San Francisco, California + 15 more
Source: ClinicalTrials.gov public record
Updated Dec 5, 2011 · Synced Oct 6, 2026, 10:39 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 6, 2026, 10:39 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Study of Fluzone® Quadrivalent, Fluzone® Intradermal, and Fluzone® High-Dose Influenza Virus Vaccines in Adults

NCT01946438
View directory record Official record
Conditions
Influenza
Interventions
Fluzone® Quadrivalent, Influenza Virus Vaccine (2013-2014 formulation),, Fluzone® Intradermal, Influenza Virus Vaccine (2013-2014 formulation),, Fluzone® High-Dose, Influenza Virus Vaccine (2013-2014 formulation)
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
18 Years and older
Enrollment
208 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
4
States / cities
Santa Rosa, California • Council Bluffs, Iowa • Metairie, Louisiana + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 25, 2014 · Synced Oct 6, 2026, 10:39 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

H1N1v Virus Challenge Study in Healthy Subjects

NCT04044352
View directory record Official record
Conditions
Influenza
Interventions
Influenza A/Bethesda/MM2/H1N1 Challenge
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
4
States / cities
Baltimore, Maryland • St Louis, Missouri • Durham, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 28, 2021 · Synced Oct 6, 2026, 10:39 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Kinetics of B-Cell Responses to Live, Attenuated Influenza Vaccine (LAIV) in Young Children Two Years of Age

NCT03020472
View directory record Official record
Conditions
Influenza
Interventions
2008-2009 FluMist LAIV (Intranasal)
Biological
Lead sponsor
Stanford University
Other
Eligibility
24 Months to 35 Months
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Oct 18, 2021 · Synced Oct 6, 2026, 10:39 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Immunogenicity & Safety of GSK's Avian Flu Vaccine 1557484A Given to Adults Aged 18-64 Years

NCT00771615
View directory record Official record
Conditions
Influenza
Interventions
GSK A/turkey H5N1 Influenza vaccine
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 64 Years
Enrollment
469 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
7
States / cities
Huntsville, Alabama • Anaheim, California • Miami, Florida + 4 more
Source: ClinicalTrials.gov public record
Updated Sep 21, 2018 · Synced Oct 6, 2026, 10:39 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Immunogenicity and Safety Study of an Inactivated Influenza Vaccine (Split Virus, Vero Cell Derived) in Adults Aged 50 Years and Older

NCT00782431
View directory record Official record
Conditions
Influenza
Interventions
Vero cell derived, trivalent, seasonal influenza vaccine, Licensed egg-derived, trivalent seasonal influenza vaccine
Biological
Lead sponsor
Alachua Government Services, Inc.
Industry
Eligibility
50 Years and older
Enrollment
3,208 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
30
States / cities
Mobile, Alabama • Tucson, Arizona • Sacramento, California + 25 more
Source: ClinicalTrials.gov public record
Updated Jan 2, 2026 · Synced Oct 6, 2026, 10:39 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

2013/2017 H7N9 Prime-Boost Interval

NCT03589807
View directory record Official record
Conditions
Avian Influenza, Influenza Immunisation
Interventions
A/H7N9, AS03, Influenza Virus Vaccine, Monovalent A/H7N9 A/Shanghai/2/2013, Phosphate Buffered Saline (PBS) diluent
Biological · Drug · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
19 Years to 50 Years
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
6
States / cities
Atlanta, Georgia • Decatur, Georgia • Iowa City, Iowa + 3 more
Source: ClinicalTrials.gov public record
Updated Aug 2, 2021 · Synced Oct 6, 2026, 10:39 AM EDT
Completed Phase 1 Interventional

Immune Responses to Autologous Langerhans-type Dendritic Cells Electroporated With mRNA Encoding a Tumor-associated Antigen in Patients With Malignancy: A Single-arm Phase I Trial in Melanoma

NCT01456104
View directory record Official record
Conditions
Melanoma
Interventions
Langerhans-type dendritic cells (a.k.a. Langerhans cells or LCs)
Biological
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
Not listed
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 13, 2023 · Synced Oct 6, 2026, 10:39 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

A Study to Learn About mRNA Vaccines Against Influenza in Adults

NCT07431853
View directory record Official record
Conditions
Healthy Adults
Interventions
Vaccine Candidate #1, Vaccine Candidate #2, Vaccine Candidate #3, Vaccine Candidate #4, Vaccine Candidate #5, Vaccine Candidate #6, TIV1 or TIV2
Biological
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
770 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
15
States / cities
Mobile, Alabama • Walnut Creek, California • Milford, Connecticut + 12 more
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Oct 6, 2026, 10:39 AM EDT
Completed Phase 2 Interventional

Ibrutinib as an Immune Modulating Agent for Patients With Asymptomatic, High-risk CLL/SLL Risk Chronic Lymphocytic Leukemia or Small Lymphocytic Lymphoma

NCT02518555
View directory record Official record
Conditions
Chronic Lymphocytic Leukemia, Small Lymphocytic Lymphoma
Interventions
Diphtheria Toxoid/Tetanus Toxoid/Acellular Pertussis Vaccine Adsorbed, Ibrutinib, Laboratory Biomarker Analysis, Pharmacological Study, Pneumococcal 13-valent Conjugate Vaccine, Quality-of-Life Assessment, Trivalent Influenza Vaccine
Biological · Drug · Other
Lead sponsor
Jennifer Woyach
Other
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Oct 6, 2026, 10:39 AM 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 10, 2017 · Synced Oct 6, 2026, 10:39 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

A Study of mRNA-1020 and mRNA-1030 Seasonal Influenza Vaccines in Healthy Adults

NCT05333289
View directory record Official record
Conditions
Seasonal Influenza
Interventions
mRNA-1030, mRNA-1020, mRNA-1010, Active Comparator
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
572 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
15
States / cities
Phoenix, Arizona • Coral Gables, Florida • Jupiter, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Feb 1, 2024 · Synced Oct 6, 2026, 10:39 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Safety, Tolerability, and Pharmacokinetics of SAB-176 in Healthy Participants

NCT04471038
View directory record Official record
Conditions
Influenza Type A, Influenza Type B, Influenza
Interventions
SAB-176, Normal Saline
Biological · Other
Lead sponsor
SAb Biotherapeutics, Inc.
Industry
Eligibility
18 Years to 60 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jan 6, 2025 · Synced Oct 6, 2026, 10:39 AM EDT
Active, not recruiting Phase 4 Interventional Accepts healthy volunteers

B Cell and Antibody Response to Seasonal Influenza Vaccines in Younger and Older Adults

NCT04101838
View directory record Official record
Conditions
Influenza
Interventions
Fluzone, Flucelvax, Fluzone High-Dose, Fluad
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 80 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Oct 6, 2026, 10:39 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Assessment of CR8020, a Monoclonal Antibody Against Influenza A Viruses

NCT01756950
View directory record Official record
Conditions
Influenza
Interventions
2 mg/kg CR8020, 5 mg/kg CR8020, 15 mg/kg CR8020, 30 mg/kg CR8020, 50 mg/kg CR8020, Placebo
Biological
Lead sponsor
Crucell Holland BV
Industry
Eligibility
18 Years to 50 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Dec 19, 2013 · Synced Oct 6, 2026, 10:39 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Comparative Immunogenicity of Concomitant vs Sequential mRNA COVID-19 and Influenza Vaccinations

NCT06020118
View directory record Official record
Conditions
Influenza, COVID-19
Interventions
Simultaneous Vaccination (Influenza Vaccine and mRNA COVID booster), Sequential Vaccination (Influenza vaccine then mRNA COVID booster), Sequential Vaccination (mRNA COVID booster then Influenza vaccine)
Biological
Lead sponsor
Duke University
Other
Eligibility
6 Years to 64 Years
Enrollment
455 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
8
States / cities
Phoenix, Arizona • Tempe, Arizona • Atlanta, Georgia + 4 more
Source: ClinicalTrials.gov public record
Updated Jun 13, 2025 · Synced Oct 6, 2026, 10:39 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Safety Study of Recombinant M2e Influenza-A Vaccine in Healthy Adults

NCT00819013
View directory record Official record
Conditions
Influenza
Interventions
Influenza A Vaccine: ACAM FLU-A, Saline placebo
Biological
Lead sponsor
Sanofi
Industry
Eligibility
18 Years to 40 Years
Enrollment
87 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
3
States / cities
Miami, Florida • Lenexa, Kansas • Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Jan 19, 2012 · Synced Oct 6, 2026, 10:39 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety Study of Anti-Influenza Virus Monoclonal Antibody to Treat Influenza

NCT01390025
View directory record Official record
Conditions
Influenza, Human
Interventions
TCN-032, Placebo
Biological
Lead sponsor
Theraclone Sciences, Inc.
Industry
Eligibility
18 Years to 45 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 2, 2012 · Synced Oct 6, 2026, 10:39 AM EDT
Withdrawn Phase 4 Interventional Accepts healthy volunteers

Effect of Age and Prior Immunity on Response to H1N1 Vaccines in Children

NCT01097941
View directory record Official record
Conditions
2009 H1N1 Influenza
Interventions
Live Attenuated H1N1 Influenza Vaccine, Influenza A (H1N1) 2009 Monovalent Vaccine, Influenza A (H1N1) 2009 Monovalent Vaccine/ Influenza A (H1N1) Monovalent Vaccine Live
Biological
Lead sponsor
University of Rochester
Other
Eligibility
4 Years to 9 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Sep 24, 2015 · Synced Oct 6, 2026, 10:39 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of VIS410 to Assess Safety and Pharmacokinetics

NCT02045472
View directory record Official record
Conditions
Influenza
Interventions
VIS410, Placebo
Drug
Lead sponsor
Visterra, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated May 14, 2015 · Synced Oct 6, 2026, 10:39 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Study of Different Formulations of an A/H1N1 Pandemic Vaccine in Healthy Children Aged 6 Months to 9 Years

NCT00952419
View directory record Official record
Conditions
Influenza, Swine-origin A/H1N1 Influenza
Interventions
Monovalent Subvirion A/H1N1 Influenza vaccine, Normal saline solution (placebo)
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
6 Months to 9 Years
Enrollment
474 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
20
States / cities
Miami Beach, Florida • Marietta, Georgia • Woodstock, Georgia + 16 more
Source: ClinicalTrials.gov public record
Updated Apr 14, 2016 · Synced Oct 6, 2026, 10:39 AM EDT