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ClinicalTrials.gov public records Last synced Oct 14, 2026, 7:08 AM EDT

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Showing 217–240 of 575 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Influenza Vaccine 2 Clear all
Terminated Phase 1 Interventional Accepts healthy volunteers

Evaluating the Safety and Immunogenicity of a Live Attenuated Virus Vaccine to Prevent Influenza H3N2v Disease

NCT02883426
View directory record Official record
Conditions
Influenza
Interventions
H3N2v MN 2010/AA ca live attenuated influenza vaccine (LAIV), H3N2v inactivated subvirion influenza vaccine, Placebo
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
6 Years to 26 Years
Enrollment
1 participant
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2016
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated May 3, 2018 · Synced Oct 14, 2026, 7:08 AM EDT
Withdrawn Phase 2 Interventional

Assessment of Efficacy of CR8020 and CR6261, Monoclonal Antibodies, Against Influenza Infection

NCT01992276
View directory record Official record
Conditions
Influenza
Interventions
CR8020, CR6261, Placebo
Biological
Lead sponsor
Crucell Holland BV
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
21
States / cities
Fresno, California • Stanford, California • Washington D.C., District of Columbia + 18 more
Source: ClinicalTrials.gov public record
Updated Mar 4, 2014 · Synced Oct 14, 2026, 7:08 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study Comparing the Immune Response and Safety of Fluarix and Fluzone Influenza Vaccines in Children

NCT00383123
View directory record Official record
Conditions
Influenza
Interventions
Fluarix™, Fluzone
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
6 Months to 17 Years
Enrollment
3,327 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
40
States / cities
Antioch, California • Fairfield, California • Fresno, California + 35 more
Source: ClinicalTrials.gov public record
Updated Jun 8, 2018 · Synced Oct 14, 2026, 7:08 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Evaluation of Human Immune Responses to Influenza Virus Vaccination in Healthy Volunteers

NCT02385123
View directory record Official record
Conditions
Influenza, Influenza Immunisation
Interventions
Influenza Virus Vaccine Inactivated
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 25, 2023 · Synced Oct 14, 2026, 7:08 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study of VGX-3400X, H5N1 Avian Influenza Virus DNA Plasmid + Electroporation in Healthy Adults

NCT01142362
View directory record Official record
Conditions
Healthy
Interventions
VGX-3400X
Biological
Lead sponsor
Inovio Pharmaceuticals
Industry
Eligibility
18 Years to 50 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
2
States / cities
Overland Park, Kansas • Rockville, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 13, 2017 · Synced Oct 14, 2026, 7:08 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Influenza Antiviral DAS181-F03

NCT01173224
View directory record Official record
Conditions
Influenza
Interventions
Placebo, DAS181
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 19, 2013 · Synced Oct 14, 2026, 7:08 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 14, 2026, 7:08 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

The Effects of Attenuated Versus Inactivated Flu Vaccine in Twin Sets

NCT03898986
View directory record Official record
Conditions
Influenza
Interventions
Live attenuated influenza vaccine (LAIV4), Inactivated Influenza Vaccine (IIV4)
Biological
Lead sponsor
Stanford University
Other
Eligibility
2 Years to 20 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Mar 6, 2025 · Synced Oct 14, 2026, 7:08 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Phase III Study to Assess the Lot-to-lot Consistency of GSK's Investigational RSV Maternal Vaccine and the Immune Response and Safety of RSV Maternal Vaccine When Given Alone or Co-administered With GSK's Influenza D-QIV Vaccine in Healthy Non-pregnant Women.

NCT05045144
View directory record Official record
Conditions
Respiratory Syncytial Virus Infections
Interventions
RSVPreF3(120 μg), Flu Quadrivalent influenza vaccine (15 μg HA), Placebo
Combination Product
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 49 Years · Female only
Enrollment
1,586 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
5
States / cities
West Palm Beach, Florida • Stockbridge, Georgia • Peoria, Illinois + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 5, 2023 · Synced Oct 14, 2026, 7:08 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study to Determine the Immunogenicity and Safety of GlaxoSmithKline (GSK) Biologicals; Infanrix Hexa at 2, 4 and 6 Months of Age in Healthy Infants

NCT02096263
View directory record Official record
Conditions
Poliomyelitis, Diphtheria, Haemophilus Influenzae Type b, Tetanus, Acellular Pertussis, Hepatitis B
Interventions
Infanrix hexa, Pediarix, ActHIB, Pentacel, Engerix-B, Infanrix, Hiberix, Prevnar13, Rotarix
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
6 Weeks to 12 Weeks
Enrollment
585 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
43
States / cities
Tucson, Arizona • Fayetteville, Arkansas • Anaheim, California + 38 more
Source: ClinicalTrials.gov public record
Updated Nov 27, 2019 · Synced Oct 14, 2026, 7:08 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study of Quadrivalent Influenza Vaccine Among Adults

NCT01218646
View directory record Official record
Conditions
Influenza
Interventions
Investigational Quadrivalent Inactivated Influenza Vaccine, No Preservative, Investigational Trivalent Inactivated Influenza Vaccine, No Preservative, Fluzone®: 2010-2011 Trivalent Inactivated Influenza Vaccine, No Preservative
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
18 Years and older
Enrollment
739 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
12
States / cities
Hoover, Alabama • South Miami, Florida • Springfield, Missouri + 9 more
Source: ClinicalTrials.gov public record
Updated Oct 23, 2013 · Synced Oct 14, 2026, 7:08 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

Safety & Pharmacokinetics Study of Inhaled Laninamivir Octanoate TwinCaps® Dry Powder Inhaler in Children With Influenza

NCT02014649
View directory record Official record
Conditions
Influenza
Interventions
20 mg laninamivir octanoate, Placebo, 40 mg laninamivir octanoate
Drug
Lead sponsor
Biota Scientific Management Pty Ltd
Industry
Eligibility
5 Years to 17 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
28
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Bellflower, California + 21 more
Source: ClinicalTrials.gov public record
Updated Jan 13, 2025 · Synced Oct 14, 2026, 7:08 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of H1N1 Vaccines in Children Aged 6 Months to Less Than 9 Years of Age

NCT00976820
View directory record Official record
Conditions
Influenza
Interventions
GSK2340274A, GSK2340273A
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
6 Months to 8 Years
Enrollment
323 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
17
States / cities
Conway, Arkansas • Little Rock, Arkansas • Sacramento, California + 14 more
Source: ClinicalTrials.gov public record
Updated Dec 12, 2017 · Synced Oct 14, 2026, 7:08 AM EDT
Completed Phase 3 Interventional Results available

Comparing the Efficacy and Safety of High-Titer Versus Low-Titer Anti-Influenza Immune Plasma for the Treatment of Severe Influenza A

NCT02572817
View directory record Official record
Conditions
Influenza A Virus Infection
Interventions
High-titer anti-influenza plasma, Low-titer anti-influenza plasma
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
2 Weeks and older
Enrollment
138 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
30
States / cities
Tucson, Arizona • Los Angeles, California • San Diego, California + 23 more
Source: ClinicalTrials.gov public record
Updated Jun 25, 2019 · Synced Oct 14, 2026, 7:08 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Study to Collect Sera for Immunogenicity Testing in Children Vaccinated With Fluzone®

NCT00836953
View directory record Official record
Conditions
Influenza
Interventions
Influenza virus vaccine (Pediatric formulation)
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
6 Months to 36 Months
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2004
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 14, 2016 · Synced Oct 14, 2026, 7:08 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Immunogenicity of High-dose Inactivated, Split-virion Influenza Vaccine Versus Standard Fluzone Vaccine in the Elderly

NCT00391053
View directory record Official record
Conditions
Orthomyxoviridae Infection, Influenza, Myxovirus Infection
Interventions
High-Dose Inactivated, Split-Virion Influenza Vaccine, Inactivated, Split-Virion Influenza Vaccine
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
65 Years and older
Enrollment
3,851 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
28
States / cities
Mesa, Arizona • Phoenix, Arizona • Tempe, Arizona + 25 more
Source: ClinicalTrials.gov public record
Updated Apr 14, 2016 · Synced Oct 14, 2026, 7:08 AM EDT
Completed Phase 3 Interventional Results available

Evaluating the Safety and Efficacy of Anti-Influenza Intravenous Hyperimmune Immunoglobulin (IVIG) in Adults Hospitalized With Influenza

NCT02287467
View directory record Official record
Conditions
Influenza A, Influenza B
Interventions
Intravenous hyperimmune immunoglobulin (IVIG), Placebo for IVIG
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
329 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
17
States / cities
San Diego, California • Denver, Colorado • Chicago, Illinois + 14 more
Source: ClinicalTrials.gov public record
Updated Nov 14, 2019 · Synced Oct 14, 2026, 7:08 AM EDT
Completed Phase 1 Interventional

Low Pathogenicity Avian H10N7 Influenza Virus in a Healthy Human Challenge Model

NCT05436444
View directory record Official record
Conditions
Influenza Infection
Interventions
A/Mallard/Ohio-99/MM4/1989 H10N7
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 11, 2025 · Synced Oct 14, 2026, 7:08 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Efficacy and Safety of CR6261 in an H1N1 Influenza Healthy Volunteer Human Challenge Model

NCT02371668
View directory record Official record
Conditions
H1N1 Influenza Healthy Volunteers
Interventions
CR6261, Placebo
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
104 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 17, 2020 · Synced Oct 14, 2026, 7:08 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Post-Partum Immunization With Live Attenuated Influenza Vaccine (LAIV) or Trivalent Influenza Vaccine (TIV) in Post-Partum Breast Feeding Women

NCT01181323
View directory record Official record
Conditions
Influenza
Interventions
Placebo, Cold-adapted live attenuated influenza virus vaccine, trivalent, Trivalent inactivated influenza vaccine
Other · Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years · Female only
Enrollment
240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
6
States / cities
Washington D.C., District of Columbia • Atlanta, Georgia • St Louis, Missouri + 3 more
Source: ClinicalTrials.gov public record
Updated Jan 28, 2015 · Synced Oct 14, 2026, 7:08 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

A Study to Investigate the Safety and Immunogenicity of the Quadrivalent Influenza mRNA Vaccines in Adults Aged 18 Years and Above

NCT06361875
View directory record Official record
Conditions
Influenza Immunization, Healthy Volunteers
Interventions
Quadrivalent Influenza mRNA Vaccine MRT5421, Quadrivalent Influenza mRNA Vaccine MRT5424, Quadrivalent Influenza mRNA Vaccine MRT5429, Quadrivalent Influenza Standard Dose Vaccine, Quadrivalent Influenza High-Dose Vaccine, Quadrivalent Recombinant Influenza Vaccine
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
18 Years and older
Enrollment
908 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
11
States / cities
San Diego, California • Hialeah, Florida • Hollywood, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Aug 4, 2026 · Synced Oct 14, 2026, 7:08 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Safety and Immunogenicity of GlaxoSmithKline Biologicals' Influenza Vaccine GSK3206641A Administered in Adults 18 to 64 Years of Age and 65 Years of Age and Older

NCT04789577
View directory record Official record
Conditions
Influenza, Human
Interventions
FLU-Q-PAN H7N9 Formulation 1, FLU-Q-PAN H7N9 Formulation 2, FLU-Q-PAN H7N9 Formulation 3, AS03B, AS03A, Placebo
Biological · Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
833 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
8
States / cities
Stockbridge, Georgia • Meridian, Idaho • Cary, North Carolina + 5 more
Source: ClinicalTrials.gov public record
Updated Oct 10, 2023 · Synced Oct 14, 2026, 7:08 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study on the Immune Response and Safety of the Shingles Vaccine and the Influenza Vaccine When Either is Given to Healthy Adults at the Same Time or Following a COVID-19 Booster Vaccine

NCT05047770
View directory record Official record
Conditions
Herpes Zoster
Interventions
HZ/su, Flu D-QIV, mRNA-1273
Biological · Combination Product
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
2,013 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
46
States / cities
Tempe, Arizona • Oxnard, California • San Diego, California + 40 more
Source: ClinicalTrials.gov public record
Updated Nov 13, 2023 · Synced Oct 14, 2026, 7:08 AM EDT
Terminated Phase 1 Interventional

Brain Stem Gliomas Treated With Adoptive Cellular Therapy During Focal Radiotherapy Recovery Alone or With Dose-intensified Temozolomide (Phase I)

NCT03396575
View directory record Official record
Conditions
Diffuse Intrinsic Pontine Glioma (DIPG), Brain Stem Glioma
Interventions
TTRNA-DC vaccines with GM-CSF, TTRNA-xALT, Cyclophosphamide + Fludarabine Lymphodepletive Conditioning, Dose-Intensified TMZ, Td vaccine, Autologous Hematopoietic Stem Cells (HSC)
Biological · Drug
Lead sponsor
University of Florida
Other
Eligibility
3 Years to 30 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Oct 29, 2025 · Synced Oct 14, 2026, 7:08 AM EDT