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ClinicalTrials.gov public records Last synced Oct 2, 2026, 8:08 AM EDT

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Showing 49–72 of 574 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Influenza Vaccine 2 Clear all
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Reactogenicity, Safety and Immunogenicity of GlaxoSmithKline (GSK) Biologicals' Investigational Supra-seasonal Universal Influenza Vaccines - Inactivated (SUIVs) (GSK3816302A) in Healthy Adults Aged 18 to 39 Years

NCT03275389
View directory record Official record
Conditions
Influenza, Human
Interventions
D-SUIV cH8/1N1+AS03, D-SUIV cH5/1N1+AS03, D-SUIV cH11/1N1+AS03, D-SUIV cH8/1N1+AS01, D-SUIV cH5/1N1+AS01, D-SUIV cH11/1N1+AS01, D-SUIV cH8/1N1, D-SUIV cH5/1N1, D-SUIV cH11/1N1, Placebo, Fluarix Quadrivalent
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 39 Years
Enrollment
470 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
5
States / cities
South Miami, Florida • Wichita, Kansas • Rochester, New York + 2 more
Source: ClinicalTrials.gov public record
Updated May 7, 2021 · Synced Oct 2, 2026, 8:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Vaccination Education Through Pharmacists and Senior Centers (VEPSC)

NCT03239665
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 Jul 1, 2020 · Synced Oct 2, 2026, 8:08 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 2, 2026, 8:08 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Immunogenicity and Safety of Seqirus Quadrivalent Influenza Vaccine (QIV) in a Pediatric Population 5 Through 17 Years of Age

NCT02545543
View directory record Official record
Conditions
Influenza, Human
Interventions
Seqirus QIV, Comparator QIV
Biological
Lead sponsor
Seqirus
Industry
Eligibility
5 Years to 17 Years
Enrollment
2,278 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
32
States / cities
Huntsville, Alabama • Madera, California • Ontario, California + 29 more
Source: ClinicalTrials.gov public record
Updated May 23, 2018 · Synced Oct 2, 2026, 8:08 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Safety and Immunogenicity of Quadrivalent Influenza mRNA Vaccine MRT5410 in Adult Participants 18 Years of Age and Older

NCT05624606
View directory record Official record
Conditions
Influenza Immunization
Interventions
Quadrivalent Influenza mRNA Vaccine MRT5410, Quadrivalent Recombinant Influenza vaccine RIV4, Quadrivalent Inactivated Influenza Standard Dose QIV-SD, Quadrivalent Inactivated Influenza High Dose QIV-HD
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
18 Years and older
Enrollment
682 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
23
States / cities
Huntington Park, California • Long Beach, California • North Hollywood, California + 19 more
Source: ClinicalTrials.gov public record
Updated Mar 18, 2025 · Synced Oct 2, 2026, 8:08 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

pH1N1 Blinded Challenge Study

NCT07110532
View directory record Official record
Conditions
Influenza
Interventions
A/Arkansas/08/2020 (pH1N1), Sham/Diluent (1X SPG+Arg+Gel)
Biological · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 55 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
2
States / cities
Baltimore, Maryland • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 25, 2026 · Synced Oct 2, 2026, 8:08 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 2, 2026, 8:08 AM EDT
Terminated Phase 3 Interventional Results available

A Study to Evaluate the Efficacy and Safety of Pimodivir in Combination With the Standard-of-Care Treatment in Adolescent, Adult, and Elderly Hospitalized Participants With Influenza A Infection

NCT03376321
View directory record Official record
Conditions
Influenza A
Interventions
Pimodivir 600 mg, Placebo, SOC Treatment
Drug · Other
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
13 Years to 85 Years
Enrollment
334 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
28
States / cities
Birmingham, Alabama • Jonesboro, Arkansas • Fresno, California + 23 more
Source: ClinicalTrials.gov public record
Updated Feb 4, 2025 · Synced Oct 2, 2026, 8:08 AM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers Results available

Study on a High-Dose Quadrivalent Influenza Vaccine Compared With Standard-Dose Quadrivalent Influenza Vaccine in Children 6 Months Through 35 Months of Age

NCT04544267
View directory record Official record
Conditions
Influenza
Interventions
Quadrivalent influenza vaccine, high-dose, Quadrivalent influenza vaccine, standard dose
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
6 Months to 35 Months
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
10
States / cities
San Diego, California • Miami, Florida • Atlanta, Georgia + 6 more
Source: ClinicalTrials.gov public record
Updated Dec 24, 2025 · Synced Oct 2, 2026, 8:08 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of the 2015-2016 Formulation of Fluzone® Quadrivalent (Influenza Vaccine) Among Healthy Children

NCT02539108
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
2015 – 2016
U.S. locations
2
States / cities
Bardstown, Kentucky • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Nov 29, 2016 · Synced Oct 2, 2026, 8:08 AM EDT
Terminated Phase 2 Interventional Results available

Bronchitis and Emphysema Advice and Training to Reduce Hospitalization

NCT00395083
View directory record Official record
Conditions
COPD, Emphysema
Interventions
COPD Self-management Education
Behavioral
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
40 Years and older
Enrollment
426 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
22
States / cities
Phoenix, Arizona • Tucson, Arizona • Loma Linda, California + 19 more
Source: ClinicalTrials.gov public record
Updated Sep 15, 2014 · Synced Oct 2, 2026, 8:08 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Learn How Safe, Tolerable and Capable of Producing an Immune Response is, a Modified RNA Vaccine Against Pandemic Influenza

NCT06179446
View directory record Official record
Conditions
Grippe, Influenza, Vaccines
Interventions
pdmFlu vaccine, Placebo, Licensed influenza vaccine
Biological
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 84 Years
Enrollment
157 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
3
States / cities
New Haven, Connecticut • Hollywood, Florida • New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 23, 2026 · Synced Oct 2, 2026, 8:08 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety, Reactogenicity and Immunogenicity of Flublok Quadrivalent (Recombinant Influenza Vaccine,Seasonal Formulation)

NCT01959945
View directory record Official record
Conditions
Influenza
Interventions
Flublok® Quadrivalent Influenza Virus Vaccine, Fluarix Quadrivalent® Influenza Virus Vaccine
Biological
Lead sponsor
Protein Sciences Corporation
Industry
Eligibility
6 Years to 17 Years
Enrollment
219 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Auburn, Maine
Source: ClinicalTrials.gov public record
Updated Sep 23, 2016 · Synced Oct 2, 2026, 8:08 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Dose Ranging Study to Evaluate Immunogenicity and Safety of Adjuvanted or Non-adjuvanted Cell Culture-derived H5N1 Influenza Vaccine in Young Adults (18-40 Years Old)

NCT00812019
View directory record Official record
Conditions
Influenza
Interventions
Cell Culture-Derived H5N1 Subunit Influenza Vaccine, 3.75_0%MF59, Cell Culture-Derived H5N1 Subunit Influenza Vaccine, 3.75_25%MF59, Cell Culture-Derived H5N1 Subunit Influenza Vaccine, 3.75_50%MF59, Cell Culture-Derived H5N1 Subunit Influenza Vaccine, 3.75_100%MF59, Cell Culture-Derived H5N1 Subunit Influenza Vaccine, 7.5_0%MF59, Cell Culture-Derived H5N1 Subunit Influenza Vaccine, 7.5_25%MF59, Cell Culture-Derived H5N1 Subunit Influenza Vaccine, 7.5_50%MF59, Cell Culture-Derived H5N1 Subunit Influenza Vaccine, 7.5_100%MF59, Cell Culture-Derived H5N1 Subunit Influenza Vaccine, 15_0%MF59, Cell Culture-Derived H5N1 Subunit Influenza Vaccine, 15_25%MF59, Cell Culture-Derived H5N1 Subunit Influenza Vaccine, 15_50%MF59, Cell Culture-Derived H5N1 Subunit Influenza Vaccine, 15_100%MF59
Biological
Lead sponsor
Seqirus
Industry
Eligibility
18 Years to 40 Years
Enrollment
753 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 24, 2020 · Synced Oct 2, 2026, 8:08 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 2, 2026, 8:08 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Immunogenicity, Safety, and Tolerability of a Plant-Derived Quadrivalent VLP Influenza Vaccine in Elderly Adults

NCT02831751
View directory record Official record
Conditions
Virus Diseases, RNA Virus Infections, Respiratory Tract Diseases, Respiratory Tract Infections
Interventions
30 µg/strain of Quadrivalent VLP Vaccine, 60 µg/strain of Quadrivalent VLP Vaccine, FluLaval® Tetra (15 µg/strain), Fluzone® High-Dose (60 µg/strain)
Biological
Lead sponsor
Medicago
Industry
Eligibility
65 Years and older
Enrollment
1,001 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
6
States / cities
Redding, California • Hollywood, Florida • South Miami, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 25, 2019 · Synced Oct 2, 2026, 8:08 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Post-Marketing Safety Study of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) mRNA-1273 COVID-19 Vaccine in the United States

NCT04958954
View directory record Official record
Conditions
SARS-CoV-2
Interventions
Not listed
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
Not listed
Enrollment
50,000,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 17, 2023 · Synced Oct 2, 2026, 8:08 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Two Doses of Multimeric-001 (M-001) Followed by Influenza Vaccine

NCT03058692
View directory record Official record
Conditions
Influenza, Influenza Immunisation
Interventions
Influenza Multimeric-001 Vaccine, Placebo, Quadrivalent Recombinant Seasonal Influenza Vaccine
Biological · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
3
States / cities
Iowa City, Iowa • Cincinnati, Ohio • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 18, 2020 · Synced Oct 2, 2026, 8:08 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 2, 2026, 8:08 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers Results available

Assess the Safety and Immunogenicity of One or Two Doses of Sing2016 M2SR H3N2 Influenza Vaccine

NCT04960397
View directory record Official record
Conditions
H3N2 Influenza
Interventions
Placebo, Sing2016 M2SR H3N2
Other · Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
6 Months to 17 Years
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
4
States / cities
Iowa City, Iowa • Baltimore, Maryland • Durham, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 3, 2025 · Synced Oct 2, 2026, 8:08 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of Two Trivalent Subunit Influenza Vaccines in Healthy Adult Subjects

NCT02256488
View directory record Official record
Conditions
Prophylaxis: Influenza
Interventions
TIVc_LOT A, TIVc_LOT B, TIVc_LOT C, TIVf
Biological
Lead sponsor
Novartis Vaccines
Industry
Eligibility
18 Years to 49 Years
Enrollment
1,561 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
24
States / cities
Anaheim, California • Redding, California • San Diego, California + 19 more
Source: ClinicalTrials.gov public record
Updated Jun 11, 2019 · Synced Oct 2, 2026, 8:08 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Assess the Safety & Immunogenicity of Prime-Boost Vaccination Strategies Using H5Nx Virus Vaccine Adjuvanted With AS03 or MF59

NCT03497845
View directory record Official record
Conditions
Influenza A Virus, H5N1 Subtype
Interventions
VN, IN, dk/BANG, gf/WA, bhg/QL, AS03 adjuvant, MF59 adjuvant
Biological
Lead sponsor
Biomedical Advanced Research and Development Authority
Federal
Eligibility
18 Years to 49 Years
Enrollment
720 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
6
States / cities
San Diego, California • Peoria, Illinois • Lenexa, Kansas + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 14, 2020 · Synced Oct 2, 2026, 8:08 AM EDT
Completed Phase 1 Interventional

An Open-Label, Randomized Phase I Study in Healthy Adults of the Safety and Immunogenicity of Prime-Boost Intervals With Monovalent Influenza Subunit Virion (H5N1) Vaccine, A/Indonesia/05/2005 (Sanofi Pasteur, Inc.) Administered Alone or Following Re...

NCT01086657
View directory record Official record
Conditions
Influenza A Virus, H5N1 Subtype
Interventions
VRC-AVIDNA036-00-VP, Monovalent Influenza Subunit Virion (Inactive H5N1) Vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 60 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 2, 2026, 8:08 AM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Development of Immune Globulin Treatment for Avian Flu

NCT00383071
View directory record Official record
Conditions
Infectious Diseases, Influenza, Avian Flu
Interventions
H5N1 vaccine, Apheresis
Biological · Procedure
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 59 Years
Enrollment
126 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2014
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 31, 2018 · Synced Oct 2, 2026, 8:08 AM EDT