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ClinicalTrials.gov public records Last synced Oct 11, 2026, 9:39 PM EDT

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Showing 49–61 of 61 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Quadrivalent seasonal influenza vaccine Clear all
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Study to Evaluate Immunogenicity and Safety of GlaxoSmithKline (GSK) Biologicals' Quadrivalent Influenza Vaccine GSK2282512A When Administered to Children From 6 to 35 Months of Age

NCT01974895
View directory record Official record
Conditions
Influenza
Interventions
FluLaval® Quadrivalent, Fluzone®
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
6 Months to 35 Months
Enrollment
316 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
12
States / cities
Sacramento, California • West Covina, California • Altamonte Springs, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated Sep 7, 2018 · Synced Oct 11, 2026, 9:39 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Study to Find the Dose and Assess the Immune Response and Safety of a Vaccine Against Influenza in Healthy Younger and Older Adults

NCT06431607
View directory record Official record
Conditions
Influenza, Human
Interventions
F2G22B/DL001Z, F2H23D/DL001Z-NH, F2H23B/DL001Z-NH, F2H23H/DL001Z, FDQ23A-NH (Flu D-QIV), GSK5800544A, Flu D-TIV, F2H23A/DL001Z-NH, F2H23G/DL001Z, Fluzone HD Quadrivalent, Fluzone HD
Biological · Combination Product
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 85 Years
Enrollment
845 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
18
States / cities
Hialeah, Florida • Miami, Florida • Chicago, Illinois + 14 more
Source: ClinicalTrials.gov public record
Updated Mar 10, 2026 · Synced Oct 11, 2026, 9:39 PM EDT
Completed Phase 3 Interventional Results available

Study to Assess the Effect of Tezepelumab on the Immune Response to Influenza Vaccination in Participants With Asthma

NCT05062759
View directory record Official record
Conditions
Moderate to Severe Asthma
Interventions
Tezepelumab, Placebo
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
12 Years to 21 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
15
States / cities
Bakersfield, California • Huntington Beach, California • Miami, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Jun 22, 2023 · Synced Oct 11, 2026, 9:39 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

A Study of mRNA-based Influenza and SARS-CoV-2 (COVID-19) Multi-component Vaccines in Healthy Adults

NCT05827926
View directory record Official record
Conditions
SARS-CoV-2, Influenza
Interventions
Influenza Vaccine 1, mRNA-1083.1, mRNA-1083.2, mRNA-1083.3, Investigational Influenza Vaccine 1, Investigational COVID-19 Vaccine 1, COVID-19 Vaccine 1, Investigational Influenza Vaccine 2, Influenza Vaccine 2, mRNA-1083, Investigational COVID-19 Vaccine 2, COVID-19 Vaccine 2
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
18 Years to 79 Years
Enrollment
1,758 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
69
States / cities
Chandler, Arizona • Colton, California • Huntington Beach, California + 59 more
Source: ClinicalTrials.gov public record
Updated Dec 23, 2025 · Synced Oct 11, 2026, 9:39 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

A Study to Evaluate the Safety, Reactogenicity, and Immunogenicity of mRNA-1010 in Healthy Adults

NCT05606965
View directory record Official record
Conditions
Influenza
Interventions
mRNA-1010, Egg-based Quadrivalent Influenza Vaccine, Adjuvanted Quadrivalent Influenza Vaccine, Inactivated Influenza Vaccine, mRNA-1345, mRNA-1045
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
18 Years to 80 Years
Enrollment
172 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Nov 24, 2025 · Synced Oct 11, 2026, 9:39 PM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Adaptive Immune Responses and Repertoire in Influenza Vaccination and Infection (SLVP031)

NCT03028987
View directory record Official record
Conditions
Influenza
Interventions
Fluzone®, FluMist®
Biological
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 49 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Sep 12, 2017 · Synced Oct 11, 2026, 9:39 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Adjuvanted Seasonal Recombinant Quadrivalent Virus-Like Particles (QVLP) Influenza Vaccine in Adults 65 Years of Age and Older

NCT04622592
View directory record Official record
Conditions
Influenza
Interventions
Instramuscular vaccine
Biological
Lead sponsor
Medicago
Industry
Eligibility
65 Years and older
Enrollment
209 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
14
States / cities
Huntsville, Alabama • Chandler, Arizona • San Diego, California + 11 more
Source: ClinicalTrials.gov public record
Updated Jul 21, 2023 · Synced Oct 11, 2026, 9:39 PM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

Seasonal Influenza Vaccine, Quadrivalent Versus Trivalent in Patients With Advanced Chronic Obstructive Pulmonary Disease

NCT02563184
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Fluzone
Biological
Lead sponsor
Banner Health
Other
Eligibility
50 Years to 64 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Sep 30, 2015 · Synced Oct 11, 2026, 9:39 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Co-Administration of AS03 Adjuvanted A/H7N9 IIV With IIV4

NCT03318315
View directory record Official record
Conditions
Avian Influenza, Influenza, Influenza Immunisation
Interventions
AS03, Inactivated influenza H7N9 vaccine, Influenza Virus Quadrivalent Inactivated Vaccine, Phosphate Buffered Saline (PBS) diluent
Drug · Biological · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
19 Years to 64 Years
Enrollment
149 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
4
States / cities
Birmingham, Alabama • Baltimore, Maryland • Cincinnati, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 6, 2020 · Synced Oct 11, 2026, 9:39 PM EDT
Not listed Phase 1 Interventional Accepts healthy volunteers

The Safety, Tolerance, and Immunogenicity of MAS-1-Adjuvanted Seasonal Inactivated Influenza Vaccine (MER4101)

NCT02500680
View directory record Official record
Conditions
Influenza, Human
Interventions
MER4101, Inactivated Influenza Vaccine
Biological
Lead sponsor
Nova Immunotherapeutics Limited
Industry
Eligibility
18 Years and older
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 6, 2019 · Synced Oct 11, 2026, 9:39 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study of mRNA-1010 Seasonal Influenza Vaccine in Adults 50 Years Old and Older

NCT05566639
View directory record Official record
Conditions
Seasonal Influenza
Interventions
mRNA-1010, Fluarix Quadrivalent
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
50 Years and older
Enrollment
22,502 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
134
States / cities
Athens, Alabama • Glendale, Arizona • Phoenix, Arizona + 110 more
Source: ClinicalTrials.gov public record
Updated Jan 16, 2025 · Synced Oct 11, 2026, 9:39 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study to Evaluate the Immunogenicity and Safety of GlaxoSmithKline (GSK) Biologicals' Quadrivalent Influenza Vaccine (GSK2282512A) Compared to Fluzone® Quadrivalent in Children 6 to 35 Months of Age

NCT02242643
View directory record Official record
Conditions
Influenza
Interventions
FluLaval™ Quadrivalent, Fluzone® Quadrivalent
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
6 Months to 35 Months
Enrollment
2,432 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
64
States / cities
Birmingham, Alabama • Dothan, Alabama • Tucson, Arizona + 56 more
Source: ClinicalTrials.gov public record
Updated Sep 7, 2018 · Synced Oct 11, 2026, 9:39 PM 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 11, 2026, 9:39 PM EDT