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ClinicalTrials.gov public records Last synced May 22, 2026, 4:15 AM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Seasonal Influenza Clear all
Active, not recruiting Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Influenza, Human
Interventions
Flu mRNA (Formulation B1), Flu mRNA (Formulation B3), Flu mRNA(Formulation A), Comparator 1, Comparator 2, Comparator 3
Biological · Combination Product
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
971 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
15
States / cities
Guntersville, Alabama • Canoga Park, California • Walnut Creek, California + 12 more
Source: ClinicalTrials.gov public record
Updated Mar 26, 2026 · Synced May 22, 2026, 4:15 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Influenza, Human
Interventions
VRC-FLUDNA056-00VP
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
45 Years to 70 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
2
States / cities
Bethesda, Maryland • Annandale, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced May 22, 2026, 4:15 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Seasonal Influenza Vaccination
Interventions
Mailed influenza vaccination reminder notice
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
24 Months to 60 Months
Enrollment
3,618 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 8, 2011 · Synced May 22, 2026, 4:15 AM EDT
Terminated Phase 3 Interventional Results available
View directory record Official record
Conditions
Cough, Sore Throat, Nasal Congestion, Headache, Fever, Seasonal Influenza
Interventions
Peramivir+SOC, Placebo+SOC
Drug
Lead sponsor
BioCryst Pharmaceuticals
Industry
Eligibility
12 Years and older
Enrollment
405 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
60
States / cities
La Mesa, California • Long Beach, California • Modesto, California + 49 more
Source: ClinicalTrials.gov public record
Updated Feb 11, 2015 · Synced May 22, 2026, 4:15 AM EDT
Completed No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
COVID-19, Coronavirus Infections, Hay Fever, Asthma, Chronic Obstructive Pulmonary Disease, Influenza, Common Cold, Respiratory Tract Infections, Healthy
Interventions
Not listed
Lead sponsor
HealthMode Inc.
Industry
Eligibility
18 Years and older
Enrollment
336 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Apr 28, 2022 · Synced May 22, 2026, 4:15 AM EDT
Completed Phase 1 Interventional
View directory record Official record
Conditions
Influenza, Human
Interventions
VRC-FLUDNA047-00-VP, Flulaval (Registered) Seasonal Influenza Vaccine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 70 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced May 22, 2026, 4:15 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Influenza
Interventions
Live attenuated Influenza vaccine, Trivalent Influenza Vaccine, TIV followed by LAIV, LAIV followed by TIV
Biological
Lead sponsor
University of Rochester
Other
Eligibility
2 Years to 9 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
2
States / cities
Lebanon, New Hampshire • Rochester, New York
Source: ClinicalTrials.gov public record
Updated Dec 28, 2016 · Synced May 22, 2026, 4:15 AM EDT
Withdrawn No phase listed Observational
View directory record Official record
Conditions
Influenza
Interventions
Not listed
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 89 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Hines, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 25, 2015 · Synced May 22, 2026, 4:15 AM EDT
Completed No phase listed Observational
View directory record Official record
Conditions
H1N1 Influenza, Seasonal Influenza
Interventions
Not listed
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
12 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 7, 2013 · Synced May 22, 2026, 4:15 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers
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 23, 2025 · Synced May 22, 2026, 4:15 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Influenza, Seasonal Influenza
Interventions
VRC-GENADJ0110-AP-NV (Adjuplex), Flucelvax, VRC-FLUMOS0111-00-VP (FluMos-v1)
Drug · Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 26, 2025 · Synced May 22, 2026, 4:15 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available
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 6, 2018 · Synced May 22, 2026, 4:15 AM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Healthy Volunteer
Interventions
Flucelvax, Fluvirin, Fluzone High Dose
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 1, 2024 · Synced May 22, 2026, 4:15 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Influenza
Interventions
VXA-A1.1, Fluzone®, Placebo Tablets, Saline Solution for Placebo IM Injection
Biological · Other
Lead sponsor
Vaxart
Industry
Eligibility
18 Years to 49 Years
Enrollment
179 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Costa Mesa, California
Source: ClinicalTrials.gov public record
Updated Oct 5, 2022 · Synced May 22, 2026, 4:15 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Influenza
Interventions
GSK2340274A, GSK2340273A, Seasonal trivalent influenza vaccine (TIV), Saline placebo
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
19 Years to 40 Years
Enrollment
611 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
4
States / cities
Stockbridge, Georgia • Raleigh, North Carolina • Austin, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 31, 2018 · Synced May 22, 2026, 4:15 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Herpes Zoster
Interventions
Herpes Zoster vaccine GSK 1437173A, GSK Biologicals' quadrivalent seasonal influenza vaccine FLU-D-QIV GSK2321138A
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
50 Years and older
Enrollment
829 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
3
States / cities
Phoenix, Arizona • Carnegie, Pennsylvania • Erie, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 1, 2018 · Synced May 22, 2026, 4:15 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Seasonal Influenza
Interventions
Planning Prompt, Default Appointment, Control
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
50,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 16, 2016 · Synced May 22, 2026, 4:15 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Influenza
Interventions
Influenza VLP Vaccine, TIV
Biological
Lead sponsor
Novavax
Industry
Eligibility
60 Years and older
Enrollment
467 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
6
States / cities
Pembroke Pines, Florida • Rochester, Minnesota • Providence, Rhode Island + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 17, 2013 · Synced May 22, 2026, 4:15 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Respiratory Syncytial Virus
Interventions
Placebo, mRNA-1345, Fluzone HD
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
65 Years and older
Enrollment
1,900 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
34
States / cities
Scottsdale, Arizona • Dublin, California • Riverside, California + 29 more
Source: ClinicalTrials.gov public record
Updated Jul 29, 2025 · Synced May 22, 2026, 4:15 AM EDT
Completed Phase 4 Interventional
View directory record Official record
Conditions
Influenza
Interventions
oseltamivir [Tamiflu]
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
1 Year to 12 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
4
States / cities
West Palm Beach, Florida • Pittsburgh, Pennsylvania • Jackson, Tennessee + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 17, 2020 · Synced May 22, 2026, 4:15 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Seasonal Influenza
Interventions
VXA-A1.1
Biological
Lead sponsor
Vaxart
Industry
Eligibility
18 Years to 49 Years · Male only
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Dec 9, 2014 · Synced May 22, 2026, 4:15 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available
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 1, 2026 · Synced May 22, 2026, 4:15 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available
View directory record Official record
Conditions
Seasonal Influenza
Interventions
mRNA-1010, Placebo, Active Comparator
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
18 Years and older
Enrollment
885 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
21
States / cities
Phoenix, Arizona • Tempe, Arizona • Colton, California + 17 more
Source: ClinicalTrials.gov public record
Updated Oct 26, 2023 · Synced May 22, 2026, 4:15 AM EDT
Completed Phase 1 Interventional
View directory record Official record
Conditions
Influenza
Interventions
VRC-FLUMOS0116-00-VP( FLUMos-v2)
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 5, 2026 · Synced May 22, 2026, 4:15 AM EDT