Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 6, 2026, 10:21 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–48 of 52 matching trials from the live ClinicalTrials.gov search.
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
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
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study of mRNA-1010 Seasonal Influenza Vaccine in Adults

NCT05827978
Conditions
Seasonal Influenza
Interventions
mRNA-1010, Licensed Quadrivalent Inactivated Seasonal Influenza Vaccine
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
18 Years and older
Enrollment
8,411 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
103
States / cities
Anniston, Alabama • Athens, Alabama • Cullman, Alabama + 85 more
Conditions
Influenza
Interventions
Seasonal Influenza DNA vaccine, TIV
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
6 Years to 17 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
5
States / cities
Atlanta, Georgia • St Louis, Missouri • Lebanon, New Hampshire + 2 more
Conditions
Influenza
Interventions
DCVC H1 HA mRNA vaccine, Quadrivalent Recombinant Seasonal Influenza Vaccine, Sodium Chloride, 0.9%
Biological · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Iowa City, Iowa
Conditions
Influenza
Interventions
CSL's Influenza Virus Vaccine (Afluria), Influenza Virus Vaccine (Fluzone)
Biological
Lead sponsor
Seqirus
Industry
Eligibility
6 Months to 17 Years
Enrollment
1,474 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
23
States / cities
Chandler, Arizona • Harrisburg, Arkansas • Jonesboro, Arkansas + 16 more
Conditions
Influenza
Interventions
DNA vaccine, TIV
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 70 Years
Enrollment
131 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
4
States / cities
Decatur, Georgia • St Louis, Missouri • Cincinnati, Ohio + 1 more
Conditions
Influenza
Interventions
MF59 adjuvanted trivalent subunit influenza vaccine (aTIV), Non-adjuvanted trivalent subunit influenza vaccine (TIV)
Biological
Lead sponsor
Novartis Vaccines
Industry
Eligibility
65 Years and older
Enrollment
7,109 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
21
States / cities
Phoenix, Arizona • DeLand, Florida • Jacksonville, Florida + 15 more
Conditions
Influenza, Human
Interventions
Investigational aQIVc, licensed QIVr, licensed aQIV
Biological
Lead sponsor
Seqirus
Industry
Eligibility
50 Years and older
Enrollment
7,741 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
51
States / cities
Tempe, Arizona • Little Rock, Arkansas • Huntington Beach, California + 47 more
Conditions
Influenza, Human
Interventions
bioCSL Trivalent Influenza Virus Vaccine (CSL TIV), Comparator Quadrivalent Influenza Virus Vaccine
Biological
Lead sponsor
Seqirus
Industry
Eligibility
5 Years to 8 Years
Enrollment
402 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
11
States / cities
Los Angeles, California • Boise, Idaho • St Louis, Missouri + 8 more
Conditions
Influenza, COVID-19
Interventions
Influenza and COVID-19 Combination A, Licensed influenza vaccine, COVID-19 Vaccine, Influenza and COVID-19 Combination B, Placebo, Investigational influenza vaccine
Biological
Lead sponsor
BioNTech SE
Industry
Eligibility
18 Years to 64 Years
Enrollment
8,795 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
106
States / cities
Athens, Alabama • Birmingham, Alabama • Mobile, Alabama + 76 more
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity Study of QIVc in Healthy Pediatric Subjects

NCT04074928
Conditions
Influenza, Human, Virus Diseases
Interventions
QIVc, Comparator QIV
Biological
Lead sponsor
Seqirus
Industry
Eligibility
6 Months to 47 Months
Enrollment
2,414 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
47
States / cities
Mobile, Alabama • Anaheim, California • Downey, California + 37 more
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Phase 3 Pivotal Trial of NanoFlu™ in Older Adults

NCT04120194
Conditions
Influenza, Human
Interventions
NanoFlu, Fluzone Quadrivalent
Biological
Lead sponsor
Novavax
Industry
Eligibility
65 Years and older
Enrollment
2,654 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
19
States / cities
Hollywood, Florida • Savannah, Georgia • Stockbridge, Georgia + 16 more
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Sanofi Pasteur, TIV + H1N1, Pediatric Population

NCT00943202
Conditions
Influenza
Interventions
Inactivated H1N1 Vaccine, Trivalent Inactivated Influenza Vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
6 Months to 17 Years
Enrollment
531 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
8
States / cities
Atlanta, Georgia • Iowa City, Iowa • St Louis, Missouri + 4 more
Conditions
Influenza
Interventions
Influenza Virus Quadrivalent Inactivated Vaccine, Sodium Chloride, 0.9%, VRC-FLUNPF099-00-VP (H1ssF_3928)
Biological · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Durham, North Carolina
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
Conditions
Influenza
Interventions
QIVc, TIV1c, TIV2c
Biological
Lead sponsor
Novartis Vaccines
Industry
Eligibility
18 Years and older
Enrollment
2,680 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
40
States / cities
Huntsville, Alabama • Phoenix, Arizona • Anaheim, California + 33 more
Conditions
Influenza
Interventions
FluMist, Fluzone
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
12 Months to 35 Months
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
3
States / cities
St Louis, Missouri • Cincinnati, Ohio • Nashville, Tennessee
Conditions
Influenza, Human
Interventions
aQIV, Comparator QIV
Biological
Lead sponsor
Seqirus
Industry
Eligibility
50 Years to 64 Years
Enrollment
2,044 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
12
States / cities
Mobile, Alabama • Tempe, Arizona • Atlantis, Florida + 9 more
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Comparison of Three Licensed Influenza Vaccines

NCT03068949
Conditions
Influenza
Interventions
FluBlok, Fluzone, FluCelVax, Fluzone HD
Biological
Lead sponsor
University of Rochester
Other
Eligibility
18 Years to 49 Years
Enrollment
413 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2021
U.S. locations
1
States / cities
Rochester, New York
Conditions
Bird Flu, Influenza
Interventions
Placebo, Ad4-H5-Vtn, Sanofi Pasteur Influenza Virus Vaccine, H5N1
Other · Biological
Lead sponsor
Emergent BioSolutions
Industry
Eligibility
18 Years to 40 Years
Enrollment
166 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
4
States / cities
Lexington, Kentucky • Kansas City, Missouri • Rochester, New York + 1 more
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

A Study to Learn About How the Flu and COVID-19 Vaccines Act in Healthy People

NCT06821061
Conditions
Influenza, COVID-19 (Coronavirus Disease 2019)
Interventions
Investigational Influenza Vaccine, Investigational COVID-19 Vaccine, Investigational Influenza and COVID-19 Combination Vaccine, Licensed Influenza Vaccine 1, Licensed Influenza Vaccine 2, Licensed Influenza Vaccine 3, Licensed COVID-19 Vaccine
Biological · Combination Product
Lead sponsor
BioNTech SE
Industry
Eligibility
18 Years and older
Enrollment
2,650 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
31
States / cities
Anaheim, California • Lake Forest, California • Riverside, California + 26 more
Conditions
Influenza, Orthomyxoviruses, Myxovirus Infection
Interventions
Influenza virus vaccine - cell-based (2007-2008 Formulation), Influenza virus vaccine (2007-2008 Formulation)
Biological
Lead sponsor
Sanofi
Industry
Eligibility
18 Years to 49 Years
Enrollment
729 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
15
States / cities
Hoover, Alabama • Mobile, Alabama • Tucson, Arizona + 12 more
Conditions
Haemophilus Influenzae Type b, Neisseria Meningitidis
Interventions
GSK Biologicals' Haemophilus influenza type b and Neisseria meningitidis serogroups C and Y-tetanus toxoid conjugate vaccine 792014 vaccine, ActHIB, Pediarix, Prevnar, Menomune
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
6 Weeks to 15 Months
Enrollment
756 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2006
U.S. locations
27
States / cities
Little Rock, Arkansas • Fountain Valley, California • Centennial, Colorado + 19 more
Withdrawn Phase 1Phase 2 Interventional Accepts healthy volunteers

MAS-1 Adjuvanted Compared to Unadjuvanted Influenza Vaccines in the Elderly

NCT01623232
Conditions
Influenza Vaccines, Aged
Interventions
MAS-1 adjuvant and influenza HA antigen, standard dose, inactivated trivalent influenza vaccine (TIV)
Biological
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
65 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
4
States / cities
Palo Alto, California • Iowa City, Iowa • Minneapolis, Minnesota + 1 more