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ClinicalTrials.gov public records Last synced Oct 23, 2026, 1:51 PM EDT

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Showing 889–912 of 1,140 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Flu Clear all
Completed Phase 1 Interventional

PDE5 Inhibition Via Tadalafil to Enhance Anti-Tumor Mucin 1 (MUC1) Vaccine Efficacy in Patients With HNSCC

NCT02544880
View directory record Official record
Conditions
Head and Neck Squamous Cell Carcinoma, Head and Neck Cancer
Interventions
Tadalafil, Anti-MUC1 Vaccine, Anti-Influenza Vaccine, Tadalafil Placebo, Anti-MUC1 Vaccine Placebo, Standard of Care Treatment, Anti-Influenza Vaccine Placebo
Drug · Biological · Other
Lead sponsor
Donald T. Weed, MD, FACS
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jun 15, 2021 · Synced Oct 23, 2026, 1:51 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Durability and Impact of the Seasonal Influenza Vaccine on H5 Induced B Cell Response

NCT03701061
View directory record Official record
Conditions
Influenza A Subtype H5N1 Infection
Interventions
Seasonal Influenza Vaccine
Biological
Lead sponsor
Emory University
Other
Eligibility
Not listed
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Decatur, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 11, 2020 · Synced Oct 23, 2026, 1:51 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Dose, Safety, Tolerability and Immunogenicity of an Influenza H10 Stabilized Stem Ferritin Vaccine, VRC-FLUNPF0103-00-VP, in Healthy Adults

NCT04579250
View directory record Official record
Conditions
Influenza
Interventions
VRC-FLUNPF0103-00-VP (H10ssF-6473)
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 70 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 22, 2023 · Synced Oct 23, 2026, 1:51 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Diesel Exhaust Followed by Administration of Nasal Spray Flu Vaccine on Individuals With & Without Allergies

NCT00617110
View directory record Official record
Conditions
Allergic Rhinitis
Interventions
live attenuated influenza virus (LAIV) with clean air, LAIV and diesel exhaust particles
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 35 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2014
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 3, 2015 · Synced Oct 23, 2026, 1:51 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

H7N9 Vaccination With and Without AS03 and Unadjuvanted H3N2v Vaccination: Standard and Systems Biology Analyses

NCT02921997
View directory record Official record
Conditions
Avian Influenza, H1N1 Influenza, Influenza
Interventions
AS03, Influenza Virus Vaccine, Monovalent A/H3N2v A/Minnesota/11/2010 NYMC X-203, Monovalent influenza A/H7N9 virus vaccine
Drug · Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 9, 2024 · Synced Oct 23, 2026, 1:51 PM 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 23, 2026, 1:51 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Study to Evaluate the Safety of a Monovalent Vaccine of a New 6:2 Reassortant in Healthy Adults (AV024)

NCT00240877
View directory record Official record
Conditions
Influenza
Interventions
AV024, Placebo
Biological · Other
Lead sponsor
MedImmune LLC
Industry
Eligibility
18 Years to 64 Years
Enrollment
330 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2004
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Nov 20, 2008 · Synced Oct 23, 2026, 1:51 PM EDT
Completed Not applicable Interventional Results available

Safe Administration of Flu Vaccine to Egg Allergic Children

NCT01264601
View directory record Official record
Conditions
Egg Allergy
Interventions
Trivalent Influenza Vaccine
Biological
Lead sponsor
University of Michigan
Other
Eligibility
6 Months to 24 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
5
States / cities
San Diego, California • Ann Arbor, Michigan • Rochester, Minnesota + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 26, 2017 · Synced Oct 23, 2026, 1:51 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Oseltamivir Treatment for Children Less Than 24 Months of Age With Influenza

NCT00391768
View directory record Official record
Conditions
Influenza
Interventions
oseltamivir (Tamiflu®)
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
Up to 23 Months
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
29
States / cities
Birmingham, Alabama • Little Rock, Arkansas • Long Beach, California + 24 more
Source: ClinicalTrials.gov public record
Updated May 1, 2013 · Synced Oct 23, 2026, 1:51 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Comparative Safety and Immunogenicity of 1.0 µg Intramuscular (i.m.) and 2.0 µg Subcutaneous (s.c.) Dosing With VAX102 (M2e-flagellin) Universal Influenza Vaccine in Healthy Adults

NCT00921947
View directory record Official record
Conditions
Influenza
Interventions
VAX102
Biological
Lead sponsor
VaxInnate Corporation
Industry
Eligibility
18 Years to 49 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Aug 24, 2011 · Synced Oct 23, 2026, 1:51 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

H5N1 Vaccine Intramuscular Versus Intradermal in Healthy Adults

NCT00310206
View directory record Official record
Conditions
Influenza
Interventions
Inactivated Influenza A Vaccine A/H5N1
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 40 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 3, 2013 · Synced Oct 23, 2026, 1:51 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Universal Anti-Viral Vaccine for Healthy Elderly Adults

NCT04441047
View directory record Official record
Conditions
Virus Diseases, Pneumonia, COVID-19 Respiratory Infection, RSV Pneumonia, Influenza, Human, ARDS, Human
Interventions
AlloStim
Drug
Lead sponsor
Mirror Biologics, Inc.
Industry
Eligibility
65 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
4
States / cities
Delray Beach, Florida • Miami, Florida • Tampa, Florida + 1 more
Source: ClinicalTrials.gov public record
Updated Jan 14, 2025 · Synced Oct 23, 2026, 1:51 PM EDT
Completed No phase listed Observational

Flu-Like Symptoms as a Complication of Botulinum Toxin Therapy

NCT01337453
View directory record Official record
Conditions
Flu-like Symptoms
Interventions
Not listed
Lead sponsor
Christine Hunter
Other
Eligibility
18 Years and older
Enrollment
247 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 24, 2012 · Synced Oct 23, 2026, 1:51 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Eldery High Dose TIV 2005

NCT00115531
View directory record Official record
Conditions
Influenza
Interventions
Trivalent inactivated influenza vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
65 Years and older
Enrollment
414 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005
U.S. locations
5
States / cities
Iowa City, Iowa • Baltimore, Maryland • St Louis, Missouri + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 19, 2014 · Synced Oct 23, 2026, 1:51 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Avian Influenza Studies In Lebanon

NCT01107262
View directory record Official record
Conditions
Avian Influenza, Virus Diseases
Interventions
Not listed
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 27, 2011 · Synced Oct 23, 2026, 1:51 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Sanofi H1N1 Influenza Vaccine Administered at Different Dose Levels With and Without AS03 Adjuvant in Healthy Adult and Elderly Populations

NCT00963157
View directory record Official record
Conditions
Influenza
Interventions
AS03, Influenza Virus Vaccine, Monovalent A/H1N1 A/California/7/2009 NYMC X-179A
Drug · Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
789 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
7
States / cities
Stanford, California • Decatur, Georgia • Iowa City, Iowa + 3 more
Source: ClinicalTrials.gov public record
Updated Dec 24, 2014 · Synced Oct 23, 2026, 1:51 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Phase IV Trial to Collect Safety Data and Sera for Immunogenicity Testing in Healthy Children Given Fluzone® Vaccine

NCT00561002
View directory record Official record
Conditions
Influenza
Interventions
2007-2008 Influenza Virus Vaccine
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
6 Months to 35 Months
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 14, 2016 · Synced Oct 23, 2026, 1:51 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Novartis H1N1 Vaccine in Pregnant Women

NCT00992719
View directory record Official record
Conditions
Influenza
Interventions
Inactivated H1N1 Vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 39 Years · Female only
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
6
States / cities
Baltimore, Maryland • St Louis, Missouri • Durham, North Carolina + 3 more
Source: ClinicalTrials.gov public record
Updated Aug 7, 2013 · Synced Oct 23, 2026, 1:51 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Safety and Immunogenicity of Quadrivalent Influenza mRNA Vaccine MRT5407 in Adult Participants18 Years of Age and Older

NCT05553301
View directory record Official record
Conditions
Influenza Immunization
Interventions
Quadrivalent Influenza mRNA Vaccine MRT5407, Quadrivalent Recombinant Influenza Vaccine, Quadrivalent Influenza Standard Dose Vaccine, Quadrivalent Influenza High-Dose Vaccine
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
18 Years and older
Enrollment
560 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
23
States / cities
Rolling Hills Estates, California • San Diego, California • DeLand, Florida + 16 more
Source: ClinicalTrials.gov public record
Updated Jan 24, 2025 · Synced Oct 23, 2026, 1:51 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study on the Immune Response and Safety Elicited by a Vaccine Against Respiratory Syncytial Virus (RSV) When Given Alone and Together With a Vaccine Against Influenza in Adults Aged 65 Years and Above

NCT05559476
View directory record Official record
Conditions
Respiratory Syncytial Virus Infections
Interventions
RSVPreF3 OA investigational vaccine, FLU HD vaccine
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
65 Years and older
Enrollment
1,029 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
46
States / cities
Birmingham, Alabama • Tempe, Arizona • Canoga Park, California + 41 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2024 · Synced Oct 23, 2026, 1:51 PM 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 23, 2026, 1:51 PM EDT
Recruiting Phase 2 Interventional

Baloxavir and Oseltamivir for the Treatment of Severe Influenza Infection in Immunocompromised Patients

NCT04712539
View directory record Official record
Conditions
Hematopoietic and Lymphoid Cell Neoplasm, Influenza
Interventions
Baloxavir Marboxil, Oseltamivir
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
12 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Oct 23, 2026, 1:51 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

H5N8 Mix and Match With or Without AS03 or MF59 in Healthy Adults

NCT02624219
View directory record Official record
Conditions
Avian Influenza, Influenza
Interventions
AS03, MF59 adjuvant, Monovalent Influenza A/H5N8 vaccine
Drug · Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
19 Years to 64 Years
Enrollment
276 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
4
States / cities
Iowa City, Iowa • St Louis, Missouri • Cincinnati, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 23, 2019 · Synced Oct 23, 2026, 1:51 PM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

Study of the Immunogenicity and Safety of a Quadrivalent Influenza Vaccine (VAX2012Q) in Adults 18-64 Years

NCT02434276
View directory record Official record
Conditions
Influenza
Interventions
VAX2012Q, Fluzone Quadrivalent
Biological
Lead sponsor
VaxInnate Corporation
Industry
Eligibility
18 Years to 64 Years
Enrollment
450 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
6
States / cities
Huntsville, Alabama • San Diego, California • Melbourne, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Jun 26, 2015 · Synced Oct 23, 2026, 1:51 PM EDT