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ClinicalTrials.gov public records Last synced Oct 8, 2026, 11:02 PM EDT

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Showing 121–144 of 1,103 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Influenza, Human Clear all
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Inactivated Influenza A/H9N2 Vaccine With and Without MF59 Adjuvant in Ambulatory Adults

NCT00133471
View directory record Official record
Conditions
Influenza
Interventions
Influenza A/H9N2 vaccine, MF59 adjuvant
Biological · Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 34 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 27, 2010 · Synced Oct 8, 2026, 11:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Immunologic Response to Inactivated Vaccine for Novel H1N1 Virus

NCT01023711
View directory record Official record
Conditions
Influenza
Interventions
Inactivated H1N1 vaccine
Biological
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
107 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated May 12, 2015 · Synced Oct 8, 2026, 11:02 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Study to Evaluate the Safety of 1 New 6:2 Influenza Virus Reassortant in Adults for the 2017-2018 Season

NCT03158038
View directory record Official record
Conditions
Influenza, Healthy
Interventions
Monovalent Influenza Vaccine, Placebo
Biological · Other
Lead sponsor
MedImmune LLC
Industry
Eligibility
18 Years to 49 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
2
States / cities
Stockbridge, Georgia • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jan 4, 2019 · Synced Oct 8, 2026, 11:02 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

H5N1 Milk Detection Study

NCT06850298
View directory record Official record
Conditions
Influenza
Interventions
Pasteurized milk contaminated with killed A(H5) virus
Other
Lead sponsor
Emory University
Other
Eligibility
18 Years to 64 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Oct 8, 2026, 11:02 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Safety and Immunogenicity of a Monovalent Inactivated Influenza H3N2 Variant (H3N2v) Vaccine in Pediatric Populations

NCT02100436
View directory record Official record
Conditions
Influenza
Interventions
Influenza Virus Vaccine, Monovalent A/H3N2v A/Minnesota/11/2010 NYMC X-203
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
6 Months to 17 Years
Enrollment
270 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
8
States / cities
Atlanta, Georgia • Baltimore, Maryland • Kansas City, Missouri + 5 more
Source: ClinicalTrials.gov public record
Updated Jul 6, 2017 · Synced Oct 8, 2026, 11:02 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Efficacy and Safety of CR6261 in an H1N1 Influenza Healthy Volunteer Human Challenge Model

NCT02371668
View directory record Official record
Conditions
H1N1 Influenza Healthy Volunteers
Interventions
CR6261, Placebo
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
104 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 17, 2020 · Synced Oct 8, 2026, 11:02 PM EDT
Completed No phase listed Observational

Inpatient Influenza Surveillance

NCT00419861
View directory record Official record
Conditions
Influenza
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
50 Years and older
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 23, 2013 · Synced Oct 8, 2026, 11:02 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Concomitant Administration of 13-valent Pneumococcal Conjugate Vaccine (13vPnC) With Influenza Vaccine in 23-valent Pneumococcal Polysaccharide (23vPS) Pre-vaccinated Adults.

NCT02124161
View directory record Official record
Conditions
PREVENTION OF INVASIVE PNEUMOCOCCAL DISEASE
Interventions
13-valent pneumococcal conjugate vaccine, Seasonal Inactivated Influenza Vaccine, Placebo
Biological · Other
Lead sponsor
Pfizer
Industry
Eligibility
50 Years and older
Enrollment
882 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
44
States / cities
Birmingham, Alabama • Huntsville, Alabama • Scottsdale, Arizona + 37 more
Source: ClinicalTrials.gov public record
Updated Jul 1, 2016 · Synced Oct 8, 2026, 11:02 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

A Study of AV0328 Administered to Healthy Adult Volunteers

NCT02853617
View directory record Official record
Conditions
PNAG-expressing Pathogenic Microbes Vaccine
Interventions
AV0328 - Cohort 1, AV0328 - Cohort 2, AV0328 - Cohort 3, AV0328 - Cohort 4
Biological
Lead sponsor
Alopexx Vaccine, LLC
Industry
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Neptune City, New Jersey
Source: ClinicalTrials.gov public record
Updated Mar 19, 2019 · Synced Oct 8, 2026, 11:02 PM EDT
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 8, 2026, 11:02 PM EDT
Completed Phase 3 Interventional Results available

Study to Assess the Safety, Pharmacokinetics, and Efficacy of Baloxavir Marboxil in Healthy Pediatric Participants With Influenza-Like Symptoms

NCT03629184
View directory record Official record
Conditions
Influenza
Interventions
Baloxavir Marboxil, Oseltamivir
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
1 Year to 11 Years
Enrollment
173 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
27
States / cities
Birmingham, Alabama • Harrisburg, Arkansas • Jonesboro, Arkansas + 22 more
Source: ClinicalTrials.gov public record
Updated Apr 29, 2020 · Synced Oct 8, 2026, 11:02 PM EDT
Completed Not applicable Interventional

FluAlert: Influenza Vaccine Alerts for Providers in the Electronic Health Record

NCT01146899
View directory record Official record
Conditions
Influenza
Interventions
Provider Alert
Other
Lead sponsor
Columbia University
Other
Eligibility
6 Months to 75 Years
Enrollment
6,145 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 24, 2014 · Synced Oct 8, 2026, 11:02 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study of Intradermal Quadrivalent Influenza Vaccine in Adults Aged 18 Through 64 Years

NCT01712984
View directory record Official record
Conditions
Influenza
Interventions
Influenza Virus Vaccine USP Quadrivalent, (Zonal Purified Subvirion) 2012 2013 Formulation, Influenza Virus Vaccine USP Trivalent Types A and B (Zonal Purified Subvirion) Fluzone Intradermal
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
18 Years to 64 Years
Enrollment
3,360 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
38
States / cities
Hoover, Alabama • Huntsville, Alabama • Chandler, Arizona + 32 more
Source: ClinicalTrials.gov public record
Updated May 7, 2015 · Synced Oct 8, 2026, 11:02 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Probiotics (L. Helveticus, B. Longum, and B. Bifidum) on Immune Function and Digestive Health

NCT01709825
View directory record Official record
Conditions
Healthy
Interventions
Probiotic- Bifidobacterium Bifidum, Sugar Pill, Probiotic- Lactobacillus helveticus, Probiotic- Bifidobacterium longum ss. Infantis R0033
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
583 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 29, 2015 · Synced Oct 8, 2026, 11:02 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

A Clinical Study to Assess the Safety of a New Influenza Vaccine

NCT01104493
View directory record Official record
Conditions
Healthy
Interventions
Monovalent Frozen FluMist®, Placebo
Biological · Other
Lead sponsor
MedImmune LLC
Industry
Eligibility
18 Years to 49 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
3
States / cities
South Miami, Florida • Stockbridge, Georgia • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jul 18, 2011 · Synced Oct 8, 2026, 11:02 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study of mRNA-1010 Seasonal Influenza Vaccine in Adults

NCT05827978
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 10, 2025 · Synced Oct 8, 2026, 11:02 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Single Group Study of the Safety of and Immune Response to a Bird Flu Virus Vaccine (H5N1) in Healthy Adults

NCT00488046
View directory record Official record
Conditions
Influenza, Virus Diseases
Interventions
H5N1 (6-2) AA ca Recombinant (A/Hong Kong/213/2003 x A/AnnArbor/6/60 ca)
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 20, 2007 · Synced Oct 8, 2026, 11:02 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study of Quadrivalent Influenza Vaccine Among Children

NCT01240746
View directory record Official record
Conditions
Influenza
Interventions
Licensed 2010-2011 Trivalent Influenza Vaccine, No Preservative, Investigational Trivalent Influenza Vaccine with alternate B strain, No Preservative, Quadrivalent Influenza Vaccine, No Preservative
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
6 Months to 8 Years
Enrollment
4,363 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
67
States / cities
Dothan, Alabama • Chandler, Arizona • Mesa, Arizona + 55 more
Source: ClinicalTrials.gov public record
Updated Jul 14, 2015 · Synced Oct 8, 2026, 11:02 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

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

NCT03014310
View directory record Official record
Conditions
Avian Influenza
Interventions
AS03, MF59, 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
388 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
7
States / cities
Atlanta, Georgia • Baltimore, Maryland • St Louis, Missouri + 4 more
Source: ClinicalTrials.gov public record
Updated Sep 23, 2024 · Synced Oct 8, 2026, 11:02 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Monovalent H5N1 Vaccine GSK1557484A in Children 6 Months to < 18 Years of Age

NCT01310413
View directory record Official record
Conditions
Influenza, Influenza Vaccines
Interventions
Influenza A (H5N1) Virus monovalent vaccine, Saline placebo
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
6 Months to 17 Years
Enrollment
842 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
11
States / cities
Paramount, California • Sacramento, California • Newton, Kansas + 8 more
Source: ClinicalTrials.gov public record
Updated Nov 1, 2021 · Synced Oct 8, 2026, 11:02 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Senescent Immunity in Elders and Vaccine Responses (SILVER)

NCT04077424
View directory record Official record
Conditions
Flu Vaccine
Interventions
Fluzone-High Dose Quadrivalent, Fluad, Flublock
Biological
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
65 Years to 125 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 12, 2022 · Synced Oct 8, 2026, 11:02 PM EDT
Completed Phase 3 Interventional Results available

Safety Study of IV Peramivir in Hospitalized Subjects With Confirmed or Suspected Influenza

NCT00957996
View directory record Official record
Conditions
Seasonal Influenza, Cough, Sore Throat, Nasal Congestion, Myalgia, Headache, Fatigue
Interventions
Peramivir
Drug
Lead sponsor
BioCryst Pharmaceuticals
Industry
Eligibility
6 Years and older
Enrollment
234 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
79
States / cities
Dothan, Alabama • Mobile, Alabama • Jonesboro, Arkansas + 76 more
Source: ClinicalTrials.gov public record
Updated Feb 12, 2015 · Synced Oct 8, 2026, 11:02 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Immunogenicity & Safety of GSK's Avian Flu Vaccine 1557484A Given to Adults Aged ≥18 Years

NCT00719043
View directory record Official record
Conditions
Influenza
Interventions
A/turkey H5N1 vaccine, Influenza A (H5N1) Virus Monovalent Vaccine, Adjuvanted (A/Indonesia), Placebo
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
841 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
10
States / cities
Denver, Colorado • Chicago, Illinois • Metairie, Louisiana + 7 more
Source: ClinicalTrials.gov public record
Updated Jul 9, 2018 · Synced Oct 8, 2026, 11:02 PM EDT
Active, not recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

A Phase I/II Study on Safety AND Immunogenicity of AZD4117 and AZD5315 Vaccines (PANDA)

NCT07128615
View directory record Official record
Conditions
Influenza A
Interventions
AZD4117, AZD5315, Placebo
Biological · Other
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years and older
Enrollment
405 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
14
States / cities
Long Beach, California • Rolling Hills Estates, California • Hialeah, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Oct 8, 2026, 11:02 PM EDT