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ClinicalTrials.gov public records Last synced Oct 9, 2026, 12:23 AM EDT

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Showing 25–48 of 308 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Flucelvax inactivated influenza vaccine Clear all
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Inactivated Split Virus Seasonal Influenza Vaccine (Vero Cell-Derived)

NCT01773928
View directory record Official record
Conditions
Influenza
Interventions
Vero cell-derived trivalent influenza vaccine manufactured with the modified manufacturing process (VCIV modified), VCIV manufactured with the current manufacturing process (VCIV current), Fluzone®, licensed trivalent influenza vaccine (TIV)
Biological
Lead sponsor
Alachua Government Services, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,928 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
20
States / cities
Chandler, Arizona • Anaheim, California • Paramount, California + 17 more
Source: ClinicalTrials.gov public record
Updated Sep 11, 2025 · Synced Oct 9, 2026, 12:23 AM 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 9, 2026, 12:23 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

H5N1 Priming and Boosting Strategies

NCT00703053
View directory record Official record
Conditions
Influenza
Interventions
A/Vietnam/1203/04, A/Indonesia/05/05
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years
Enrollment
505 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
5
States / cities
Decatur, Georgia • Rochester, Minnesota • St Louis, Missouri + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 23, 2013 · Synced Oct 9, 2026, 12:23 AM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

Influenza Vaccine as a Novel Experimental Model of the Behavioral Immune Response in Depression

NCT03756246
View directory record Official record
Conditions
Depression, Healthy
Interventions
Influenza Vaccine
Biological
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years to 60 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jun 27, 2019 · Synced Oct 9, 2026, 12:23 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Half-Dose Flu Vaccine Study in Healthy Adults

NCT00006146
View directory record Official record
Conditions
Influenza
Interventions
Approved influenza virus vaccine.
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years
Enrollment
840 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000
U.S. locations
6
States / cities
Torrance, California • College Park, Maryland • St Louis, Missouri + 3 more
Source: ClinicalTrials.gov public record
Updated Aug 27, 2010 · Synced Oct 9, 2026, 12:23 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

A/H5N1 Vaccine in Healthy Children Aged 2-9 Years

NCT00133536
View directory record Official record
Conditions
Influenza
Interventions
Influenza A/H5N1 Vaccine, Placebo
Biological · Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
2 Years to 9 Years
Enrollment
157 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
4
States / cities
Torrance, California • Baltimore, Maryland • St Louis, Missouri + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 27, 2010 · Synced Oct 9, 2026, 12:23 AM EDT
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 9, 2026, 12:23 AM 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 9, 2026, 12:23 AM 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 9, 2026, 12:23 AM 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 9, 2026, 12:23 AM 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 9, 2026, 12:23 AM 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 9, 2026, 12:23 AM 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 9, 2026, 12:23 AM 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 9, 2026, 12:23 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Prospective Trial of Vaccine Responses Against Pneumococcus and Influenza in Adult Cancer Patients 65 Years of Age and Older

NCT00741039
View directory record Official record
Conditions
Breast Cancer, Lung Cancer, Prostate Cancer
Interventions
inactivated influenza vaccine and the 23- valent pneumococcal vaccine, inactivated influenza vaccine and the PPV23 vaccine (Pneumovax)
Biological
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
65 Years and older
Enrollment
126 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 20, 2015 · Synced Oct 9, 2026, 12:23 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Seasonal Influenza DNA Vaccine & Seasonal Influenza Trivalent Inactivated Vaccine (TIV) in Children & Adolescents

NCT01609998
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 6, 2018 · Synced Oct 9, 2026, 12:23 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Jet Injection for Influenza

NCT01688921
View directory record Official record
Conditions
Influenza, Human
Interventions
AFLURIA vaccine (2012-2013 formulation), Needle-Syringe, Stratis needle-free injection device
Biological · Device
Lead sponsor
PharmaJet, Inc.
Industry
Eligibility
18 Years to 64 Years
Enrollment
1,250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
3
States / cities
Fort Collins, Colorado • Loveland, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 1, 2017 · Synced Oct 9, 2026, 12:23 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Elderly Influenza Vaccine Immunogenicity Substudy

NCT00170482
View directory record Official record
Conditions
Influenza
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
65 Years to 99 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 28, 2019 · Synced Oct 9, 2026, 12:23 AM EDT
Withdrawn Phase 4 Interventional Accepts healthy volunteers

Response to Inactivated Influenza Vaccine in Lymph Tissue and Blood

NCT03898973
View directory record Official record
Conditions
Influenza
Interventions
Quadrivalent inactivated influenza vaccine (IIV)
Biological
Lead sponsor
Stanford University
Other
Eligibility
20 Years to 75 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Nov 21, 2023 · Synced Oct 9, 2026, 12:23 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Immune and Hormone Response to Influenza Vaccine

NCT01978262
View directory record Official record
Conditions
Healthy
Interventions
Seasonal Inactivated Influenza Vaccine
Biological
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years to 39 Years · Female only
Enrollment
103 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 27, 2018 · Synced Oct 9, 2026, 12:23 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Open-Label Study of H5 Vaccine in Participants of Protocol 04-077

NCT00402649
View directory record Official record
Conditions
Influenza
Interventions
Inactivated Influenza A/H5N1 Vaccine (sanofi pasteur)
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
2 Years to 10 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
3
States / cities
Torrance, California • Baltimore, Maryland • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 13, 2011 · Synced Oct 9, 2026, 12:23 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Safety of Simultaneous mRNA COVID-19 Vaccine With Other Childhood Vaccines in Young Children

NCT06038617
View directory record Official record
Conditions
Fever After Vaccination, Fever, Seizures Fever
Interventions
mRNA COVID-19 Vaccine, Routine Childhood Vaccinations
Biological
Lead sponsor
Duke University
Other
Eligibility
6 Months to 4 Years
Enrollment
347 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
5
States / cities
Oakland, California • Atlanta, Georgia • New York, New York + 2 more
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced Oct 9, 2026, 12:23 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Surveillance Program to Determine Product Specific Rates of Invasive Hib Disease

NCT00855855
View directory record Official record
Conditions
Haemophilus Infections, Diphtheria, Tetanus, Polio, Pertussis
Interventions
DTaP-IPV/Hib
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
Up to 59 Months
Enrollment
20,830 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
59
States / cities
Albany, California • Martinez, California • San Francisco, California + 56 more
Source: ClinicalTrials.gov public record
Updated Apr 25, 2022 · Synced Oct 9, 2026, 12:23 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Safety Study of Seasonal Influenza Vaccine by Jet Injection

NCT00987350
View directory record Official record
Conditions
Healthy Adults
Interventions
LectraJet, TIV by jet injection, Seasonal Trivalent Influenza Vaccine
Device · Biological
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 49 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
College Park, Maryland
Source: ClinicalTrials.gov public record
Updated May 3, 2021 · Synced Oct 9, 2026, 12:23 AM EDT