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Showing 1–24 of 308 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Inactivated influenza vaccine Clear all
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity Among Healthy Children Receiving Fluzone® Influenza Virus Vaccine (2012-2013 Formulation)

NCT01691326
View directory record Official record
Conditions
Influenza
Interventions
Fluzone®: Influenza Virus Vaccine, No Preservative: Pediatric Dose, Fluzone®; Influenza Virus Vaccine, No Preservative
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
6 Months to 8 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
2
States / cities
Bardstown, Kentucky • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 15, 2014 · Synced Sep 28, 2026, 3:58 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety and Immunogenicity of a Live Attenuated H7N9 Influenza Virus Vaccine in Healthy Adults

NCT01995695
View directory record Official record
Conditions
Influenza A Virus, H7N9 Subtype
Interventions
Live attenuated H7N9 A/Anhui/13 ca influenza virus vaccine, Inactivated subvirion H7N9 influenza vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2013
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jul 26, 2016 · Synced Sep 28, 2026, 3:58 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Cellular and Humoral Immune Response to Primary and Secondary Immunization With Subvirion H5N1 Vaccines

NCT01086566
View directory record Official record
Conditions
Influenza
Interventions
Influenza Virus Vaccine, Monovalent A/H5N1 A/Indonesia/05/2005
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 64 Years
Enrollment
95 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Dec 31, 2015 · Synced Sep 28, 2026, 3:58 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Safety of LAIV4 in Children With Asthma

NCT03600428
View directory record Official record
Conditions
Asthma in Children, Vaccine Adverse Reaction, Vaccine Reaction, Asthma, Wheezing, Influenza
Interventions
Live Attenuated Influenza Vaccine (LAIV), Inactivated Influenza Vaccine (IIV)
Biological
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
5 Years to 11 Years
Enrollment
152 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
3
States / cities
Durham, North Carolina • Cincinnati, Ohio • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 15, 2021 · Synced Sep 28, 2026, 3:58 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Immunogenicity of High-dose Inactivated, Split-virion Influenza Vaccine Versus Standard Fluzone Vaccine in the Elderly

NCT00391053
View directory record Official record
Conditions
Orthomyxoviridae Infection, Influenza, Myxovirus Infection
Interventions
High-Dose Inactivated, Split-Virion Influenza Vaccine, Inactivated, Split-Virion Influenza Vaccine
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
65 Years and older
Enrollment
3,851 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
28
States / cities
Mesa, Arizona • Phoenix, Arizona • Tempe, Arizona + 25 more
Source: ClinicalTrials.gov public record
Updated Apr 13, 2016 · Synced Sep 28, 2026, 3:58 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Fever After Simultaneous Versus Sequential Vaccination in Young Children

NCT03165981
View directory record Official record
Conditions
Fever After Vaccination, Fever, Febrile Seizure
Interventions
PCV13, DTaP, IIV
Biological
Lead sponsor
Duke University
Other
Eligibility
12 Months to 16 Months
Enrollment
221 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
3
States / cities
Oakland, California • Atlanta, Georgia • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 17, 2024 · Synced Sep 28, 2026, 3:58 PM EDT
Not listed Phase 4 Interventional

Optimizing Influenza Vaccination in Surgical Oncology Patients

NCT01698177
View directory record Official record
Conditions
Influenza
Interventions
Influenza vaccine
Biological
Lead sponsor
Stony Brook University
Other
Eligibility
18 Years and older
Enrollment
204 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated Apr 18, 2013 · Synced Sep 28, 2026, 3:58 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study to Evaluate Safety and Immune Response of Novartis Meningococcal ACWY Vaccine In Infants

NCT00474526
View directory record Official record
Conditions
Meningitis, Meningococcal
Interventions
Meningococcal ACWY Conjugate Vaccine, DTaP-IPV-HBV, Hib, Rotavirus, Pneumococcal 7-valent Conjugate Vaccine, HAV, MMR-V, DTaP
Biological
Lead sponsor
Novartis Vaccines
Industry
Eligibility
2 Months to 2 Months
Enrollment
4,545 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
53
States / cities
Bessemer, Alabama • Birmingham, Alabama • Downey, California + 43 more
Source: ClinicalTrials.gov public record
Updated Mar 23, 2014 · Synced Sep 28, 2026, 3:58 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Flublok v. Standard Dose Vaccine Effectiveness Among Kaiser Permanente Northern California Adults 18-64 Years

NCT03694392
View directory record Official record
Conditions
Influenza, Pneumonia, Lower Respiratory Tract Infection, Acute Myocardial Infarction, Congestive Heart Failure, Stroke
Interventions
Flublok Quadrivalent, Standard Dose Inactivated Influenza Vaccine (SD-IIV)
Biological
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years to 64 Years
Enrollment
2,776,278 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Apr 7, 2025 · Synced Sep 28, 2026, 3:58 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Atopic Dermatitis Research Network (ADRN) Influenza Vaccine Pilot

NCT01518478
View directory record Official record
Conditions
Atopic Dermatitis
Interventions
Fluzone® Intradermal (Sanofi Pasteur Inc.)
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 64 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 28, 2017 · Synced Sep 28, 2026, 3:58 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Inactivated Influenza Vaccine in Infants 10-22 Weeks of Age

NCT00231920
View directory record Official record
Conditions
Influenza
Interventions
Fluzone
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
10 Weeks to 22 Weeks
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2006
U.S. locations
2
States / cities
Cincinnati, Ohio • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 11, 2011 · Synced Sep 28, 2026, 3:58 PM 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 26, 2010 · Synced Sep 28, 2026, 3:58 PM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers

Th1 Response to Influenza: Aging and Vaccine Efficacy

NCT00396305
View directory record Official record
Conditions
Influenza
Interventions
Placebo, Trivalent Inactivated Influenza
Drug · Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
21 Years and older
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 26, 2010 · Synced Sep 28, 2026, 3:58 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Immunogenicity, Safety of GSKs Tdap Vaccine Boostrix When Coadministered With GSKs Influenza Vaccine Fluarix in Adults

NCT00385255
View directory record Official record
Conditions
Acellular Pertussis, Diphtheria, Tetanus
Interventions
Fluarix®, Boostrix®
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
19 Years and older
Enrollment
1,726 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
12
States / cities
Huntsville, Alabama • Chandler, Arizona • Mesa, Arizona + 8 more
Source: ClinicalTrials.gov public record
Updated Jun 9, 2019 · Synced Sep 28, 2026, 3:58 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Immunogenicity and Safety Study of Inactivated Subunit H5N1 Influenza Vaccine in Prior Recipients of Live Attenuated H2N2, H6N1 and H9N2 Influenza Vaccines and in H5N1 and Live Attenuated Vaccine Naïve Individuals

NCT03816878
View directory record Official record
Conditions
Influenza
Interventions
H5N1 pISV
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 60 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 21, 2025 · Synced Sep 28, 2026, 3:58 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of a Live-attenuated Universal Flu Vaccine Followed by an Inactivated Universal Flu Vaccine

NCT03300050
View directory record Official record
Conditions
Influenza, Vaccine
Interventions
cH8/1N1 LAIV, AS03-adjuvanted cH5/1N1 IIV, cH5/1N1 IIV, AS03-adjuvanted cH8/1N1 IIV, Normal saline, Phosphate buffered saline (PBS)
Biological
Lead sponsor
PATH
Other
Eligibility
18 Years to 39 Years
Enrollment
65 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
2
States / cities
Durham, North Carolina • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 20, 2021 · Synced Sep 28, 2026, 3:58 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Open Label Evaluation of H5N1 Vaccine at Vaccine Manufacturing Facilities

NCT00311649
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 and older
Enrollment
83 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
1
States / cities
Swiftwater, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 11, 2011 · Synced Sep 28, 2026, 3:58 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Comparison of Full-dose Flu Vaccine to Half-dose Flu Vaccine

NCT00283283
View directory record Official record
Conditions
Influenza
Interventions
Fluzone® (Aventis Pasteur inactivated influenza vaccine)
Biological
Lead sponsor
U.S. Army Medical Research and Development Command
Federal
Eligibility
18 Years to 64 Years
Enrollment
1,316 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2006
U.S. locations
2
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Feb 11, 2021 · Synced Sep 28, 2026, 3:58 PM 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 20, 2023 · Synced Sep 28, 2026, 3:58 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Seasonal Influenza HA DNA With Trivalent Inactivated Vaccine (TIV) Administered ID or IM in Healthy Adults 18-70 Years

NCT01676402
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
18 Years to 70 Years
Enrollment
316 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
4
States / cities
Stanford, California • Iowa City, Iowa • St Louis, Missouri + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 24, 2022 · Synced Sep 28, 2026, 3:58 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Study of a Combination Vaccine Comprised of Different Recombinant Spike Antigen Levels of a Matrix-M Adjuvanted Recombinant COVID-19 Vaccine and Recombinant Influenza Vaccine in Adult Participants 50 Years of Age and Older

NCT06695130
View directory record Official record
Conditions
COVID-19 Immunization, Influenza Immunization
Interventions
RIV (recombinant influenza vaccine), rC19 (dose 1), RIV + rC19 (dose 1), RIV + rC19 (dose 2), RIV + rC19 (dose 3), RIV + rC19 (dose 4), Placebo (0.9% NaCl)
Biological · Other
Lead sponsor
Sanofi
Industry
Eligibility
50 Years and older
Enrollment
980 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
12
States / cities
Phoenix, Arizona • Cerritos, California • Vista, California + 9 more
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Sep 28, 2026, 3:58 PM EDT
Recruiting Early Phase 1 Interventional

A Phase 0 Window of Opportunity Trial of Intratumoral Seasonal Influenza Immunization in Cutaneous Squamous Cell Carcinoma (CSCC) Patients Awaiting Curative Excision

NCT06664151
View directory record Official record
Conditions
Skin Cancer, Cutaneous Squamous Cell Carcinoma (CSCC), Cutaneous Squamous Cell Cancer
Interventions
Fluzone Trivalent
Biological
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 1, 2025 · Synced Sep 28, 2026, 3:58 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Fluarix/ FluLaval/ Fluarix Quadrivalent/ FluLaval Quadrivalent Vaccine Pregnancy Registry

NCT02148211
View directory record Official record
Conditions
Influenza
Interventions
Data collection
Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
Female only
Enrollment
507 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
Wilmington, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 11, 2020 · Synced Sep 28, 2026, 3:58 PM EDT
Completed Phase 4 Interventional Results available

H1N1 Influenza Vaccine Immunogenicity in HIV-1 Infected Patients

NCT01111162
View directory record Official record
Conditions
HIV Infections
Interventions
H1N1 vaccination
Biological
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 11, 2016 · Synced Sep 28, 2026, 3:58 PM EDT