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Showing 1–24 of 175 matching trials from the live ClinicalTrials.gov search.
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Completed Phase 1 Interventional Accepts healthy volunteers

Safety and Immunogenicity Study of Inactivated Nasal Influenza Vaccine NB-1008

NCT01333462
View directory record Official record
Conditions
Healthy Adult Volunteers
Interventions
NB-1008, Control
Biological · Other
Lead sponsor
NanoBio Corporation
Industry
Eligibility
18 Years to 49 Years
Enrollment
199 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Apr 11, 2011 · Synced Sep 2, 2026, 5:39 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Immunogenicity Trial of Egg- Versus Non-Egg-Based Influenza Vaccines Among HCP

NCT03722589
View directory record Official record
Conditions
Influenza
Interventions
Flublok, Flucelvax, Fluarix, Fluzone, Fluzone High-Dose
Biological
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
18 Years to 65 Years
Enrollment
944 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
2
States / cities
Portland, Oregon • Temple, Texas
Source: ClinicalTrials.gov public record
Updated Jul 21, 2024 · Synced Sep 2, 2026, 5:39 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Plasmablast Trafficking and Antibody Response in Influenza Vaccination (SLVP021 2011-2014)

NCT02141581
View directory record Official record
Conditions
Influenza
Interventions
Fluzone® (IM), Fluzone® Intradermal (ID), 2011-2012 FluMist®
Biological
Lead sponsor
Stanford University
Other
Eligibility
8 Years to 34 Years
Enrollment
86 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated May 6, 2018 · Synced Sep 2, 2026, 5:39 PM EDT
Completed Phase 3 Interventional Results available

A Study of Intravenously Administered Tamiflu (Oseltamivir) in Patients Over 13 Years of Age With Influenza

NCT01050257
View directory record Official record
Conditions
Influenza
Interventions
Oseltamivir IV, Oseltamivir Oral
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
13 Years and older
Enrollment
118 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
56
States / cities
Birmingham, Alabama • Montgomery, Alabama • Phoenix, Arizona + 47 more
Source: ClinicalTrials.gov public record
Updated Oct 31, 2013 · Synced Sep 2, 2026, 5:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Study of Seasonal Influenza Vaccine Against H5N1 Avian Influenza Virus

NCT01044095
View directory record Official record
Conditions
Influenza
Interventions
FluMist® live, attenuated, intranasal seasonal influenza vaccine, Fluzone® inactivated influenza virus vaccine
Biological
Lead sponsor
Armed Forces Research Institute of Medical Sciences, Thailand
Government
Eligibility
18 Years to 49 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
0
States / cities
Not listed
Source: ClinicalTrials.gov public record
Updated Jul 22, 2013 · Synced Sep 2, 2026, 5:39 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Assess the Safety & Immunogenicity of Stored Inactivated Influenza H5N1 Virus Vaccine Given With & Without Stored MF59 Adjuvant

NCT02680002
View directory record Official record
Conditions
A/Vietnam/H5N1 Influenza Virus
Interventions
7.5 mcg H5N1 (stored as monobulk), 15 mcg H5N1 (stored as monobulk), 90 mcg H5N1 (stored as monobulk), 90 mcg H5N1 (stored in vials), MF59, MF59 (stored as monobulk)
Biological · Other
Lead sponsor
Biomedical Advanced Research and Development Authority
Federal
Eligibility
18 Years to 49 Years
Enrollment
422 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
6
States / cities
Atlanta, Georgia • Council Bluffs, Iowa • Lenexa, Kansas + 3 more
Source: ClinicalTrials.gov public record
Updated Aug 30, 2020 · Synced Sep 2, 2026, 5:39 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

A Study to Determine the Immunogenicity and Safety Profile of CSL Limited's Influenza Virus Vaccine Compared to a US Licensed Comparator Influenza Virus Vaccine

NCT00735475
View directory record Official record
Conditions
Influenza
Interventions
CSL Limited Influenza Virus Vaccine (Afluria®), US Licensed Influenza Virus Vaccine (Fluzone®)
Biological
Lead sponsor
Seqirus
Industry
Eligibility
65 Years and older
Enrollment
1,268 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
13
States / cities
Mountain Home, Arkansas • Boise, Idaho • Iowa City, Iowa + 10 more
Source: ClinicalTrials.gov public record
Updated May 22, 2018 · Synced Sep 2, 2026, 5:39 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Immunogenicity of Influenza Vaccinations

NCT06518577
View directory record Official record
Conditions
Influenza
Interventions
Flucelvax® (ccIIV3), Flublok® (RIV3)
Biological
Lead sponsor
Duke University
Other
Eligibility
18 Years to 64 Years
Enrollment
606 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
7
States / cities
Phoenix, Arizona • Tempe, Arizona • Atlanta, Georgia + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 27, 2026 · Synced Sep 2, 2026, 5:39 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Safety and Immunogenicity of Quadrivalent Influenza mRNA Vaccine MRT5413 in Adult Participants18 Years of Age and Older

NCT05650554
View directory record Official record
Conditions
Influenza Immunization
Interventions
Quadrivalent Influenza mRNA Vaccine MRT5413, 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
682 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
28
States / cities
Chula Vista, California • Gardena, California • Long Beach, California + 24 more
Source: ClinicalTrials.gov public record
Updated Mar 18, 2025 · Synced Sep 2, 2026, 5:39 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Study of Fluzone® Quadrivalent, Fluzone® Intradermal, and Fluzone® High-Dose, Influenza Vaccines in Adults

NCT02258334
View directory record Official record
Conditions
Influenza
Interventions
Fluzone® Quadrivalent vaccine, 2014-2015 formulation, Fluzone I®ntradermal vaccine, 2014-2015 formulation, Fluzone High Dose vaccine, 2014-2015 formulation
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
18 Years and older
Enrollment
208 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
4
States / cities
Santa Rosa, California • Council Bluffs, Iowa • Metairie, Louisiana + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 18, 2015 · Synced Sep 2, 2026, 5:39 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Study of Inactivated, Split-Virion Influenza Vaccine Compared With Standard Fluzone Vaccine in Elderly Subjects

NCT00388583
View directory record Official record
Conditions
Orthomyxoviridae Infection, Influenza, Myxovirus Infection
Interventions
Split, Inactivated, Trivalent Influenza Vaccine
Biological
Lead sponsor
Sanofi
Industry
Eligibility
65 Years and older
Enrollment
817 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
17
States / cities
Alabaster, Alabama • Tucson, Arizona • Fountain Valley, California + 14 more
Source: ClinicalTrials.gov public record
Updated Apr 17, 2012 · Synced Sep 2, 2026, 5:39 PM EDT
Completed No phase listed Observational

Chart Review of Antivirals for Influenza in Infants

NCT00311701
View directory record Official record
Conditions
Influenza
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
Up to 11 Months
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
15
States / cities
Birmingham, Alabama • Pulaski, Arkansas • Orange, California + 12 more
Source: ClinicalTrials.gov public record
Updated May 12, 2011 · Synced Sep 2, 2026, 5:39 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

2010-2011 Trivalent Influenza Vaccine (TIV) in Pregnant Women

NCT01173211
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
18 Years to 39 Years · Female only
Enrollment
183 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
5
States / cities
St Louis, Missouri • Durham, North Carolina • Nashville, Tennessee + 2 more
Source: ClinicalTrials.gov public record
Updated Dec 23, 2014 · Synced Sep 2, 2026, 5:39 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 6, 2015 · Synced Sep 2, 2026, 5:39 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study of Fluzone Vaccine Administered by Intradermal Route in Comparison With Standard Fluzone® in Adults

NCT00772109
View directory record Official record
Conditions
Orthomyxoviridae Infection, Influenza, Myxovirus Infection
Interventions
Influenza Virus Vaccine USP Trivalent Types A and B
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
18 Years to 64 Years
Enrollment
4,292 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
46
States / cities
Hoover, Alabama • Huntsville, Alabama • Mobile, Alabama + 40 more
Source: ClinicalTrials.gov public record
Updated Apr 13, 2016 · Synced Sep 2, 2026, 5:39 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

T-cell And General Immune Response to Seasonal Influenza Vaccine (SLVP018) - Year 1, 2009

NCT01987349
View directory record Official record
Conditions
Influenza
Interventions
Fluzone® (intramuscular), FluMist® (intranasal)
Biological
Lead sponsor
Stanford University
Other
Eligibility
8 Years to 100 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated May 11, 2017 · Synced Sep 2, 2026, 5:39 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study Comparing the Immune Response and Safety of Fluarix and Fluzone Influenza Vaccines in Children

NCT00383123
View directory record Official record
Conditions
Influenza
Interventions
Fluarix™, Fluzone
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
6 Months to 17 Years
Enrollment
3,327 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
40
States / cities
Antioch, California • Fairfield, California • Fresno, California + 35 more
Source: ClinicalTrials.gov public record
Updated Jun 7, 2018 · Synced Sep 2, 2026, 5:39 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 13, 2015 · Synced Sep 2, 2026, 5:39 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Vaccine Efficacy in Diabetic and Elderly Patients

NCT02675608
View directory record Official record
Conditions
Inflammation
Interventions
Influenza Virus Vaccine
Biological
Lead sponsor
Tulane University
Other
Eligibility
18 Years and older
Enrollment
164 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2015
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Jan 12, 2017 · Synced Sep 2, 2026, 5:39 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Study of Influenza Vaccine Revaccination in Healthy Adults Previously Vaccinated With Fluzone ID or Fluzone IM

NCT01011049
View directory record Official record
Conditions
Influenza
Interventions
Influenza Virus Vaccine USP Trivalent Types A and B
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
18 Years to 64 Years
Enrollment
1,250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
44
States / cities
Hoover, Alabama • Huntsville, Alabama • Mobile, Alabama + 38 more
Source: ClinicalTrials.gov public record
Updated Apr 13, 2016 · Synced Sep 2, 2026, 5:39 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Influenza Vaccine in Pregnant Women

NCT00905125
View directory record Official record
Conditions
Influenza
Interventions
Fluzone®, Fluarix®
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 39 Years · Female only
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
9
States / cities
Atlanta, Georgia • Iowa City, Iowa • Baltimore, Maryland + 6 more
Source: ClinicalTrials.gov public record
Updated Jun 12, 2012 · Synced Sep 2, 2026, 5:39 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Study of Fluzone® Influenza Virus Vaccine 2011-2012 Formulation (Intramuscular Route) Among Adults

NCT01430819
View directory record Official record
Conditions
Influenza
Interventions
Influenza Virus Vaccine: Fluzone® 2011-2012 Formulation, Influenza Virus Vaccine: Fluzone® High-Dose 2011-2012 Formulation
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
65 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
6
States / cities
Colorado Springs, Colorado • Council Buffs, Iowa • Metairie, Louisiana + 3 more
Source: ClinicalTrials.gov public record
Updated May 26, 2013 · Synced Sep 2, 2026, 5:39 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 23, 2025 · Synced Sep 2, 2026, 5:39 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Phase IV Trial to Determine the Safety and Immunogenicity of the WHO Formulation of the 2006-2007 Fluzone® Vaccine

NCT00389532
View directory record Official record
Conditions
Influenza
Interventions
Influenza Virus Vaccine (2006-2007 Fluzone® vaccine)
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
18 Years and older
Enrollment
116 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 13, 2016 · Synced Sep 2, 2026, 5:39 PM EDT