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ClinicalTrials.gov public records Last synced Oct 19, 2026, 9:12 AM EDT

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Showing 1–24 of 73 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Influenza, Human Prevention Clear all
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Influenza Virus Vaccine Plus Vitamin A and D Supplements for Prevention of Respiratory Virus Infections in Children

NCT02649192
View directory record Official record
Conditions
Healthy Participants
Interventions
Influenza virus vaccine, Vitamins A and D, Placebo
Biological · Dietary Supplement · Other
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
2 Years to 8 Years
Enrollment
87 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 29, 2019 · Synced Oct 19, 2026, 9:12 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety, Tolerability and Immunogenicity of a Plant-Made H1 VLP Influenza Vaccine in Adults

NCT01302990
View directory record Official record
Conditions
Flu
Interventions
Dose given at Day 0
Biological
Lead sponsor
Medicago
Industry
Eligibility
18 Years to 49 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Rockville, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 16, 2013 · Synced Oct 19, 2026, 9:12 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Influenza Vaccination for Parents and Other Caregivers in the Pediatric Medical Home

NCT00812110
View directory record Official record
Conditions
Influenza
Interventions
Influenzae vaccine
Drug
Lead sponsor
Akron Children's Hospital
Other
Eligibility
18 Years and older
Enrollment
336 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Akron, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 23, 2013 · Synced Oct 19, 2026, 9:12 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Clinical Trial Assessing the Immunologic Response to a Influenza Vaccine Delivered Using an Jet Injection Device or a Needle Syringe

NCT01644149
View directory record Official record
Conditions
Influenza Prophylaxis
Interventions
Stratis Jet Injector, Needle and Syringe, 2011-2012 Fluzone trivalent inactivated influenza vaccine
Device · Biological
Lead sponsor
PharmaJet, Inc.
Industry
Eligibility
18 Years to 59 Years
Enrollment
83 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 20, 2019 · Synced Oct 19, 2026, 9:12 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Group Study of the Safety of and Immune Response to a Single Dose of Bird Flu Vaccine (H7N3) in Healthy Adults

NCT00853255
View directory record Official record
Conditions
Influenza, Virus Diseases
Interventions
Live Influenza A Vaccine H7N3 (6-2) AA ca Recombinant (A/chicken/British Columbia/CN-6/2004 x A/Ann Arbor/6/60 ca)
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jan 3, 2013 · Synced Oct 19, 2026, 9:12 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Single Group Study of the Safety of and Immune Response to a Bird Flu Vaccine (H7N3) in Healthy Adults

NCT00516035
View directory record Official record
Conditions
Influenza, Virus Diseases
Interventions
Live Influenza A Vaccine H7N3 (6-2) AA ca Recombinant (A/chicken/British Columbia/CN-6/2004 x A/Ann Arbor/6/60 ca)
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 18, 2015 · Synced Oct 19, 2026, 9:12 AM EDT
Completed Phase 1 Interventional

Poly-ICLC to Prevent Respiratory Viral Infections A Safety Study

NCT00646152
View directory record Official record
Conditions
Influenza, Severe Acute Respiratory Distress Syndrome, Smallpox, Ebola, Unknown Respiratory Viruses
Interventions
Poly-ICLC
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 70 Years
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 5, 2018 · Synced Oct 19, 2026, 9:12 AM 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 19, 2026, 9:12 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluating the Safety and Immunogenicity of a H7N9 Vaccine for the Prevention of Influenza H7N9 Disease in Adults 50 to 70 Years Old

NCT02274545
View directory record Official record
Conditions
Influenza A Virus, H7N9 Subtype
Interventions
H7N9 Anhui 2013/AA ca, Inactivated subvirion H7N9 vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
50 Years to 70 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2014
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Apr 19, 2017 · Synced Oct 19, 2026, 9:12 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Study to Evaluate the Safety of 3 New 6:2 Influenza Virus Reassortants in Adults for the 2015-2016 Season

NCT02473510
View directory record Official record
Conditions
Influenza, Healthy
Interventions
Trivalent Influenza Vaccine, Placebo
Biological · Other
Lead sponsor
MedImmune LLC
Industry
Eligibility
18 Years to 49 Years
Enrollment
301 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
3
States / cities
South Miami, Florida • Stockbridge, Georgia • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 28, 2016 · Synced Oct 19, 2026, 9:12 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Quadrivalent Influenza HA Stem Vaccine VRC-FLUMOS0122-00-VP (SteMos1) With and Without ALFQ Adjuvant in Healthy Adults

NCT07111078
View directory record Official record
Conditions
Influenza Prevention, Pandemic Influenza Prevention
Interventions
VRC-FLUMOS0122-00-VP, ALFQ
Biological · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 9, 2026 · Synced Oct 19, 2026, 9:12 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Evaluation of Alternative Oseltamivir (Tamiflu) Dosing Strategies.

NCT00304434
View directory record Official record
Conditions
Influenza
Interventions
Oseltamivir, Probenecid
Drug
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Sep 23, 2009 · Synced Oct 19, 2026, 9:12 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Evaluating the Dose, Safety, Tolerability, and Immunogenicity of Mosaic Hexavalent Influenza Vaccine VRCFLUMOS0116-00-VP (FluMos-v2) With and Without ALFQ Adjuvant in Healthy Adults

NCT06863142
View directory record Official record
Conditions
Influenza Prevention, Seasonal Influenza
Interventions
VRC-FLUMOS0116-00-VP, ALFQ
Biological · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 15, 2026 · Synced Oct 19, 2026, 9:12 AM EDT
Not listed Phase 1 Interventional Accepts healthy volunteers

Phase 1 Safety Study of Recombinant Influenza Vaccine for Prevention

NCT02015494
View directory record Official record
Conditions
Influenza
Interventions
VAX2012Q
Biological
Lead sponsor
VaxInnate Corporation
Industry
Eligibility
18 Years to 40 Years
Enrollment
316 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
4
States / cities
Lenexa, Kansas • Rochester, New York • Mt. Pleasant, South Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 6, 2015 · Synced Oct 19, 2026, 9:12 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Study on Two Adjuvanted Dose Levels of Panblok H7+MF59 Compared for Immunogenicity and Safety With an Unadjuvanted Dose of Panblok H7 in Participants 18 Years of Age and Older

NCT05608005
View directory record Official record
Conditions
Influenza, Healthy Volunteers
Interventions
Panblok + MF59 Dose 1, Panblok + MF59 Dose 2, Unadjuvanted Panblok Dose 3
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
18 Years and older
Enrollment
581 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
16
States / cities
Mesa, Arizona • Hallandale, Florida • Hollywood, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2025 · Synced Oct 19, 2026, 9:12 AM EDT
Not listed Phase 3 Interventional Accepts healthy volunteers

Bifidobacterium Lactis HN019 Supplementation for Prevention of Influenza Infection in Healthy Adults

NCT01258842
View directory record Official record
Conditions
Influenza
Interventions
Bifidobacterium lactis HN019, Placebo
Dietary Supplement
Lead sponsor
Fonterra Research Centre
Industry
Eligibility
18 Years to 60 Years
Enrollment
426 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
2
States / cities
Coral Gables, Florida • Rochester, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 13, 2010 · Synced Oct 19, 2026, 9:12 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Feasibility of Cocooning Immunization Strategy With Influenza Vaccine

NCT00570037
View directory record Official record
Conditions
Influenza
Interventions
Trivalent inactivated influenza vaccine
Biological
Lead sponsor
Duke University
Other
Eligibility
18 Years and older · Female only
Enrollment
544 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
2
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 24, 2013 · Synced Oct 19, 2026, 9:12 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of Three Dosage Levels of Swine Influenza Vaccine in Children Ages 3 to <9 Years, Adolescents 9 to <18 Years, Adults 18 to <65 Years and Elderly 65 Years and Older.

NCT01855945
View directory record Official record
Conditions
Prophylaxis of A/H3N2v Influenza
Interventions
Swine Influenza
Biological
Lead sponsor
Novartis Vaccines
Industry
Eligibility
3 Years to 92 Years
Enrollment
627 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
11
States / cities
Redding, California • Sacramento, California • Lenexa, Kansas + 8 more
Source: ClinicalTrials.gov public record
Updated Feb 17, 2016 · Synced Oct 19, 2026, 9:12 AM 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 27, 2016 · Synced Oct 19, 2026, 9:12 AM EDT
Completed Not applicable Interventional

Evaluation of the School Kids Influenza Prevention Project

NCT03307642
View directory record Official record
Conditions
Childhood Influenza Vaccination, School-located Influenza Vaccination
Interventions
Text message notification
Other
Lead sponsor
University of Rochester
Other
Eligibility
4 Years to 19 Years
Enrollment
18,540 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Mar 12, 2018 · Synced Oct 19, 2026, 9:12 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Study Comparing the Immune Response of Fluarix and Fluzone Influenza Vaccines

NCT00197288
View directory record Official record
Conditions
Influenza
Interventions
Influenza
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
1,847 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
15
States / cities
Clearwater, Florida • Evansville, Indiana • Baltimore, Maryland + 12 more
Source: ClinicalTrials.gov public record
Updated Jan 18, 2017 · Synced Oct 19, 2026, 9:12 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Evaluate the Shedding and Immunogencity of Different Formulations of FluMist in Children 24 to <48 Months of Age

NCT03143101
View directory record Official record
Conditions
Influenza, Healthy
Interventions
FluMist trivalent (2015-2016), FluMist Quadrivalent (2015-2016), FluMist Quadrivalent (2017-2018)
Biological
Lead sponsor
MedImmune LLC
Industry
Eligibility
24 Months to 47 Months
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
12
States / cities
Savannah, Georgia • Bardstown, Kentucky • St Louis, Missouri + 9 more
Source: ClinicalTrials.gov public record
Updated Dec 11, 2018 · Synced Oct 19, 2026, 9:12 AM EDT
Completed Phase 2 Interventional

Alternative Oseltamivir Dosing Strategies

NCT00334529
View directory record Official record
Conditions
Influenza
Interventions
Oseltamivir
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
4
States / cities
Los Angeles, California • Palo Alto, California • Bethesda, Maryland + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 19, 2026, 9:12 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

D2560C00015 FluMist Annual Safety Study 2018

NCT03564444
View directory record Official record
Conditions
Influenza, Healthy
Interventions
Bivalent 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
2018
U.S. locations
2
States / cities
Stockbridge, Georgia • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Dec 26, 2019 · Synced Oct 19, 2026, 9:12 AM EDT