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ClinicalTrials.gov public records Last synced Oct 21, 2026, 9:36 AM EDT

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Showing 97–120 of 1,140 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: FLU Clear all
Not listed Phase 4 Interventional Accepts healthy volunteers

Effect of Influenza Vaccination on IVF Outcomes - IVF

NCT02947217
View directory record Official record
Conditions
Infertility
Interventions
Influenza Vaccine, Sterile Saline
Biological · Other
Lead sponsor
Center for Human Reproduction
Other
Eligibility
21 Years to 38 Years · Female only
Enrollment
238 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 10, 2022 · Synced Oct 21, 2026, 9:36 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Experimental AD4-H5-VTN Vaccine in Healthy Volunteers

NCT01443936
View directory record Official record
Conditions
H5N1 Influenza
Interventions
Ad4-H5-VTN vaccination-tonsillar route, Ad4-H5-vaccination-oral route
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2019
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 16, 2019 · Synced Oct 21, 2026, 9:36 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Assessing Choice in the Employer Setting (ACES) Study

NCT00808808
View directory record Official record
Conditions
Healthy
Interventions
Choice of TIV or FluMist with baseline advertisement, Choice of TIV or FluMist with enhanced advertisement and incentives, Control - Usual care offering TIV only with baseline advertisement
Biological · Other
Lead sponsor
MedImmune LLC
Industry
Eligibility
18 Years and older
Enrollment
4,411 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
47
States / cities
Chatsworth, California • Novato, California • Sacramento, California + 34 more
Source: ClinicalTrials.gov public record
Updated Nov 20, 2013 · Synced Oct 21, 2026, 9:36 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

NK Cell Mediated Influenza Immunity During Pregnancy

NCT03196245
View directory record Official record
Conditions
Pregnancy Related, Influenza, Human
Interventions
There is no intervention.
Other
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
94 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2019
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Jul 14, 2023 · Synced Oct 21, 2026, 9:36 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 21, 2026, 9:36 AM EDT
Completed Phase 4 Interventional Results available

High Dose Influenza Vaccine in Nursing Home - Pilot Study

NCT01720277
View directory record Official record
Conditions
Influenza
Interventions
HD Fluzone Vaccine, SD Fluzone Vaccine
Biological
Lead sponsor
Insight Therapeutics, LLC
Other
Eligibility
65 Years and older
Enrollment
2,957 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
2
States / cities
Providence, Rhode Island • Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated May 23, 2018 · Synced Oct 21, 2026, 9:36 AM EDT
Completed Not applicable Interventional Results available

A Digital Flu Intervention for People With Cardiovascular Conditions

NCT04584645
View directory record Official record
Conditions
Cardiovascular Diseases, Atrial Fibrillation, Abnormal Heart Rhythms, Cardiac Arrest, Heart Attack, Myocardial Infarction, Coronary Heart Disease, Heart Failure, Stroke, Cerebrovascular Accident
Interventions
Targeted digital intervention
Other
Lead sponsor
Evidation Health
Industry
Eligibility
18 Years and older
Enrollment
49,138 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
San Mateo, California
Source: ClinicalTrials.gov public record
Updated Jun 21, 2022 · Synced Oct 21, 2026, 9:36 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

A Laboratory Evaluation of the Humoral Immune Response in Adults and Children to the H1 Hemagglutinin (HA) Stalk Domain and Other Influenza A Virus Protein Epitopes, After Administration of GlaxoSmithKline (GSK) Biologicals' Pandemic Influenza Vaccines

NCT02415842
View directory record Official record
Conditions
Immunologic Tests
Interventions
Serum samples
Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
6 Months to 64 Years
Enrollment
414 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 23, 2019 · Synced Oct 21, 2026, 9:36 AM EDT
Completed No phase listed Observational

Detection of Influenza A, Influenza B, and RSV Using the Liat™ Assays on the Liat™ Analyzer

NCT02067286
View directory record Official record
Conditions
Influenza A, Influenza B, Respiratory Syncytial Virus (RSV)
Interventions
Not listed
Lead sponsor
IQuum, Inc.
Industry
Eligibility
Not listed
Enrollment
1,642 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
8
States / cities
Delray Beach, Florida • Savannah, Georgia • Indianapolis, Indiana + 5 more
Source: ClinicalTrials.gov public record
Updated Aug 31, 2016 · Synced Oct 21, 2026, 9:36 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Peds Sanofi H1N1 Influenza Vaccine Administered at Two Dose Levels

NCT00944073
View directory record Official record
Conditions
Influenza
Interventions
Influenza Virus Vaccine, Monovalent A/H1N1 A/California/7/2009 NYMC X-179A
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
6 Months to 17 Years
Enrollment
583 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
9
States / cities
Baltimore, Maryland • Kansas City, Missouri • St Louis, Missouri + 6 more
Source: ClinicalTrials.gov public record
Updated Feb 18, 2015 · Synced Oct 21, 2026, 9:36 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Comparative Study of Influenza Vaccines in Adults, FLUVACS-year 4

NCT00538512
View directory record Official record
Conditions
Influenza
Interventions
Fluzone, Flumist, Physiologic saline
Biological · Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 49 Years
Enrollment
1,952 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
4
States / cities
Ann Arbor, Michigan • Kalamazoo, Michigan • Mount Pleasant, Michigan + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 6, 2017 · Synced Oct 21, 2026, 9:36 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Collection of Serum Samples From Children and Older Adults Receiving the 2019-2020 Formulations of Fluzone® Quadrivalent and Fluzone® High-Dose Influenza Vaccines, Respectively

NCT04109222
View directory record Official record
Conditions
Influenza
Interventions
Fluzone Quadrivalent vaccine, no preservative (0.5-mL), 2019-2020 formulation, Fluzone High-Dose vaccine, 2019-2020 formulation
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
6 Months to 83 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
2
States / cities
Bardstown, Kentucky • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Sep 12, 2025 · Synced Oct 21, 2026, 9:36 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Study to Learn About a Combined COVID-19 and Influenza Shot in Healthy Adults

NCT06237049
View directory record Official record
Conditions
Influenza, Human, SARS-CoV-2 Infection, COVID-19
Interventions
BNT162b2 (Omi XBB.1.5)/RIV, BNT162b2 (Omi XBB.1.5), RIV, Normal saline placebo
Biological · Other
Lead sponsor
Pfizer
Industry
Eligibility
50 Years and older
Enrollment
644 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
30
States / cities
Lake Forest, California • Tustin, California • Walnut Creek, California + 22 more
Source: ClinicalTrials.gov public record
Updated Sep 30, 2025 · Synced Oct 21, 2026, 9:36 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study on the Immune Response and Safety Elicited by a Vaccine Against Respiratory Syncytial Virus (RSV) When Given Alone and Together With a Vaccine Against Influenza in Adults Aged 65 Years and Above

NCT05559476
View directory record Official record
Conditions
Respiratory Syncytial Virus Infections
Interventions
RSVPreF3 OA investigational vaccine, FLU HD vaccine
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
65 Years and older
Enrollment
1,029 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
46
States / cities
Birmingham, Alabama • Tempe, Arizona • Canoga Park, California + 41 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2024 · Synced Oct 21, 2026, 9:36 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

A Study of mRNA-1020 and mRNA-1030 Seasonal Influenza Vaccines in Healthy Adults

NCT05333289
View directory record Official record
Conditions
Seasonal Influenza
Interventions
mRNA-1030, mRNA-1020, mRNA-1010, Active Comparator
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
572 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
15
States / cities
Phoenix, Arizona • Coral Gables, Florida • Jupiter, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Feb 1, 2024 · Synced Oct 21, 2026, 9:36 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Safety, Reactogenicity, and Immunogenicity of Inactivated Influenza A/H7/N7 Vaccine in Healthy Adults

NCT00546585
View directory record Official record
Conditions
Influenza
Interventions
Influenza A/H7N7 Vaccine, Placebo
Biological · Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 40 Years
Enrollment
126 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 23, 2013 · Synced Oct 21, 2026, 9:36 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Immunogenicity of a Quadrivalent Virus-Like Particles (VLP) Influenza Vaccine in Healthy Adults

NCT02768805
View directory record Official record
Conditions
Virus Diseases, RNA Virus Infections, Respiratory Tract Diseases, Respiratory Tract Infections
Interventions
15 µg/strain of Quadrivalent VLP Vaccine, 30 µg/strain of Quadrivalent VLP Vaccine, 15 µg/strain of the licensed quadrivalent vaccine
Biological
Lead sponsor
Medicago
Industry
Eligibility
18 Years to 64 Years
Enrollment
900 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
3
States / cities
Hollywood, Florida • South Miami, Florida • Endwell, New York
Source: ClinicalTrials.gov public record
Updated Jun 11, 2020 · Synced Oct 21, 2026, 9:36 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Influenza Vaccine in Lung Transplant Patients

NCT00205270
View directory record Official record
Conditions
Influenza
Interventions
Influenza vaccine
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
126 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2009
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 23, 2020 · Synced Oct 21, 2026, 9:36 AM EDT
Not listed Phase 3 Interventional Accepts healthy volunteers

Study of the Protective Effect of an Injectable Influenza Vaccine Against Influenza Illness in Adults Under 50 y.o.

NCT00216242
View directory record Official record
Conditions
Influenza
Interventions
Influenza virus vaccine (Fluviral), Saline placebo
Biological
Lead sponsor
ID Biomedical Corporation, Quebec
Industry
Eligibility
18 Years to 49 Years
Enrollment
7,400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
43
States / cities
Sacramento, California • San Francisco, California • Denver, Colorado + 34 more
Source: ClinicalTrials.gov public record
Updated Dec 11, 2006 · Synced Oct 21, 2026, 9:36 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of Fluzone® Quadrivalent and Fluzone® High-Dose, Influenza Vaccines, 2016-2017 Formulations

NCT02908269
View directory record Official record
Conditions
Influenza
Interventions
Fluzone Quadrivalent vaccine, 2016-2017 formulation, No Preservative, Fluzone High-Dose, vaccine, 2016-2017 formulation
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
3 Years and older
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
2
States / cities
Bardstown, Kentucky • Metairie, Louisiana
Source: ClinicalTrials.gov public record
Updated Mar 29, 2022 · Synced Oct 21, 2026, 9:36 AM EDT
Completed Phase 2 Interventional Results available

Study of High-dose Influenza Vaccine Efficacy by Repeated Dosing IN Gammopathy Patients

NCT02566265
View directory record Official record
Conditions
Influenza, Multiple Myeloma, Waldenstrom's Macroglobulinemia, Plasma Cell Disorders, MGUS
Interventions
Fluzone High Dose Vaccine, Standard of care/Placebo
Biological
Lead sponsor
Yale University
Other
Eligibility
18 Years to 90 Years
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 30, 2019 · Synced Oct 21, 2026, 9:36 AM 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 High-Dose Inactivated Influenza Vaccine in Adult Participants 50 Years of Age and Older

NCT06695117
View directory record Official record
Conditions
COVID-19 Immunization, Influenza Immunization
Interventions
IIV-HD, rC19 (dose 1), IIV-HD + rC19 (dose 1), IIV-HD + rC19 (dose 2), IIV-HD + rC19 (dose 3), IIV-HD + 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
Birmingham, Alabama • Huntsville, Alabama • Tucson, Arizona + 9 more
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Oct 21, 2026, 9:36 AM 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 12, 2011 · Synced Oct 21, 2026, 9:36 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

A Study to Assess the Safety and Immune Response of a Vaccine Against Influenza in Healthy Younger and Older Adults

NCT05823974
View directory record Official record
Conditions
Influenza, Human
Interventions
F2C22C/DL001Z, F2B22A/DL001Z, F2B22B/DL001Z, F2B22C/DL001Z, F2B22D/DL001Z, F2B22E/DL001Z, F2F22A/DL001Z, F2F22B/DL001Z, F2F22C/DL001Z, F2F22D/DL001Z, F2F22E/DL001Z, Control 1, F2F23D/DL001Z-NH, F2F23A/DL001Z-NH, F2F23B/DL001Z-NH, Control 2, F2F23C/DL001Z-NH, Control 3, F2F22F/DL001Z
Biological · Combination Product
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 85 Years
Enrollment
1,275 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
24
States / cities
Hialeah, Florida • Miami, Florida • Chicago, Illinois + 21 more
Source: ClinicalTrials.gov public record
Updated Jul 23, 2025 · Synced Oct 21, 2026, 9:36 AM EDT