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ClinicalTrials.gov public records Last synced Oct 23, 2026, 10:14 PM EDT

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Showing 985–1008 of 1,140 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Flu Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

Immune Response to Vaccination in Patients Receiving Single Drug Immunosuppression

NCT01733056
View directory record Official record
Conditions
Immunosuppression
Interventions
Flu Vaccine
Biological
Lead sponsor
Emory University
Other
Eligibility
18 Years to 89 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
2
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 21, 2014 · Synced Oct 23, 2026, 10:14 PM 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 23, 2026, 10:14 PM EDT
Completed Not applicable Interventional

Personalized Nudging to Increase Influenza Vaccinations

NCT06566534
View directory record Official record
Conditions
Influenza, Human
Interventions
Reminder
Behavioral
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years and older
Enrollment
77,482 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 16, 2025 · Synced Oct 23, 2026, 10:14 PM EDT
Completed Not applicable Interventional

Clinical Evaluation of the Panbio™ COVID-19/Flu A&B Panel

NCT06127108
View directory record Official record
Conditions
COVID-19, Influenza A, Influenza B
Interventions
Panbio™
Diagnostic Test
Lead sponsor
Abbott Rapid Dx
Industry
Eligibility
2 Years and older
Enrollment
447 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Vienna, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 25, 2024 · Synced Oct 23, 2026, 10:14 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Influenza Immunization in Adults Over Age 75

NCT02200276
View directory record Official record
Conditions
Influenza, Immunization, Older Adults, Over Age 75
Interventions
Influenza
Biological
Lead sponsor
Johns Hopkins University
Other
Eligibility
75 Years and older
Enrollment
1,025 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 16, 2026 · Synced Oct 23, 2026, 10:14 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of Different Formulations of Monovalent Influenza A/Astrakhan/3212/2020 Like (H5N8) Virus Vaccine With AS03 Adjuvant System in Medically Stable Adults

NCT05975840
View directory record Official record
Conditions
Influenza, Human
Interventions
FLU Q-PAN H5N8 375_B, FLU Q-PAN H5N8 375_A, FLU Q-PAN H5N8 750_B, FLU Q-PAN H5N8 750_A
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
518 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
20
States / cities
Anniston, Alabama • Mobile, Alabama • Tempe, Arizona + 17 more
Source: ClinicalTrials.gov public record
Updated Aug 19, 2025 · Synced Oct 23, 2026, 10:14 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 8, 2025 · Synced Oct 23, 2026, 10:14 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Safety and Efficacy Study of Nitazoxanide in the Treatment of Acute Uncomplicated Influenza

NCT01227421
View directory record Official record
Conditions
Influenza
Interventions
Nitazoxanide, Placebo
Drug
Lead sponsor
Romark Laboratories L.C.
Industry
Eligibility
12 Years to 65 Years
Enrollment
624 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Elmira, New York
Source: ClinicalTrials.gov public record
Updated Oct 12, 2023 · Synced Oct 23, 2026, 10:14 PM EDT
Completed Phase 3 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 in a Pediatric Population

NCT00959049
View directory record Official record
Conditions
Influenza
Interventions
CSL's Influenza Virus Vaccine (Afluria), Influenza Virus Vaccine (Fluzone)
Biological
Lead sponsor
Seqirus
Industry
Eligibility
6 Months to 17 Years
Enrollment
1,474 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
23
States / cities
Chandler, Arizona • Harrisburg, Arkansas • Jonesboro, Arkansas + 16 more
Source: ClinicalTrials.gov public record
Updated May 16, 2017 · Synced Oct 23, 2026, 10:14 PM EDT
Active, not recruiting Phase 4 Interventional Accepts healthy volunteers

B Cell and Antibody Response to Seasonal Influenza Vaccines in Younger and Older Adults

NCT04101838
View directory record Official record
Conditions
Influenza
Interventions
Fluzone, Flucelvax, Fluzone High-Dose, Fluad
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 80 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Oct 23, 2026, 10:14 PM EDT
Active, not recruiting Phase 2 Interventional

High vs. Standard Dose Influenza Vaccine in Adult SOT Recipients

NCT04613206
View directory record Official record
Conditions
Immunization; Infection, Transplantation Infection, Influenza, Solid Organ Transplant
Interventions
High Dose Quadrivalent Inactivated Influenza Vaccine, Standard Dose Quadrivalent Inactivated Influenza Vaccine
Biological
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
396 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Oct 23, 2026, 10:14 PM EDT
Suspended Phase 3 Interventional

Prospective Evaluation of the Fluid Rapid Influenza Test

NCT00826709
View directory record Official record
Conditions
Influenza
Interventions
fluID Rapid Influenza Test
Device
Lead sponsor
Nanogen, Inc.
Industry
Eligibility
Not listed
Enrollment
1,300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2009
U.S. locations
12
States / cities
San Diego, California • DeLand, Florida • Shreveport, Louisiana + 8 more
Source: ClinicalTrials.gov public record
Updated Apr 15, 2009 · Synced Oct 23, 2026, 10:14 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Innate and Acquired Immunity to Influenza Infection and Immunization (SLVP029)

NCT03028974
View directory record Official record
Conditions
Influenza
Interventions
Fluzone®, FluMist®
Biological
Lead sponsor
Stanford University
Other
Eligibility
6 Months to 49 Years
Enrollment
77 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Dec 14, 2018 · Synced Oct 23, 2026, 10:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Resistance Exercise to Improve Flu Vaccine for Older Adults

NCT03736759
View directory record Official record
Conditions
Influenza, Human
Interventions
Exercise
Behavioral
Lead sponsor
University of Houston
Other
Eligibility
65 Years and older
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 17, 2022 · Synced Oct 23, 2026, 10:14 PM EDT
Completed No phase listed Observational

Evaluation of COVID-19 and Flu A/B 3 in 1 Combo Rapid Test

NCT07190131
View directory record Official record
Conditions
COVID - 19, Influenza A, Influenza B
Interventions
Investigational Flu A/B And Covid-19 Diagnostic Test
Diagnostic Test
Lead sponsor
iHealth Labs inc
Industry
Eligibility
2 Years and older
Enrollment
588 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
14
States / cities
Birmingham, Alabama • Trussville, Alabama • Dublin, California + 10 more
Source: ClinicalTrials.gov public record
Updated Jan 8, 2026 · Synced Oct 23, 2026, 10:14 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Influenza Vaccine in Lung Transplant Patients - Seroprotection

NCT04531657
View directory record Official record
Conditions
Influenza
Interventions
Influenza vaccine
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
79 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 23, 2026, 10:14 PM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

Effect of Influenza Vaccination on Donor Egg Recipient Outcomes

NCT02946177
View directory record Official record
Conditions
Infertility, Recurrent Miscarriage
Interventions
Influenza Vaccine, Sterile Saline
Biological · Other
Lead sponsor
Center for Human Reproduction
Other
Eligibility
21 Years to 45 Years · Female only
Enrollment
126 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 18, 2020 · Synced Oct 23, 2026, 10:14 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A/H5N1 Dose Ranging Study With Adjuvant Patch

NCT00532792
View directory record Official record
Conditions
Pandemic Influenza
Interventions
A/H5N1, Placebo
Biological
Lead sponsor
Intercell USA, Inc.
Industry
Eligibility
18 Years to 49 Years
Enrollment
501 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
5
States / cities
Vallejo, California • Miami, Florida • Kansas City, Kansas + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 14, 2012 · Synced Oct 23, 2026, 10:14 PM EDT
Completed Phase 2 Interventional Results available

Safety of and Immune Response to an H1N1 Influenza Virus Vaccine in HIV Infected Children and Youth

NCT00992836
View directory record Official record
Conditions
HIV Infections, H1N1 Influenza Virus
Interventions
Influenza A (H1N1) 2009 monovalent vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
4 Years to 25 Years
Enrollment
155 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
35
States / cities
Birmingham, Alabama • Alhambra, California • La Jolla, California + 25 more
Source: ClinicalTrials.gov public record
Updated Nov 5, 2021 · Synced Oct 23, 2026, 10:14 PM EDT
Completed Phase 2 Interventional

Studies of Influenza Vaccine and Tetanus-Pneumococcal Vaccine in HIV-infected Patients Receiving Interleukin-2

NCT00050726
View directory record Official record
Conditions
HIV Infections
Interventions
Interleukin-2
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
620 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2006
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 21, 2013 · Synced Oct 23, 2026, 10:14 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A/H5N1/LT Dose Ranging Study

NCT00908687
View directory record Official record
Conditions
Pandemic Influenza
Interventions
A/H5N1, LT Adjuvant Patch
Biological
Lead sponsor
Intercell USA, Inc.
Industry
Eligibility
18 Years to 49 Years
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
6
States / cities
Anaheim, California • Vallejo, California • Miami, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Dec 10, 2021 · Synced Oct 23, 2026, 10:14 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 14, 2016 · Synced Oct 23, 2026, 10:14 PM EDT
Completed Phase 2 Interventional Results available

Reduced Intensity Flu/Mel/TBI Conditioning for HAPLO HCT Patients With Hematologic Malignancies

NCT04191187
View directory record Official record
Conditions
Acute Myeloid Leukemia, Acute Lymphoblastic Leukemia, Biphenotypic Acute Leukemia, Undifferentiated Leukemia, Prolymphocytic Leukemia, Myelodysplastic Syndromes, Chronic Myelogenous Leukemia, Myeloproliferative Neoplasm, Relapsed Large Cell Lymphoma, Mantle Cell Lymphoma, Hodgkin Lymphoma, Burkitt Lymphoma, Relapsed T-Cell Lymphoma, Relapsed Chronic Lymphocytic Leukemia, Relapsed Small Lymphocytic Lymphoma, Relapsed Marginal B-cell Lymphoma, Relapsed Follicular Lymphoma, Lymphoplasmacytic Lymphoma
Interventions
Fludarabine, Melphalan, Total Body Irradiation
Drug · Radiation
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Dec 11, 2025 · Synced Oct 23, 2026, 10:14 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 18, 2024 · Synced Oct 23, 2026, 10:14 PM EDT