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ClinicalTrials.gov public records Last synced Oct 14, 2026, 12:00 AM EDT

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Showing 169–192 of 1,124 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Influenza Virus Vaccine Clear all
Withdrawn No phase listed Observational

B-Cell Hematologic Malignancy Vaccination Registry

NCT02298816
View directory record Official record
Conditions
Monoclonal Gammopathy of Undetermined Significance, Multiple Myeloma, Waldenstrom Macroglobulinemia, Lymphocytosis, Lymphoma, Non-Hodgkin, B-Cell Chronic Lymphocytic Leukemia, Hematological Malignancies
Interventions
Not listed
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2025
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 3, 2024 · Synced Oct 14, 2026, 12:00 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Improving Influenza Vaccination Rates Among Health Care Professionals

NCT00404664
View directory record Official record
Conditions
Influenza
Interventions
influenza vaccine, reminders letters, raffle prize
Behavioral
Lead sponsor
The Cleveland Clinic
Other
Eligibility
Not listed
Enrollment
800 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2005
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 29, 2006 · Synced Oct 14, 2026, 12:00 AM EDT
Completed Phase 4 Interventional Results available

ED Influenza Therapeutic Pilot Study: Oseltamivir vs. Peramivir

NCT02609399
View directory record Official record
Conditions
Influenza
Interventions
Oseltamivir, Peramivir
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 100 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
2
States / cities
Phoenix, Arizona • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 4, 2019 · Synced Oct 14, 2026, 12:00 AM EDT
Completed Phase 2 Interventional Results available

Safety, Tolerability and Clinical Effect of Danirixin in Adults With Influenza

NCT02469298
View directory record Official record
Conditions
Virus Diseases
Interventions
GSK1325756 (Danirixin), Placebo To Match GSK1325756, Oseltamivir Phosphate, Placebo To Match Oseltamivir Phosphate
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 64 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
5
States / cities
Palmetto Bay, Florida • Blackfoot, Idaho • Oklahoma City, Oklahoma + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 23, 2019 · Synced Oct 14, 2026, 12:00 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effects of Aging on Primary and Secondary Vaccine Responses

NCT03312699
View directory record Official record
Conditions
Influenza, Hepatitis A, Typhoid, Healthy Adults
Interventions
Fluzone® quadrivalent, Fluzone High Dose, Fluad, Vaqta, Typhim Vi, Vivotif
Biological
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2023
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Dec 16, 2024 · Synced Oct 14, 2026, 12:00 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity Study of GSK Biologicals' Seasonal Influenza Candidate Vaccine (GSK2321138A)

NCT01204671
View directory record Official record
Conditions
Influenza
Interventions
Influenza vaccine GSK2321138A, FluarixTM, Influenza vaccine GSK2604409A
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
4,659 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
10
States / cities
Chandler, Arizona • Miami, Florida • Newton, Kansas + 7 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2018 · Synced Oct 14, 2026, 12:00 AM EDT
Completed No phase listed Observational

Study to Determine if the Flu Vaccine Increases the Risk of Muscle Damage in Participants Taking Drugs That Block Certain Proteins Made by Some Types of Immune System Cells

NCT03644498
View directory record Official record
Conditions
Cancer
Interventions
Non-Interventional
Other
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years and older
Enrollment
1,056 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Princeton, New Jersey
Source: ClinicalTrials.gov public record
Updated Jan 18, 2024 · Synced Oct 14, 2026, 12:00 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Assessment of Self-Collected Sample Compared to Clinician Collected Sample in COVID-19 and Influenza Program

NCT04681950
View directory record Official record
Conditions
Subjects Possibly Exposed to COVID-19
Interventions
Not listed
Lead sponsor
Biocerna LLC
Industry
Eligibility
Not listed
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Fulton, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 23, 2020 · Synced Oct 14, 2026, 12:00 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Dose, Safety, Tolerability and Immunogenicity of an Influenza H1 Stabilized Stem Ferritin Vaccine in Healthy Adults

NCT03814720
View directory record Official record
Conditions
Influenza Infection
Interventions
VRC-FLUNPF099-00-VP (H1ssF_3928)
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 70 Years
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 29, 2022 · Synced Oct 14, 2026, 12:00 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Influenza Vaccine Revaccination in Ambulatory Elderly Subjects

NCT00775450
View directory record Official record
Conditions
Influenza, Orthomyxovirus Infection, Myxovirus Infection
Interventions
Influenza Virus Vaccine USP Trivalent Types A and B
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
65 Years and older
Enrollment
807 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
28
States / cities
Hoover, Alabama • Mobile, Alabama • Chandler, Arizona + 24 more
Source: ClinicalTrials.gov public record
Updated Dec 31, 2013 · Synced Oct 14, 2026, 12:00 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Inactivated Influenza Vaccine Delivered by Microneedle Patch or by Hypodermic Needle

NCT02438423
View directory record Official record
Conditions
Influenza
Interventions
Inactivated influenza vaccine, Placebo
Biological · Other
Lead sponsor
Mark Prausnitz
Other
Eligibility
18 Years to 49 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Decatur, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 5, 2019 · Synced Oct 14, 2026, 12:00 AM EDT
Enrolling by invitation Not applicable Interventional

Patient-Centered Practical Vaccine Talk For Busy Clinicians

NCT07651761
View directory record Official record
Conditions
Influenza, COVID-19
Interventions
Provider communication training
Other
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years and older
Enrollment
24,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 29, 2026 · Synced Oct 14, 2026, 12:00 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 14, 2026, 12:00 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

First-in-Human Clinical Trial of a Mosaic Quadrivalent Influenza Vaccine Compared With a Licensed Inactivated Seasonal QIV in Healthy Adults

NCT04896086
View directory record Official record
Conditions
Influenza, Seasonal Influenza
Interventions
VRC-GENADJ0110-AP-NV (Adjuplex), Flucelvax, VRC-FLUMOS0111-00-VP (FluMos-v1)
Drug · Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 27, 2025 · Synced Oct 14, 2026, 12:00 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

REDucing Influenza Among University Students, University of California at Berkeley

NCT00448773
View directory record Official record
Conditions
Influenza-like Illness, Influenza
Interventions
Online education
Behavioral
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
17 Years and older
Enrollment
3,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated Jan 7, 2010 · Synced Oct 14, 2026, 12:00 AM EDT
Completed No phase listed Observational

Influenza Vaccine in Premature Infants

NCT00455169
View directory record Official record
Conditions
Influenza, Infant, Premature
Interventions
Trivalent Inactivated Influenza Vaccine
Biological
Lead sponsor
University of Rochester
Other
Eligibility
6 Months to 17 Months
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
5
States / cities
Miami, Florida • Buffalo, New York • Rochester, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 17, 2015 · Synced Oct 14, 2026, 12:00 AM EDT
Terminated Not applicable Interventional Results available

Patient Portal Flu Vaccine Reminders_RCT 4

NCT05052190
View directory record Official record
Conditions
Influenza, Respiratory Tract Infections
Interventions
Text Message R/R with Direct Appointment Schedule Link, Text Message R/R without Direct Appointment Schedule Link, Text Pre-Appointment Reminder, Portal Message R/R with Direct Appointment Schedule Link, Portal Message R/R without Direct Appointment Schedule Link, Portal Pre-Appointment Reminder
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
6 Months and older
Enrollment
239,567 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 11, 2025 · Synced Oct 14, 2026, 12:00 AM EDT
Withdrawn No phase listed Observational

2009 H1N1 Pandemic and Seasonal Influenza in SCI/D: Infection Control Strategies

NCT01270685
View directory record Official record
Conditions
Influenza
Interventions
Not listed
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 89 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Hines, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 26, 2015 · Synced Oct 14, 2026, 12:00 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Preparedness Through Respiratory Virus Epidemiology and Community Engagement

NCT07147517
View directory record Official record
Conditions
Respiratory Infection Virus, COVID -19, RSV, FLU
Interventions
Component A0, Component A1, Component A2, Component B
Other
Lead sponsor
University of California, San Diego
Other
Eligibility
Not listed
Enrollment
25,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2030
U.S. locations
2
States / cities
La Jolla, California • San Ysidro, California
Source: ClinicalTrials.gov public record
Updated Nov 4, 2025 · Synced Oct 14, 2026, 12:00 AM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Pivotal, Multicenter, Observer-Blind, Randomized Study of Influenza A (H1N1)2009 Monovalent Subunit Vaccine With and Without Adjuvant in Children Ages 6 to <36 Months

NCT00996307
View directory record Official record
Conditions
Influenza
Interventions
MF59-eH1N1_f
Biological
Lead sponsor
Novartis Vaccines
Industry
Eligibility
6 Months to 35 Months
Enrollment
654 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
28
States / cities
Bentonville, Arkansas • Fort Smith, Arkansas • Canoga Park, California + 25 more
Source: ClinicalTrials.gov public record
Updated May 30, 2017 · Synced Oct 14, 2026, 12:00 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety, Tolerability, and PK of Escalating Doses of Flufirvitide-3 Dry Powder for Inhalation in Healthy Subjects

NCT01990846
View directory record Official record
Conditions
Influenza
Interventions
Flufirvitide 3, Placebo for Flufirvitide-3
Drug
Lead sponsor
Autoimmune Technologies, LLC
Industry
Eligibility
18 Years to 50 Years
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Spartanburg, South Carolina
Source: ClinicalTrials.gov public record
Updated Mar 11, 2015 · Synced Oct 14, 2026, 12:00 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Study to Evaluate the Safety and Immune Response of Two-Doses of Candidate Influenza Vaccine GSK 1557484A in Adults

NCT00510874
View directory record Official record
Conditions
Influenza
Interventions
Pumarix™, Pandemrix ™
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 64 Years
Enrollment
780 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
7
States / cities
Huntsville, Alabama • Anaheim, California • Miami, Florida + 4 more
Source: ClinicalTrials.gov public record
Updated Aug 17, 2018 · Synced Oct 14, 2026, 12:00 AM EDT
Completed Phase 4 Interventional Results available

Rapid Empiric Treatment With Oseltamivir Study (RETOS)

NCT01248715
View directory record Official record
Conditions
Influenza, Pneumonia
Interventions
oseltamivir
Drug
Lead sponsor
University of Louisville
Other
Eligibility
18 Years and older
Enrollment
1,107 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
5
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Jun 15, 2023 · Synced Oct 14, 2026, 12:00 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Influenza Vaccine in Preventing Flu in Patients Who Have Undergone Stem Cell Transplant and in Healthy Volunteers

NCT00952185
View directory record Official record
Conditions
Brain and Central Nervous System Tumors, Chronic Myeloproliferative Disorders, Leukemia, Lymphoma, Lymphoproliferative Disorder, Multiple Myeloma and Plasma Cell Neoplasm, Myelodysplastic Syndromes, Myelodysplastic/Myeloproliferative Neoplasms, Nonmalignant Neoplasm, Viral Infection
Interventions
cytology specimen collection procedure, fluorescent antibody technique, assessment of therapy complications
Other · Procedure
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated Jun 8, 2015 · Synced Oct 14, 2026, 12:00 AM EDT