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ClinicalTrials.gov public records Last synced Oct 15, 2026, 10:59 AM EDT

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Showing 289–312 of 1,158 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Influenza Vaccine Clear all
Completed Not applicable Interventional

Impact of Influenza Vaccination in Pregnancy Video Education

NCT02151201
View directory record Official record
Conditions
Influenza
Interventions
Influenza vaccination video education, Hand washing video education
Behavioral
Lead sponsor
The Cleveland Clinic
Other
Eligibility
Female only
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 2, 2014 · Synced Oct 15, 2026, 10:59 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

A Study to Learn About Flu and COVID-19 Vaccine Responses in Healthy People

NCT06683352
View directory record Official record
Conditions
Influenza,Human, COVID-19
Interventions
Investigational Influenza Vaccine, COVID-19 Vaccine, Investigational Influenza/COVID-19 Vaccine, Licensed Influenza Vaccine 1, Licensed Influenza Vaccine 2, Placebo
Biological · Combination Product · Other
Lead sponsor
BioNTech SE
Industry
Eligibility
18 Years and older
Enrollment
1,353 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
22
States / cities
Lake Forest, California • San Diego, California • Walnut Creek, California + 17 more
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Oct 15, 2026, 10:59 AM EDT
Completed Phase 1 Interventional Results available

A Study of Intravenous Tamiflu (Oseltamivir) in Children With Influenza

NCT01033734
View directory record Official record
Conditions
Influenza
Interventions
oseltamivir [Tamiflu]
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
1 Year to 12 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
36
States / cities
Los Angeles, California • Oakland, California • Aurora, Colorado + 30 more
Source: ClinicalTrials.gov public record
Updated Aug 24, 2016 · Synced Oct 15, 2026, 10:59 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Effects of Age on Response to the 2009 H1N1 Virus Vaccine

NCT01055184
View directory record Official record
Conditions
2009 H1N1 Influenza Virus
Interventions
2009 H1N1 Virus Vaccine
Biological
Lead sponsor
University of Rochester
Other
Eligibility
60 Years and older
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2010
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated May 30, 2016 · Synced Oct 15, 2026, 10:59 AM EDT
Terminated Early Phase 1 Interventional Accepts healthy volunteers

WU 345: Immune Responses to Adjuvanted and Non-adjuvanted Seasonal Influenza Vaccines in the Lymphoid Tissues.

NCT07386509
View directory record Official record
Conditions
Healthy
Interventions
Fluad® and Afluria® vaccination
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 49 Years
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Feb 4, 2026 · Synced Oct 15, 2026, 10:59 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Safety and Immunogenicity of a Monovalent Inactivated Influenza H3N2 Variant (H3N2v) Vaccine in Pediatric Populations

NCT02100436
View directory record Official record
Conditions
Influenza
Interventions
Influenza Virus Vaccine, Monovalent A/H3N2v A/Minnesota/11/2010 NYMC X-203
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
6 Months to 17 Years
Enrollment
270 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
8
States / cities
Atlanta, Georgia • Baltimore, Maryland • Kansas City, Missouri + 5 more
Source: ClinicalTrials.gov public record
Updated Jul 6, 2017 · Synced Oct 15, 2026, 10:59 AM EDT
Completed Not applicable Interventional Results available

Study to Evaluate Impact of School-based Influenza Vaccination on School Populations

NCT00844051
View directory record Official record
Conditions
Influenza
Interventions
School-based influenza vaccination program
Biological
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
4 Years to 18 Years
Enrollment
4,455 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
2
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 12, 2016 · Synced Oct 15, 2026, 10:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Prompt to Bundle COVID-19 Booster and Flu Shot

NCT05586165
View directory record Official record
Conditions
COVID-19, Vaccines
Interventions
Reminder to boost protection against COVID-19, Flu Tag Along, COVID-19 Booster & Flu Bundle
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
109,493 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 5, 2024 · Synced Oct 15, 2026, 10:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

SOP Toolkit in Diverse Practices Implemented & Tested With RE-AIM

NCT01868334
View directory record Official record
Conditions
Adult Influenza Vaccinations, Adult PPSV Vaccinations, Adult Tdap/Td Vaccinations
Interventions
Pillar 1: Convenient Vaccination Services, Pillar 2: Patient notification, Pillar 3: Enhanced Office Systems, Pillar 4: Motivation
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
70,549 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania • Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 6, 2023 · Synced Oct 15, 2026, 10:59 AM EDT
Completed No phase listed Observational

Immunogenicity and Safety of Inactivated H1N1 Swine-origin Influenza Monovalent Vaccine in Immunocompromised Children and Young Adults

NCT01000571
View directory record Official record
Conditions
H1N1 Pandemic Flu
Interventions
Not listed
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
6 Months to 21 Years
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 7, 2011 · Synced Oct 15, 2026, 10:59 AM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Development of Immune Globulin Treatment for Avian Flu

NCT00383071
View directory record Official record
Conditions
Infectious Diseases, Influenza, Avian Flu
Interventions
H5N1 vaccine, Apheresis
Biological · Procedure
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 59 Years
Enrollment
126 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2014
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 31, 2018 · Synced Oct 15, 2026, 10:59 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Safety of HIN1 Monovalent Vaccine (MEDI3414) in Children 2 to 17 Years of Age

NCT00946101
View directory record Official record
Conditions
Influenza
Interventions
MEDI3414 [Influenza A(H1N1) live attenuated, intranasal], Placebo
Biological
Lead sponsor
MedImmune LLC
Industry
Eligibility
2 Years to 17 Years
Enrollment
326 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
16
States / cities
Mobile, Alabama • Sacramento, California • San Diego, California + 13 more
Source: ClinicalTrials.gov public record
Updated Aug 11, 2011 · Synced Oct 15, 2026, 10:59 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 15, 2026, 10:59 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Influenza Vaccine in Lung Transplant Patients - T Cells

NCT04533061
View directory record Official record
Conditions
Influenza
Interventions
Influenza vaccine
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
24 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 15, 2026, 10:59 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Motivational Interviewing for Vaccine Uptake in Latinx Adults

NCT06062056
View directory record Official record
Conditions
Vaccine Hesitancy
Interventions
EHR alert, Motivational Interviewing, Warm hand off to nurse
Other · Behavioral
Lead sponsor
Boston College
Other
Eligibility
18 Years and older
Enrollment
3,698 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 15, 2025 · Synced Oct 15, 2026, 10:59 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Efficacy Study of Two Influenza Vaccines and Placebo in Healthy Adult Subjects

NCT00630331
View directory record Official record
Conditions
Influenza
Interventions
Cell culture-derived influenza vaccine, Egg-derived influenza virus vaccine, Placebo
Biological
Lead sponsor
Novartis Vaccines
Industry
Eligibility
18 Years to 49 Years
Enrollment
11,404 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
17
States / cities
Denver, Colorado • Pembroke Pines, Florida • South Miami, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated May 24, 2024 · Synced Oct 15, 2026, 10:59 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

H7N9 Mix and Match With MF59 in Healthy Elderly Persons

NCT02213354
View directory record Official record
Conditions
Avian Influenza
Interventions
MF59, Influenza Virus Vaccine, Monovalent A/H7N9 A/Shanghai/2/2013
Drug · Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
65 Years to 99 Years
Enrollment
479 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
10
States / cities
Decatur, Georgia • Iowa City, Iowa • Baltimore, Maryland + 7 more
Source: ClinicalTrials.gov public record
Updated Jul 6, 2017 · Synced Oct 15, 2026, 10:59 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Immunogenicity, Safety, and Tolerability of a Plant-Derived Quadrivalent VLP Influenza Vaccine in Elderly Adults

NCT02831751
View directory record Official record
Conditions
Virus Diseases, RNA Virus Infections, Respiratory Tract Diseases, Respiratory Tract Infections
Interventions
30 µg/strain of Quadrivalent VLP Vaccine, 60 µg/strain of Quadrivalent VLP Vaccine, FluLaval® Tetra (15 µg/strain), Fluzone® High-Dose (60 µg/strain)
Biological
Lead sponsor
Medicago
Industry
Eligibility
65 Years and older
Enrollment
1,001 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
6
States / cities
Redding, California • Hollywood, Florida • South Miami, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 25, 2019 · Synced Oct 15, 2026, 10:59 AM EDT
Completed Not applicable Interventional Results available

Flu2Text: Text Message Reminders for 2nd Dose of Influenza Vaccine

NCT03287830
View directory record Official record
Conditions
Influenza, Vaccination
Interventions
Text message influenza vaccine reminders
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
6 Months to 8 Years
Enrollment
2,105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
3
States / cities
Itasca, Illinois • New York, New York • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 15, 2023 · Synced Oct 15, 2026, 10:59 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Development of Childhood Anti-Influenza Immunity

NCT03673345
View directory record Official record
Conditions
Influenza, Influenza Immunisation
Interventions
Influenza Virus Quadrivalent Inactivated Vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
3 Months to 15 Years
Enrollment
125 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Mar 18, 2022 · Synced Oct 15, 2026, 10:59 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the Bioequivalence of Over-encapsulated Oseltamivir Capsules to Marketed Oseltamivir Capsules in Healthy Volunteers

NCT01258530
View directory record Official record
Conditions
Influenza, Human
Interventions
over-encapsulated oseltamivir, oseltamivir
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 65 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Jun 7, 2017 · Synced Oct 15, 2026, 10:59 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

A/H5N1 Vaccine in Healthy Children Aged 2-9 Years

NCT00133536
View directory record Official record
Conditions
Influenza
Interventions
Influenza A/H5N1 Vaccine, Placebo
Biological · Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
2 Years to 9 Years
Enrollment
157 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
4
States / cities
Torrance, California • Baltimore, Maryland • St Louis, Missouri + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 27, 2010 · Synced Oct 15, 2026, 10:59 AM EDT
Completed No phase listed Observational

Clinical Characteristics and Outcomes in Patients Diagnosed With Novel Influenza A (H1N1)

NCT01024673
View directory record Official record
Conditions
Influenza
Interventions
Not listed
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2021
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 23, 2021 · Synced Oct 15, 2026, 10:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Safety and Efficacy Study of Oral XIGO Tablets to Treat The Common Cold

NCT01092039
View directory record Official record
Conditions
Common Cold
Interventions
lactoferrin, L-Glutamine and beta-glucans, Placebo Comparator
Dietary Supplement
Lead sponsor
Xigo Health LLC
Industry
Eligibility
18 Years to 50 Years
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Fall River, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 24, 2012 · Synced Oct 15, 2026, 10:59 AM EDT