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ClinicalTrials.gov public records Last synced Oct 13, 2026, 12:45 PM EDT

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Showing 241–264 of 1,157 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Influenza Vaccine Clear all
Completed Phase 4 Interventional

VSMART (Video-Conference Stress Management and Relaxation Training for Older Women With Breast Cancer)

NCT03955991
View directory record Official record
Conditions
Stress
Interventions
R-CBSM, Influenza vaccine
Behavioral · Biological
Lead sponsor
University of Miami
Other
Eligibility
50 Years and older · Female only
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2024
U.S. locations
1
States / cities
Coral Gables, Florida
Source: ClinicalTrials.gov public record
Updated Jun 26, 2025 · Synced Oct 13, 2026, 12:45 PM EDT
Completed Not applicable Interventional Results available

TextFluenza: Using Technology To Promote Flu Vaccination In Underserved Maternal And Child Populations

NCT01146912
View directory record Official record
Conditions
Influenza
Interventions
Text Message, automated call
Other
Lead sponsor
Columbia University
Other
Eligibility
6 Months to 50 Years
Enrollment
30,537 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 7, 2015 · Synced Oct 13, 2026, 12:45 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Evaluate the Safety and Immunogenicity of KBP-V001 Quadrivalent Influenza Vaccine in Healthy Adults

NCT04439695
View directory record Official record
Conditions
Influenza
Interventions
Low dose, Intermediate dose, High dose, Placebo
Biological
Lead sponsor
KBio Inc
Industry
Eligibility
18 Years to 49 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Sep 16, 2021 · Synced Oct 13, 2026, 12:45 PM 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 13, 2026, 12:45 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Infectivity, Replication & Immunogenicity of Live nH1N1 Vaccine

NCT01023776
View directory record Official record
Conditions
Influenza
Interventions
A/California/07/09 live monovalent H1N1 vaccine
Biological
Lead sponsor
University of Rochester
Other
Eligibility
18 Years to 32 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Dec 23, 2015 · Synced Oct 13, 2026, 12:45 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Increasing Influenza and Tdap Vaccination of Pregnant Women

NCT04444518
View directory record Official record
Conditions
Immunization; Infection, Pregnancy Related
Interventions
VAX-MOM Intervention, Standard of Care
Behavioral
Lead sponsor
University of Rochester
Other
Eligibility
Not listed
Enrollment
12,760 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jan 10, 2025 · Synced Oct 13, 2026, 12:45 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety and Immune Response to Recombinant Live-Attenuated Influenza H2N2 Virus Vaccine

NCT00722774
View directory record Official record
Conditions
Influenza, Virus Diseases
Interventions
H2N2 1960 AA ca recombinant vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 40 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 10, 2008 · Synced Oct 13, 2026, 12:45 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Clinical Trial of CSL's 2009 H1N1 Influenza Vaccine (CSL425) in a Healthy Pediatric Population in the USA

NCT00958243
View directory record Official record
Conditions
Influenza
Interventions
CSL's 2009 H1N1 Influenza Vaccine (CSL425), Placebo
Biological
Lead sponsor
Seqirus
Industry
Eligibility
6 Months to 9 Years
Enrollment
473 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
13
States / cities
Chandler, Arizona • Melbourne, Florida • Bardstown, Kentucky + 10 more
Source: ClinicalTrials.gov public record
Updated May 23, 2018 · Synced Oct 13, 2026, 12:45 PM EDT
Completed Not applicable Interventional

Vaccine Response After Rituximab for Chronic, Severe Idiopathic Thrombocytopenic Purpura

NCT01713855
View directory record Official record
Conditions
Idiopathic Thrombocytopenic Purpura, Immune Thrombocytopenic Purpura
Interventions
Inactivated Trivalent Influenza vaccine
Biological
Lead sponsor
Neufeld, Ellis J, MD, PhD
Individual
Eligibility
18 Months to 18 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
3
States / cities
Los Angeles, California • Atlanta, Georgia • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 25, 2012 · Synced Oct 13, 2026, 12:45 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

A/Texas Flu Challenge

NCT06753474
View directory record Official record
Conditions
Influenza
Interventions
Influenza Virus influenza A H3N2 strain
Biological
Lead sponsor
Emory University
Other
Eligibility
18 Years to 49 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
2
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced Oct 13, 2026, 12:45 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Pediatric Safety and Immunogenicity Study of Cell-Culture Derived and Egg-based Subunit Influenza Vaccines in Healthy Children and Adolescents

NCT00645411
View directory record Official record
Conditions
Influenza
Interventions
Cell culture-derived influenza subunit vaccine (cTIV), Egg derived influenza subunit vaccine (eTIV)
Biological
Lead sponsor
Novartis
Industry
Eligibility
3 Years to 17 Years
Enrollment
3,604 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
16
States / cities
Fayetteville, Arkansas • Downey, California • Bardstown, Kentucky + 12 more
Source: ClinicalTrials.gov public record
Updated Nov 23, 2015 · Synced Oct 13, 2026, 12:45 PM EDT
Completed Phase 1 Interventional

HIV Vaccine Designed for HIV Infected Adults Taking Anti-HIV Drugs

NCT00056758
View directory record Official record
Conditions
HIV Infections
Interventions
Autologous Dendritic Cell HIV Vaccination
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2003
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 27, 2007 · Synced Oct 13, 2026, 12:45 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Flu Shot Pre-visit Questionnaire

NCT05508698
View directory record Official record
Conditions
Influenza
Interventions
Precommitment Nudge, Salience
Behavioral
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years and older
Enrollment
230,962 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 25, 2023 · Synced Oct 13, 2026, 12:45 PM EDT
Completed No phase listed Observational

Respiratory Virus Hospitalization Study (FLU 003 Plus)

NCT01056185
View directory record Official record
Conditions
Influenza, Novel Respiratory Virus-1 Middle Eastern Respiratory Syndrome Coronavirus (MERS-CoV), Novel Respiratory Virus-2 Severe Acute Respiratory Syndrome Coronavirus (SARS-CoV)
Interventions
Not listed
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2024
U.S. locations
18
States / cities
San Diego, California • Washington D.C., District of Columbia • Chicago, Illinois + 14 more
Source: ClinicalTrials.gov public record
Updated Oct 21, 2024 · Synced Oct 13, 2026, 12:45 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Sanofi Pasteur Quadrivalent Intradermal Influenza Vaccine Pregnancy Registry

NCT02554409
View directory record Official record
Conditions
Pregnancy, Influenza
Interventions
Quadrivalent Intradermal Influenza Vaccine (QIV)
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
18 Years and older · Female only
Enrollment
87 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
5
States / cities
San Diego, California • Miami, Florida • Albany, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 12, 2020 · Synced Oct 13, 2026, 12:45 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Single Dose Texas 2017 (H3N2) Challenge Study

NCT06476275
View directory record Official record
Conditions
Influenza Viral Infections
Interventions
Influenza A/Texas/71/2017 (H3N2), Sham placebo
Biological
Lead sponsor
Duke University
Other
Eligibility
18 Years to 46 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 26, 2025 · Synced Oct 13, 2026, 12:45 PM EDT
Completed Phase 4 Interventional Results available

Improving Immunogenicity of Influenza Vaccine in HIV Infected Individuals

NCT01262846
View directory record Official record
Conditions
HIV Infection
Interventions
Fluzone®
Biological
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
195 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 13, 2017 · Synced Oct 13, 2026, 12:45 PM EDT
Completed Phase 2 Interventional Results available

High vs. Standard Dose Flu Vaccine in Adult Stem Cell Transplant Recipients

NCT03179761
View directory record Official record
Conditions
Hematopoietic Cell Transplantation
Interventions
Quadrivalent Inactivated Influenza Vaccine, Laboratory Biomarker Analysis, Trivalent Influenza Vaccine
Biological · Other
Lead sponsor
Vanderbilt-Ingram Cancer Center
Other
Eligibility
18 Years and older
Enrollment
124 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
4
States / cities
Birmingham, Alabama • Chicago, Illinois • Nashville, Tennessee + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 4, 2024 · Synced Oct 13, 2026, 12:45 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of MF59C.1 Adjuvanted Trivalent Subunit Influenza Vaccine in Elderly Subjects

NCT01162122
View directory record Official record
Conditions
Influenza
Interventions
MF59 adjuvanted trivalent subunit influenza vaccine (aTIV), Non-adjuvanted trivalent subunit influenza vaccine (TIV)
Biological
Lead sponsor
Novartis Vaccines
Industry
Eligibility
65 Years and older
Enrollment
7,109 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
21
States / cities
Phoenix, Arizona • DeLand, Florida • Jacksonville, Florida + 15 more
Source: ClinicalTrials.gov public record
Updated Jun 26, 2014 · Synced Oct 13, 2026, 12:45 PM EDT
Completed Not applicable Interventional

Electronic Health Records for Health Promotion

NCT00142077
View directory record Official record
Conditions
Influenza
Interventions
Electronic health record and messaging system
Device
Lead sponsor
Boston Children's Hospital
Other
Eligibility
18 Years and older
Enrollment
700 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 5, 2007 · Synced Oct 13, 2026, 12:45 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 13, 2026, 12:45 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

VRC 309: A Multi-Center, Open-Label, Randomized Phase I Study of an Investigational Influenza DNA Vaccine Followed by 2009/2010 Seasonal Influenza Trivalent Inactivated Vaccine (TIV) Compared to Two Injections of TIV in Adults 45-70 Years

NCT00995982
View directory record Official record
Conditions
Influenza, Human
Interventions
VRC-FLUDNA056-00VP
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
45 Years to 70 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
2
States / cities
Bethesda, Maryland • Annandale, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 13, 2026, 12:45 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study of mRNA-1083 (SARS-CoV-2 and Influenza) Vaccine in Healthy Adult Participants, ≥50 Years of Age

NCT06097273
View directory record Official record
Conditions
SARS-CoV-2, Influenza
Interventions
mRNA-1083, Placebo, Influenza Vaccine, COVID-19 Vaccine
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
50 Years and older
Enrollment
8,061 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
146
States / cities
Anniston, Alabama • Birmingham, Alabama • Cullman, Alabama + 122 more
Source: ClinicalTrials.gov public record
Updated Jul 1, 2025 · Synced Oct 13, 2026, 12:45 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Influenza Challenge in Mood Disorders

NCT02415166
View directory record Official record
Conditions
MAJOR DEPRESSIVE DISORDER
Interventions
INFLUENZA VACCINE, NaCl-saline placebo
Biological · Other
Lead sponsor
Laureate Institute for Brain Research, Inc.
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Tulsa, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jan 23, 2018 · Synced Oct 13, 2026, 12:45 PM EDT