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ClinicalTrials.gov public records Last synced Oct 14, 2026, 7:08 AM EDT

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Showing 217–240 of 1,157 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Influenza vaccine Clear all
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of an MF59-Adjuvanted Influenza Vaccine in Older Adults

NCT04576702
View directory record Official record
Conditions
Influenza, Human
Interventions
Investigational aIIV4c, IIV4c, aIIV4, RIV4
Biological
Lead sponsor
Seqirus
Industry
Eligibility
50 Years and older
Enrollment
471 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
21
States / cities
Mobile, Alabama • Tempe, Arizona • Jacksonville, Florida + 17 more
Source: ClinicalTrials.gov public record
Updated Apr 17, 2024 · Synced Oct 14, 2026, 7:08 AM EDT
Completed Not applicable Interventional Results available

System Alignment for VaccinE Delivery (SAVED): Improving Rates of Influenza and Pneumococcal Vaccination Through Patient Outreach, Improved Medical Record Accuracy and Targeted Physician Alerts

NCT02266277
View directory record Official record
Conditions
Influenza, Infections, Pneumococcal
Interventions
Arm 1: E-portal message with IVR call, Arm 2: E-portal message with no IVR call, Arm 3: No e-portal message with IVR call, Arm 5: IVR call
Other
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years and older
Enrollment
30,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 31, 2017 · Synced Oct 14, 2026, 7:08 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Safety and Immune Response of mRNA-1345, a Vaccine Targeting Respiratory Syncytial Virus (RSV), When Co-administered With a Fluzone HD, in Adults ≥65 Years of Age

NCT06060457
View directory record Official record
Conditions
Respiratory Syncytial Virus
Interventions
Placebo, mRNA-1345, Fluzone HD
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
65 Years and older
Enrollment
1,900 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
34
States / cities
Scottsdale, Arizona • Dublin, California • Riverside, California + 29 more
Source: ClinicalTrials.gov public record
Updated Jul 30, 2025 · Synced Oct 14, 2026, 7:08 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 14, 2026, 7:08 AM EDT
Completed Phase 2 Interventional

Study of Acute Uncomplicated Seasonal Influenza A in Adult Subjects

NCT02342249
View directory record Official record
Conditions
Influenza A
Interventions
VX-787 300 mg, VX-787 600 mg, Oseltamivir 75 mg, Placebo
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 64 Years
Enrollment
292 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
129
States / cities
Athens, Alabama • Birmingham, Alabama • Gulf Shores, Alabama + 126 more
Source: ClinicalTrials.gov public record
Updated Feb 4, 2025 · Synced Oct 14, 2026, 7:08 AM EDT
Completed Phase 2 Interventional Results available

Comparing the Efficacy, Safety, and Tolerability of Combination Antivirals (Amantadine, Ribavirin, Oseltamivir) Versus Oseltamivir for the Treatment of Influenza in Adults at Risk for Complications

NCT01227967
View directory record Official record
Conditions
Influenza
Interventions
Amantadine, Ribavirin, Oseltamivir, Oseltamivir
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
881 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2017
U.S. locations
69
States / cities
Birmingham, Alabama • Chandler, Arizona • Glendale, Arizona + 58 more
Source: ClinicalTrials.gov public record
Updated Feb 4, 2019 · Synced Oct 14, 2026, 7:08 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study of Different Formulations of an Intramuscular A/H5N1 Inactivated, Split Virion Influenza Adjuvanted Vaccine

NCT00664417
View directory record Official record
Conditions
Influenza, Orthomyxoviridae Infections
Interventions
Monovalent subvirion H5N1 influenza vaccine, Physiological saline
Biological
Lead sponsor
Sanofi
Industry
Eligibility
18 Years to 40 Years
Enrollment
375 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
6
States / cities
San Diego, California • South Miami, Florida • Springfield, Missouri + 2 more
Source: ClinicalTrials.gov public record
Updated Apr 17, 2012 · Synced Oct 14, 2026, 7:08 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Pomegranate Products for Prevention of Common Cold

NCT00617318
View directory record Official record
Conditions
Influenza, Common Cold, Cough, Headache, Fever
Interventions
Pomegranate, Placebo
Dietary Supplement
Lead sponsor
Texas Heart Institute
Other
Eligibility
21 Years to 49 Years
Enrollment
461 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Feb 18, 2008 · Synced Oct 14, 2026, 7:08 AM EDT
Not listed Phase 2 Interventional

Offering Influenza and Pneumococcal Vaccine to Patients Being Evaluated in the Emergency Department

NCT00380679
View directory record Official record
Conditions
High Risk for Serious Influenza, High Risk for Pneumonia
Interventions
Influenza vaccination, Pneumococcal polysaccharide vaccination
Biological
Lead sponsor
Louisiana State University Health Sciences Center in New Orleans
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
2
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Sep 26, 2006 · Synced Oct 14, 2026, 7:08 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

H5 Vaccine Alone or With Aluminum Hydroxide in Elderly Adults

NCT00294099
View directory record Official record
Conditions
Influenza
Interventions
Aluminum hydroxide, Inactivated Influenza A/H5N1 Vaccine (sanofi pasteur)
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
65 Years and older
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
7
States / cities
Iowa City, Iowa • Baltimore, Maryland • St Louis, Missouri + 4 more
Source: ClinicalTrials.gov public record
Updated Jun 3, 2013 · Synced Oct 14, 2026, 7:08 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Panblok H7 Vaccine Adjuvanted With AS03 or MF59

NCT03283319
View directory record Official record
Conditions
Influenza, Human
Interventions
3.75 ug Panblok H7, 7.5 ug Panblok H7, 15 ug Panblok H7, MF59, AS03
Biological
Lead sponsor
Biomedical Advanced Research and Development Authority
Federal
Eligibility
18 Years to 49 Years
Enrollment
366 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
4
States / cities
Lenexa, Kansas • Wichita, Kansas • Lexington, Kentucky + 1 more
Source: ClinicalTrials.gov public record
Updated May 6, 2020 · Synced Oct 14, 2026, 7:08 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of Two Doses of H5N1 Influenza Vaccine in Elderly Subjects

NCT01766921
View directory record Official record
Conditions
Pandemic H5N1 Influenza
Interventions
Adjuvanted H5N1 pandemic influenza vaccine
Biological
Lead sponsor
Novartis Vaccines
Industry
Eligibility
65 Years and older
Enrollment
1,393 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
12
States / cities
Phoenix, Arizona • Hollywood, Florida • Wichita, Kansas + 7 more
Source: ClinicalTrials.gov public record
Updated Jan 30, 2019 · Synced Oct 14, 2026, 7:08 AM EDT
Completed Phase 1 Interventional

Anti-Influenza Hyperimmune Intravenous Immunoglobulin Pilot Study (INSIGHT 005: Flu-IVIG Pilot)

NCT02008578
View directory record Official record
Conditions
Influenza
Interventions
Intravenous hyperimmune immunoglobulin (Flu-IVIG), Placebo
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
11
States / cities
San Diego, California • Denver, Colorado • Washington D.C., District of Columbia + 8 more
Source: ClinicalTrials.gov public record
Updated Aug 15, 2016 · Synced Oct 14, 2026, 7:08 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Safety Study of Seasonal Influenza Vaccine by Jet Injection

NCT00987350
View directory record Official record
Conditions
Healthy Adults
Interventions
LectraJet, TIV by jet injection, Seasonal Trivalent Influenza Vaccine
Device · Biological
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 49 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
College Park, Maryland
Source: ClinicalTrials.gov public record
Updated May 3, 2021 · Synced Oct 14, 2026, 7:08 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

A Prospective Study to Evaluate the Safety of a New Trivalent Intranasal Influenza Vaccine

NCT00677820
View directory record Official record
Conditions
Influenza
Interventions
Trivalent influenza virus vaccine, Placebo
Biological
Lead sponsor
MedImmune LLC
Industry
Eligibility
18 Years to 49 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
3
States / cities
Daytona Beach, Florida • Portland, Oregon • Austin, Texas
Source: ClinicalTrials.gov public record
Updated Oct 22, 2010 · Synced Oct 14, 2026, 7:08 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Co-Administration of AS03 Adjuvanted A/H7N9 IIV With IIV4

NCT03318315
View directory record Official record
Conditions
Avian Influenza, Influenza, Influenza Immunisation
Interventions
AS03, Inactivated influenza H7N9 vaccine, Influenza Virus Quadrivalent Inactivated Vaccine, Phosphate Buffered Saline (PBS) diluent
Drug · Biological · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
19 Years to 64 Years
Enrollment
149 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
4
States / cities
Birmingham, Alabama • Baltimore, Maryland • Cincinnati, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 6, 2020 · Synced Oct 14, 2026, 7:08 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Immune Response to Influenza Vaccine in HIV-Infected Individuals

NCT00069914
View directory record Official record
Conditions
HIV Infections
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
Not listed
Enrollment
165 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2005
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 14, 2026, 7:08 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Genetic and Environmental Factors in the Response to Influenza Vaccination

NCT03088904
View directory record Official record
Conditions
Influenza, Healthy
Interventions
FluMist® Quadrivalent, Fluzone® Quadrivalent vaccine
Biological
Lead sponsor
Stanford University
Other
Eligibility
12 Years to 49 Years
Enrollment
109 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Feb 13, 2020 · Synced Oct 14, 2026, 7:08 AM 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 14, 2026, 7:08 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Single Group Study of the Safety of and Immune Response to a Bird Flu Vaccine (H7N3) in Healthy Adults

NCT00516035
View directory record Official record
Conditions
Influenza, Virus Diseases
Interventions
Live Influenza A Vaccine H7N3 (6-2) AA ca Recombinant (A/chicken/British Columbia/CN-6/2004 x A/Ann Arbor/6/60 ca)
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 18, 2015 · Synced Oct 14, 2026, 7:08 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

From Innovation to Solutions: Childhood Influenza Vaccination Planning

NCT01664793
View directory record Official record
Conditions
Influenza
Interventions
4 Pillars Immunization Toolkit
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
6 Months to 18 Years
Enrollment
87,665 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 24, 2014 · Synced Oct 14, 2026, 7:08 AM EDT
Terminated Phase 4 Interventional Results available

The Impact of Imprinting and Repeated Influenza Vaccination on Adaptive Immunity, Transcriptomics, and Metabolomics

NCT03686514
View directory record Official record
Conditions
Influenza
Interventions
FLUARIX QUADRIVALENT
Biological
Lead sponsor
Emory University
Other
Eligibility
42 Years to 71 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 13, 2022 · Synced Oct 14, 2026, 7:08 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

A Study of mRNA-based Influenza and SARS-CoV-2 (COVID-19) Multi-component Vaccines in Healthy Adults

NCT05827926
View directory record Official record
Conditions
SARS-CoV-2, Influenza
Interventions
Influenza Vaccine 1, mRNA-1083.1, mRNA-1083.2, mRNA-1083.3, Investigational Influenza Vaccine 1, Investigational COVID-19 Vaccine 1, COVID-19 Vaccine 1, Investigational Influenza Vaccine 2, Influenza Vaccine 2, mRNA-1083, Investigational COVID-19 Vaccine 2, COVID-19 Vaccine 2
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
18 Years to 79 Years
Enrollment
1,758 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
69
States / cities
Chandler, Arizona • Colton, California • Huntington Beach, California + 59 more
Source: ClinicalTrials.gov public record
Updated Dec 23, 2025 · Synced Oct 14, 2026, 7:08 AM EDT
Recruiting Phase 1 Interventional

Intralesional Influenza Vaccine for the Treatment of Stage I-IV Melanoma

NCT04697576
View directory record Official record
Conditions
Clinical Stage I Cutaneous Melanoma AJCC v8, Clinical Stage IA Cutaneous Melanoma AJCC v8, Clinical Stage IB Cutaneous Melanoma AJCC v8, Clinical Stage II Cutaneous Melanoma AJCC v8, Clinical Stage IIA Cutaneous Melanoma AJCC v8, Clinical Stage IIB Cutaneous Melanoma AJCC v8, Clinical Stage IIC Cutaneous Melanoma AJCC v8, Clinical Stage IV Cutaneous Melanoma AJCC v8, Metastatic Melanoma
Interventions
Ipilimumab, Nivolumab, Pembrolizumab, Quadrivalent Inactivated Influenza Vaccine, Resection, Nivolumab + Relatlimab
Biological · Procedure
Lead sponsor
Carlo Contreras
Other
Eligibility
18 Years to 99 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Oct 14, 2026, 7:08 AM EDT