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ClinicalTrials.gov public records Last synced Oct 15, 2026, 3:42 AM EDT

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Showing 481–504 of 1,157 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Influenza vaccine Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluating the Safety and Immune Response to an H5N1 Influenza Vaccine in People Who Have Previously Received an H5N1 or H7N3 Influenza Vaccine and in People Who Have Never Received a Live Attenuated Influenza Vaccine

NCT01443663
View directory record Official record
Conditions
H5N1 Influenza
Interventions
H5N1 Vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
22 Years to 54 Years
Enrollment
69 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 9, 2016 · Synced Oct 15, 2026, 3:42 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Influenza Reminder Text-Messaging

NCT06587984
View directory record Official record
Conditions
Influenza
Interventions
Text message reminder
Behavioral
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
6 Months to 18 Years
Enrollment
228,361 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 1, 2025 · Synced Oct 15, 2026, 3:42 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Comparison of Three Licensed Influenza Vaccines

NCT03068949
View directory record Official record
Conditions
Influenza
Interventions
FluBlok, Fluzone, FluCelVax, Fluzone HD
Biological
Lead sponsor
University of Rochester
Other
Eligibility
18 Years to 49 Years
Enrollment
413 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2021
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Nov 30, 2021 · Synced Oct 15, 2026, 3:42 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Evaluation of Influenza-Specific Immune Responses in Children and Adults During the 2010-2011 Influenza Season in the U.S.

NCT01262079
View directory record Official record
Conditions
Influenza
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
6 Years and older
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
4
States / cities
Decatur, Georgia • St Louis, Missouri • Cincinnati, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 15, 2011 · Synced Oct 15, 2026, 3:42 AM 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 15, 2026, 3:42 AM EDT
Completed Not applicable Interventional

Clinical Evaluation of the Panbio™ COVID-19/Flu A&B Rapid Panel Professional Use Product Using Mid-Turbinate Nasal Swabs

NCT05630365
View directory record Official record
Conditions
COVID-19, Influenza A, Influenza Type B
Interventions
Panbio™
Diagnostic Test
Lead sponsor
Abbott Rapid Dx
Industry
Eligibility
Not listed
Enrollment
1,129 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Nov 9, 2023 · Synced Oct 15, 2026, 3:42 AM 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 15, 2026, 3:42 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

ACTIVATE in Public Housing

NCT06075732
View directory record Official record
Conditions
Pneumonia, Influenza, Varicella Zoster, Meningitis, COVID-19, Vaccine Hesitancy
Interventions
Increasing Willingness and Uptake of Influenza, Pneumonia, Meningitis, HZV, and COVID-19 Vaccination
Behavioral
Lead sponsor
Charles Drew University of Medicine and Science
Other
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 17, 2025 · Synced Oct 15, 2026, 3:42 AM EDT
Completed No phase listed Observational

Pilot Study to Assess Flares Following Inactivated Influenza Vaccine in Children With Systemic Lupus Erythematosus (SLE)

NCT02006784
View directory record Official record
Conditions
Systemic Lupus Erythematosus (SLE)
Interventions
Not listed
Lead sponsor
Vanderbilt University
Other
Eligibility
8 Years to 18 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated May 3, 2017 · Synced Oct 15, 2026, 3:42 AM 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 15, 2026, 3:42 AM EDT
Terminated Phase 2 Interventional Results available

Reduced-intensity, Related-donor Bone Marrow Transplantation Followed by High-dose Cyclophosphamide for Hematologic Cancers

NCT01135329
View directory record Official record
Conditions
Lymphoma, Leukemia, Myelodysplastic Syndrome
Interventions
Fludarabine, Busulfan, Cyclophosphamide, Mycophenolate Mofetil, Tacrolimus
Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
6 Months to 75 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Oct 15, 2026, 3:42 AM EDT
Terminated Phase 4 Interventional Results available

A Study of Tamiflu (Oseltamivir) for Treatment of Influenza With a Focus on (H1N1) 2009 Flu Strain

NCT01032837
View directory record Official record
Conditions
Influenza
Interventions
Oseltamivir, Placebo
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
1 Year and older
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
100
States / cities
Tuscaloosa, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 91 more
Source: ClinicalTrials.gov public record
Updated Oct 2, 2012 · Synced Oct 15, 2026, 3:42 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study to Evaluate the Safety of Novartis MenACWY Conjugate Vaccine When Administered With Routine Infant Vaccinations to Healthy Infants

NCT00806195
View directory record Official record
Conditions
Meningitis, Meningococcal Infection
Interventions
MenACWY-CRM197, DTaP (Diptheria, Tetanus, Pertussis) Vaccine, Hib (Haemophilus influenza b) Vaccine, IPV (Inactivated Polio Vaccine) Vaccine, Pneumococcal conjugate Vaccine, MMR (Measles, Mumps, and Rubella) Vaccine, Varicella Vaccine, Hepatitis A Virus
Biological
Lead sponsor
Novartis
Industry
Eligibility
55 Days to 89 Days
Enrollment
7,744 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
130
States / cities
Birmingham, Alabama • Dothan, Alabama • Tuscon, Arizona + 107 more
Source: ClinicalTrials.gov public record
Updated Jul 9, 2013 · Synced Oct 15, 2026, 3:42 AM EDT
Completed Phase 3 Interventional

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

NCT01610245
View directory record Official record
Conditions
Influenza
Interventions
Nitazoxanide, Oseltamivir, Placebo Oral Tablet, Placebo Oral Capsule
Drug
Lead sponsor
Romark Laboratories L.C.
Industry
Eligibility
13 Years to 65 Years
Enrollment
1,941 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
136
States / cities
Birmingham, Alabama • Dothan, Alabama • Hoover, Alabama + 121 more
Source: ClinicalTrials.gov public record
Updated Mar 29, 2018 · Synced Oct 15, 2026, 3:42 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Adapting Motivational Interviewing for Maternal Immunizations (MI4MI)

NCT04302675
View directory record Official record
Conditions
Maternal Immunization
Interventions
Prevention, Maternal Immunization
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
15 Years and older · Female only
Enrollment
1,350 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated May 12, 2023 · Synced Oct 15, 2026, 3:42 AM EDT
Completed Not applicable Interventional Results available

Rapid Diagnostics for Upper Respiratory Infections in the Emergency Department

NCT02957136
View directory record Official record
Conditions
Respiratory Tract Infections, Influenza, Human, Common Cold
Interventions
Rapid respiratory pathogen nucleic acid amplification test
Device
Lead sponsor
University of California, Davis
Other
Eligibility
1 Year to 101 Years
Enrollment
194 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated May 19, 2021 · Synced Oct 15, 2026, 3:42 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Dissecting Human Immune Responses to Infection With Influenza or SARS-CoV-2

NCT06848309
View directory record Official record
Conditions
Influenza, SARS-CoV-2 (COVID-19) Infection, Immune Response of Host
Interventions
Bronchoscopy
Procedure
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 60 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 12, 2026 · Synced Oct 15, 2026, 3:42 AM EDT
Completed No phase listed Observational

A Study of Fluoroquinolones Exposure and Collagen-Related Serious Adverse Events

NCT03479736
View directory record Official record
Conditions
Retinal Detachment, Achilles Tendon, Aneurysm, Dissecting
Interventions
Oral Fluoroquinolones (FQ), Other Antibiotics, Febrile Illness Not Treated with Antibiotics Will be Analyzed as an Exposure
Drug · Other
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
Not listed
Enrollment
117,911 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Titusville, New Jersey
Source: ClinicalTrials.gov public record
Updated Jun 25, 2025 · Synced Oct 15, 2026, 3:42 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Phase 1 Safety and Immunogenicity Study in Healthy Adults of VAX125, a Recombinant HA-flagellin Influenza Vaccine

NCT00730457
View directory record Official record
Conditions
Influenza
Interventions
VAX125
Biological
Lead sponsor
VaxInnate Corporation
Industry
Eligibility
18 Years to 49 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Sep 23, 2014 · Synced Oct 15, 2026, 3:42 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

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

NCT00964821
View directory record Official record
Conditions
Chronic Myeloproliferative Disorders, Leukemia, Lymphoma, Multiple Myeloma and Plasma Cell Neoplasm, Myelodysplastic Syndromes, Myelodysplastic/Myeloproliferative Neoplasms, Nonmalignant Neoplasm
Interventions
trivalent influenza vaccine, Immunoenzyme technique, Laboratory biomarker analysis
Biological · Other
Lead sponsor
City of Hope Medical Center
Other
Eligibility
18 Years to 120 Years
Enrollment
459 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2013
U.S. locations
2
States / cities
Duarte, California • Pasadena, California
Source: ClinicalTrials.gov public record
Updated Nov 7, 2017 · Synced Oct 15, 2026, 3:42 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Immunogenicity & Safety of GSK's Avian Flu Vaccine 1557484A Given to Adults Aged ≥18 Years

NCT00719043
View directory record Official record
Conditions
Influenza
Interventions
A/turkey H5N1 vaccine, Influenza A (H5N1) Virus Monovalent Vaccine, Adjuvanted (A/Indonesia), Placebo
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
841 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
10
States / cities
Denver, Colorado • Chicago, Illinois • Metairie, Louisiana + 7 more
Source: ClinicalTrials.gov public record
Updated Jul 9, 2018 · Synced Oct 15, 2026, 3:42 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Immune Responses to H5N1 Vaccine With and Without AS03 Adjuvant

NCT01578317
View directory record Official record
Conditions
Influenza
Interventions
H5N1 vaccine plus AS03 adjuvant, H5N1 vaccine without adjuvant
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 26, 2019 · Synced Oct 15, 2026, 3:42 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Vaccine Acceptance in Pregnant Minority Women

NCT01740310
View directory record Official record
Conditions
Pregnancy
Interventions
Maternal Vaccine Education
Behavioral
Lead sponsor
Emory University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
121 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
4
States / cities
Atlanta, Georgia • Decatur, Georgia • Riverdale, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 9, 2015 · Synced Oct 15, 2026, 3:42 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, 3:42 AM EDT