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ClinicalTrials.gov public records Last synced Oct 22, 2026, 2:44 AM EDT

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Showing 1081–1104 of 1,125 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Influenza Virus Vaccine Clear all
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Safety, Tolerability, and Immunogenicity of a Modified RNA Vaccine Against Influenza

NCT05052697
View directory record Official record
Conditions
Influenza, Human
Interventions
mIRV, bIRV AB, qIRV, QIV, bIRV AA, bIRV BB
Biological
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 85 Years
Enrollment
1,158 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
100
States / cities
Athens, Alabama • Phoenix, Arizona • Tucson, Arizona + 58 more
Source: ClinicalTrials.gov public record
Updated Mar 12, 2024 · Synced Oct 22, 2026, 2:44 AM EDT
Completed No phase listed Observational

Trivalent Influenza Vaccine in Preventing Flu in Patients With Central Nervous System Tumors

NCT01474174
View directory record Official record
Conditions
Central Nervous System Neoplasm
Interventions
trivalent influenza vaccine, laboratory biomarker analysis
Biological · Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 3, 2018 · Synced Oct 22, 2026, 2:44 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Monovalent H5N1 Vaccine GSK1557484A in Children 6 Months to < 18 Years of Age

NCT01310413
View directory record Official record
Conditions
Influenza, Influenza Vaccines
Interventions
Influenza A (H5N1) Virus monovalent vaccine, Saline placebo
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
6 Months to 17 Years
Enrollment
842 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
11
States / cities
Paramount, California • Sacramento, California • Newton, Kansas + 8 more
Source: ClinicalTrials.gov public record
Updated Nov 1, 2021 · Synced Oct 22, 2026, 2:44 AM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

Flucelvax Pregnancy Registry

NCT02258178
View directory record Official record
Conditions
Pregnant Women, Influenza
Interventions
Flucelvax (cTIV)
Biological
Lead sponsor
Seqirus
Industry
Eligibility
18 Years and older · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2020
U.S. locations
1
States / cities
Wilmington, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 5, 2017 · Synced Oct 22, 2026, 2:44 AM EDT
Not yet recruiting Phase 4 Interventional

The INTERvening for LUNG Health Trial

NCT07540000
View directory record Official record
Conditions
Spirometry
Interventions
Community health worker-delivered multi-component respiratory health intervention
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
9 Years and older
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 8, 2026 · Synced Oct 22, 2026, 2:44 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Efficacy Study of an Investigational Influenza Vaccine (Vero Cell Derived) to Prevent Culture Confirmed Influenza Infection (CCII)

NCT00566345
View directory record Official record
Conditions
Influenza
Interventions
Inactivated seasonal influenza vaccine (split virus, Vero cell-derived), Phosphate buffered saline
Biological · Other
Lead sponsor
Alachua Government Services, Inc.
Industry
Eligibility
18 Years to 49 Years
Enrollment
3,670 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
34
States / cities
Tucson, Arizona • Anaheim, California • Sacramento, California + 31 more
Source: ClinicalTrials.gov public record
Updated Oct 17, 2023 · Synced Oct 22, 2026, 2:44 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study To Learn About The Study Vaccine (Called Self-Amplifying Ribonucleic Acid (RNA)) For The Prevention of Influenza

NCT05227001
View directory record Official record
Conditions
Influenza, Human
Interventions
PF-07852352 Influenza saRNA 1, PF-07836391 Influenza saRNA, PF-07836394 Influenza saRNA, PF-07836395 Influenza saRNA, PF-07836396 Influenza saRNA, PF-07867246 Influenza saRNA, Placebo, Quadrivalent influenza vaccine (QIV), PF-07871987 Influenza saRNA, PF-07914705 Influenza saRNA, PF-07915048 Influenza saRNA
Biological
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 49 Years
Enrollment
440 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
24
States / cities
Phoenix, Arizona • Walnut Creek, California • Greenacres City, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Mar 20, 2026 · Synced Oct 22, 2026, 2:44 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety and Immunogenicity of a Live Attenuated H7N9 Influenza Virus Vaccine in Healthy Adults

NCT01995695
View directory record Official record
Conditions
Influenza A Virus, H7N9 Subtype
Interventions
Live attenuated H7N9 A/Anhui/13 ca influenza virus vaccine, Inactivated subvirion H7N9 influenza vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2013
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jul 27, 2016 · Synced Oct 22, 2026, 2:44 AM EDT
Completed Not applicable Interventional

Impact of Rapid Flu Testing in BMC ED

NCT02979730
View directory record Official record
Conditions
Influenza-Like Illness, Influenza
Interventions
Core Lab Test, ED Point of Care Test
Other
Lead sponsor
Boston Medical Center
Other
Eligibility
21 Years and older
Enrollment
233 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 24, 2018 · Synced Oct 22, 2026, 2:44 AM EDT
Completed Not applicable Interventional Results available

PregText: Feasibility of Monitoring Influenza Vaccine Safety in Pregnant Women Using Text Messaging

NCT01974050
View directory record Official record
Conditions
Pregnancy
Interventions
Text message surveillance
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older · Female only
Enrollment
166 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 12, 2018 · Synced Oct 22, 2026, 2:44 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Prophylactic Antipyretics on Immune Responses and Fever After 2014-2015 and 2015-2016 Inactivated Influenza Vaccine

NCT02212990
View directory record Official record
Conditions
Fever
Interventions
Acetaminophen Arm, Placebo Arm, Ibuprofen Arm
Other
Lead sponsor
Duke University
Other
Eligibility
6 Months to 47 Months
Enrollment
104 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 7, 2018 · Synced Oct 22, 2026, 2:44 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety of and Immune Response to a Bird Flu Virus Vaccine (H5N1) in Healthy Adults

NCT00347672
View directory record Official record
Conditions
Influenza, Virus Diseases
Interventions
H5N1 (6-2) AA ca Recombinant (A/VietNam/1203/2004 x A/AnnArbor/6/60/ca)
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 21, 2008 · Synced Oct 22, 2026, 2:44 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Study to Evaluate the Safety of 1 New 6:2 Influenza Virus Reassortant in Adults for the 2017-2018 Season

NCT03158038
View directory record Official record
Conditions
Influenza, Healthy
Interventions
Monovalent Influenza Vaccine, Placebo
Biological · Other
Lead sponsor
MedImmune LLC
Industry
Eligibility
18 Years to 49 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
2
States / cities
Stockbridge, Georgia • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jan 4, 2019 · Synced Oct 22, 2026, 2:44 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 22, 2026, 2:44 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 22, 2026, 2:44 AM EDT
Completed Not applicable Interventional Results available

Patient Portal Flu Vaccine Reminders (RCT 6)

NCT06062264
View directory record Official record
Conditions
Influenza, Respiratory Tract Infections
Interventions
Portal-based Video Message, Portal-based Infographic Message
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
6 Months and older
Enrollment
22,233 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 20, 2025 · Synced Oct 22, 2026, 2:44 AM EDT
Completed Phase 1 Interventional

VRC 307: A Double-Blind, Randomized Phase I Study of the Safety and Immunogenicity of a Prime-Boost Schedule of the Investigational DNA Trivalent Influenza Vaccine, VRC-FLUDNA047-00-VP, Followed by the 2008/2009 Seasonal Influenza Trivalent Inactivat...

NCT00858611
View directory record Official record
Conditions
Influenza, Human
Interventions
VRC-FLUDNA047-00-VP, Flulaval (Registered) Seasonal Influenza Vaccine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 70 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 22, 2026, 2:44 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Bacterial Composition and Immune Responses in the Nose and Oropharynx During Influenza Infection

NCT02597647
View directory record Official record
Conditions
Influenza
Interventions
LAIV, Saline
Biological · Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 64 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 22, 2026 · Synced Oct 22, 2026, 2:44 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

A Human Influenza Transmission Study Using Naturally Infected Community Donors

NCT07814495
View directory record Official record
Conditions
Influenza
Interventions
Influenza Donor Visit, Influenza Recipient Inpatient Exposures Sessions
Other
Lead sponsor
Emory University
Other
Eligibility
18 Years to 49 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2031
U.S. locations
2
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 11, 2026 · Synced Oct 22, 2026, 2:44 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Trial to Investigate Viral Shedding in Healthy Children Vaccinated With Vaccine Virus Liquid (CAIV-T)

NCT00192387
View directory record Official record
Conditions
Influenza
Interventions
CAIV-T, Liquid
Biological
Lead sponsor
MedImmune LLC
Industry
Eligibility
6 Months to 18 Months
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001
U.S. locations
1
States / cities
Monroe, Wisconsin
Source: ClinicalTrials.gov public record
Updated Sep 13, 2021 · Synced Oct 22, 2026, 2:44 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 22, 2026, 2:44 AM EDT
Completed Phase 1 Interventional

A Pharmacokinetic/Pharmacodynamic Study of Oseltamivir in Immunocompromised Children With Confirmed Influenza Infection

NCT01715909
View directory record Official record
Conditions
Influenza
Interventions
Oseltamivir
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
Up to 12 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
7
States / cities
Palo Alto, California • Aurora, Colorado • Boston, Massachusetts + 4 more
Source: ClinicalTrials.gov public record
Updated Oct 16, 2018 · Synced Oct 22, 2026, 2:44 AM EDT
Completed Not applicable Interventional

Pilot Text Message for Influenza Vaccination

NCT01761734
View directory record Official record
Conditions
Influenza
Interventions
text message
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 24, 2014 · Synced Oct 22, 2026, 2:44 AM EDT
Terminated Early Phase 1 Interventional Accepts healthy volunteers Results available

An Open Label Study of IgG Fc Glycan Composition in Human Immunity

NCT01967238
View directory record Official record
Conditions
Healthy
Interventions
IM Pneumococcal, meningococcal, or flu vaccine
Biological
Lead sponsor
Rockefeller University
Other
Eligibility
18 Years to 80 Years
Enrollment
129 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Oct 22, 2026, 2:44 AM EDT