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Showing 1–24 of 1,119 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Influenza Virus Vaccine Clear all
Not listed No phase listed Observational Accepts healthy volunteers

Acute Respiratory Infection Consortium

NCT01021098
View directory record Official record
Conditions
Influenza
Interventions
Not listed
Lead sponsor
Henry M. Jackson Foundation for the Advancement of Military Medicine
Other
Eligibility
17 Years to 55 Years
Enrollment
2,018 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2023
U.S. locations
5
States / cities
San Diego, California • Bethesda, Maryland • San Antonio, Texas + 2 more
Source: ClinicalTrials.gov public record
Updated Nov 23, 2023 · Synced Sep 17, 2026, 5:15 AM EDT
Completed Not applicable Interventional

Clinical Evaluation of the Panbio™ COVID-19/Flu A&B Panel to Support Home Use

NCT06124638
View directory record Official record
Conditions
COVID-19, Influenza A, Influenza Type B
Interventions
Panbio™ COVID-19/Flu A&B Panel
Diagnostic Test
Lead sponsor
Abbott Rapid Dx
Industry
Eligibility
2 Years and older
Enrollment
624 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
2
States / cities
Pelham, Alabama • Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Aug 18, 2024 · Synced Sep 17, 2026, 5:15 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Young Adult Influenza Vaccine Immunogenicity Substudy

NCT00170508
View directory record Official record
Conditions
Influenza
Interventions
Fluzone®
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 40 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 22, 2013 · Synced Sep 17, 2026, 5:15 AM EDT
Completed Phase 2Phase 3 Interventional

COmbination Therapy With Baloxavir and Oseltamivir 1 for Hospitalized Patients With Influenza (The COMBO Trial 1)

NCT04327791
View directory record Official record
Conditions
Influenza
Interventions
Baloxavir, Placebos
Drug
Lead sponsor
Bassett Healthcare
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
3
States / cities
Springfield, Massachusetts • Cooperstown, New York • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced Sep 17, 2026, 5:15 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Study of Fluzone® Quadrivalent, Fluzone® Intradermal, and Fluzone® High-Dose Influenza Virus Vaccines in Adults

NCT01946438
View directory record Official record
Conditions
Influenza
Interventions
Fluzone® Quadrivalent, Influenza Virus Vaccine (2013-2014 formulation),, Fluzone® Intradermal, Influenza Virus Vaccine (2013-2014 formulation),, Fluzone® High-Dose, Influenza Virus Vaccine (2013-2014 formulation)
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
18 Years and older
Enrollment
208 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
4
States / cities
Santa Rosa, California • Council Bluffs, Iowa • Metairie, Louisiana + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2014 · Synced Sep 17, 2026, 5:15 AM EDT
Completed No phase listed Observational

Early Short Course Corticosteroids in COVID-19

NCT04374071
View directory record Official record
Conditions
COVID, Pneumonia, Viral
Interventions
Methylprednisolone
Drug
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated May 4, 2020 · Synced Sep 17, 2026, 5:15 AM EDT
Not yet recruiting Phase 1 Interventional Accepts healthy volunteers

Safety and Immunogenicity of Chimeric Hemagglutinin mRNA Vaccine Candidates

NCT07703514
View directory record Official record
Conditions
Influenza
Interventions
cH15/3, cH4/3, cH5/1N1, cH8/1N1, Saline
Biological · Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 59 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Sep 17, 2026, 5:15 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Safety of 3 New 6:2 Influenza Virus Reassortants in Adults

NCT01579916
View directory record Official record
Conditions
Influenza
Interventions
Trivalent Influenza Virus Vaccine, Placebo
Biological · Other
Lead sponsor
MedImmune LLC
Industry
Eligibility
18 Years to 49 Years
Enrollment
303 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
3
States / cities
Miami, Florida • Stockbridge, Georgia • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Feb 2, 2014 · Synced Sep 17, 2026, 5:15 AM EDT
Terminated Phase 1 Interventional

Response to Influenza Vaccine in Patients With Non-Hematologic Malignancies Receiving Chemotherapy

NCT01695733
View directory record Official record
Conditions
Neoplasms
Interventions
trivalent influenza vaccine
Biological
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 30, 2018 · Synced Sep 17, 2026, 5:15 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 3, 2026 · Synced Sep 17, 2026, 5:15 AM EDT
Completed Phase 2 Interventional

Phase 2B Study on Safety and Therapeutic Efficacy of DAS181 in Adult Subjects With Naturally Acquired Influenza

NCT01740063
View directory record Official record
Conditions
Influenza
Interventions
DAS181-F02 formulation, DAS181-F04 formulation, Placebo
Drug
Lead sponsor
Ansun Biopharma, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
423 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jul 7, 2019 · Synced Sep 17, 2026, 5:15 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety, Tolerability, and PK of Escalating Doses of Flufirvitide-3 Dry Powder for Inhalation in Healthy Subjects

NCT01990846
View directory record Official record
Conditions
Influenza
Interventions
Flufirvitide 3, Placebo for Flufirvitide-3
Drug
Lead sponsor
Autoimmune Technologies, LLC
Industry
Eligibility
18 Years to 50 Years
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Spartanburg, South Carolina
Source: ClinicalTrials.gov public record
Updated Mar 10, 2015 · Synced Sep 17, 2026, 5:15 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Immunogenicity of Quadrivalent LAIV (MEDI8662) in Adults 18 to 49 Years of Age

NCT00952705
View directory record Official record
Conditions
Healthy or Stable Underlying Chronic Medical Condition
Interventions
Q/LAIV-BFS (MEDI8662), FluMist/B/Yamagata, FluMist/B/Victoria
Biological
Lead sponsor
MedImmune LLC
Industry
Eligibility
18 Years to 49 Years
Enrollment
1,800 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
18
States / cities
Mobile, Alabama • Sacramento, California • San Diego, California + 15 more
Source: ClinicalTrials.gov public record
Updated May 2, 2018 · Synced Sep 17, 2026, 5:15 AM EDT
Completed No phase listed Observational

Influenza in People With Normal and Weakened Immune Systems

NCT00533182
View directory record Official record
Conditions
Viral Infections, Respiratory Infections
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
2 Years and older
Enrollment
137 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2022
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 9, 2022 · Synced Sep 17, 2026, 5:15 AM EDT
Completed No phase listed Observational

Respiratory Virus Outpatient Study (FLU 002 Plus)

NCT01056354
View directory record Official record
Conditions
Influenza and Other Novel Respiratory Viruses
Interventions
Not listed
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
11,719 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2017
U.S. locations
17
States / cities
San Diego, California • Denver, Colorado • Washington D.C., District of Columbia + 13 more
Source: ClinicalTrials.gov public record
Updated Aug 17, 2017 · Synced Sep 17, 2026, 5:15 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Simultaneous mRNA COVID-19 and IIV4 Vaccination Study

NCT05028361
View directory record Official record
Conditions
Quality of Life, Injection Site Reaction, Adverse Drug Event, Systemic Reaction
Interventions
mRNA COVID-19, IIV4, Placebo (saline)
Biological · Other
Lead sponsor
Duke University
Other
Eligibility
5 Years and older
Enrollment
348 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
3
States / cities
Baltimore, Maryland • Durham, North Carolina • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 18, 2024 · Synced Sep 17, 2026, 5:15 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Influenza Vaccine in Lung Transplant Patients - Persistence of Antibodies Beyond the Season

NCT04530786
View directory record Official record
Conditions
Influenza
Interventions
Influenza vaccine
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2009
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 22, 2020 · Synced Sep 17, 2026, 5:15 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of Fluzone® Quadrivalent Vaccine Administered to Healthy Children

NCT02915302
View directory record Official record
Conditions
Influenza
Interventions
Fluzone Quadrivalent vaccine, No Preservative
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
6 Months to 35 Months
Enrollment
1,950 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
35
States / cities
Birmingham, Alabama • Harrisburg, Arkansas • Downey, California + 28 more
Source: ClinicalTrials.gov public record
Updated Mar 28, 2022 · Synced Sep 17, 2026, 5:15 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

MGC Health COVID-19 & Flu A+B Home Multi Test Usability Study

NCT05732610
View directory record Official record
Conditions
COVID-19, Influenza A, Influenza B
Interventions
MGC Health COVID-19 & Flu A+B Home Multi Test, MGC Health COVID-19 & Flu A+B Home Multi Test (2 to 13 y/o)
Diagnostic Test
Lead sponsor
Medical Group Care, LLC
Industry
Eligibility
2 Years and older
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated May 1, 2024 · Synced Sep 17, 2026, 5:15 AM EDT
Completed Phase 1 Interventional

Safety and Dose Study of Peramivir for Influenza Treatment

NCT00297050
View directory record Official record
Conditions
Influenza
Interventions
Peramivir
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 50 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 17, 2026, 5:15 AM EDT
Completed Not applicable Interventional

Adult Influenza Vaccination Text Message Reminders

NCT01942824
View directory record Official record
Conditions
Influenza Vaccination
Interventions
Text Messages
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
7,250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 23, 2014 · Synced Sep 17, 2026, 5:15 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Safety of RIV4 Versus IIV4 in Pregnant Women

NCT03969641
View directory record Official record
Conditions
Safety, Adverse Event Following Immunisation, Birth Outcomes
Interventions
Quadrivalent Recombinant Influenza Vaccine, Quadrivalent Inactivated Influenza Vaccine
Biological
Lead sponsor
Duke University
Other
Eligibility
18 Years and older · Female only
Enrollment
384 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
3
States / cities
Boston, Massachusetts • Durham, North Carolina • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 10, 2023 · Synced Sep 17, 2026, 5:15 AM EDT
Withdrawn Phase 4 Interventional Accepts healthy volunteers

Response to Live Attenuated Influenza Vaccine in Tonsillar Tissues and Blood

NCT03884296
View directory record Official record
Conditions
Influenza
Interventions
FluMist
Biological
Lead sponsor
Stanford University
Other
Eligibility
2 Years to 49 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Nov 20, 2023 · Synced Sep 17, 2026, 5:15 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Zoonotic Influenza Infections of Swine Origin at Ohio Agricultural Fairs

NCT02124096
View directory record Official record
Conditions
Influenza
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
8 Years and older
Enrollment
336 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 18, 2019 · Synced Sep 17, 2026, 5:15 AM EDT