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ClinicalTrials.gov public records Last synced Oct 13, 2026, 5:07 AM EDT

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Showing 73–93 of 93 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: influenza virus vaccination Clear all
Completed Phase 4 Interventional Accepts healthy volunteers

Influenza Vaccination in Bone Marrow Transplantation

NCT00419224
View directory record Official record
Conditions
Influenza
Interventions
inactivated split-virus influenza vaccine
Biological
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 65 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2003
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 11, 2007 · Synced Oct 13, 2026, 5:07 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Analysis of Antigen Specific B Cell Responses to Immunization With Influenza Virus Vaccine

NCT03748524
View directory record Official record
Conditions
Immunity, Cellular
Interventions
Influenza Vaccine
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 50 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 13, 2025 · Synced Oct 13, 2026, 5:07 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Innate and Acquired Immunity to Influenza Infection and Immunization (SLVP029)

NCT03028974
View directory record Official record
Conditions
Influenza
Interventions
Fluzone®, FluMist®
Biological
Lead sponsor
Stanford University
Other
Eligibility
6 Months to 49 Years
Enrollment
77 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Dec 14, 2018 · Synced Oct 13, 2026, 5:07 AM EDT
Completed Phase 2 Interventional

Ibrutinib as an Immune Modulating Agent for Patients With Asymptomatic, High-risk CLL/SLL Risk Chronic Lymphocytic Leukemia or Small Lymphocytic Lymphoma

NCT02518555
View directory record Official record
Conditions
Chronic Lymphocytic Leukemia, Small Lymphocytic Lymphoma
Interventions
Diphtheria Toxoid/Tetanus Toxoid/Acellular Pertussis Vaccine Adsorbed, Ibrutinib, Laboratory Biomarker Analysis, Pharmacological Study, Pneumococcal 13-valent Conjugate Vaccine, Quality-of-Life Assessment, Trivalent Influenza Vaccine
Biological · Drug · Other
Lead sponsor
Jennifer Woyach
Other
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Oct 13, 2026, 5:07 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Assess the Safety & Immunogenicity of Prime-Boost Vaccination Strategies Using H5Nx Virus Vaccine Adjuvanted With AS03 or MF59

NCT03497845
View directory record Official record
Conditions
Influenza A Virus, H5N1 Subtype
Interventions
VN, IN, dk/BANG, gf/WA, bhg/QL, AS03 adjuvant, MF59 adjuvant
Biological
Lead sponsor
Biomedical Advanced Research and Development Authority
Federal
Eligibility
18 Years to 49 Years
Enrollment
720 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
6
States / cities
San Diego, California • Peoria, Illinois • Lenexa, Kansas + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 14, 2020 · Synced Oct 13, 2026, 5:07 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Analysis of Bone Marrow and Blood B Cell Immune Responses to Influenza Vaccination

NCT02485639
View directory record Official record
Conditions
Influenza, Influenza Immunisation
Interventions
Influenza Virus Vaccine Inactivated
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 24, 2023 · Synced Oct 13, 2026, 5:07 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Immunogenicity of Influenza Vaccinations

NCT06518577
View directory record Official record
Conditions
Influenza
Interventions
Flucelvax® (ccIIV3), Flublok® (RIV3)
Biological
Lead sponsor
Duke University
Other
Eligibility
18 Years to 64 Years
Enrollment
606 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
7
States / cities
Phoenix, Arizona • Tempe, Arizona • Atlanta, Georgia + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 28, 2026 · Synced Oct 13, 2026, 5:07 AM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Woodsmoke Exposure, Influenza Infection, and Nasal Immunity

NCT06841913
View directory record Official record
Conditions
Smoke Exposure, Influenza
Interventions
LAIV nasal vaccine is chosen as a model viral infection, Wood smoke, Placebo for LAIV nasal vaccine is chosen as a model viral infection, Placebo for Wood Smoke (clean Air Exposure)
Biological · Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 49 Years
Enrollment
112 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 30, 2026 · Synced Oct 13, 2026, 5:07 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Adaptive Immune Responses and Repertoire in Influenza Vaccination and Infection (SLVP031)

NCT03028987
View directory record Official record
Conditions
Influenza
Interventions
Fluzone®, FluMist®
Biological
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 49 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Sep 12, 2017 · Synced Oct 13, 2026, 5:07 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety and Immunogenicity of Replication-Competent Adenovirus 4-vectored Vaccine for Avian Influenza H5N1

NCT01006798
View directory record Official record
Conditions
Bird Flu, Influenza
Interventions
Placebo, Ad4-H5-Vtn, Sanofi Pasteur Influenza Virus Vaccine, H5N1
Other · Biological
Lead sponsor
Emergent BioSolutions
Industry
Eligibility
18 Years to 40 Years
Enrollment
166 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
4
States / cities
Lexington, Kentucky • Kansas City, Missouri • Rochester, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 18, 2024 · Synced Oct 13, 2026, 5:07 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Preparedness Through Respiratory Virus Epidemiology and Community Engagement

NCT07147517
View directory record Official record
Conditions
Respiratory Infection Virus, COVID -19, RSV, FLU
Interventions
Component A0, Component A1, Component A2, Component B
Other
Lead sponsor
University of California, San Diego
Other
Eligibility
Not listed
Enrollment
25,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2030
U.S. locations
2
States / cities
La Jolla, California • San Ysidro, California
Source: ClinicalTrials.gov public record
Updated Nov 4, 2025 · Synced Oct 13, 2026, 5:07 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of DNA Vaccine With Electroporation for the Prevention of Disease Caused by H1 and H5 Influenza Virus

NCT01405885
View directory record Official record
Conditions
Healthy
Interventions
INO-3605, INO-3609, INO-3401, INO-3605 AND INO-3609, INO-3510, Seasonal Influenza vaccine
Biological
Lead sponsor
Inovio Pharmaceuticals
Industry
Eligibility
18 Years to 55 Years
Enrollment
116 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
3
States / cities
Miami, Florida • Overland Park, Kansas • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2014 · Synced Oct 13, 2026, 5:07 AM EDT
Active, not recruiting Phase 2 Interventional

High vs. Standard Dose Influenza Vaccine in Lung Allograft Recipients

NCT05215327
View directory record Official record
Conditions
Immunization; Infection, Transplantation Infection, Influenza
Interventions
High Dose Quadrivalent Inactivated Influenza Vaccine, Standard Dose Quadrivalent Inactivated Influenza Vaccine
Biological
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
16 Years and older
Enrollment
270 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 4, 2026 · Synced Oct 13, 2026, 5:07 AM EDT
Withdrawn Phase 2 Interventional

Assessment of Efficacy of CR8020 and CR6261, Monoclonal Antibodies, Against Influenza Infection

NCT01992276
View directory record Official record
Conditions
Influenza
Interventions
CR8020, CR6261, Placebo
Biological
Lead sponsor
Crucell Holland BV
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
21
States / cities
Fresno, California • Stanford, California • Washington D.C., District of Columbia + 18 more
Source: ClinicalTrials.gov public record
Updated Mar 4, 2014 · Synced Oct 13, 2026, 5:07 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Comparison of the Safety of Flublok® Versus Licensed IIV in Healthy, Medically Stable Adults ≥ 50 Years of Age

NCT01825200
View directory record Official record
Conditions
Influenza
Interventions
Flublok, Afluria
Biological
Lead sponsor
Protein Sciences Corporation
Industry
Eligibility
50 Years and older
Enrollment
2,640 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
14
States / cities
Tucson, Arizona • Coral Gables, Florida • Savannah, Georgia + 11 more
Source: ClinicalTrials.gov public record
Updated Feb 18, 2015 · Synced Oct 13, 2026, 5:07 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

A Pilot Study of the Patterns of Cellular Gene Expression in HIV-1 Patients Following Clinical Events Which Increase Plasma Virus Concentrations

NCT00001681
View directory record Official record
Conditions
HIV Infections
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
Not listed
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1997 – 2000
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 13, 2026, 5:07 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Immunogenicity and Safety of Seqirus Quadrivalent Influenza Vaccine (QIV) in a Pediatric Population 6 Months Through 59 Months of Age.

NCT02914275
View directory record Official record
Conditions
Influenza, Human
Interventions
Seqirus Quadrivalent Inactivated Influenza Vaccine, Comparator Quadrivalent Inactivated Influenza Vaccine
Biological
Lead sponsor
Seqirus
Industry
Eligibility
6 Months to 59 Months
Enrollment
2,250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
39
States / cities
Birmingham, Alabama • Mobile, Alabama • Anaheim, California + 27 more
Source: ClinicalTrials.gov public record
Updated Jan 23, 2019 · Synced Oct 13, 2026, 5:07 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Annual Study for Serum Collection for Immunogenicity and Safety Evaluation in Healthy Children Receiving Fluzone®

NCT00755274
View directory record Official record
Conditions
Influenza, Orthomyxoviridae Infections
Interventions
Influenza Virus Vaccine No Preservative: Pediatric Dose
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
6 Months to 5 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 14, 2016 · Synced Oct 13, 2026, 5:07 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Immunogenicity and Safety of Seqirus Quadrivalent Influenza Vaccine (QIV) in a Pediatric Population 5 Through 17 Years of Age

NCT02545543
View directory record Official record
Conditions
Influenza, Human
Interventions
Seqirus QIV, Comparator QIV
Biological
Lead sponsor
Seqirus
Industry
Eligibility
5 Years to 17 Years
Enrollment
2,278 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
32
States / cities
Huntsville, Alabama • Madera, California • Ontario, California + 29 more
Source: ClinicalTrials.gov public record
Updated May 23, 2018 · Synced Oct 13, 2026, 5:07 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Safety and Tolerability of Trivalent Influenza Virus Vaccine in Children Aged 5 Years to < 9 Years

NCT02212106
View directory record Official record
Conditions
Influenza, Human
Interventions
bioCSL Trivalent Influenza Virus Vaccine (CSL TIV), Comparator Quadrivalent Influenza Virus Vaccine
Biological
Lead sponsor
Seqirus
Industry
Eligibility
5 Years to 8 Years
Enrollment
402 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
11
States / cities
Los Angeles, California • Boise, Idaho • St Louis, Missouri + 8 more
Source: ClinicalTrials.gov public record
Updated Oct 16, 2015 · Synced Oct 13, 2026, 5:07 AM EDT
Terminated No phase listed Observational

Study of Maternal Hepatitis C Infection and Influenza Vaccination in Pregnancy

NCT00810875
View directory record Official record
Conditions
Hepatitis C
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
Not listed
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 25, 2014 · Synced Oct 13, 2026, 5:07 AM EDT