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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Influenza,Human Clear all
Not listed No phase listed Observational Accepts healthy volunteers

Fluad vs. Fluzone High-Dose Vaccine Effectiveness Among Adults ≥65 Years

NCT06029933
View directory record Official record
Conditions
Influenza, Community-acquired Pneumonia, Cardiovascular Events
Interventions
Adjuvanted Quadrivalent Inactivated Influenza Vaccine (aIIV4), High-Dose Quadrivalent Inactivated Influenza Vaccine (HD-IIV4)
Biological
Lead sponsor
Kaiser Permanente
Other
Eligibility
65 Years and older
Enrollment
960,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Sep 7, 2023 · Synced Jun 26, 2026, 1:09 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Immunogenicity of ND1.1 by Delivery Directly to the Ileum

NCT01698060
View directory record Official record
Conditions
Avian Influenza
Interventions
ND1.1
Biological
Lead sponsor
Vaxart
Industry
Eligibility
18 Years to 49 Years · Male only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Dec 9, 2014 · Synced Jun 26, 2026, 1:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Atopic Dermatitis Research Network (ADRN) Influenza Vaccine Study

NCT01737710
View directory record Official record
Conditions
Dermatitis, Atopic
Interventions
Fluzone® Intradermal Vaccine, Fluzone® (Intramuscular) vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 64 Years · Female only
Enrollment
368 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
5
States / cities
Denver, Colorado • Chicago, Illinois • Boston, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 28, 2017 · Synced Jun 26, 2026, 1:09 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Influenza Antiviral DAS181-F03

NCT01173224
View directory record Official record
Conditions
Influenza
Interventions
Placebo, DAS181
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 18, 2013 · Synced Jun 26, 2026, 1:09 PM 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 Jun 26, 2026, 1:09 PM EDT
Active, not recruiting Not applicable Interventional

Comparison of Nasopharyngeal Swab v. Nasopharyngeal Saline Wash or Saliva Collection in Testing for Respiratory Viruses

NCT05864118
View directory record Official record
Conditions
Respiratory Tract Infections
Interventions
Respiratory pathogen panel PCR test, COVID-19 antibody test
Diagnostic Test
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Apr 16, 2026 · Synced Jun 26, 2026, 1:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Increasing Vaccine Uptake Among Veterans at the Atlanta VA Health Care System

NCT03950986
View directory record Official record
Conditions
Influenza, Tetanus, Diphtheria, Pertussis, Pneumonia
Interventions
Modified clinical reminders
Other
Lead sponsor
Atlanta VA Medical Center
Federal
Eligibility
Not listed
Enrollment
67,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Decatur, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 9, 2020 · Synced Jun 26, 2026, 1:09 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Influenza Vaccine Revaccination in Ambulatory Elderly Subjects

NCT00775450
View directory record Official record
Conditions
Influenza, Orthomyxovirus Infection, Myxovirus Infection
Interventions
Influenza Virus Vaccine USP Trivalent Types A and B
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
65 Years and older
Enrollment
807 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
28
States / cities
Hoover, Alabama • Mobile, Alabama • Chandler, Arizona + 24 more
Source: ClinicalTrials.gov public record
Updated Dec 30, 2013 · Synced Jun 26, 2026, 1:09 PM EDT
Completed Phase 2 Interventional Results available

Study Comparing High-Dose Flu Vaccine to Standard Vaccine in Cancer Patients Less Than 65 Receiving Chemotherapy

NCT01666782
View directory record Official record
Conditions
Cancer, Influenza Viral Infections
Interventions
Standard Trivalent Influenza Vaccine, High-Dose Influenza Vaccine
Biological
Lead sponsor
Saad Jamshed MD
Other
Eligibility
18 Years to 64 Years
Enrollment
105 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
2
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jun 23, 2016 · Synced Jun 26, 2026, 1:09 PM EDT
Completed No phase listed Observational

Surveillance of Influenza Virus Shedding and Immunologic Response in Immunocompromised Children and Young Adults

NCT00998803
View directory record Official record
Conditions
Influenza Virus
Interventions
Not listed
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
Up to 21 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 31, 2012 · Synced Jun 26, 2026, 1:09 PM EDT
Completed No phase listed Observational

Clinical IGSP-CHOP Boston

NCT00428831
View directory record Official record
Conditions
Influenza
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
30 Days and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 19, 2013 · Synced Jun 26, 2026, 1:09 PM EDT
Completed No phase listed Observational

QuickVue Influenza A + B Test Field Study

NCT03417869
View directory record Official record
Conditions
Influenza A, Influenza B
Interventions
QuickVue Influenza A+B
Device
Lead sponsor
Quidel Corporation
Industry
Eligibility
Not listed
Enrollment
1,381 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
5
States / cities
Phoenix, Arizona • Rochester, New York • Belton, Texas + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 19, 2018 · Synced Jun 26, 2026, 1:09 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Exercise and COVID-19 Viral T-cell Immunity

NCT05019456
View directory record Official record
Conditions
COVID-19 Respiratory Infection, Influenza
Interventions
COVID-19 Vaccine
Biological
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 44 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 26, 2025 · Synced Jun 26, 2026, 1:09 PM EDT
Completed No phase listed Observational

Detection of Influenza A, Influenza B, and RSV Using the Liat™ Assays on the Liat™ Analyzer

NCT02067286
View directory record Official record
Conditions
Influenza A, Influenza B, Respiratory Syncytial Virus (RSV)
Interventions
Not listed
Lead sponsor
IQuum, Inc.
Industry
Eligibility
Not listed
Enrollment
1,642 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
8
States / cities
Delray Beach, Florida • Savannah, Georgia • Indianapolis, Indiana + 5 more
Source: ClinicalTrials.gov public record
Updated Aug 30, 2016 · Synced Jun 26, 2026, 1:09 PM EDT
Completed Not applicable Interventional

Efficacy of Communication Modalities for Promoting Flu Shots

NCT05509270
View directory record Official record
Conditions
Influenza Vaccination, Health Promotion, Health Behavior, Risk Reduction
Interventions
Letter, Patient portal, SMS
Behavioral
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years and older
Enrollment
43,225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 11, 2022 · Synced Jun 26, 2026, 1:09 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety and Immunogenicity Study of Inactivated Nasal Influenza Vaccine NB-1008 Administered by Sprayer

NCT01354379
View directory record Official record
Conditions
Healthy Adult Volunteers
Interventions
NB-1008, Fluzone IN
Biological
Lead sponsor
NanoBio Corporation
Industry
Eligibility
18 Years to 49 Years
Enrollment
125 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Mar 27, 2013 · Synced Jun 26, 2026, 1:09 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Inactivated Influenza Vaccine in Infants 10-22 Weeks of Age

NCT00231920
View directory record Official record
Conditions
Influenza
Interventions
Fluzone
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
10 Weeks to 22 Weeks
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2006
U.S. locations
2
States / cities
Cincinnati, Ohio • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 11, 2011 · Synced Jun 26, 2026, 1:09 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

A Safety and Immunogenicity Trial in Adults 65 Years of Age or Over to Prevent Influenza

NCT00706732
View directory record Official record
Conditions
Influenza
Interventions
AVX502, Placebo
Biological
Lead sponsor
AlphaVax, Inc.
Industry
Eligibility
65 Years and older
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Jul 11, 2012 · Synced Jun 26, 2026, 1:09 PM EDT
Withdrawn No phase listed Observational

B-Cell Hematologic Malignancy Vaccination Registry

NCT02298816
View directory record Official record
Conditions
Monoclonal Gammopathy of Undetermined Significance, Multiple Myeloma, Waldenstrom Macroglobulinemia, Lymphocytosis, Lymphoma, Non-Hodgkin, B-Cell Chronic Lymphocytic Leukemia, Hematological Malignancies
Interventions
Not listed
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
Not listed
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2025
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 2, 2024 · Synced Jun 26, 2026, 1:09 PM EDT
Completed No phase listed Observational Results available

FeverText: Assessing Fever Rates After Vaccination During the 2011-12 Influenza Season Using Text Messaging

NCT01467934
View directory record Official record
Conditions
Fever
Interventions
Not listed
Lead sponsor
Columbia University
Other
Eligibility
6 Months to 23 Months
Enrollment
530 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
2
States / cities
Atlanta, Georgia • New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 20, 2014 · Synced Jun 26, 2026, 1:09 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

SCIVAX: Biomarkers of Immune Dysfunction and Vaccine Responsiveness in Chronic SCI

NCT05869968
View directory record Official record
Conditions
Spinal Cord Injuries, Traumatic Spinal Cord Injury, Healthy Controls, Flu Vaccine, COVID-19 Vaccine
Interventions
Not listed
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 89 Years
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Manhasset, New York
Source: ClinicalTrials.gov public record
Updated Apr 2, 2026 · Synced Jun 26, 2026, 1:09 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Safety and Immunogenicity of a Monovalent Inactivated Influenza H3N2 Variant (H3N2v) Vaccine in Adult and Elderly Populations

NCT01746082
View directory record Official record
Conditions
Influenza
Interventions
Influenza A/H3N2 variant Vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
211 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
4
States / cities
Decatur, Georgia • Iowa City, Iowa • Houston, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 27, 2014 · Synced Jun 26, 2026, 1:09 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Responses to Live Attenuated Influenza Virus (LAIV) in Chronic Obstructive Pulmonary Disease (COPD)

NCT04901455
View directory record Official record
Conditions
COPD
Interventions
LAIV
Biological
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
40 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 22, 2026 · Synced Jun 26, 2026, 1:09 PM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

Study of the Immunogenicity and Safety of a Quadrivalent Influenza Vaccine (VAX2012Q) in Adults 18-64 Years

NCT02434276
View directory record Official record
Conditions
Influenza
Interventions
VAX2012Q, Fluzone Quadrivalent
Biological
Lead sponsor
VaxInnate Corporation
Industry
Eligibility
18 Years to 64 Years
Enrollment
450 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
6
States / cities
Huntsville, Alabama • San Diego, California • Melbourne, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Jun 25, 2015 · Synced Jun 26, 2026, 1:09 PM EDT