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ClinicalTrials.gov public records Last synced Oct 4, 2026, 8:59 AM EDT

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Showing 97–120 of 1,154 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Influenza Vaccine Clear all
Completed Phase 4 Interventional Accepts healthy volunteers Results available

The Immunologic Basis for an Attenuated Immune Response to the Influenza Vaccine After Repeated Annual Vaccination

NCT02876159
View directory record Official record
Conditions
Influenza
Interventions
2016-2017 Influenza Vaccine
Biological
Lead sponsor
Emory University
Other
Eligibility
20 Years to 30 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Dec 12, 2018 · Synced Oct 4, 2026, 8:59 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

A Study to Evaluate the Safety of FluMist in Healthy Children and Healthy Adults

NCT00113880
View directory record Official record
Conditions
Healthy
Interventions
FluMist
Biological
Lead sponsor
MedImmune LLC
Industry
Eligibility
5 Years to 49 Years
Enrollment
63,061 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2010
U.S. locations
77
States / cities
Alameda, California • Antioch, California • Clovis, California + 49 more
Source: ClinicalTrials.gov public record
Updated Jan 8, 2013 · Synced Oct 4, 2026, 8:59 AM EDT
Withdrawn Phase 4 Interventional Accepts healthy volunteers

Response to Inactivated Influenza Vaccine in Lymph Tissue and Blood

NCT03898973
View directory record Official record
Conditions
Influenza
Interventions
Quadrivalent inactivated influenza vaccine (IIV)
Biological
Lead sponsor
Stanford University
Other
Eligibility
20 Years to 75 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Nov 21, 2023 · Synced Oct 4, 2026, 8:59 AM EDT
Recruiting Phase 3 Interventional

A Surveillance Study of Susceptibility to Baloxavir Marboxil in Pediatric Participants With Influenza and Transmission of Influenza to Household Contacts

NCT06094010
View directory record Official record
Conditions
Influenza
Interventions
Baloxavir Marboxil
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
3 Weeks to 11 Years
Enrollment
1,100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
28
States / cities
Birmingham, Alabama • Harrisburg, Arkansas • Miami, Florida + 23 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 4, 2026, 8:59 AM 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 28, 2013 · Synced Oct 4, 2026, 8:59 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Systems Biological Assessment of Statin Effect on Vaccine Responses

NCT06024096
View directory record Official record
Conditions
Vaccine Response
Interventions
Atorvastatin, Quadrivalent seasonal influenza vaccine
Drug · Biological
Lead sponsor
Emory University
Other
Eligibility
18 Years to 50 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 14, 2026 · Synced Oct 4, 2026, 8:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Influenza Vaccination in the Emergency Department

NCT00822627
View directory record Official record
Conditions
Influenza
Interventions
Influenza Vaccination, Education and referral
Drug · Behavioral
Lead sponsor
University of Arizona
Other
Eligibility
6 Months and older
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Jan 14, 2009 · Synced Oct 4, 2026, 8:59 AM EDT
Completed Not applicable Interventional Results available

Open-Label Influenza Vaccine Evaluation

NCT02872311
View directory record Official record
Conditions
Immune Response
Interventions
High Dose Influenza vaccine, Adjuvanted Influenza vaccine, Standard Dose Influenza vaccine, Recombinant Influenza vaccine
Biological
Lead sponsor
Marshfield Clinic Research Foundation
Other
Eligibility
65 Years to 74 Years
Enrollment
179 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Marshfield, Wisconsin
Source: ClinicalTrials.gov public record
Updated Dec 10, 2025 · Synced Oct 4, 2026, 8:59 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Screening for LID Clinical Studies Unit Healthy Volunteer Protocols

NCT01386424
View directory record Official record
Conditions
Zika, Influenza
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 65 Years
Enrollment
5,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 22, 2026 · Synced Oct 4, 2026, 8:59 AM EDT
Not yet recruiting Not applicable Interventional

Clinical Validation of the Aptitude Medical Systems Metrix Respiratory Panel Test in At-Home/Non-Laboratory Settings

NCT07217639
View directory record Official record
Conditions
COVID -19, Influenza A, Influenza B, Respiratory Synctial Virus, RSV, Rhinovirus
Interventions
Aptitude Medical Systems Respiratory Panel Test
Diagnostic Test
Lead sponsor
Aptitude Medical Systems
Industry
Eligibility
Not listed
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Trussville, Alabama
Source: ClinicalTrials.gov public record
Updated Oct 16, 2025 · Synced Oct 4, 2026, 8:59 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Pomegranate Products for Prevention of Common Cold

NCT00617318
View directory record Official record
Conditions
Influenza, Common Cold, Cough, Headache, Fever
Interventions
Pomegranate, Placebo
Dietary Supplement
Lead sponsor
Texas Heart Institute
Other
Eligibility
21 Years to 49 Years
Enrollment
461 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Feb 18, 2008 · Synced Oct 4, 2026, 8:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Influenza Vaccination Digital Interventions for People Living With Diabetes

NCT03870997
View directory record Official record
Conditions
Diabetes
Interventions
Diabetes Digital Intervention, Generic Digital Intervention
Behavioral
Lead sponsor
Evidation Health
Industry
Eligibility
18 Years and older
Enrollment
94,321 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
San Mateo, California
Source: ClinicalTrials.gov public record
Updated Jun 9, 2020 · Synced Oct 4, 2026, 8:59 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

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

NCT01333462
View directory record Official record
Conditions
Healthy Adult Volunteers
Interventions
NB-1008, Control
Biological · Other
Lead sponsor
NanoBio Corporation
Industry
Eligibility
18 Years to 49 Years
Enrollment
199 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Apr 12, 2011 · Synced Oct 4, 2026, 8:59 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Influenza Vaccination for Parents and Other Caregivers in the Pediatric Medical Home

NCT00812110
View directory record Official record
Conditions
Influenza
Interventions
Influenzae vaccine
Drug
Lead sponsor
Akron Children's Hospital
Other
Eligibility
18 Years and older
Enrollment
336 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Akron, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 23, 2013 · Synced Oct 4, 2026, 8:59 AM EDT
Terminated Phase 3 Interventional Results available

A Study to Evaluate the Efficacy and Safety of Pimodivir in Combination With the Standard-of-Care Treatment in Adolescent, Adult, and Elderly Non-Hospitalized Participants With Influenza A Infection Who Are at Risk of Developing Complications

NCT03381196
View directory record Official record
Conditions
Influenza A
Interventions
Pimodivir 600 mg, Placebo, SOC Treatment
Drug · Other
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
13 Years to 85 Years
Enrollment
553 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
140
States / cities
Birmingham, Alabama • Scottsboro, Alabama • California City, California + 105 more
Source: ClinicalTrials.gov public record
Updated Feb 4, 2025 · Synced Oct 4, 2026, 8:59 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety, Tolerability, and Immunogenicity of VAL-339851 in Healthy Adult Subjects

NCT03345043
View directory record Official record
Conditions
Influenza
Interventions
VAL-339851, Placebo
Biological · Other
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
18 Years to 49 Years
Enrollment
156 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jan 11, 2021 · Synced Oct 4, 2026, 8:59 AM EDT
Completed Phase 1 Interventional Results available

Standard vs High-Dose Trivalent Inactivated Flu Vaccine in Adult Hematopoetic Stem Cell Transplant (HSCT) Recipients

NCT01215734
View directory record Official record
Conditions
Adult Stem Cell Hematopoetic Transplant
Interventions
High-Dose Trivalent Inactivated Influenza Vaccine (HD-TIV), Standard Dose Trivalent Inactivated Flu Vaccine
Biological
Lead sponsor
Vanderbilt-Ingram Cancer Center
Other
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 8, 2013 · Synced Oct 4, 2026, 8:59 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Safety and Immune Responses to Fluzone® Vaccination

NCT00835926
View directory record Official record
Conditions
Influenza
Interventions
Influenza virus vaccine
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
18 Years and older
Enrollment
121 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 14, 2016 · Synced Oct 4, 2026, 8:59 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 3, 2014 · Synced Oct 4, 2026, 8:59 AM EDT
Completed Phase 2 Interventional Results available

Evaluation of Efficacy and Safety of Peramivir in Adults With Acute Serious or Potentially Life-threatening Influenza

NCT00453999
View directory record Official record
Conditions
Influenza
Interventions
Peramivir 200 mg, Peramivir 400 mg, Oseltamivir
Drug
Lead sponsor
BioCryst Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
137 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
41
States / cities
Mobile, Alabama • Jonesboro, Arkansas • Orange, California + 33 more
Source: ClinicalTrials.gov public record
Updated Feb 12, 2015 · Synced Oct 4, 2026, 8:59 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Follow-On Study With an H5 Influenza Vaccine for Subjects Who Participated in Study FLU-001

NCT01403155
View directory record Official record
Conditions
Healthy
Interventions
INO-3401 + EP
Biological
Lead sponsor
Inovio Pharmaceuticals
Industry
Eligibility
18 Years to 50 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
2
States / cities
Overland Park, Kansas • Rockville, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 13, 2017 · Synced Oct 4, 2026, 8:59 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Influenza Challenge in Mood Disorders

NCT02415166
View directory record Official record
Conditions
MAJOR DEPRESSIVE DISORDER
Interventions
INFLUENZA VACCINE, NaCl-saline placebo
Biological · Other
Lead sponsor
Laureate Institute for Brain Research, Inc.
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Tulsa, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jan 23, 2018 · Synced Oct 4, 2026, 8:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Prompt to Bundle COVID-19 Booster and Flu Shot

NCT05586165
View directory record Official record
Conditions
COVID-19, Vaccines
Interventions
Reminder to boost protection against COVID-19, Flu Tag Along, COVID-19 Booster & Flu Bundle
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
109,493 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 5, 2024 · Synced Oct 4, 2026, 8:59 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Safety, Tolerability, and Immunogenicity of Combined Modified RNA Vaccine Candidates Against COVID-19 and Influenza

NCT05596734
View directory record Official record
Conditions
Influenza, Human, COVID-19
Interventions
bivalent BNT162b2 (original/Omi BA.4/BA.5), qIRV (22/23), QIV, bIRV, tIRV
Biological
Lead sponsor
BioNTech SE
Industry
Eligibility
18 Years and older
Enrollment
1,019 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
59
States / cities
Athens, Alabama • Phoenix, Arizona • Lake Forest, California + 40 more
Source: ClinicalTrials.gov public record
Updated Jul 23, 2025 · Synced Oct 4, 2026, 8:59 AM EDT