Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.

Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 14, 2026, 2:01 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 361–384 of 575 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Influenza Vaccine 2 Clear all
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 14, 2026, 2:01 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Assess Safety and Immunogenicity of A/H5 Inactivated Monovalent Influenza Vaccines at Different Antigen Dose Levels Adjuvanted With AS03 or MF59

NCT06560151
View directory record Official record
Conditions
Influenza
Interventions
3.75 µg H5N8 antigen plus full dose AS03A, 7.5 µg H5N8 antigen plus full dose AS03A, 15 µg H5N8 antigen plus full dose AS03A, 3.75 µg H5N8 antigen plus half dose AS03A, 7.5 µg H5N8 antigen plus half dose AS03A, 15 µg H5N8 antigen plus half dose AS03A, 3.75 µg H5N8 antigen plus MF59, 7.5 µg H5N8 antigen plus MF59, 15 µg H5N8 antigen plus MF59, 3.75 µg H5N1 antigen plus full dose AS03A, 7.5 µg H5N1 antigen plus full dose AS03A, 15 µg H5N1 antigen plus full dose AS03A, 3.75 µg H5N1 antigen plus MF59, 7.5 µg H5N1 antigen plus MF59, 15 µg H5N1 antigen plus MF59
Biological
Lead sponsor
Biomedical Advanced Research and Development Authority
Federal
Eligibility
18 Years and older
Enrollment
1,380 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
20
States / cities
Atlanta, Georgia • Savannah, Georgia • Oak Lawn, Illinois + 17 more
Source: ClinicalTrials.gov public record
Updated Oct 1, 2026 · Synced Oct 14, 2026, 2:01 PM 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 14, 2026, 2:01 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study to Evaluate the Immunogenicity and Safety of GlaxoSmithKline (GSK) Biologicals' Quadrivalent Influenza Vaccine (GSK2282512A) Compared to Fluzone® Quadrivalent in Children 6 to 35 Months of Age

NCT02242643
View directory record Official record
Conditions
Influenza
Interventions
FluLaval™ Quadrivalent, Fluzone® Quadrivalent
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
6 Months to 35 Months
Enrollment
2,432 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
64
States / cities
Birmingham, Alabama • Dothan, Alabama • Tucson, Arizona + 56 more
Source: ClinicalTrials.gov public record
Updated Sep 7, 2018 · Synced Oct 14, 2026, 2:01 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A/H5N1/LT Dose Ranging Study

NCT00908687
View directory record Official record
Conditions
Pandemic Influenza
Interventions
A/H5N1, LT Adjuvant Patch
Biological
Lead sponsor
Intercell USA, Inc.
Industry
Eligibility
18 Years to 49 Years
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
6
States / cities
Anaheim, California • Vallejo, California • Miami, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Dec 10, 2021 · Synced Oct 14, 2026, 2:01 PM EDT
Completed Phase 1Phase 2 Interventional

Lomecel-B on Vaccine-Specific Antibody- Response in Subjects With Aging Frailty

NCT02982915
View directory record Official record
Conditions
Aging Frailty
Interventions
Longeveron Mesenchymal Stem Cells (LMSCs), Fluzone High Dose Vaccine
Biological
Lead sponsor
Longeveron Inc.
Industry
Eligibility
65 Years to 90 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
6
States / cities
Coral Gables, Florida • Fort Myers, Florida • Miami, Florida + 2 more
Source: ClinicalTrials.gov public record
Updated Nov 4, 2022 · Synced Oct 14, 2026, 2:01 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 23, 2026 · Synced Oct 14, 2026, 2:01 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of PanBlok Influenza Vaccine in Healthy Adults

NCT01147068
View directory record Official record
Conditions
Influenza
Interventions
0.5mL Intramuscular Injection
Biological
Lead sponsor
Protein Sciences Corporation
Industry
Eligibility
18 Years to 49 Years
Enrollment
392 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
4
States / cities
Overland Park, Kansas • Omaha, Nebraska • Rochester, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 26, 2012 · Synced Oct 14, 2026, 2:01 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Cellular and Humoral Immune Response to Primary and Secondary Immunization With Subvirion H5N1 Vaccines

NCT01086566
View directory record Official record
Conditions
Influenza
Interventions
Influenza Virus Vaccine, Monovalent A/H5N1 A/Indonesia/05/2005
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 64 Years
Enrollment
95 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jan 1, 2016 · Synced Oct 14, 2026, 2:01 PM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

A Study to Learn About mRNA Vaccines Against Influenza in Adults

NCT07431853
View directory record Official record
Conditions
Healthy Adults
Interventions
Vaccine Candidate #1, Vaccine Candidate #2, Vaccine Candidate #3, Vaccine Candidate #4, Vaccine Candidate #5, Vaccine Candidate #6, TIV1 or TIV2
Biological
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
770 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
15
States / cities
Mobile, Alabama • Walnut Creek, California • Milford, Connecticut + 12 more
Source: ClinicalTrials.gov public record
Updated May 6, 2026 · Synced Oct 14, 2026, 2:01 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A/H5N1 Dose Ranging Study With Adjuvant Patch

NCT00532792
View directory record Official record
Conditions
Pandemic Influenza
Interventions
A/H5N1, Placebo
Biological
Lead sponsor
Intercell USA, Inc.
Industry
Eligibility
18 Years to 49 Years
Enrollment
501 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
5
States / cities
Vallejo, California • Miami, Florida • Kansas City, Kansas + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 14, 2012 · Synced Oct 14, 2026, 2:01 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

A Study to Find and Confirm the Dose and Assess Safety, Reactogenicity and Immune Response of a Vaccine Against Pandemic H5N1 Influenza Virus in Healthy Younger and Older Adults

NCT06382311
View directory record Official record
Conditions
Influenza, Human
Interventions
Flu Pandemic mRNA_Dose level 1, Flu Pandemic mRNA_Dose level 2, Flu Pandemic mRNA_ Dose level 3., Flu Pandemic mRNA_ Dose level 4, Flu Pandemic mRNA_Dose level 5, Flu Pandemic mRNA_Dose level 6, Influenza virus vaccine, Placebo
Biological · Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 85 Years
Enrollment
991 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
21
States / cities
Anniston, Alabama • Little Rock, Arkansas • Fort Collins, Colorado + 18 more
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Oct 14, 2026, 2:01 PM EDT
Recruiting Phase 2 Interventional

High vs.Standard Dose Influenza Vaccine in Pediatric Solid Organ Transplant (SOT) Recipients

NCT05947071
View directory record Official record
Conditions
Immunization; Infection, Transplantation Infection, Influenza
Interventions
Standard Dose Quadrivalent Inactivated Influenza Vaccine, High Dose Quadrivalent Inactivated Influenza Vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
3 Years to 17 Years
Enrollment
312 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
10
States / cities
Stanford, California • Atlanta, Georgia • Chicago, Illinois + 7 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 14, 2026, 2:01 PM 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 14, 2026, 2:01 PM 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 14, 2026, 2:01 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

From Innovation to Solutions: Childhood Influenza Vaccination Planning

NCT01664793
View directory record Official record
Conditions
Influenza
Interventions
4 Pillars Immunization Toolkit
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
6 Months to 18 Years
Enrollment
87,665 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 24, 2014 · Synced Oct 14, 2026, 2:01 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Immunogenicity and Safety of a Cell-derived Influenza Vaccine in Adults Aged >= 18 and <= 64, Plus Revaccination

NCT00889889
View directory record Official record
Conditions
Influenza
Interventions
Cell-Derived Trivalent Subunit Influenza Vaccine, Placebo
Biological
Lead sponsor
Abbott Biologicals
Industry
Eligibility
18 Years to 64 Years
Enrollment
1,270 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
15
States / cities
Jacksonville, Florida • Pembroke Pines, Florida • South Miami, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Oct 25, 2013 · Synced Oct 14, 2026, 2:01 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Shedding and Safety of Trivalent Influenza Virus Vaccine Live, Intranasal in Infants and Young Children

NCT00344305
View directory record Official record
Conditions
Healthy
Interventions
Trivalent influenza virus vaccine live, intranasal
Biological
Lead sponsor
MedImmune LLC
Industry
Eligibility
6 Months to 59 Months
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
16
States / cities
Little Rock, Arkansas • Marietta, Georgia • Bardstown, Kentucky + 13 more
Source: ClinicalTrials.gov public record
Updated Jul 24, 2017 · Synced Oct 14, 2026, 2:01 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Reverse Genetic H9N2 Influenza Vaccine Study in Adults

NCT01320696
View directory record Official record
Conditions
Influenza
Interventions
Reverse Genetic (RG) reassortant A/H9N2 influenza vaccine
Biological
Lead sponsor
Alachua Government Services, Inc.
Industry
Eligibility
18 Years to 49 Years
Enrollment
353 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
5
States / cities
Huntsville, Alabama • Melbourne, Florida • Peoria, Illinois + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 16, 2023 · Synced Oct 14, 2026, 2:01 PM EDT
Completed No phase listed Observational

Impact of Immunosuppression in IBD Patients on Response to Influenza Vaccine

NCT00542776
View directory record Official record
Conditions
Inflammatory Bowel Disease (IBD), Immunosuppressed or Non-Immunosuppressed, Influenza Vaccine, Antibody Titers, Seroprotective Titers
Interventions
blood draw
Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
5 Years and older
Enrollment
146 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 1, 2008 · Synced Oct 14, 2026, 2:01 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Infectivity, Replication & Immunogenicity of Live nH1N1 Vaccine

NCT01023776
View directory record Official record
Conditions
Influenza
Interventions
A/California/07/09 live monovalent H1N1 vaccine
Biological
Lead sponsor
University of Rochester
Other
Eligibility
18 Years to 32 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Dec 23, 2015 · Synced Oct 14, 2026, 2:01 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Immunogenicity Study of an Inactivated Influenza Vaccine (Split Virus, Vero Cell Derived) to Prevent Culture Confirmed Influenza Infection

NCT00800605
View directory record Official record
Conditions
Influenza
Interventions
Vero cell-derived, trivalent, seasonal influenza vaccine, Placebo: Phosphate-buffered saline
Biological
Lead sponsor
Alachua Government Services, Inc.
Industry
Eligibility
18 Years to 49 Years
Enrollment
7,250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
36
States / cities
Tucson, Arizona • Sacramento, California • San Diego, California + 31 more
Source: ClinicalTrials.gov public record
Updated Nov 24, 2025 · Synced Oct 14, 2026, 2:01 PM EDT
Terminated Phase 4 Interventional Results available

Test-and-treat for Influenza in Homeless Shelters

NCT04141917
View directory record Official record
Conditions
Influenza, Respiratory Viral Infection
Interventions
Point-of-care molecular testing and treatment of influenza
Combination Product
Lead sponsor
University of Washington
Other
Eligibility
3 Months and older
Enrollment
1,618 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
9
States / cities
Burien, Washington • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 22, 2022 · Synced Oct 14, 2026, 2:01 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Assess the Safety & Immunogenicity of Stored Inactivated Influenza H5N1 Virus Vaccine Given With & Without Stored MF59 Adjuvant

NCT02680002
View directory record Official record
Conditions
A/Vietnam/H5N1 Influenza Virus
Interventions
7.5 mcg H5N1 (stored as monobulk), 15 mcg H5N1 (stored as monobulk), 90 mcg H5N1 (stored as monobulk), 90 mcg H5N1 (stored in vials), MF59, MF59 (stored as monobulk)
Biological · Other
Lead sponsor
Biomedical Advanced Research and Development Authority
Federal
Eligibility
18 Years to 49 Years
Enrollment
422 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
6
States / cities
Atlanta, Georgia • Council Bluffs, Iowa • Lenexa, Kansas + 3 more
Source: ClinicalTrials.gov public record
Updated Aug 31, 2020 · Synced Oct 14, 2026, 2:01 PM EDT