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 11, 2026, 1:30 PM EDT

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

Showing 217–240 of 1,155 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Influenza Vaccine Clear all
Completed No phase listed Observational Accepts healthy volunteers

Cigarette Smoke and Susceptibility to Influenza Infection

NCT00448617
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 35 Years
Enrollment
138 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2011
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated May 29, 2015 · Synced Oct 11, 2026, 1:30 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Vaccine Efficacy in Diabetic and Elderly Patients

NCT02675608
View directory record Official record
Conditions
Inflammation
Interventions
Influenza Virus Vaccine
Biological
Lead sponsor
Tulane University
Other
Eligibility
18 Years and older
Enrollment
164 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2015
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Jan 13, 2017 · Synced Oct 11, 2026, 1:30 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Comparative Study of Influenza Vaccines in Adults, FLUVACS-year 4

NCT00538512
View directory record Official record
Conditions
Influenza
Interventions
Fluzone, Flumist, Physiologic saline
Biological · Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 49 Years
Enrollment
1,952 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
4
States / cities
Ann Arbor, Michigan • Kalamazoo, Michigan • Mount Pleasant, Michigan + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 6, 2017 · Synced Oct 11, 2026, 1:30 PM 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 Oct 9, 2026 · Synced Oct 11, 2026, 1:30 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 11, 2026, 1:30 PM EDT
Completed Not applicable Interventional

Influenza Diagnosis, Treatment and Surveillance With Xpert Flu

NCT01947049
View directory record Official record
Conditions
Influenza
Interventions
Rapid Influenza Testing with Xpert Flu
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
2,011 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
4
States / cities
Phoenix, Arizona • Sylmar, California • Baltimore, Maryland + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 18, 2017 · Synced Oct 11, 2026, 1:30 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study of Intradermal Quadrivalent Influenza Vaccine in Adults Aged 18 Through 64 Years

NCT01712984
View directory record Official record
Conditions
Influenza
Interventions
Influenza Virus Vaccine USP Quadrivalent, (Zonal Purified Subvirion) 2012 2013 Formulation, Influenza Virus Vaccine USP Trivalent Types A and B (Zonal Purified Subvirion) Fluzone Intradermal
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
18 Years to 64 Years
Enrollment
3,360 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
38
States / cities
Hoover, Alabama • Huntsville, Alabama • Chandler, Arizona + 32 more
Source: ClinicalTrials.gov public record
Updated May 7, 2015 · Synced Oct 11, 2026, 1:30 PM EDT
Terminated No phase listed Observational Results available

Evaluation of a Screen and Treat Protocol for Influenza

NCT06207058
View directory record Official record
Conditions
Influenza
Interventions
Baloxavir Marboxil
Drug
Lead sponsor
Tricore, Inc
Other
Eligibility
5 Years and older
Enrollment
25 participants
Timeline
2024
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated May 23, 2025 · Synced Oct 11, 2026, 1:30 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Evaluation of the Safety and Immunogenicity of a Recombinant Trivalent Nanoparticle Influenza Vaccine With Matrix M-1 Adjuvant (NanoFlu)

NCT03293498
View directory record Official record
Conditions
Influenza
Interventions
NanoFlu, Fluzone HD - Day 0, Fluzone HD - Day 21, Saline - Day 21
Biological · Other
Lead sponsor
Novavax
Industry
Eligibility
60 Years and older
Enrollment
330 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
3
States / cities
Raleigh, North Carolina • Rocky Mount, North Carolina • Statesville, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 21, 2022 · Synced Oct 11, 2026, 1:30 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 11, 2026, 1:30 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of an MF59-Adjuvanted Influenza Vaccine in Older Adults

NCT04576702
View directory record Official record
Conditions
Influenza, Human
Interventions
Investigational aIIV4c, IIV4c, aIIV4, RIV4
Biological
Lead sponsor
Seqirus
Industry
Eligibility
50 Years and older
Enrollment
471 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
21
States / cities
Mobile, Alabama • Tempe, Arizona • Jacksonville, Florida + 17 more
Source: ClinicalTrials.gov public record
Updated Apr 17, 2024 · Synced Oct 11, 2026, 1:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Protecting Pregnant Women From Infectious Diseases

NCT01761799
View directory record Official record
Conditions
Influenza, Pertussis
Interventions
P3 Vaccine Promotion Package.
Behavioral
Lead sponsor
Emory University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
330 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
11
States / cities
Athens, Georgia • Atlanta, Georgia • Bogart, Georgia + 6 more
Source: ClinicalTrials.gov public record
Updated Nov 2, 2015 · Synced Oct 11, 2026, 1:30 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Inactivated Influenza A/H9N2 Vaccine With and Without MF59 Adjuvant in Ambulatory Adults

NCT00133471
View directory record Official record
Conditions
Influenza
Interventions
Influenza A/H9N2 vaccine, MF59 adjuvant
Biological · Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 34 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 27, 2010 · Synced Oct 11, 2026, 1:30 PM EDT
Terminated Phase 2Phase 3 Interventional Results available

Baloxavir in Combination With Oseltamivir in Allogenic Bone Marrow Transplant Recipients With Influenza

NCT05170009
View directory record Official record
Conditions
Influenza
Interventions
Baloxavir Marboxil, Placebo, Oseltamivir
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 26, 2025 · Synced Oct 11, 2026, 1:30 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacodynamic Open-Label Trial With VXA-A1.1 Oral H1 Vaccine in Healthy Adults

NCT03121339
View directory record Official record
Conditions
Seasonal Influenza Preventative Vaccine Pharmacodynamics
Interventions
VXA-A1.1 H1 Tablet Vaccine (small), VXA-A1.1 H1 Tablet Vaccine (large)
Biological
Lead sponsor
Vaxart
Industry
Eligibility
18 Years to 49 Years · Male only
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated May 30, 2018 · Synced Oct 11, 2026, 1:30 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Safety and Immune Response of mRNA-1345, a Vaccine Targeting Respiratory Syncytial Virus (RSV), When Co-administered With a Fluzone HD, in Adults ≥65 Years of Age

NCT06060457
View directory record Official record
Conditions
Respiratory Syncytial Virus
Interventions
Placebo, mRNA-1345, Fluzone HD
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
65 Years and older
Enrollment
1,900 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
34
States / cities
Scottsdale, Arizona • Dublin, California • Riverside, California + 29 more
Source: ClinicalTrials.gov public record
Updated Jul 30, 2025 · Synced Oct 11, 2026, 1:30 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Clinical Outcomes and Pharmacotherapy Effectiveness in the VA Health Care System (COPE-VA)

NCT06160128
View directory record Official record
Conditions
COVID-19, SARS-CoV-2 Infection, RSV, Influenza
Interventions
Not listed
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
400,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Sep 30, 2026 · Synced Oct 11, 2026, 1:30 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Adjuvanted Influenza Vaccination Year 2 Follow-On Survey

NCT03599739
View directory record Official record
Conditions
Influenza, Influenza-like Illness, Influenza, Human
Interventions
Influenza
Biological
Lead sponsor
Insight Therapeutics, LLC
Other
Eligibility
65 Years and older
Enrollment
598 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 16, 2023 · Synced Oct 11, 2026, 1:30 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Live Attenuated Influenza Vaccine as a Nasal Model for Influenza Infection

NCT04164212
View directory record Official record
Conditions
Influenza
Interventions
Flumist Quadrivalent Nasal Product
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 49 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Sep 25, 2026 · Synced Oct 11, 2026, 1:30 PM EDT
Completed Phase 2 Interventional Results available

Immunogenicity of Fluzone HD,A High Dose Influenza Vaccine, In Children With Cancer or HIV

NCT01205581
View directory record Official record
Conditions
HIV, Cancer
Interventions
Fluzone High Dose Vaccine, Fluzone Standard Dose Vaccine
Biological
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
3 Years to 21 Years
Enrollment
85 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 23, 2016 · Synced Oct 11, 2026, 1:30 PM EDT
Completed Phase 2 Interventional

Evaluating New Formulation of Therapeutic HSV-2 Vaccine

NCT02515175
View directory record Official record
Conditions
Genital Herpes Simplex Type 2
Interventions
Matrix-M2, GEN-003, Placebo
Biological · Drug
Lead sponsor
Genocea Biosciences, Inc.
Industry
Eligibility
18 Years to 50 Years
Enrollment
131 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
8
States / cities
Birmingham, Alabama • San Diego, California • San Francisco, California + 5 more
Source: ClinicalTrials.gov public record
Updated May 22, 2018 · Synced Oct 11, 2026, 1:30 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Immunologic Response to Influenza Vaccination in Children and Adolescents

NCT03614975
View directory record Official record
Conditions
Influenza, Human, Immune Response
Interventions
Flucelvax inactivated influenza vaccine, Fluzone inactivated influenza vaccine
Biological
Lead sponsor
Richard Zimmerman MD
Other
Eligibility
4 Years to 20 Years
Enrollment
166 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 18, 2020 · Synced Oct 11, 2026, 1:30 PM EDT
Completed Not applicable Interventional

Vaccination Uptake (VAX) in PD

NCT02874274
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Standard of Care, Home Visit Program (HVP)
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
65 Years and older
Enrollment
164 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 10, 2020 · Synced Oct 11, 2026, 1:30 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Immunogenicity and Safety of Pandemic Influenza Vaccines in Adults Aged 18 - 49 Years Old

NCT01236040
View directory record Official record
Conditions
Influenza
Interventions
GSK Biologicals' investigational vaccine GSK2590066A, GSK Biologicals' investigational vaccine GSK2592984A, GSK Biologicals' investigational vaccine GSK2340274A, GSK Biologicals' investigational vaccine GSK2340273A, Placebo
Biological · Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 49 Years
Enrollment
521 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
4
States / cities
Anaheim, California • Stockbridge, Georgia • Lenexa, Kansas + 1 more
Source: ClinicalTrials.gov public record
Updated May 10, 2017 · Synced Oct 11, 2026, 1:30 PM EDT