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ClinicalTrials.gov public records Last synced Oct 19, 2026, 8:26 PM EDT

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Showing 433–456 of 1,159 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Fluarix Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the Safety and Immunogenicity of a Single Dose of H1ssF-3928 mRNA-LNP in Healthy Adults

NCT05755620
View directory record Official record
Conditions
Influenza
Interventions
Influenza Virus Quadrivalent Inactivated Vaccine, Sodium Chloride, 0.9%, VRC-FLUNPF099-00-VP (H1ssF_3928)
Biological · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 18, 2026 · Synced Oct 19, 2026, 8:26 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Understanding Immunity to the Flu Vaccine in COVID-19 Patients

NCT04579588
View directory record Official record
Conditions
Corona Virus Infection, Flu Vaccine, Immunity
Interventions
Flu shot
Biological
Lead sponsor
Stanford University
Other
Eligibility
9 Years to 64 Years
Enrollment
230 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2028
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Mar 18, 2026 · Synced Oct 19, 2026, 8:26 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A/H5N1 Virus-Like Particle Antigen Dose Ranging Study With Adjuvant 1

NCT01594320
View directory record Official record
Conditions
Influenza (Pandemic)
Interventions
Monovalent Avian Influenza VLP (H5N1), Monovalent Avian Influenza VLP (H5N1); Adjuvant, Saline placebo
Biological
Lead sponsor
Novavax
Industry
Eligibility
18 Years to 49 Years
Enrollment
333 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
5
States / cities
Anaheim, California • Miami, Florida • Pembroke Pines, Florida + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 6, 2014 · Synced Oct 19, 2026, 8:26 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

A Prospective Study to Evaluate the Safety of a New Trivalent Intranasal Influenza Vaccine

NCT00677820
View directory record Official record
Conditions
Influenza
Interventions
Trivalent influenza virus vaccine, Placebo
Biological
Lead sponsor
MedImmune LLC
Industry
Eligibility
18 Years to 49 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
3
States / cities
Daytona Beach, Florida • Portland, Oregon • Austin, Texas
Source: ClinicalTrials.gov public record
Updated Oct 22, 2010 · Synced Oct 19, 2026, 8:26 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Immunogenicity and Safety Study of Different Formulations of GlaxoSmithKline (GSK) Biologicals H7N1 Influenza Vaccine Administered to Adults 21 to 64 Years of Age

NCT01934127
View directory record Official record
Conditions
Influenza
Interventions
Investigational H7N1 vaccine GSK2789869A, Investigational H7N1 vaccine GSK2789868A, Placebo
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
21 Years to 64 Years
Enrollment
427 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
6
States / cities
Miami, Florida • Stockbridge, Georgia • Las Vegas, Nevada + 3 more
Source: ClinicalTrials.gov public record
Updated May 8, 2017 · Synced Oct 19, 2026, 8:26 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Concomitant Administration of 13-valent Pneumococcal Conjugate Vaccine (13vPnC) With Influenza Vaccine in 23-valent Pneumococcal Polysaccharide (23vPS) Pre-vaccinated Adults.

NCT02124161
View directory record Official record
Conditions
PREVENTION OF INVASIVE PNEUMOCOCCAL DISEASE
Interventions
13-valent pneumococcal conjugate vaccine, Seasonal Inactivated Influenza Vaccine, Placebo
Biological · Other
Lead sponsor
Pfizer
Industry
Eligibility
50 Years and older
Enrollment
882 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
44
States / cities
Birmingham, Alabama • Huntsville, Alabama • Scottsdale, Arizona + 37 more
Source: ClinicalTrials.gov public record
Updated Jul 1, 2016 · Synced Oct 19, 2026, 8:26 PM EDT
Completed Phase 2Phase 3 Interventional

COmbination Therapy With Baloxavir and Oseltamivir 1 for Hospitalized Patients With Influenza (The COMBO Trial 1)

NCT04327791
View directory record Official record
Conditions
Influenza
Interventions
Baloxavir, Placebos
Drug
Lead sponsor
Bassett Healthcare
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
3
States / cities
Springfield, Massachusetts • Cooperstown, New York • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Oct 19, 2026, 8:26 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Study of Different Formulations of an A/H1N1 Pandemic Vaccine in Healthy Adults and the Elderly

NCT00953524
View directory record Official record
Conditions
Influenza, Swine-origin A/H1N1 Influenza
Interventions
Monovalent Subvirion A/H1N1 Influenza vaccine (7.5 µg of HA), Monovalent Subvirion A/H1N1 Influenza vaccine (15 µg of HA), Monovalent Subvirion A/H1N1 Influenza vaccine (30 µg of HA), Normal saline solution (placebo)
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
18 Years and older
Enrollment
849 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
15
States / cities
Hoover, Alabama • Chandler, Arizona • Phoenix, Arizona + 12 more
Source: ClinicalTrials.gov public record
Updated Mar 10, 2014 · Synced Oct 19, 2026, 8:26 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Study to Evaluate the Safety, Reactogenicity, and Immunogenicity of mRNA Vaccine Candidate Variations in Healthy Adults

NCT05868382
View directory record Official record
Conditions
Influenza
Interventions
mRNA-1010, mRNA-1010.4, mRNA-1010.6
Biological
Lead sponsor
ModernaTX, Inc.
Industry
Eligibility
18 Years to 49 Years
Enrollment
270 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
10
States / cities
Hollywood, Florida • Miami, Florida • Lenexa, Kansas + 7 more
Source: ClinicalTrials.gov public record
Updated Dec 20, 2024 · Synced Oct 19, 2026, 8:26 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Study of a Combination Vaccine Comprised of Different Recombinant Spike Antigen Levels of a Matrix-M Adjuvanted Recombinant COVID-19 Vaccine and Recombinant Influenza Vaccine in Adult Participants 50 Years of Age and Older

NCT06695130
View directory record Official record
Conditions
COVID-19 Immunization, Influenza Immunization
Interventions
RIV (recombinant influenza vaccine), rC19 (dose 1), RIV + rC19 (dose 1), RIV + rC19 (dose 2), RIV + rC19 (dose 3), RIV + rC19 (dose 4), Placebo (0.9% NaCl)
Biological · Other
Lead sponsor
Sanofi
Industry
Eligibility
50 Years and older
Enrollment
980 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
12
States / cities
Phoenix, Arizona • Cerritos, California • Vista, California + 9 more
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Oct 19, 2026, 8:26 PM EDT
Completed Phase 1 Interventional

Study of High-dose Influenza Vaccine Efficacy by Repeated Dosing In Gammopathy Patients

NCT02267733
View directory record Official record
Conditions
Influenza, Gammopathy
Interventions
Fluzone
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 25, 2016 · Synced Oct 19, 2026, 8:26 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Duration of Immune Response to Influenza Vaccination in Patients With RA

NCT02311855
View directory record Official record
Conditions
Rheumatoid Arthritis
Interventions
Influenza vaccine
Biological
Lead sponsor
Bassett Healthcare
Other
Eligibility
40 Years to 75 Years
Enrollment
87 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Cooperstown, New York
Source: ClinicalTrials.gov public record
Updated Jan 6, 2017 · Synced Oct 19, 2026, 8:26 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Evaluate the Safety and Immunogenicity of a Seasonal Influenza VLP Vaccine (Recombinant) in Healthy Adults

NCT00754455
View directory record Official record
Conditions
Influenza
Interventions
Influenza VLP Vaccine (recombinant), Placebo
Biological
Lead sponsor
Novavax
Industry
Eligibility
18 Years to 49 Years
Enrollment
317 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
4
States / cities
Pembroke Pines, Florida • Kansas City, Missouri • Warwick, Rhode Island + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 18, 2013 · Synced Oct 19, 2026, 8:26 PM EDT
Completed No phase listed Observational

Covid Flu A/B and RSV 4 in 1 Diagnostic Test

NCT07308158
View directory record Official record
Conditions
Influenza A, Influenza B, COVID - 19, RSV
Interventions
Investigational Flu A/B Covid-19 and RSV Diagnostic Test
Diagnostic Test
Lead sponsor
iHealth Labs inc
Industry
Eligibility
6 Months and older
Enrollment
1,119 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
21
States / cities
Birmingham, Alabama • Trussville, Alabama • Dublin, California + 17 more
Source: ClinicalTrials.gov public record
Updated Jan 8, 2026 · Synced Oct 19, 2026, 8:26 PM EDT
Completed Not applicable Interventional

Clinical Evaluation of the Panbio™ COVID-19/Flu A&B Panel to Support Home Use

NCT06124638
View directory record Official record
Conditions
COVID-19, Influenza A, Influenza Type B
Interventions
Panbio™ COVID-19/Flu A&B Panel
Diagnostic Test
Lead sponsor
Abbott Rapid Dx
Industry
Eligibility
2 Years and older
Enrollment
624 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
2
States / cities
Pelham, Alabama • Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Aug 19, 2024 · Synced Oct 19, 2026, 8:26 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study to Evaluate Safety and Immune Response of Novartis Meningococcal ACWY Vaccine In Infants

NCT00474526
View directory record Official record
Conditions
Meningitis, Meningococcal
Interventions
Meningococcal ACWY Conjugate Vaccine, DTaP-IPV-HBV, Hib, Rotavirus, Pneumococcal 7-valent Conjugate Vaccine, HAV, MMR-V, DTaP
Biological
Lead sponsor
Novartis Vaccines
Industry
Eligibility
2 Months to 2 Months
Enrollment
4,545 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
53
States / cities
Bessemer, Alabama • Birmingham, Alabama • Downey, California + 43 more
Source: ClinicalTrials.gov public record
Updated Mar 24, 2014 · Synced Oct 19, 2026, 8:26 PM EDT
Completed Phase 2 Interventional Results available

Statin Therapy in Acute Influenza

NCT02056340
View directory record Official record
Conditions
Influenza
Interventions
Atorvastatin, Placebo
Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Enrollment
116 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 26, 2019 · Synced Oct 19, 2026, 8:26 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Assessment of Self-Collected Sample Compared to Clinician Collected Sample in COVID-19 and Influenza Program

NCT04681950
View directory record Official record
Conditions
Subjects Possibly Exposed to COVID-19
Interventions
Not listed
Lead sponsor
Biocerna LLC
Industry
Eligibility
Not listed
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Fulton, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 23, 2020 · Synced Oct 19, 2026, 8:26 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of Different Formulations of Monovalent Influenza A/Astrakhan/3212/2020 Like (H5N8) Virus Vaccine With AS03 Adjuvant System in Medically Stable Adults

NCT05975840
View directory record Official record
Conditions
Influenza, Human
Interventions
FLU Q-PAN H5N8 375_B, FLU Q-PAN H5N8 375_A, FLU Q-PAN H5N8 750_B, FLU Q-PAN H5N8 750_A
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years and older
Enrollment
518 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
20
States / cities
Anniston, Alabama • Mobile, Alabama • Tempe, Arizona + 17 more
Source: ClinicalTrials.gov public record
Updated Aug 19, 2025 · Synced Oct 19, 2026, 8:26 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

RSV-F Vaccine and Influenza Vaccine Co-Administration Study in the Elderly

NCT01709019
View directory record Official record
Conditions
Respiratory Syncytial Virus (RSV)
Interventions
Low dose RSV-F Vaccine with Adjuvant (Day 0); Seasonal TIV (Day 0 & Day 28), Low dose RSV-F Vaccine without Adjuvant (Day 0); Seasonal TIV (Day 0 & day 28), High dose RSV-F Vaccine with Adjuvant (Day 0); Seasonal TIV (Day 0 & Day 28), High dose RSV-F Vaccine without Adjuvant (Day 0); Seasonal TIV (Day 0 & Day 28), Placebo (Day 0 & Day 28); Seasonal TIV (Day 0)
Biological
Lead sponsor
Novavax
Industry
Eligibility
60 Years and older
Enrollment
220 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
4
States / cities
Tucson, Arizona • Melbourne, Florida • Dallas, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 5, 2014 · Synced Oct 19, 2026, 8:26 PM EDT
Completed No phase listed Observational

Influenza Vaccine in Lung Transplant Patients - Antibody

NCT04533139
View directory record Official record
Conditions
Influenza
Interventions
Influenza vaccine
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 23, 2020 · Synced Oct 19, 2026, 8:26 PM EDT
Suspended Phase 3 Interventional

Comparison of Fluid Rapid Influenza and BinaxNOW Influenza A & B

NCT00828100
View directory record Official record
Conditions
Influenza
Interventions
fluID Rapid Influenza Test, BinaxNOW® Influenza A & B
Device
Lead sponsor
Nanogen, Inc.
Industry
Eligibility
Not listed
Enrollment
650 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2009
U.S. locations
2
States / cities
Shreveport, Louisiana • Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Mar 6, 2009 · Synced Oct 19, 2026, 8:26 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pandemic Influenza Plasmid DNA Vaccines (Needle)

NCT00709800
View directory record Official record
Conditions
Influenza
Interventions
VCL-IPT1, VCL-IPM1, PBS
Biological
Lead sponsor
Vical
Industry
Eligibility
18 Years to 45 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2007
U.S. locations
3
States / cities
San Diego, California • Baltimore, Maryland • Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated Feb 12, 2009 · Synced Oct 19, 2026, 8:26 PM EDT
Recruiting Phase 2 Interventional

High vs. Standard Dose Influenza Vaccines in Lung Transplant (Repeater)

NCT07192458
View directory record Official record
Conditions
Immunization; Infection|Transplantation Infection|Influenza, Influenza
Interventions
Fluzone High Dose Inactivated Influenza Vaccine, Fluzone Standard Dose Inactivated Influenza Vaccine
Biological
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 7, 2025 · Synced Oct 19, 2026, 8:26 PM EDT