Clinical trials: Influenza B
Seasonal Influenza
A Study to Evaluate the Safety, Reactogenicity, and Immunogenicity of mRNA-1010 in Healthy Children
The purpose of this study is to evaluate safety, reactogenicity, and immunogenicity of mRNA-1010 in healthy children (9 to <18 years of age).
- Trial name
- NCT07870330
- Testing
- mRNA-1010, Fluarix Trivalent
- Where
- 6 sites in United States
- Volunteers
- 96 people, healthy volunteers welcome
- Sponsor
- ModernaTX, Inc.
Healthy Participants
A Trial to Evaluate the Effect of CD388/MK1406 on the Immunogenicity of Fluzone® HD Vaccine (CD388.SQ.1.08/MK-1406-007)
Approximately one billion cases of seasonal influenza occur annually. Of these, 3 to 5 million illnesses are severe and responsible for up to 650,000 deaths per year (WHO 2025).
- Trial name
- NCT07300085
- Testing
- Fluzone® High-Dose (HD) influenza vaccine, MK-1406 Injection
- Where
- 2 sites in United States
- Volunteers
- 710 people, healthy volunteers welcome
- Sponsor
- Cidara Therapeutics Inc., a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA)
Influenza, Human, Vaccine Hesitancy
Conversational AI for Adult Flu Vaccination Decisions
This randomized trial tests whether an online guide combining short evidence cards with an AI-guided conversation increases flu-vaccination intention among US adults who haven't decided whether to get a flu vaccine this season.
- Trial name
- NCT07896850
- Testing
- Flu vaccination guide, Accident safety guide
- Where
- United States
- Volunteers
- 220 people, healthy volunteers welcome
- Sponsor
- Calypta Systems, Inc.
Influenza
Influenza Vaccine (Split Virion), Inactivated, Quadrivalent in Pregnant Women
This is a randomized, double-blind, positive controlled phase Ⅲ clinical trial to assess the immunogenicity and safety of Sinovac QIV in pregnant women.
- Trial name
- NCT07211152
- Testing
- Participants will receive one dose of vaccine (0.5 mL) of Sinovac QIV, Vaxigrip QIV
- Where
- 2 sites in Philippines
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Sinovac Biotech Co., Ltd
Influenza, Human, Respiratory Tract Infections
A Study to Confirm Efficacy of a Single Dose of Baloxavir Marboxil in the Post-exposure Prophylaxis (PEP) of Influenza Virus Infection in Chinese Participants
The main purpose of the study is to evaluate the efficacy of a single dose of baloxavir marboxil compared with placebo in the PEP of influenza virus infection with respect to symptomatic, laboratory-confirmed influenza in…
- Conditions
- Influenza, Human, Respiratory Tract Infections, Post-exposure Prophylaxis
- Trial name
- Pearlstone (NCT07827599)
- Testing
- Baloxavir marboxil
- Where
- 8 sites in China
- Volunteers
- 325 people, healthy volunteers welcome
- Sponsor
- Hoffmann-La Roche
Seasonal Influenza
Phase I Clinical Trial of Trivalent Inactivated Split Influenza Virus Vaccine (MDCK Cell)
This study is a phase I, randomized, double-blind, placebo and active comparator-controlled clinical trial to evaluate the safety and immunogenicity of a trivalent split influenza virus vaccine (MDCK cell) developed by Sinovac…
- Trial name
- NCT07889193
- Testing
- Cell-based Trivalent Split Influenza Virus Vaccine (cTIV), Egg-based Trivalent Split Influenza Virus Vaccine (eTIV)
- Where
- China
- Volunteers
- 175 people, healthy volunteers welcome
- Sponsor
- Sinovac Biotech Co., Ltd
Immunization, Healthy Volunteers
Study of a Combination SARS-CoV-2 Recombinant Spike and High-Dose Inactivated Influenza Vaccine With Matrix-M Adjuvant in Adult Participants 60 Years of Age and Older
The purpose of this study is to assess the safety and immunogenicity of IIV-HD + NVXC19 vaccine compared to seasonal influenza vaccine (IIV-HD) and COVID-19 vaccine, adjuvanted (NVXC19) coadministered in adult participants 60…
- Conditions
- Immunization, Healthy Volunteers, COVID-19 Immunization, Influenza Immunization
- Trial name
- NCT07890454
- Testing
- IIV-HD (standalone), NVXC19 (EU licensed, standalone), IIV-HD + NVXC19 combination
- Volunteers
- 6,000 people, healthy volunteers welcome
- Sponsor
- Sanofi
Influenza Immunization, Healthy Volunteers
Post-marketing Surveillance Study for the Safety of Efluelda® Pre-filled Syringe
To objective of this study is to investigate the incidence of adverse events (AEs) and adverse drug reactions (ADRs) occurred following administration of Efluelda® in adults aged 65 years or older under routine clinical practice…
- Trial name
- NCT07282795
- Testing
- Efluelda® Pre-filled syringe
- Where
- 15 sites in South Korea
- Volunteers
- 670 people, healthy volunteers welcome
- Sponsor
- Sanofi
Influenza A, Influenza B, Influenza Vaccination
Phase 2/3 Clinical Trial to Evaluate the Immunogenicity and Safety of GC3114B in Adults Aged 65 Years or Older
This is a multicenter, randomized, double-blind, active-controlled, parallel-group clinical trial in adults aged 65 years or older.
- Trial name
- GC3114B (NCT07883928)
- Testing
- vaccination of GC3114B, Vaccination of Efluelda
- Where
- South Korea
- Volunteers
- 1,806 people, healthy volunteers welcome
- Sponsor
- GC Biopharma Corp
Seasonal Influenza
A Study of Updated mRNA Seasonal Influenza Vaccines
The purpose of this study is to evaluate the immunogenicity and safety of updated strain-containing compositions of the mRNA-1010 vaccines within the current epidemiological environment.
- Trial name
- NCT07884175
- Testing
- mRNA-1010, Licensed High-Dose Seasonal Influenza Vaccine
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- ModernaTX, Inc.
Influenza
Efficacy, Immunogenicity and Safety of OVX836 Influenza Vaccine 480μg
The present study will evaluate the efficacy, immunogenicity and safety of one dose of OVX836 influenza vaccine 480μg, after intramuscular administration in healthy subjects aged 18-59 years.
- Trial name
- NCT05569239
- Testing
- OVX836 480µg, Saline Solution
- Where
- 16 sites in Belgium, Finland and 2 more
- Volunteers
- 2,891 people, healthy volunteers welcome
- Sponsor
- Osivax
Influenza
A Trial of RLX-2508-102 in Healthy Volunteers
The purpose of this study is to assess safety, PK and immunogenicity profile of a single dose and multiple dose of RLX-2508 in healthy participants across different ethnic backgrounds.
- Trial name
- NCT07873671
- Testing
- RLX-2508
- Where
- 3 sites in Australia
- Volunteers
- 101 people, healthy volunteers welcome
- Sponsor
- Atridia Pty Ltd.
Influenza A
A Phase I/II Study on Safety AND Immunogenicity of AZD4117 and AZD5315 Vaccines (PANDA)
The purpose of this study is to evaluate the safety and immunogenicity of two investigational vaccines, AZD4117 and AZD5315 to protect against certain strains of avian Influenza A (H5N1 and H7N9 subtypes).
- Trial name
- PANDA (NCT07128615)
- Testing
- AZD4117, AZD5315
- Where
- 14 sites in United States
- Volunteers
- 405 people, healthy volunteers welcome
- Sponsor
- AstraZeneca
Influenza, Human
A Study to Evaluate the Immune Response and Safety of a Vaccine Against Influenza in Adults 18-64 Years of Age
This clinical trial will study an investigational seasonal influenza vaccine in adults 18 to 64 years of age. The vaccine is based on messenger ribonucleic acid, also called mRNA.
- Trial name
- NCT07851246
- Testing
- mRNA Seasonal Flu vaccine, Comparator 1, Comparator 2
- Where
- 12 sites in United States
- Volunteers
- 3,000 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Influenza, SARS-CoV-2
A Clinical Study to Investigate the Safety and Immunogenicity in Relation to Product Attributes of mRNA-1083 (Severe Acute Respiratory Syndrome Coronavirus 2 [SARS-CoV-2] and Influenza Vaccine)
The purpose of this study is to evaluate the safety, reactogenicity, and immunogenicity in relation to the product attributes of mRNA-1083 vaccine when administered as a single intramuscular (IM) injection in adults ≥50 to <65…
- Trial name
- NCT06508320
- Testing
- mRNA-1083
- Where
- 17 sites in United States, Canada
- Volunteers
- 931 people, healthy volunteers welcome
- Sponsor
- ModernaTX, Inc.
Influenza
Phase I Clinical Trial of Influenza Vaccine (Split Virion), Inactivated (High Dose)
This is a randomized, double-blind, active-controlled Phase I clinical trial to evaluate the safety and immunogenicity of Influenza Vaccine (Split Virion), Inactivated (High Dose) developed by Sinovac.
- Trial name
- NCT07737106
- Testing
- Influenza Vaccine (Split Virion), Inactivated (High Dose), Influenza Vaccine (Split Virion), Inactivated
- Where
- China
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Sinovac Biotech Co., Ltd
Influenza, Human, Infections
Study to Evaluate Immunogenicity, Safety and Tolerability of Adjuvanted and Non-Adjuvanted H2N3 Influenza Vaccines in Adults
This Phase 1, randomized, observer-blind, dose-ranging clinical study is evaluating 6 different formulations of MF59-adjuvanted and non-adjuvanted H2N3 influenza vaccine.
- Conditions
- Influenza, Human, Infections, Respiratory Tract Infections, Virus Diseases
- Trial name
- NCT05875961
- Testing
- Low dose A/H2N3c + standard dose MF59, Intermediate dose A/H2N3c + standard dose MF59, High dose A/H2N3c + standard dose MF59
- Where
- 7 sites in United States, Philippines
- Volunteers
- 600 people, healthy volunteers welcome
- Sponsor
- Seqirus
Influenza
A Phase IV Clinical Trial of Influenza Vaccine (Split Virion), Inactivatedin (Anflu®) Pregnant Women (AnFLU-PREG)
A phase IV clinical trial of Influenza Vaccine (Split Virion), Inactivated (Anflu®) developed by Sinovac Biotech Co., Ltd will be conducted in pregnant women.
- Trial name
- NCT07832201
- Testing
- Anflu®, Vaxigrip®
- Where
- 6 sites in China
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Sinovac Biotech Co., Ltd
Influenza, Human
A Study to Evaluate the Immune Response and Safety of an Influenza Vaccine in Adults 18 Years of Age and Above
The purpose of this study is to assess the reactogenicity, safety and immune response of GlaxoSmithKline's (GSK) messenger RNA (mRNA)-based multivalent seasonal influenza vaccine candidates administered in healthy younger and…
- Trial name
- NCT07204964
- Testing
- Flu mRNA (Formulation B1), Flu mRNA (Formulation B3), Flu mRNA(Formulation A)
- Where
- 17 sites in United States, Belgium
- Volunteers
- 971 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Influenza, Human
A Study on the Efficacy of a Vaccine Against Influenza in Adults ≥65 Years of Age
This study will compare an investigational mRNA flu vaccine with a licensed flu vaccine in adults 65 years of age and older. Participants will receive one injection and will be followed during the flu season.
- Trial name
- NCT07805707
- Testing
- mRNA Seasonal Flu vaccine, Licensed Influenza Vaccine
- Where
- 163 sites in United States
- Volunteers
- 54,000 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline