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Influsplit Tetra

Phase 3

Influenza | Monoclonal antibody | Infectious Disease |GSK plc|Last Updated: Apr 3, 2018

Success Probability

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Trial Design

RandomizedDouble-BlindCONTROLLED
Total Trials1
Total Enrollment357

FDA Designations

No designations recorded

Clinical trial landscape

Influsplit Tetra · 1 trial · 1 indication

Phase 3 1
NCT02218697Evaluation of the Immunogenicity and Safety of GlaxoSmithKline (GSK) Biologicals' Quadrivalent Influenza Vaccine Influsplit™ Tetra (Fluarix™ Tetra) (GSK2321138A) When Co-administered With Pneumovax™ 23 in Adults 50 Years of Age and OlderInfluenza
COMPLETED357 Analytics
PHASE3COMPLETED
Evaluation of the Immunogenicity and Safety of GlaxoSmithKline (GSK) Biologicals' Quadrivalent Influenza Vaccine Influsplit™ Tetra (Fluarix™ Tetra) (GSK2321138A) When Co-administered With Pneumovax™ 23 in Adults 50 Years of Age and Older
InfluenzaUnlock trial analytics

Study Endpoints

Primary Endpoints

Humoral Immune Response in Terms of Haemagglutination Inhibition (HI) Antibodies Titers Against the 4 Vaccine Strains.
At Day 28 post Influsplit™ Tetra vaccination

HI antibody titres were expressed as geometric mean titers (GMTs) and adjusted GMT ratios (Control Group/Co-Ad Group). The vaccine strains assessed were Flu A/Christchurch/16/2010 (H1N1), FluA/Texas/50/2012 (H3N2), Flu B/Brisbane/60/2008 (Victoria) and Flu B/Massachusetts/2/2012 (Yamagata).

Pneumococcal Vaccine Response in Terms of Anti-pneumococcal Antibody Concentrations Against 6 Pneumococcal Serotypes (1, 3, 4, 7F, 14 and 19A).
At 28 days after Pneumovax™ 23 vaccination

Anti-pneumococcal antibody concentrations were expressed as adjusted geometric mean concentrations (GMCs) and adjusted GMC ratio (Control Group/Co-Ad Group).

Secondary Endpoints

Number of Subjects Reporting Solicited Local Adverse Events (AEs)
Within 7 days (Days 0 - 6) after each dose and across doses.
Number of Subjects Reporting Solicited General Adverse Events (AEs)
Within 7 days (Days 0 - 6) after each dose and across doses.
Duration of Local Adverse Events
During the 7-day (Days 0-6) post-vaccination period
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposePREVENTION

Treatment Arms

ArmTypeDescription
Co-Ad GroupEXPERIMENTALSubjects received 1 dose of Influsplit™ Tetra vaccine and 1 dose of Pneumovax™ 23 vaccine at Day 0 and 1 dose of placebo at Day 28.
Control GroupEXPERIMENTALSubjects received 1 dose of Influsplit™ Tetra vaccine and 1 dose of placebo at Day 0 and 1 dose of Pneumovax™ 23 vaccine at Day 28.

Interventions

NameTypeDescription
Influsplit™ Tetra (Fluarix™ Tetra)BIOLOGICALIntramuscular injection, 1 dose each in Control and Co-Ad groups.
Pneumovax™ 23BIOLOGICALIntramuscular injection, 1 dose each in Control and Co-Ad groups.
Placebo (Saline)BIOLOGICALIntramuscular injection, 1 dose each in Control and Co-Ad groups.
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Eligibility Criteria

Age Range50 Years to N/A
SexALL
Healthy VolunteersYes
Study Sites6

Inclusion Criteria: * Subjects who, in the opinion of the investigator, can and will comply with the requirements of the protocol (e.g. completion of the diary cards, return for follow-up visits). * A male or female aged 50 years or above at the time of the first vaccination at risk for complicatio...

Countries:BelgiumFrance
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Frequently asked questions about Influsplit Tetra

What is Influsplit Tetra used for?

Influsplit Tetra is a quadrivalent influenza vaccine being developed by GSK plc for the prevention of influenza. It is currently in Phase 3 clinical development and is intended for use in adults 50 years of age and older, as evaluated in a completed clinical trial.

What does Influsplit Tetra target?

Influsplit Tetra is a quadrivalent influenza vaccine designed to provide immunity against four influenza virus strains. As a vaccine, it works by stimulating the immune system to produce antibodies against the included strains, offering protection against seasonal influenza.

Who makes Influsplit Tetra?

Influsplit Tetra is developed by GSK plc, a global biopharma company listed on the stock exchange under the ticker GSK. The vaccine is being studied for the prevention of influenza in adults.

What phase is Influsplit Tetra in?

Influsplit Tetra is in Phase 3 clinical development. It is an investigational vaccine and has not been approved by regulatory authorities. A Phase 3 trial has been completed to evaluate its immunogenicity and safety.

What clinical trials is Influsplit Tetra in?

Influsplit Tetra has one completed Phase 3 clinical trial, NCT02218697, which evaluated its immunogenicity and safety when co-administered with Pneumovax 23 in adults 50 years and older. The trial enrolled 357 participants and was conducted in Belgium and France.

Is Influsplit Tetra the same as Fluarix Tetra?

Yes, Influsplit Tetra is also known as Fluarix Tetra. The clinical trial NCT02218697 refers to the vaccine as Influsplit Tetra (Fluarix Tetra), indicating that these names are used interchangeably for the same quadrivalent influenza vaccine.