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Influsplit Tetra

Phase 3

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

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedDouble-BlindCONTROLLEDBiomarker
Total Trials1
Total Enrollment357
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
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 OlderPHASE3 COMPLETED 357Oct 1, 2014May 4, 2015Apr 3, 20186 Belgium, France
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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 — 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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