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IC51 Japanese Encephalitis

Phase 3

Encephalitis | Monoclonal antibody | Other |Valneva SE|Last Updated: Jul 27, 2021

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
RandomizedACTIVE_CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment1,869
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT01041573Safety and Immunogenicity of the Japanese Encephalitis Vaccine IC51 (IXIARO®) in a Pediatric PopulationPHASE3 COMPLETED 1,869Mar 1, 2010Jul 1, 2011Jul 27, 20212 Philippines
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Study Endpoints
Primary Endpoints
Rate of Subjects With Serious Adverse Events and Medically Attended Adverse Events Until Day 56 After First Vaccination
until Day 56

Rate of subjects with these types of AEs, comparison vs respective control vaccine stratified by age group: All study participants aged \< 1 year: IC51 0.25mL vs. Prevnar; All study participants aged 1 year and above: IC51 0.25 mL or =.5 mL vs. Havrix.

Secondary Endpoints
Geometric Mean Titers (GMT) for JEV Neutralizing Antibodies
Day 0, 56 and at Month 7
Seroconversion Rate (SCR) at Days 0, 56 and at Month 7
Days 0, 56 and at Month 7
Rate of Subjects With SAEs and Medically Attended AEs
up to Month 7
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Study Design & Arms
AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposePREVENTION
Treatment Arms
ArmTypeDescription
IC51 0.5 mLEXPERIMENTALJapanese Encephalitis Vaccine 6mcg im. at day 0 and day 28
IC51 0.25 mLEXPERIMENTALJapanese Encephalitis Vaccine 3mcg im. at day 0 and day 28
Havrix 720ACTIVE_COMPARATORHavrix®720 0.5 ml im. at day 0 and month 7
PrevnarACTIVE_COMPARATORPrevnar 0.5 ml im. at day 0 and day 56 and month 7 or 0.5 ml im. at day 0, day 28 and day56 and month 7-13
Interventions
NameTypeDescription
IC51 Japanese EncephalitisBIOLOGICAL6 mcg or 3 mcg im. at day 0 and day 28
Havrix®720BIOLOGICAL0.5 ml im. at day 0 and month 7
PrevnarBIOLOGICAL0.5 ml im. at day 0 and day 56 and month 7
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Eligibility Criteria
Age Range2 Months — 18 Years
SexALL
Healthy VolunteersYes
Study Sites2

Inclusion Criteria: * Male or female healthy children and adolescents aged \> 2 months to \< 18 years at the time of first vaccination. * Written informed consent by the subject's legal representative(s), according to local requirements, and written informed assent of the subject, if applicable. * ...

Countries:Philippines
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