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Varilrix

Phase 2

Varicella | Monoclonal antibody | Other |GSK plc|Last Updated: Jun 8, 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 Enrollment244
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT00568334Study of Two Formulations of GSK Biologicals' Varicella VaccinePHASE2 COMPLETED 244Nov 1, 2007Apr 29, 2008Jun 8, 201813 Czechia, Hungary
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Study Endpoints
Primary Endpoints
Antibody Titers Against Varicella Zoster Virus (VZV)
At 43-57 days after the first vaccine dose (Week 6)

Antibody titers have been assessed by immunofluorescence assay (IFA) and presented as geometric mean titers (GMTs), for initially seronegative subjects \[with anti-VZV titer below (\<) 1:4\].

Antibody Concentrations Against Varicella Zoster Virus (VZV)
At 43-57 days after the first vaccine dose (Week 6)

Antibody concentrations have been assessed by enzyme-linked immunosorbent assay (ELISA), presented as geometric mean concentrations (GMCs) and expressed in milli-international units per milliliter (mIU/mL), for initially seronegative subjects \[with anti-VZV concentration below (\<) 25 mIU/mL\].

Secondary Endpoints
Number of Seroconverted Subjects for Varicella Antibodies
At 43-57 days post-Dose 1 (Week 6) and 86-114 days post-Dose 2 (Week 12)
Number of Subjects With Anti-VZV Antibody Concentrations Above Cut-off Values
At 43-57 days post-Dose 1 (Week 6) and 86-114 days post-Dose 2 (Week 12)
Antibody Titers Against Varicella Zoster Virus (VZV)
At 86-114 days after the second vaccine dose (Week 12)
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Study Design & Arms
AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposePREVENTION
Treatment Arms
ArmTypeDescription
VARILRIX HSA-FREE GROUPEXPERIMENTALHealthy male or female children between, and including, 11 and 21 months of age, who received 2 doses of Varilrix™ vaccine produced without human serum albumin (HSA-Free), administered subcutaneously into the deltoid region of the left upper arm, at Day 0 and Day 43-57 (Week 6).
VARILRIX GROUPEXPERIMENTALHealthy male or female children between, and including, 11 and 21 months of age, who received 2 doses of Varilrix™ vaccine, administered subcutaneously into the deltoid region of the left upper arm, at Day 0 and Day 43-57 (Week 6).
Interventions
NameTypeDescription
Varilrix (inactivated varicella vaccine)BIOLOGICALsubcutaneously injection
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Eligibility Criteria
Age Range11 Months — 21 Months
SexALL
Healthy VolunteersYes
Study Sites13

Inclusion Criteria: * Subjects who the investigator believes that their parents/guardians can and will comply with the requirements of the protocol (e.g. completion of the diary cards, return for follow-up visits) should be enrolled in the study. * A male or female between, and including, 11 and 21...

Countries:CzechiaHungary
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