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VARIVAX New Seed Process

Phase 3

Varicella | Monoclonal antibody | Other |Merck & Company, Inc.|Last Updated: Oct 30, 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-BlindACTIVE_CONTROLLED
Total Trials1
Total Enrollment611
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT02062502Evaluation of Immunogenicity and Safety of VARIVAX™ New Seed Process (NSP) in Children (V210-063)PHASE3 COMPLETED 611Mar 7, 2014Oct 13, 2015Oct 30, 2018 -
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Study Endpoints
Primary Endpoints
Percentage of Participants With Varicella Zoster Virus (VZV) Antibody Levels >=5 Glycoprotein Enzyme-linked Immunosorbent Assay (gpELISA) Units/mL
6 weeks (43 days) after vaccination 1
Geometric Mean Titer of VZV Antibodies
6 weeks (43 days) after vaccination 1

Antibody titers were measured with gpELISA.

Secondary Endpoints
Percentage of Participants With Fever (>=102.2 °F Oral Equivalent)
Up to 42 days after Vaccination 1 and Vaccination 2 (up to 133 days)
Percentage of Participants With Systemic Measles-like, Rubella-like, Varicella-like Rash, Mumps-like Symptoms, and Injection-site Rash After Vaccination 1
Up to 42 days after Vaccination 1
Percentage of Participants With Systemic Measles-like, Rubella-like, Varicella-like Rash, Mumps-like Symptoms, and Injection-site Rash After Vaccination 2
Up to 42 days after Vaccination 2
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Study Design & Arms
AllocationRANDOMIZED
MaskingTRIPLE
ModelPARALLEL
PurposePREVENTION
Treatment Arms
ArmTypeDescription
VARIVAX™ NSP + M-M-R II™EXPERIMENTALVARIVAX™ New Seed Process 0.5 mL administered in the left arm and M-M-R II™ vaccine 0.5 mL administered in the right arm by subcutaneous injection on Day 1 and Day 91
VARIVAX™ 2007 Process + M-M-R II™ACTIVE_COMPARATORVARIVAX™ 2007 Process 0.5 mL administered in the left arm and M-M-R II™ vaccine 0.5 mL administered in the right arm by subcutaneous injection on Day 1 and Day 91
Interventions
NameTypeDescription
VARIVAX™ New Seed ProcessBIOLOGICALVaricella virus vaccine live manufactured with a new seed process
VARIVAX™ 2007 processBIOLOGICALVaricella virus vaccine live manufactured with the 2007 process
M-M-R II™BIOLOGICALMeasles, Mumps, and Rubella virus vaccine live
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Eligibility Criteria
Age Range12 Months — 23 Months
SexALL
Healthy VolunteersYes

Inclusion Criteria: * Negative clinical history for varicella, herpes zoster, measles, mumps, and rubella Exclusion Criteria: * Received any measles, mumps, rubella, or varicella vaccine at any time prior to the study, or is anticipated to receive any of these vaccines outside the study * Any con...

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