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Comparator: Varivax

Phase 3

Measles | Monoclonal antibody | Other |Merck & Company, Inc.|Last Updated: Nov 23, 2015

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 Trials2
Total Enrollment4,407
FDA Designations
No designations recorded
Clinical Trials (2)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT00985153Safety, Tolerability, and Immunogenicity of 3 Frozen ProQuad Consistency Lots in Healthy Children (V221-012)(COMPLETED)PHASE3 COMPLETED 3,927Mar 1, 2000May 1, 2001Nov 23, 2015 -
NCT00975507ProQuad™ Versus M-M-R II™ and VARIVAX™ in Healthy Children (V221-009)(COMPLETED)PHASE3 COMPLETED 480Mar 1, 1998Jun 1, 1999Oct 6, 2015 -
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Study Endpoints
Primary Endpoints
Number of Participants With Postvaccination Varicella Antibody Titer ≥ 5 Glycoprotein Enzyme-Linked Immunosorbent Assay (gpELISA) Units/mL
6 weeks Postvaccination

Antibody Response to Varicella at 6 Weeks Postvaccination for Subjects Initially With Varicella Antibody Titer \< 1.25 gpELISA units/mL at Baseline

Number of Participants With Postvaccination Measles Enzyme-Linked Immunosorbent Assay (ELISA) Antibody Titer ≥ 120 mIU/mL
6 weeks Postvaccination

Antibody Response to Measles at 6 Weeks Postvaccination for Subjects Initially Seronegative (a titer \< 120 mIU/mL) to Measles at Baseline

Number of Participants With Postvaccination Mumps ELISA Antibody Titer ≥ 10 Ab Units/mL
6 weeks Postvaccination

Antibody Response to Mumps at 6 Weeks Postvaccination for Subjects Initially Seronegative (a titer \< 10 Ab units/mL) to Mumps at Baseline

Number of Participants With Postvaccination Rubella ELISA Antibody Titer ≥ 10 IU/mL
6 weeks Postvaccination

Antibody Response to Rubella at 6 Weeks Postvaccination for Subjects Initially Seronegative (a titer \< 10 IU/mL) to Rubella at Baseline

Antibody Response to Varicella for Subjects Initially With Varicella Antibody Titer < 1.25 gpELISA Units/mL at Baseline - Geometric Mean Titer
6 weeks Postvaccination

Postvaccination observed Geometric Mean Titer of antibody to Varicella

Antibody Response to Measles for Subjects Initially Seronegative (a Titer < 120 mIU/mL) to Measles at Baseline - Geometric Mean Titer
6 weeks Postvaccination

Postvaccination observed Geometric Mean Titer of antibody to Measles.

Antibody Response to Mumps for Subjects Initially Seronegative (a Titer < 10 Ab Units/mL) to Mumps at Baseline - Geometric Mean Titer
6 weeks Postvaccination

Postvaccination observed Geometric Mean Titer of antibody to Mumps.

Antibody Response to Rubella for Subjects Initially Seronegative (a Titer < 10 IU/mL) to Rubella at Baseline - Geometric Mean Titer
6 weeks Postvaccination

Postvaccination observed Geometric Mean Titer of antibody to Rubella

Number of Participants With Serious Vaccine-related CAEs
6 weeks Postvaccination

Subjects with a serious vaccine-related CAE (an AE which is assessed by an investigator/qualified physician as being related to study vaccine and results in death, persistent or significant disability/incapacity, prolongs an existing inpatient hospitalization, is life-threatening, a congenital anomaly/birth defect, a cancer, or an overdose).

Number of Participants With Postvaccination Varicella Antibody Titer ≥5 Glycoprotein Enzyme-Linked Immunosorbent Assay (gpELISA) Units/mL for Subjects Initially Seronegative (a Titer of <0.6 gpELISA Units/mL) to Varicella at Baseline
6 weeks Postvaccination

Antibody Response to Varicella at 6 Weeks Postvaccination for Subjects Initially Seronegative (a titer of \<0.6 gpELISA units/mL) to Varicella at Baseline

Secondary Endpoints
Number of Participants With Postvaccination Measles ELISA Antibody Titer ≥207.8 mIU/mL
6 weeks Postvaccination
Number of Participants With Postvaccination Varicella Antibody Titer ≥5 gpELISA Units/mL for Subjects Initially With Varicella Antibody Titer <1.25 gpELISA Units/mL at Baseline
6 weeks Postvaccination
Number of Participants With Postvaccination Mumps ELISA Antibody Titer ≥2.0 Ab Units/mL
6 weeks Postvaccination
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Study Design & Arms
AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposePREVENTION
Treatment Arms
ArmTypeDescription
1EXPERIMENTALProQuad Lot 1
2EXPERIMENTALProQuad Lot 2
3EXPERIMENTALProQuad Lot 3
4ACTIVE_COMPARATORM-M-R II + Varivax
Interventions
NameTypeDescription
Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine LiveBIOLOGICALA Single 0.5 mL subcutaneous injection at Day 0
Comparator: VarivaxBIOLOGICALA Single 0.5 mL subcutaneous injection at Day 0
Comparator: M-M-R IIBIOLOGICALA Single 0.5 mL subcutaneous injection at Day 0
Comparator: PlaceboBIOLOGICALa single 0.5 mL subcutaneous placebo injection at Day 0
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Eligibility Criteria
Age Range12 Months — 23 Months
SexALL
Healthy VolunteersYes

Inclusion Criteria: * In good health * Negative clinical history of measles, mumps, rubella, varicella, and zoster Exclusion Criteria: * Previous receipt of measles, mumps, rubella and/or varicella vaccine either alone or in combination * Any immune impairment or deficiency * Exposure to measles,...

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