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Investigational varicella vaccine low potency

Phase 2

Chickenpox | Monoclonal antibody | Other |GSK plc|Last Updated: Feb 28, 2025

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_CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment800
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT05084508A Study on the Immune Response and Safety of Various Potencies of an Investigational Chickenpox Vaccine Compared With a Marketed Chickenpox Vaccine, Given to Healthy Children 12 to 15 Months of AgePHASE2 COMPLETED 800Feb 3, 2022Jun 13, 2024Feb 28, 202551 United States, Estonia +4
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Study Endpoints
Primary Endpoints
Concentrations of Anti-varicella Zoster Virus (VZV) Glycoprotein E (gE) Antibodies
At Day 43

Concentrations of anti-VZV gE antibodies were presented as Geometric Mean Concentrations (GMCs) and expressed in milli-international units per milliliter (mIU/mL) for each group.

Secondary Endpoints
Percentage of Participants With Seroresponse to VZV gE
At Day 43
Number of Participants Reporting Each Solicited Administration Site Events
Day 1 (post dose) to Day 4
Number of Participants Reporting Each Solicited Systemic Events
Day 1 (post dose) to Day 43
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Study Design & Arms
AllocationRANDOMIZED
MaskingTRIPLE
ModelPARALLEL
PurposePREVENTION
Treatment Arms
ArmTypeDescription
VNS_Low GroupEXPERIMENTALParticipants received 1 dose of an investigational varicella vaccine (VNS) of low potency, 1 dose of a measles, mumps, and rubella (MMR) vaccine, 1 dose of a hepatitis A vaccine (Havrix) and 1 dose of a13 valent pneumococcal conjugate vaccine (Prevnar 13) on Day 1.
VNS_Med GroupEXPERIMENTALParticipants received 1 dose of VNS vaccine of medium potency, 1 dose of MMR vaccine, 1 dose of Havrix vaccine, and 1 dose of Prevnar 13 vaccine on Day 1.
VNS_High GroupEXPERIMENTALParticipants received 1 dose of VNS vaccine of high potency, 1 dose of MMR vaccine, 1 dose of Havrix vaccine, and 1 dose of Prevnar 13 vaccine on Day 1.
VV_Lot1 and Lot2 Pooled GroupACTIVE_COMPARATORParticipants received 1 dose of a licensed varicella vaccine (VV) of Lot 1 or 1 dose of a licensed vaccine (VV) of Lot 2, 1 dose of MMR vaccine, 1 dose of Havrix vaccine, and 1 dose of Prevnar 13 vaccine on Day 1.
Interventions
NameTypeDescription
Investigational varicella vaccine low potencyBIOLOGICAL1 dose of a low-potency investigational varicella vaccine administered subcutaneously.
Investigational varicella vaccine medium potencyBIOLOGICAL1 dose of a medium-potency investigational varicella vaccine administered subcutaneously.
Investigational varicella vaccine high potencyBIOLOGICAL1 dose of a high-potency investigational varicella vaccine administered subcutaneously.
Licensed varicella vaccine Lot 1BIOLOGICAL1 dose of a licensed varicella vaccine of Lot 1 administered subcutaneously.
Licensed varicella vaccine Lot 2BIOLOGICAL1 dose of a licensed varicella vaccine of Lot 2 administered subcutaneously.
Measles, mumps, and rubella vaccineBIOLOGICAL1 dose of a measles, mumps, and rubella vaccine administered subcutaneously.
Hepatitis A vaccineBIOLOGICAL1 dose of a hepatitis A vaccine administered intramuscularly.
13-valent pneumococcal conjugate vaccineBIOLOGICAL1 dose of a 13-valent pneumococcal conjugate vaccine administered intramuscularly.
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Eligibility Criteria
Age Range12 Months — 15 Months
SexALL
Healthy VolunteersYes
Study Sites51

Inclusion Criteria: * Healthy participants as established by medical history and clinical examination before entering into the study. * A male or female between, and including, 12 and 15 months of age (i.e., from his/her 1 year birthday until the day before age of 16 months) at the time of the admi...

Countries:United StatesEstoniaPolandPuerto RicoTaiwanUnited Kingdom
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