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Investigational varicella vaccine low potency

Phase 2

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

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindACTIVE_CONTROLLEDDMC
Total Trials1
Total Enrollment800

FDA Designations

No designations recorded

Clinical trial landscape

Investigational varicella vaccine low potency · 1 trial · 1 indication

Phase 2 1
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 AgeChickenpox
COMPLETED800 Analytics
PHASE2COMPLETED
A 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 Age
ChickenpoxUnlock trial analytics

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 to 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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Frequently asked questions about Investigational varicella vaccine low potency

What is the investigational varicella vaccine low potency used for?

The investigational varicella vaccine low potency is used for chickenpox, also known as varicella. It is being studied in healthy children 12 to 15 months of age to assess the immune response and safety of various potencies of the vaccine compared with a marketed chickenpox vaccine.

Who makes the investigational varicella vaccine low potency?

The investigational varicella vaccine low potency is being developed by GSK plc, which trades under the ticker GSK. The company is conducting clinical research on this vaccine for the prevention of chickenpox in young children.

What phase is the investigational varicella vaccine low potency in?

The investigational varicella vaccine low potency is in Phase 2 clinical development. It is an investigational product and has not been approved by regulatory authorities. One Phase 2 trial has been completed, involving 800 participants.

What clinical trials is the investigational varicella vaccine low potency in?

The investigational varicella vaccine low potency has been studied in one completed Phase 2 trial, NCT05084508. This randomized, double-blind, active-controlled study evaluated the immune response and safety of various potencies of the vaccine compared with a marketed chickenpox vaccine in healthy children 12 to 15 months of age.

Is the investigational varicella vaccine low potency a monoclonal antibody?

Yes, the investigational varicella vaccine low potency is classified as a monoclonal antibody modality. It is being investigated for use in chickenpox, an infectious disease, and is currently in Phase 2 clinical development by GSK plc.