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MenACWY liquid

Phase 2

Meningitis, Meningococcal | Monoclonal antibody | Infectious Disease |GSK plc|Last Updated: Feb 17, 2021

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_CONTROLLEDBiomarker
Total Trials1
Total Enrollment1,707
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT03433482A Study to Investigate the Safety and Immunogenicity of Different Formulations of GSK Biologicals' Meningococcal ACWY Conjugate Vaccine (GSK3536820A and Menveo) Administered to Healthy Adolescents and Young Adults 10 to 40 Years of AgePHASE2 COMPLETED 1,707Aug 30, 2018Dec 17, 2019Feb 17, 202149 Brazil, Estonia +7
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Study Endpoints
Primary Endpoints
Adjusted Human Serum Bactericidal Activity (hSBA) Geometric Mean Titers (GMTs) Against N. Meningitidis Serogroup A for Each Vaccine Group and Between-group Ratios
At Day 29

hSBA titers against N. meningitidis serogroup A are calculated in terms of GMTs adjusted for pre-vaccination titer.

Secondary Endpoints
hSBA GMTs Against Each of the N.Meningitidis Serogroups A,C,W and Y for Each Vaccine Group and Between-group Ratios
At Day 1 and Day 29
Within-group Geometric Mean Ratios (GMRs) of GMTs Against Each of the N.Meningitidis Serogroups A,C,W and Y for Each Vaccine Group
At Day 29
Percentages of Subjects With ≥4 Fold Rise in hSBA Antibody Titers for Each of the N.Meningitidis Serogroups A, C,W and Y for Each Vaccine Group and Between-group Differences
At Day 29
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Study Design & Arms
AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposePREVENTION
Treatment Arms
ArmTypeDescription
GSK3536820A ACWY_Liq24 GroupEXPERIMENTALHealthy subjects receiving a single dose of the investigational MenACWY liquid vaccine formulation aged for approximately 24 months, at Day 1 in the Study Phase1.
ACWY_1 GroupACTIVE_COMPARATORHealthy subjects receiving a single dose of the licensed GSK's MenACWY vaccine formulation (Menveo), at Day 1 in the Study Phase1.
GSK3536820A ACWY_Liq30 GroupEXPERIMENTALHealthy subjects receiving a single dose of the investigational MenACWY liquid vaccine formulation aged for approximately 30 months, at Day 1 in the Study Phase 2.
ACWY_2 GroupACTIVE_COMPARATORHealthy subjects receiving a single dose of the licensed GSK's MenACWY vaccine formulation (Menveo), at Day 1 in the Study Phase 2.
Interventions
NameTypeDescription
MenACWY liquidBIOLOGICALAt visit 1 (day 1), each subject will receive a single dose of the investigational MenACWY liquid vaccine (GSK3536820A) aged for approximately 24 months in Phase 1 of the study (subjects randomized to study arm ACWY\_Liq24) or vaccine aged for 30 months in Phase 2 of the study (subjects randomized to study arm ACWY\_Liq30), administered by intramuscular injection in the deltoid of the non-dominant arm.
MenACWYBIOLOGICALAt visit 1 (day 1), each subject will receive a single dose of the MenACWY vaccine in the Phase1 of the study (subjects randomized to study arm ACWY\_1) or in phase 2 of the study (subjects randomized to study arm ACWY\_2), administered by intramuscular injection in the deltoid of the non-dominant arm.
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Eligibility Criteria
Age Range10 Years — 40 Years
SexALL
Healthy VolunteersYes
Study Sites49

Inclusion Criteria: 1. Subjects who, in the opinion of the investigator, can and will comply with the requirements of the protocol or subjects' parent(s)/Legally Acceptable Representative(s) \[LAR(s)\] who, in the opinion of the investigator, can and will comply, with the requirements of the protoc...

Countries:BrazilEstoniaFinlandFranceMexicoRussiaSouth AfricaSpainTurkey (Türkiye)
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