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Priorix

Phase 3

Haemophilus Influenzae Type b | Monoclonal antibody | Infectious Disease |GSK plc|Last Updated: Aug 24, 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
RandomizedACTIVE_CONTROLLED
Total Trials1
Total Enrollment433
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT00326118Study in Toddlers to Demonstrate Non-inferiority of GSK Biologicals' Hib-MenC & to Evaluate Persistence up to 5 Years.PHASE3 COMPLETED 433Jun 1, 2006Nov 6, 2007Aug 24, 20187 Australia
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Study Endpoints
Primary Endpoints
Number of Subjects With Anti-polyribosylribitol Phosphate (Anti-PRP) Antibody Concentration Greater Than or Equal to 0.15 Micrograms Per Milliliter (µg/mL)
1 month after vaccination

Anti-PRP antibody concentration greater than or equal to 0.15 µg/mL is indicative of short-term protection.

Number of Subjects With Meningococcal Serogroup C Serum Bactericidal Assay Using Rabbit Complement (rSBA-MenC) Titers Greater Than or Equal to 1:8 Titer
1 month after vaccination

rSBA-MenC titers greater than or equal to 1:8 titer are indicative of seroprotection.

Secondary Endpoints
Number of Subjects With Meningococcal Serogroup C Serum Bactericidal Assay Using Rabbit Complement (rSBA-MenC) Titers Above the Cut-off Values
Prior to, 1 month, 1 year, 2 years, 3 years and 4 years after vaccination
Meningococcal Serogroup C Serum Bactericidal Assay Using Rabbit Complement (rSBA-MenC) Titers
Prior to, 1 month, 1 year, 2 years, 3 years and 4 years after vaccination.
Number of Subjects With Anti-polyribosylribitol Phosphate (Anti-PRP) Antibody Concentration Above Cut-off Values
Prior to, 1 month, 1 year, 2 years, 3 years and 4 years after vaccination
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Study Design & Arms
AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposePREVENTION
Treatment Arms
ArmTypeDescription
Meningitec + Hiberix GroupACTIVE_COMPARATORSubjects received a single dose of Meningitec™ vaccine co-administered with Hiberix™ and Priorix™ vaccines. The Meningitec vaccine was administered intramuscularly in the left deltoid region, the Hiberix vaccine was administered intramuscularly in the left thigh region and the Priorix vaccine was administered subcutaneously in the right upper arm.
Menitorix GroupEXPERIMENTALSubjects received a single dose of Menitorix™ vaccine co-administered with Priorix™ vaccine. Menitorix vaccine was administered intramuscularly in the left deltoid region and the Priorix vaccine was administered subcutaneously in the right upper arm.
Interventions
NameTypeDescription
Haemophilus influenzae type b and meningococcal serogroup C (vaccine)BIOLOGICALOne intramuscular dose at 12-18 months of age
Priorix™BIOLOGICALOne subcutaneous dose at 12-18 months of age
Hiberix™BIOLOGICALOne intramuscular dose at 12-18 months of age.
Meningitec™BIOLOGICALOne intramuscular dose at 12-18 months of age
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Eligibility Criteria
Age Range12 Months — 18 Months
SexALL
Healthy VolunteersYes
Study Sites7

Inclusion Criteria: Primary phase: * Subjects whom the investigator believes that their parents/guardians can and will comply with the requirements of the protocol. * A male or female between, and including, 12 and 18 months of age at the time of vaccination. * Written informed consent obtained fr...

Countries:Australia
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