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2XP HEPTAVAX-II

Phase 3

Hepatitis B | Monoclonal antibody | Infectious Disease |Merck & Company, Inc.|Last Updated: Jul 18, 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
RandomizedDouble-BlindACTIVE_CONTROLLEDBiomarker
Total Trials1
Total Enrollment722
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT01463683Modified Process Hepatitis B Vaccine in Japanese Young Adults (V232-062)PHASE3 COMPLETED 722Nov 29, 2011Nov 6, 2012Jul 18, 2018 -
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Study Endpoints
Primary Endpoints
Percentage of Participants Receiving Subcutaneous Vaccination Who Achieved Seroprotection
Month 7

Blood samples were collected for anti-hepatitis B antibody assays. Seroprotection was defined as ≥10 mIU/mL anti-hepatitis B antibody.

Percentage of Participants With Injection-site Adverse Events
Up to 15 days after each vaccination

Participants were evaluated for injection-site adverse events using MedDRA version 15.1

Percentage of Participants With Pyrexia Adverse Events
Up to 15 days after each vaccination

Participants were evaluated for pyrexia adverse events using MedDRA version 15.1. Pyrexia (fever) was defined as an oral temperature ≥37.8°C ( ≥100.0°F).

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Study Design & Arms
AllocationRANDOMIZED
MaskingDOUBLE
ModelPARALLEL
PurposePREVENTION
Treatment Arms
ArmTypeDescription
V232-2XP SCEXPERIMENTAL2XP HEPTAVAX™-II vaccine 10 mcg in 0.5 mL subcutaneous injection on Day 1, Month 1, and Month 6
V232-1XP SCACTIVE_COMPARATOR1XP HEPTAVAX™-II vaccine 10 mcg in 0.5 mL subcutaneous injection on Day 1, Month 1, and Month 6
V232-2XP IMEXPERIMENTAL2XP HEPTAVAX™-II vaccine 10 mcg in 0.5 mL intramuscular injection on Day 1, Month 1, and Month 6
Interventions
NameTypeDescription
2XP HEPTAVAX™-II SCBIOLOGICAL -
1XP HEPTAVAX™-II SCBIOLOGICAL -
2XP HEPTAVAX™-II IMBIOLOGICAL -
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Eligibility Criteria
Age Range20 Years — 35 Years
SexALL
Healthy VolunteersYes

Inclusion Criteria: To receive the first study vaccination, Participants should meet all inclusion criteria. * Participants provide written informed consent for the trial. The Participant may also provide consent for Future Biomedical Research. However, the Participant may participate in the main ...

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