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Comparator: modified process hepatitis B vaccine

Phase 3

Hepatitis B Virus Infection | Monoclonal antibody | Infectious Disease |Merck & Company, Inc.|Last Updated: Apr 13, 2017

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 Enrollment277
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT00440297Hepatitis B Vaccine Predialysis/Dialysis Study (V232-060)PHASE3 COMPLETED 277Dec 1, 2006May 1, 2008Apr 13, 2017 -
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Study Endpoints
Primary Endpoints
The Number of Seroprotected Participants to the Modified Process Hepatitis B Vaccine and ENGERIX-B™ (Currently Licensed Vaccine) at Month 7
7 months (1 month after the third dose)

The number of participants as measured by the seroprotection rate (anti-hepatitis B surface antibodies greater than or equal to 10 mIU/mL). Anti-HBs (Antibodies against hepatitis B surface antigen) titers were measured from blood samples taken at Day 1 (prior to the first dose) and at Month 7 (1 month after the third dose).

The Number of Seroprotected Participants to the Modified Process Hepatitis B Vaccine and ENGERIX-B™ (Currently Licensed Vaccine) at Month 9
9 months (1 month after the fourth dose)

The number of participants as measured by the seroprotection rate (anti-hepatitis B surface antibodies greater than or equal to 10 mIU/mL). Anti-HBs (Antibodies against hepatitis B surface antigen) titers were measured from blood samples taken at Day 1 (prior to the first dose) and at Month 9 (1 month after the fourth dose).

The Total Number of Participants With One or More Injection-Site Adverse Experiences
Days 1-15 After Any Vaccination
The Total Number of Participants With a Maximum Temperature >= 100.0F / 37.8C
Days 1-5 After Any Vaccination
The Total Number of Participants With Serious Vaccine-Related Clinical Adverse Experiences
0-9 months (recorded from first dose until the participant completes or discontinues the study)

Participants with adverse experiences considered possibly, probably, or definitely related to study vaccines and considered serious (death, persistent disability, life threatening, hospitalization, birth defects, cancer, or overdose).

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Study Design & Arms
AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposePREVENTION
Treatment Arms
ArmTypeDescription
Modified process hepatitis B vaccineEXPERIMENTALModified process hepatitis B vaccine 40 ug/1.0 mL injection in a 4 dose regimen at months 0, 1, 6, and 8. Duration of treatment is 9 months.
ENGERIX-B™2ACTIVE_COMPARATORENGERIX-B™ two 20 ug/1.0 mL injections in a 4 dose regimen at months 0, 1, 6, and 8. Duration of treatment is 9 months.
Interventions
NameTypeDescription
Comparator: modified process hepatitis B vaccineBIOLOGICALModified process hepatitis B vaccine 40 ug/1.0 mL injection in a 4 dose regimen at months 0, 1, 6, and 8. Duration of treatment is 9 months.
Comparator: ENGERIX-B™BIOLOGICALENGERIX-B™ two 20 ug/1.0 mL injections in a 4 dose regimen at months 0, 1, 6, and 8. Duration of treatment is 9 months.
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Eligibility Criteria
Age Range18 Years — N/A
SexALL
Healthy VolunteersNo

Inclusion Criteria: * Male and female subjects at least 18 years of age * Laboratory confirmed negative serology result to HbsAg (hepatitis b virus), anti-HBs (antibody to hepatitis B surface antigen), and anti HBc (antibody to hepatitis B core antigen) within 6 weeks of the initial dose of study v...

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