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AAAA

Phase 3

Chronic Hepatitis B | Small molecule | Infectious Disease |GSK plc|Last Updated: Apr 3, 2009

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-BlindPLACEBO_CONTROLLED
Total Trials1
Total Enrollment480
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT00857675A Efficacy and Safety Study of Adefovir Dipivoxil to Treat Chinese Patients With HBeAg+ve Chronic Hepatitis BPHASE3 COMPLETED 480Dec 1, 2002Mar 1, 2008Apr 3, 200910 China
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Study Endpoints
Primary Endpoints
The log10 reduction in HBV DNA from baseline at week 12 between ADV 10mg and matching placebo
Week 12
Secondary Endpoints
The proportion of subjects with ALT normalisation
Week 52, 104, 156, 208, 260
log10 reduction in serum HBV DNA
Week 52, 104, 156, 208, 260
The proportion of subjects with HBV DNA 10(5) copies/mL or a 2 log10 reduction from Baseline HBV DNA level
Week 52, 104, 156, 208, 260
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Study Design & Arms
AllocationRANDOMIZED
MaskingTRIPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Adefovir DipivoxilEXPERIMENTALADV 10mg tablets once daily
Adefovir Dipivoxil matched placeboPLACEBO_COMPARATORAdefovir Dipivoxil matched placebo one tablet once daily
Interventions
NameTypeDescription
AAAADRUGAdefovir Dipivoxil (12 weeks) + open lable Adefovir Dipivoxil (28 weeks) + Adefovir Dipivoxil (12 weeks) + Open label Adefovir Dipivoxil (52-260weeks)
AAPADRUGAdefovir Dipivoxil (12 weeks) + Open label Adefovir Dipivoxil (28 weeks) + placebo (12 weeks) + open label-Adefovir Dipivoxil (52-260 weeks)
PAAADRUGPlacebo (12 weeks) + Open label Adefovir Dipivoxil (28 weeks) + Adefovir Dipivoxil (12 weeks) + Open label Adefovir Dipivoxil (52-260 weeks)
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Eligibility Criteria
Age Range18 Years — 65 Years
SexALL
Healthy VolunteersNo
Study Sites10

Inclusion Criteria: * Aged 18-65 years * Presence of HBsAg and HBeAg at the time of screening and for at least 6 months prior to screening. * Positive HBV DNA plasma assay with screening value equal or more than 10 (6) copies/mL (Roche COBAS AMPLICORTM HBV MONITOR Test, LLOD less than 300 copies/mL...

Countries:China
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