This 3 arm study will compare the efficacy and safety of combination therapy with PEGASYS + adefovir dipivoxil (ADV) versus PEGASYS monotherapy, in HBeAg-negative chronic hepatitis B patients.Patients will be randomized to receive 1)PEGASYS 180 micrograms sc weekly + ADV 10mg po daily for 48 weeks, followed by ADV 10mg po monotherapy for an additional 48 weeks, and a further 48 week treatment-free follow-up, 2)PEGASYS 180 micrograms sc weekly + ADV 10mg po daily for 48 weeks, followed by a 96 week treatment-free follow-up, or 3)PEGASYS 180 micrograms sc monotherapy weekly for 48 weeks, followed by a 96 week treatment-free follow-up. The anticipated time on study treatment is 1-2 years, and the target sample size is \<100 individuals.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
10
10mg po daily for 96 weeks (arm 1) or 48 weeks (arm 2)
180 micrograms weekly for 48 weeks
Unnamed facility
Ankara, Turkey (Türkiye)
Unnamed facility
Ankara, Turkey (Türkiye)
Unnamed facility
Ankara, Turkey (Türkiye)
Unnamed facility
Ankara, Turkey (Türkiye)
Unnamed facility
Gaziantep, Turkey (Türkiye)
Normalization of ALT, and HBV-DNA <400 copies/mL
Time frame: Week 96 for arm 1; week 48 for arms 2 and 3
HBsAg quantitative loss and anti-HBs seroconversion
Time frame: Weeks 48, 96 and 144
AEs, lab parameters, vital signs
Time frame: Throughtout study
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