Hepatitis B, Chronic
Conditions
Brief summary
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.
Interventions
10mg po daily for 96 weeks (arm 1) or 48 weeks (arm 2)
180 micrograms weekly for 48 weeks
Sponsors
Study design
Eligibility
Inclusion criteria
* adult patients, 18-70 years of age; * chronic hepatitis B; * positive HBsAg, positive anti-HBe, negative anti HBsAg, negative HBeAg for at least the prior 6 months; * either nucleoside analogue naive, or has not received IFN-a in the past 6 months.
Exclusion criteria
* positive for hepatitis A, C, D or HIV; * history or other evidence of a medical condition associated with chronic liver disease other than hepatitis B; * antiviral, antineoplastic or immunomodulatory treatment \<=6 months prior to first dose of randomized treatment.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Normalization of ALT, and HBV-DNA <400 copies/mL | Week 96 for arm 1; week 48 for arms 2 and 3 |
| HBsAg quantitative loss and anti-HBs seroconversion | Weeks 48, 96 and 144 |
Secondary
| Measure | Time frame |
|---|---|
| AEs, lab parameters, vital signs | Throughtout study |
Countries
Turkey (Türkiye)