There is one clinical trial.
The purpose of the study is to investigate the safety and the antiviral activity of ascending multiple oral doses of LB80380 for 12 weeks in adults with lamivudine-refractory chronic hepatitis B infection.
- Presence of HBeAg for more than 1 month with compensated liver disease - Confirmation of YMDD mutants (M552V, M552I and its related double mutant at L528M) by genotyping of the YMDD motif using line probe assay (INNO-LiPA HBV DR assay) - Screening HBV DNA value higher than or equal to 1,000,000 copies/mL (measured by the COBAS Amplicor HBV Monitor™ assay) - Screening ALT value between 1.5 and 10 x ULN Exclusion Criteria: - Co-infection with hepatitis C or D virus (HCV or HDV) or HIV - Pregnancy or breast-feeding - Previous treatment with nucleoside analogue or any other treatment for HBV except for lamivudine within 6 months prior to study entry - Treatment with immunomodulatory agent or corticosteroids within 6 months prior to study entry. --- M552V --- --- M552I ---