Decompensated liver disease Adult 1 mg once daily. Duration of therapy: At least 12 mth after achieving HBe seroconversion or until HBs seroconversion or loss of efficacy in HBeAg +ve adults. At least until Hbs seroconversion or w/ evidence of loss of efficacy in HBeAg -ve patients.
Compensated liver disease Nucleoside-naïve adult 0.5 mg once daily.
Lamivudine-refractory patients w/ evidence of viraemia while on lamivudine or presence of lamivudine resistance mutations 1 mg once daily.
Paed w/ body wt at least 32.6 kg One 0.5 mg-tab daily.
HBeAg +ve paed At least 12 mth after achieving undetectable HBV DNA & HBeAg seroconversion or until HBs seroconversion or loss of efficacy.
HBeAg -ve paed Until HBs seroconversion or loss of efficacy.
Renal impairment: Nucleoside naïve patient w/ CrCl ≥50 mL/min 0.5 mg once daily,
30-49 mL/min 0.25 mg once daily,
10-29 mL/min 0.15 mg once daily,
<10 mL/min, haemodialysis or continuous ambulatory peritoneal dialysis (CAPD) 0.05 mg once daily or 0.5 mg every 5-7 days;
lamivudine-refractory or decompensated liver disease w/ CrCl ≥50 mL/min 1 mg once daily,
30-49 mL/min 0.5 mg once daily,
10-29 mL/min 0.3 mg once daily,
<10 mL/min, haemodialysis or CAPD 0.1 mg once daily or 0.5 mg every 72 hr.