HBeAg positive (study 022): treatment with entecavir for up to 96 weeks (n = 354) resulted in cumulative response rates of 80% for HBV DNA < 300 copies/ ml by PCR, 87% for ALT normalisation, 31% for HBeAg seroconversion and 2% for HBsAg seroconversion (5% for HBsAg loss).