Patients included in this analysis had completed ≥ 52 weeks of study drug treatment and exhibited HBeAg loss for ≥ 24 weeks, with HBV DNA < 5 log10 copies/ ml at the last visit, or, if they were HBeAg-negative at entry, completed ≥ 52 weeks of study drug treatment AND had HBsAg loss documented on ≥ 2 consecutive study visits.