For patients who met protocol-defined response criteria, response was sustained throughout the 24-week post-treatment follow-up in 75% (83/ 111) of entecavir responders vs 73% (68/ 93) for lamivudine responders in study 022 and 46% (131/ 286) of entecavir responders vs 31% (79/ 253) for lamivudine responders in study 027.