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Case reports and short-term clinical trials have suggested that treatment for chronic hepatitis B (CHB) may lead to improvement of cirrhosis. The aim of the present study was to measure liver stiffness in patients diagnosed with advanced fibrosis or cirrhosis prior to prolonged treatment with nucleoside or nucleotide analogs (NUCs) for CHB. Patients with CHB and advanced fibrosis or cirrhosis prior to treatment with NUCs for at least 1 year were offered inclusion in the study. We measured liver stiffness using transient elastography (TE) at follow-up. TE cut-off levels to Metavir classification for fibrosis stage F2, F3 and F4 were ≥7.2 kPa, ≥8.1, and ≥11.0 kPa, respectively. Among 66 patients with a successful TE examination at follow-up, 53 patients (80%) had cirrhosis and 13 had (20%) advanced fibrosis (F3) prior to treatment. Median treatment duration was 50.5 months …