Hepatitis B Clinical Trial
Official title:
Tenofovir Alafenamide Versus Entecavir for the Treatment of Chronic Hepatitis B: An Open Label, Randomized Controlled Trial
To compare the efficacy and renal safety of tenofovir alafenamide (TAF) versus entecavir (ETV) in the chronic hepatitis B patients.
With high antiviral potency and low drug resistance rate, both ETV and tenofovir disoproxil fumarate (TDF) have been recommended as the first-line antiviral therapy for chronic hepatitis B (CHB). However, risk of renal dysfunction remains an issue in TDF long-term therapy. Tenofovir alafenamide (TAF) is a novel prodrug of tenofovir and is formulated to deliver the active metabolite to target cells more efficiently than TDF at lower doses, thereby reducing systemic exposure to tenofovir. Importantly, TAF had improved renal safety as compared to TDF. TAF has been approved for treating CHB since 2017; however, it is still unknown whether the efficacy and renal safety of TAF is compatible to those of ETV. The investigators aim to conduct an open label, randomized controlled trial comparing TAF with ETV for assessing their efficacy and renal safety in CHB patients. The eligible CHB patients are randomly assigned (1:1) to receive TAF or ETV. After allocation to TAF group or ETV group, study subjects will receive therapy for 3 years (144 weeks). ;
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