Resistance mutations of hepatitis B virus in entecavir‐refractory patients
Norie Yamada, Ryuichi Sugiyama, Sayuri Nitta, Asako Murayama, Minoru Kobayashi, Chiaki Okuse, Michihiro Suzuki, Kiyomi Yasuda, Hiroshi Yotsuyanagi, Kyoji Moriya, Kazuhiko Koike, Takaji Wakita, Takanobu Kato – 9 March 2017 – The emergence of resistance mutations in the reverse transcriptase gene of hepatitis B virus (HBV) is associated with treatment failure. Entecavir (ETV) is one of the most potent anti‐HBV reagents; it has a very low resistance rate and is used as the first‐line treatment for chronic hepatitis B.