A method for the treatment for hepatitis delta infection in a host, that includes administering an effective amount of a nucleoside or a nucleoside analog that suppresses the expression of the hepatitis B surface or preS1 antigen in the host 100-fold or more relative to pretreatment values in vivo; or to not more than 1 microgram per milliliter in vivo. In a preferred embodiment, the nucleoside is L-FMAU, or a pharmaceutically acceptable salt or prodrug thereof.
一种治疗宿主体内丁型肝炎感染的方法,包括在体内给予有效量的核苷或核苷类似物,使其在体内相对于治疗前的值下降100倍或更多,抑制宿主体内丙型肝炎表面或preS1抗原的表达;或在体内不超过1微克/毫升。在优选实施例中,核苷为L-
FMAU或其药学上可接受的盐或前药。