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3、耐药指南
(摘自2009版美国版专家共识AASLD PRACTICE GUIDELINES)
Management of Antiviral-Resistant HBV
Prevention
● Avoid unnecessary treatment
● Initiate treatment with potent antiviral that has low rate of drug resistance
or with combination therapy
● Switch to alternative therapy in patients with primary non-response
Monitoring
● Test for serum HBV DNA (PCR assay) every 3-6 months during treatment
● Check for medication compliance in patients with virologic breakthrough
● Confirm antiviral resistance with genotypic testing
Treatment
Lamivudine-resistance 3 Add adefovir or tenofovir
Stop lamivudine, switch to Truvada*∧
Adefovir-resistance 3 Add lamivudine#
Stop adefovir, switch to Truvada*∧
Switch to or add entecavir#∧
Entecavir-resistance 3 Switch to tenofovir or Truvada∧
Telbivudine-resistance 3 Add adefovir or tenofovir
Stop telbivudine, switch to Truvada
*Truvada combination pill with emtricitabine 200 mg and tenofovir 300 mg
#Durability of viral suppression unknown, especially in patients with prior
lamivudine resistance
∧In HIV coinfected persons; scanty in vivo data in non HIV infected persons
Clinical data not available
简单概括为:
1,拉米耐药 联合阿德或替诺
或者停服拉米,换Truvada
2,阿德耐药 联合拉米
或者停服阿德,换Truvada
联合或者换恩替
3,恩替耐药 换替诺或Truvada
4,替比耐药 联合阿德或替诺
或者停服替比,换Truvada
注:Truvada是替诺和恩曲他滨的合成药物
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