期刊
CLINICAL DRUG INVESTIGATION
卷 38, 期 11, 页码 1031-1039出版社
ADIS INT LTD
DOI: 10.1007/s40261-018-0702-9
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Background and ObjectiveNew direct-acting antivirals (DAAs) have high efficacy and tolerability in the treatment of hepatitis C virus (HCV) infection. The objective of this study was to assess the cost-effectiveness of elbasvir/grazoprevir (EBR/GZR) versus daclatasvir plus asunaprevir (DCV+ASV) in Chinese patients with chronic HCV genotype (GT) 1b infection stratified by cirrhosis status and treatment history. Methods A cohort state-transition model was constructed to simulate the course of chronic HCV infection in patients stratified by cirrhosis status and treatment history. The model projected lifetime outcomes and costs in terms of HCV treatment, laboratory tests, clinical procedures, and hospitalizations. Mean age of the study cohort at baseline was 45years, based on published sources. Sustained virologic response (SVR) rates were derived from clinical trials. Healthcare resource utilization and health utilities were extracted or estimated from published studies in Chinese populations. The stability of the base-case analysis was validated by deterministic and probabilistic sensitivity analyses. Results In each subpopulation of Chinese patients, treatment with EBR/GZR dominated treatment with DCV+ASV, with lower costs and higher quality-adjusted life-years (QALYs). Sensitivity analysis demonstrated that EBR/GZR was the cost-effective option compared to DCV+ASV in 77.4-97.4% or 94.1-100% of model simulations in Chinese treatment-naive or treatment-experienced patients, respectively, as the cost-effectiveness threshold changed from zero to US$24,150/QALY (three times GDP per capita in China). Conclusions Treatment with EBR/GZR was the cost-effective option for patients with chronic HCV GT1b infection in China, regardless of cirrhosis status or treatment history.
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