3 years ago

Systematic review: cost-effectiveness of direct-acting antivirals for treatment of hepatitis C genotypes 2-6

C. Hur, J. Chhatwal, M. A. Lopez-Olivo, T. He
Background The availability of direct-acting antivirals (DAAs) has dramatically changed the landscape of hepatitis C virus (HCV) therapy; however, the cost and budget requirements for DAA treatment have been widely debated. Aims To systematically review published studies evaluating the cost-effectiveness of DAAs for HCV genotype 2-6 infections, and synthesise and re-evaluate results with updated drug prices. Methods We conducted a systematic search of various electronic databases, including Medline, EMBASE, Cochrane library and EconLit for cost-effectiveness studies published from 2011 to 2016. Studies evaluating DAAs for genotypes 2-6 were included. Reported costs, quality-adjusted life-years (QALYs) and incremental cost-effectiveness ratios (ICERs) were abstracted. We re-estimated ICERs by varying the price of DAAs from $20 000 to $100 000, and estimated the threshold price at which DAA regimens would be deemed cost-effective (ICER≤$100 000/QALY). Results A total of 92 ICERs for 7 different DAA regimens from 10 published articles were included. Among the abstracted 92 ICERs, 20 were for genotype 2, 40 for genotype 3, 30 for genotype 4, 2 for genotype 5 and none for genotype 6; therefore, only genotypes 2-5 were analysed. At the discounted price of $40 000, 87.0% analyses found DAA regiments to be cost-effective, and 7.6% found to be cost-saving. The median threshold price below which DAAs would be deemed cost-effective was between $144 400 and $225 000, and cost-saving between $17 300 and $25 400. Conclusions HCV treatment with DAAs is highly cost-effective in patients with HCV genotypes 2-5 at a $100 000/QALY threshold. Timely HCV treatment would be an optimal strategy from both a public health and economic perspective.

Publisher URL: http://onlinelibrary.wiley.com/resolve/doi

DOI: 10.1111/apt.14271

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