Cost-Effectiveness Analysis of Sofosbuvir Compared to Current Standard Treatment in Swiss Patients with Chronic Hepatitis C

Alena M Pfeil, Oliver Reich, Ines M Guerra, Sandrine Cure, Francesco Negro, Beat Müllhaupt, Daniel Lavanchy and Matthias Schwenkglenks

PLOS ONE, 2015, vol. 10, issue 5, 1-20

Abstract: In clinical trials, sofosbuvir showed high antiviral activity in patients infected with hepatitis C virus (HCV) across all genotypes. We aimed to determine the cost-effectiveness of sofosbuvir-based treatment compared to current standard treatment in mono-infected patients with chronic hepatitis C (CHC) genotypes 1–4 in Switzerland. Cost-effectiveness was modelled from the perspective of the Swiss health care system using a lifetime Markov model. Incremental cost-effectiveness ratios (ICERs) used an endpoint of cost per quality-adjusted life year (QALY) gained. Treatment characteristics, quality of life, and transition probabilities were obtained from published literature. Country-specific model inputs such as patient characteristics, mortality and costs were obtained from Swiss sources. We performed extensive sensitivity analyses. Costs and effects were discounted at 3% (range: 0–5%) per year. Sofosbuvir-containing treatment in mixed cohorts of cirrhotic and non-cirrhotic patients with CHC genotypes 1–4 showed ICERs between CHF 10,337 and CHF 91,570 per QALY gained. In subgroup analyses, sofosbuvir dominated telaprevir- and boceprevir-containing treatment in treatment-naïve genotype 1 cirrhotic patients. ICERs of sofosbuvir were above CHF 100,000 per QALY in treatment-naïve, interferon eligible, non-cirrhotic patients infected with genotypes 2 or 3. In deterministic and probabilistic sensitivity analyses, results were generally robust. From a Swiss health care system perspective, treatment of mixed cohorts of cirrhotic and non-cirrhotic patients with CHC genotypes 1–4 with sofosbuvir-containing treatment versus standard treatment would be cost-effective if a threshold of CHF 100,000 per QALY was assumed.

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0126984

DOI: 10.1371/journal.pone.0126984

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