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Hepatology. 2014 Jul;60(1):37-45. doi: 10.1002/hep.27151. Epub 2014 May 14.

Cost analysis of sofosbuvir/ribavirin versus sofosbuvir/simeprevir for genotype 1 hepatitis C virus in interferon-ineligible/intolerant individuals.

Author information

1
Center for AIDS Research, Emory University School of Medicine and Veterans Affairs Medical Center, Atlanta, GA.

Abstract

Treatment guidance for chronic hepatitis C (CHC) released by the American Association for the Study of Liver Diseases (AASLD) and the Infectious Diseases Society of America (IDSA) offers two options for interferon (IFN)-ineligible/intolerant individuals with genotype 1 infection: sofosbuvir/ribavirin (SOF/RBV) for 24 weeks or sofosbuvir/simeprevir (SOF/SMV) for 12 weeks. A 24-week course of SOF/RBV costs approximately US$169,000, with sustained virologic response (SVR) rates ranging from 52% to 84%; 12 weeks of SOF/SMV costs approximately $150,000, with SVR between 89% and 100%. Because SOF/SMV is currently used off-label, debate exists among physicians and payers about whether it should be prescribed and covered. This article presents a cost-effectiveness analysis of these two treatment regimens accounting for costs of drugs, treatment-related medical care, retreatment for individuals who do not achieve SVR, and natural history of continued HCV infection after failed retreatment. Analysis uses a Markov model with a lifetime horizon and a societal perspective. In the base-case scenario, SOF/SMV dominated SOF/RBV in a modeled 50-year-old cohort of treatment-naïve and -experienced subjects, excluding those who failed earlier therapy with telaprevir or boceprevir. SOF/SMV yielded lower costs and more quality-adjusted life years (QALYs) for the average subject, compared to SOF/RBV ($165,336 and 14.69 QALYs vs. $243,586 and 14.45 QALYs, respectively). In base-case cost analysis, the SOF/SMV treatment strategy saved $91,590 per SVR, compared to SOF/RBV. Under all one-way sensitivity scenarios, SOF/SMV remained dominant and resulted in cost savings.

CONCLUSIONS:

These results suggest that a 12-week course of SOF/SMV is a more cost-effective treatment for genotype 1 CHC than 24 weeks of SOF/RBV among IFN-ineligible/intolerant individuals, supporting the AASLD/IDSA guidance and offering implications for both clinical and regulatory decision making as well as pharmaceutical pricing.

PMID:
24677184
PMCID:
PMC4077973
DOI:
10.1002/hep.27151
[Indexed for MEDLINE]
Free PMC Article
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