Value of Comprehensive HCV Treatment among Vulnerable, High-Risk Populations (original) (raw)

The objective of this study was to explore the trade-offs society and payers make when expanding treatment access to patients with chronic hepatitis C virus (HCV) infection in early stages of disease as well as to vulnerable, high-risk populations, such as people who inject drugs (PWID) and HIV-infected men who have sex with men (MSM-HIV). Methods: A discrete time Markov model simulated HCV progression and treatment over 20 years. Population cohorts were defined by behaviors that influence the risk of HCV exposure: PWID, MSM-HIV, an overlap cohort of individuals who are both PWID and MSM-HIV, and all other adults. Six different treatment scenarios were modeled, with varying degrees of access to treatment at different fibrosis stages and to different risk cohorts. Benefits were measured as quality-adjusted lifeyears and a 150,000/quality−adjustedlife−yearvaluationwasusedtoassesssocialbenefits.Results:ComparedwithlimitingtreatmenttoMETAVIRfibrosisstagesF3orF4andexcludingPWID,expandingtreatmenttopatientsinallfibrosisstagesandincludingPWIDreducescumulativenewinfectionsby55150,000/quality-adjusted life-year valuation was used to assess social benefits. Results: Compared with limiting treatment to METAVIR fibrosis stages F3 or F4 and excluding PWID, expanding treatment to patients in all fibrosis stages and including PWID reduces cumulative new infections by 55% over a 20-year horizon and reduces the prevalence of HCV by 93%. We find that treating all HCV-infected individuals is cost saving and net social benefits are over 150,000/quality−adjustedlife−yearvaluationwasusedtoassesssocialbenefits.Results:ComparedwithlimitingtreatmenttoMETAVIRfibrosisstagesF3orF4andexcludingPWID,expandingtreatmenttopatientsinallfibrosisstagesandincludingPWIDreducescumulativenewinfectionsby55500 billion greater compared with limiting treatment. Including PWID in treatment access saves 12,900 to 41,200 lives. Conclusions: Increased access to treatment brings substantial value to society and over the long-term reduces costs for payers, as the benefits accrued from long-term reduction in prevalent and incident cases, mortality, and medical costs outweigh the cost of treatment.

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