William Wl Wong1,2, Alex Haines2, Hooman Farhang Zangneh3, Hemant Shah3. 1. School of Pharmacy, Faculty of Science, University of Waterloo, Kitchener, Ontario, Canada. 2. Toronto Health Economics and Technology Assessment Collaborative (THETA), Faculty of Pharmacy, University of Toronto, Toronto, Ontario, Canada. 3. Toronto Centre for Liver Disease, University Health Network, University of Toronto, Toronto, Ontario, Canada.
Abstract
Background: Screening for hepatitis C virus (HCV) followed by direct-acting antiviral (DAA) treatment in individuals born between 1945 and 1964 has been shown to be both effective and cost-effective, but the question of affordability remains unresolved. We looked at long-term cost and health outcomes of HCV screening for Ontario up to 2030. Methods: We used a validated state-transition model to analyze the budget and health impact of HCV screening followed by DAA treatment in individuals born between 1945 and 1964 versus current practice. We used a payer's perspective, discounting costs at an annual rate of 1.5%. Costs, liver-related deaths, and hepatocellular carcinoma (HCC) and decompensated cirrhosis (DC) cases detected were measured over a 14-year period. Results: By 2030, the cost of implementing a HCV screening program for individuals born between 1945 and 1964 will add an additional $845 million to the Ontario health care budget. Sensitivity analyses showed that DAA costs had the largest effect on the budget, and decreasing DAA costs to $16,000 will lead to a significantly lower budget impact of $331 million. Regarding population health, a screen-and-treat strategy will prevent 1,199 cases of HCC, 1,565 cases of DC, and 1,665 liver-related deaths by 2030. Conclusions: Contrasting the budget impact of this HCV screening strategy with other recommended health services and technologies, we conclude that HCV screening should be considered affordable. If Canada is committed to meeting the targets set out by the World Health Organization, then provinces cannot afford to not expand current screening programs.
Background: Screening for hepatitis C virus (HCV) followed by direct-acting antiviral (DAA) treatment in individuals born between 1945 and 1964 has been shown to be both effective and cost-effective, but the question of affordability remains unresolved. We looked at long-term cost and health outcomes of HCV screening for Ontario up to 2030. Methods: We used a validated state-transition model to analyze the budget and health impact of HCV screening followed by DAA treatment in individuals born between 1945 and 1964 versus current practice. We used a payer's perspective, discounting costs at an annual rate of 1.5%. Costs, liver-related deaths, and hepatocellular carcinoma (HCC) and decompensated cirrhosis (DC) cases detected were measured over a 14-year period. Results: By 2030, the cost of implementing a HCV screening program for individuals born between 1945 and 1964 will add an additional $845 million to the Ontario health care budget. Sensitivity analyses showed that DAA costs had the largest effect on the budget, and decreasing DAA costs to $16,000 will lead to a significantly lower budget impact of $331 million. Regarding population health, a screen-and-treat strategy will prevent 1,199 cases of HCC, 1,565 cases of DC, and 1,665 liver-related deaths by 2030. Conclusions: Contrasting the budget impact of this HCV screening strategy with other recommended health services and technologies, we conclude that HCV screening should be considered affordable. If Canada is committed to meeting the targets set out by the World Health Organization, then provinces cannot afford to not expand current screening programs.
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