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  • Title: Helicobacter pylori vaccine development and use: a cost-effectiveness analysis using the Institute of Medicine Methodology.
    Author: Rupnow MF, Owens DK, Shachter R, Parsonnet J.
    Journal: Helicobacter; 1999 Dec; 4(4):272-80. PubMed ID: 10597398.
    Abstract:
    BACKGROUND: Prophylactic vaccination has been suggested as a better strategy than antibiotics to control Helicobacter pylori infection. We evaluated the cost-effectiveness (CE) of H. pylori vaccine development and use in the United States and developing countries, using a method developed by the Institute of Medicine (IOM). METHODS: The IOM model includes costs of vaccine development, vaccination program, and averted medical treatments; morbidity and mortality prevented; expected efficacy and use; and proportion of disease that is vaccine-preventable. The model employs infant mortality equivalence (IME) to estimate disease burden; with IME, the societal cost of infection-related morbidity is expressed as equivalent to a specific rate of infant deaths. We tested model assumptions by univariate sensitivity analyses. RESULTS: In the United States, H. pylori vaccine would save 1,176 IME and would cost $58.71 million (1997 dollars) annually, yielding a CE ratio of $49,932 per IME; the health benefits would exceed all IOM-studied vaccines, even when efficacy dropped to 55%. H. pylori vaccine could be cost-saving if priced at less than $60 per course. In developing countries, H. pylori vaccine would rank unfavorably both in terms of health benefits (33,518 IME) and costs ($5,254 million). None of the changes in assumptions improved significantly the H. pylori vaccine's ranking relative to other IOM-studied vaccines. CONCLUSIONS: Compared to other vaccines evaluated in the IOM study, H. pylori vaccine warrants public resource allocation for accelerated development and use in the United States but not for use in developing countries.
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