期刊
VACCINE
卷 39, 期 -, 页码 A42-A50出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.vaccine.2020.12.036
关键词
High-dose influenza vaccine; Health economics; Cost-effectiveness; Systematic review
资金
- Sanofi Pasteur
For adults aged >= 65 years, the high-dose trivalent inactivated influenza vaccine (IIV3-HD) is more effective and cost-saving compared to the standard-dose trivalent inactivated influenza vaccine (IIV3-SD), primarily by reducing hospitalizations for cardiorespiratory events.
Introduction: Due to waning immunity, adults aged >= 65 years are at increased risk of seasonal influenza infection and its complications. Adding to this risk, older adults have reduced responses to influenza vaccines. A high-dose trivalent inactivated influenza vaccine (Fluzone High-Dose, Sanofi Pasteur) (IIV3-HD) was developed to improve protection against influenza in adults aged >= 65 years and has been licensed in the US since 2009 and in Canada since 2015. Post-licensure studies have shown that IIV3-HD is more effective than standard-dose trivalent inactivated influenza vaccine (IIV3-SD) at protecting against influenza infection in this population. Here, we performed a systematic review of economic analyses of IIV3HD in adults aged >= 65 years. Methods: On June 9, 2019, using the Ovid search platform, we searched Econlit, Embase, and Ovid MEDLINE (R) for original studies published in peer-reviewed journals examining the economics or cost-effectiveness of IIV3-HD in adults aged >= 65 years. Two reviewers independently selected studies and assessed their quality. Results: Seven studies were selected, all performed in the US or Canada. Five studies were funded by IIV3-HD manufacturer, and the remaining two by the US National Institute of General Medical Sciences. In all studies, IIV3-HDreduces healthcare resource utilization and is cost-effective or cost-saving compared to IIV3-SD. The main driver is reduced hospitalizations for cardiorespiratory events. Conclusion: IIV3-HD is cost-saving or cost-effective versus IIV3-SD in adults aged >= 65 years. Reduced cardiorespiratory complications are an important driver of these economic benefits. A video summary of the article can be accessed via the Supplementary data link at the end of this article. (C) 2020 Published by Elsevier Ltd.
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