Vaccinating Italian infants with a new multicomponent vaccine (Bexsero®) against meningococcal B disease: A cost-effectiveness analysis

Walter Ricciardi, Chiara De Waure, Carlo Lucioni, Roberto Gasparini, Paolo Landa, Daniela Amicizia, Giancarlo Icardi, Elena Tanfani, Paolo Bonanni, Angela Testi, Donatella Panatto

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

The European Medicines Agency has approved a multicomponent serogroup B meningococcal vaccine (Bexsero®) for use in individuals of 2 months of age and older. A cost-effectiveness analysis (CEA) from the societal and Italian National Health Service perspectives was performed in order to evaluate the impact of vaccinating Italian infants less than 1 y of age with Bexsero®, as opposed to non-vaccination. The analysis was carried out by means of Excel Version 2011 and the TreeAge Pro® software Version 2012. Two basal scenarios that differed in terms of disease incidence (official and estimated data to correct for underreporting) were considered. In the basal scenarios, we considered a primary vaccination cycle with 4 doses (at 2, 4, 6 and 12 months of age) and 1 booster dose at the age of 11 y, the societal perspective and no cost for death. Sensitivity analyses were carried out in which crucial variables were changed over probable ranges. In Italy, on the basis of official data on disease incidence, vaccination with Bexsero® could prevent 82.97 cases and 5.61 deaths in each birth cohort, while these figures proved to be three times higher on considering the estimated incidence. The results of the CEA showed that the Incremental Cost Effectiveness Ratio (ICER) per QALY was €109,762 in the basal scenario if official data on disease incidence are considered and €26,599 if estimated data are considered. The tornado diagram indicated that the most influential factor on ICER was the incidence of disease. The probability of sequelae, the cost of the vaccine and vaccine effectiveness also had an impact. Our results suggest that vaccinating infants in Italy with Bexsero® has the ability to significantly reduce meningococcal disease and, if the probable underestimation of disease incidence is considered, routine vaccination is advisable.
Original languageEnglish
Pages (from-to)2148-2161
Number of pages14
JournalHUMAN VACCINES & IMMUNOTHERAPEUTICS
Volume12
DOIs
Publication statusPublished - 2016

Keywords

  • Bexsero®
  • Cost-Effectiveness Analysis (CEA)
  • Neisseria meningitidis B
  • health economics
  • meningococcus
  • vaccination

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