Economic analysis of the phase III MENSA study evaluating mepolizumab for severe asthma with eosinophilic phenotype

Anirban Basu, Anand Dalal, Giorgio Walter Canonica, Mark Forshag, Steven W. Yancey, Saurabh Nagar, Christopher F. Bell

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Severe eosinophilic asthma patients are at risk of exacerbations, which are associated with substantial costs. Mepolizumab lowers eosinophil levels and reduces exacerbation risk in severe eosinophilic asthma. We evaluated asthma-related exacerbation costs in mepolizumab-treated patients (versus placebo). Methods: A within-trial economic analysis of the Mepolizumab as Adjunctive Therapy in Patients with Severe Asthma (MENSA) trial. Objectives were to quantify the incremental: (1) medical costs of asthma-related exacerbation; (2) asthma-related exacerbation emergency department visit/hospitalization costs; and (3) asthma-related total healthcare resource utilization. Results: Mean medical costs of asthma-related exacerbations at 8 months were $969, $852, and $1692 in the mepolizumab 75 mg intravenous (IV), mepolizumab 100 mg subcutaneous (SC), and placebo groups, respectively (p = 0.16). Mean medical costs from emergency department visits or hospitalizations due to asthma-related exacerbations were $901, $795, and $1557 in the mepolizumab 75 mg IV, mepolizumab 100 mg SC, and placebo groups (p = 0.020). Asthma-related healthcare resource utilization (all services) was lower for the mepolizumab groups versus placebo. Conclusions: Adding mepolizumab to standard-of-care treatment for severe eosinophilic asthma lowered asthma exacerbation-related medical costs/healthcare resource utilization; although the cost savings ranged from $723–$840 per patient, differences were not statistically significant.

Original languageEnglish
Pages (from-to)121-131
Number of pages11
JournalExpert Review of Pharmacoeconomics and Outcomes Research
Volume17
Issue number2
DOIs
Publication statusPublished - Mar 4 2017

Keywords

  • Cost analysis
  • eosinophilic phenotype
  • exacerbation
  • mepolizumab
  • severe asthma

ASJC Scopus subject areas

  • Health Policy
  • Pharmacology (medical)

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