Trends and Disparities in Asthma Biologic Use in the United States

Jonathan W. Inselman, Molly M. Jeffery, Jacob T. Maddux, Nilay D Shah, Matthew A Rank

Research output: Contribution to journalArticle

3 Scopus citations

Abstract

Background: From 2003 to 2015, only 1 biologic was approved for the treatment of moderate to severe asthma in the United States. Since 2015, 4 new asthma biologics were approved by the US Food and Drug Administration. Objective: To describe trends and disparities of asthma biologic use in the United States from 2003 to 2018. Methods: We conducted a retrospective analysis using a cohort developed from the OptumLabs Data Warehouse. Prevalent and incident asthma biologic users were identified, and characteristics of users and nonusers were analyzed using regression analysis. Clinician prescribing behavior was described. Results: Use of biologic medications remains uncommon among individuals with asthma, with prevalence peaking in 2006 at 3 in 1000 individuals with asthma. Several factors are associated with a higher likelihood of asthma biologic use: middle age, higher income, commercial insurance, and access to a specialist. Most clinicians (65%) in the cohort prescribed only 1 biologic. Conclusions: We report low overall use of asthma biologics and evidence of disparities in access to asthma biologics.

Original languageEnglish (US)
JournalJournal of Allergy and Clinical Immunology: In Practice
DOIs
StateAccepted/In press - Jan 1 2019

Keywords

  • Adherence
  • Asthma
  • Asthma biologics
  • Disparities
  • Trends
  • Utilization

ASJC Scopus subject areas

  • Immunology and Allergy

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