Arg16 ADRB2 genotype increases the risk of asthma exacerbation in children with a reported use of long-acting β2-agonists: results of the PACMAN cohort

M.J.L. Zuurhout, S.J.H. Vijverberg, J.A.M. Raaijmakers, L. Koenderman, D.S. Postma, G.H. Koppelman, A.H. Maitland-van der Zee

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

BACKGROUND: Current evidence suggests that asthma patients with the ADRB2 Arg16 genotype have a poorer response to long-acting β2-agonists (LABA), but the results remain inconsistent.

AIM: This study assessed the association between Arg16 variants and treatment outcome in children treated with inhaled corticosteroids (ICS) and LABA.

MATERIALS & METHODS: ADRB2 Arg16 was genotyped in 597 children (4-12 years of age) participating in the PACMAN cohort study. A questionnaire was used to assess asthma control, frequency of asthma-related emergency department visits and use of oral corticosteroids in the past year.

RESULTS: Arg/Arg carriers with a reported use of ICS and LABA had an increased risk of oral corticosteroid use (odds ratio: 14.9; 95% CI: 1.59-140.1) and emergency department visits in the past year (odds ratio: 11.9; 95% CI: 1.22-115.8) compared to Gly/Gly carriers. This effect was not observed in Arg/Arg genotype carriers reporting ICS use only.

CONCLUSION: Children who are homozygous for ADRB2 Arg16 have an increased risk of exacerbations when treated with combined LABA and ICS.

Original languageEnglish
Pages (from-to)1965-71
Number of pages7
JournalPharmacogenomics
Volume14
Issue number16
DOIs
Publication statusPublished - Dec 2013

Keywords

  • Administration, Inhalation
  • Adrenal Cortex Hormones
  • Adrenergic beta-2 Receptor Agonists
  • Anti-Asthmatic Agents
  • Asthma
  • Child
  • Child, Preschool
  • Female
  • Genotype
  • Homozygote
  • Humans
  • Male
  • Receptors, Adrenergic, beta-2
  • Risk Factors
  • Treatment Outcome

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