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Lung function changes in asthmatic children treated with HFA-BDP

Nemr Eid1, Ronald Morton

  • 1Department of Pediatrics, University of Louisville School of Medicine, Louisville, Kentucky 40202, USA. nseid@louisville.edu

Pediatric Pulmonology
|April 6, 2011
PubMed

Insights

Switching to hydrofluoroalkane-134a beclomethasone dipropionate (HFA-BDP) significantly improved lung function in children with persistent asthma. This extrafine aerosol formulation enhanced airflow without worsening asthma symptoms, supporting its use for better asthma control.

Area of Science:

  • Pediatric Pulmonology
  • Respiratory Medicine
  • Pharmacology

Background:

  • Asthma guidelines emphasize achieving normal lung function for optimal asthma control.
  • Children with persistent asthma often exhibit reduced peripheral airway function.
  • Conventional inhaled corticosteroids (ICS) are standard treatment, but alternative formulations may offer benefits.

Purpose of the Study:

  • To evaluate the efficacy of an extrafine aerosol formulation of beclomethasone dipropionate (HFA-BDP) in improving lung function in children with persistent asthma.
  • To assess changes in peripheral airway function after switching from conventional ICS to HFA-BDP.
  • To determine if HFA-BDP improves airflow without compromising asthma control.

Main Methods:

  • A study involving 20 children (7 girls, 13 boys) with stable, moderate persistent asthma and reduced FEF(25-75).
  • Children were switched from conventional ICS to HFA-BDP, with other medications remaining unchanged.
  • Lung function (FEF(25-75), FEV(1)) and clinical status were reassessed at least 3 weeks post-intervention.

Main Results:

  • Significant improvement in mean FEF(25-75) from 50.75% to 68.85% predicted (P < 0.001).
  • Significant increase in FEV(1) from 84.6% to 93.8% predicted (P = 0.001).
  • No significant changes in asthma symptoms were observed during the study period.

Conclusions:

  • Hydrofluoroalkane-134a beclomethasone dipropionate (HFA-BDP) significantly enhances airflow in both large and peripheral airways in asthmatic children.
  • The switch to HFA-BDP improves lung function metrics without negatively impacting asthma control.
  • Extrafine aerosol ICS formulations like HFA-BDP represent a valuable therapeutic option for pediatric asthma management.
Abstract

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