Tiotropium as an Add-on Treatment Option for Severe Uncontrolled Asthma in Preschool Patients

Stefan Zielen1, Gianna Reichert1, Helena Donath1

  • 1Department for Children and Adolescents, Division of Allergology, Pulmonology and Cystic Fibrosis, University Hospital Frankfurt, Frankfurt, Germany.

Insights

Adding tiotropium to inhaled corticosteroid/long-acting beta-agonist therapy significantly reduced systemic corticosteroid use and exacerbations in young children with severe asthma. This new treatment option shows promise for preschool asthma management.

Area of Science:

  • Pediatric Pulmonology
  • Asthma Therapeutics
  • Pharmacological Interventions

Background:

  • Preschool children with asthma experience disproportionately high rates of exacerbations, emergency visits, and hospitalizations despite inhaled corticosteroid (ICS) treatment.
  • A prior trial indicated tiotropium's tolerability and potential benefit in reducing asthma-related events in children aged 5 years and younger.
  • Severe asthma in toddlers remains a significant clinical challenge, necessitating novel therapeutic strategies.

Purpose of the Study:

  • To evaluate the effectiveness of adding tiotropium to ICS/LABA treatment in preschool children with uncontrolled severe asthma.
  • To assess the impact of this add-on therapy on systemic corticosteroid prescriptions, physician visits, hospitalizations, and antibiotic use.
  • To compare outcomes in treated children with age-, sex-, and season-matched healthy controls.

Main Methods:

  • Retrospective analysis of electronic outpatient records from 2017-2019 for children under 6 years old.
  • Patients received ICS plus long-acting β2-agonists (LABAs) with tiotropium as add-on therapy for severe, uncontrolled asthma.
  • Primary endpoint: comparison of systemic corticosteroid (SCS) prescriptions 6 months before and after initiating ICS/LABA/tiotropium. Secondary endpoints included healthcare utilization and antibiotic prescriptions.

Main Results:

  • A significant reduction in SCS courses was observed, from a mean of 2.42 before to 0.74 after adding tiotropium (P<0.001).
  • Physician visits decreased from 9.23 to 5.76 per patient (P<0.01), and hospitalizations dropped from 19 to 1 (P<0.01).
  • Antibiotic prescriptions also decreased significantly, and hospitalization rates did not differ from healthy controls post-treatment.

Conclusions:

  • Adding tiotropium to ICS/LABA represents a novel and effective treatment option for severe preschool asthma.
  • The findings suggest a significant reduction in exacerbations and healthcare resource utilization.
  • Larger confirmatory studies are warranted to further validate these promising results in pediatric asthma management.
Abstract

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