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Inhaled glucocorticoids and adrenal function: an update.

Suzanne Crowley1

  • 1Consultant Paediatrician, St George's Hospital, London SW17 0QT, UK. suzanne.crowley@stgeorges.nhs.uk

Paediatric Respiratory Reviews
|May 22, 2003
PubMed
Summary

Inhaled glucocorticoids are generally safe for childhood asthma, but high doses, especially fluticasone, may risk adrenal issues. Careful monitoring and appropriate asthma management are crucial for patient safety.

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Area of Science:

  • Pediatric Pulmonology
  • Endocrinology
  • Pharmacology

Background:

  • Inhaled glucocorticoids (IGCs) are standard for childhood asthma, offering safety and efficacy.
  • Concerns exist regarding potential adrenal function impairment with certain IGCs at specified doses.
  • Recent severe cases of adrenal failure linked to IGCs necessitate a review of safety guidelines.

Purpose of the Study:

  • To review the safety profile of IGCs in pediatric asthma.
  • To discuss the risk of adrenal insufficiency associated with IGC therapy.
  • To provide guidance on appropriate IGC use and asthma management.

Main Methods:

  • Review of recent case reports on adrenal failure in children using IGCs.
  • Analysis of pharmacological data and molecular mechanisms of glucocorticoid action.
  • Discussion of clinical significance of adrenal function impairment.

Main Results:

  • While generally safe, high-dose IGCs (e.g., budesonide, beclomethasone, fluticasone) can impair adrenal function in some children.
  • Life-threatening adrenal failure has been reported even at licensed doses, particularly with fluticasone.
  • Individual sensitivity to systemic IGC effects may occur due to unknown factors.

Conclusions:

  • High-dose IGCs, especially fluticasone, should be used cautiously in pediatric asthma.
  • Accurate asthma diagnosis, minimal effective IGC dosage, and growth monitoring are paramount.
  • Steroid-sparing agents and individualized management may mitigate IGC-related morbidity.

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