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Developments in anti-asthma glucocorticoids.

P T Andersson1, C G Persson

  • 1Pharmacological Laboratory, AB Draco, Lund, Sweden.

Agents and Actions. Supplements
|January 1, 1988
PubMed
Summary
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Inhaled glucocorticoids, like budesonide, are effective and safe asthma treatments that stabilize airway barriers. They reduce allergic reactions and plasma leakage, potentially becoming a primary asthma therapy.

Area of Science:

  • Pharmacology
  • Respiratory Medicine
  • Immunology

Background:

  • Topical glucocorticoids were first used for asthma in the 1950s.
  • Inhaled glucocorticoids, such as beclomethasone dipropionate and budesonide, demonstrate broad clinical efficacy and safety.
  • Increasing lung selectivity of glucocorticoids suggests potential as a primary asthma treatment.

Purpose of the Study:

  • To review the efficacy and mechanisms of inhaled glucocorticoids in asthma treatment.
  • To investigate the effects of budesonide on airway smooth muscle and allergic lung reactions.
  • To explore the anti-inflammatory actions of glucocorticoids in asthma and COPD.

Main Methods:

  • Review of studies on topical and inhaled glucocorticoids in asthma.
  • Analysis of budesonide's effects on guinea pig models and human asthma.

Related Experiment Videos

  • Examination of glucocorticoid impact on airway smooth muscle, allergic responses, and plasma leakage.

    • Main Results:

    • Inhaled glucocorticoids are broadly effective and safe for asthma.
    • Budesonide inhibits immediate and late-phase allergic lung reactions in guinea pigs and asthmatics.
    • Glucocorticoids reduce plasma leakage in atopic and non-atopic asthma, suggesting a stabilizing effect on airway endothelial-epithelial barriers.

    Conclusions:

    • Inhaled glucocorticoids are a safe and effective asthma treatment.
    • Glucocorticoids may exert their anti-inflammatory effects by stabilizing airway endothelial-epithelial barriers.
    • Further research is needed to understand the role of PAF release inhibition and airway eosinophilia reduction.