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Related Experiment Videos

Nedocromil sodium for preventing exercise-induced bronchoconstriction.

C H Spooner1, L D Saunders, B H Rowe

  • 1Division of Emergency Medicine, University of Alberta, 1G1.52 Walter Mackenzie Health Centre, 8440 - 112 ST, Edmonton, Alberta, Canada, T6G 2B7. cspooner@ualberta.ca

The Cochrane Database of Systematic Reviews
|March 1, 2002
PubMed
Summary

Nedocromil sodium effectively reduces the severity and duration of exercise-induced bronchoconstriction (EIB) in adults and children. This medication is particularly beneficial for individuals with more severe EIB symptoms.

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Area of Science:

  • Pulmonology
  • Exercise Physiology
  • Pharmacology

Background:

  • Exercise-induced bronchoconstriction (EIB) is a common condition triggered by strenuous physical activity.
  • EIB can lead to symptoms like coughing and wheezing, potentially causing individuals to avoid exercise.
  • Current management strategies include pre-exercise medication such as beta-agonists and anti-inflammatory agents.

Purpose of the Study:

  • To evaluate the efficacy of a single dose of nedocromil sodium in preventing exercise-induced bronchoconstriction.
  • To assess the impact of nedocromil sodium on the severity and duration of EIB symptoms.

Main Methods:

  • Systematic review of 20 randomized controlled trials.
  • Inclusion criteria: patients aged over six with EIB, comparing single-dose nedocromil sodium to placebo.

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  • Data extraction and quality assessment performed independently by two reviewers.

    • Main Results:

    • Nedocromil sodium (4 mg) significantly reduced the severity and duration of EIB compared to placebo.
    • Improvements observed in forced expiratory volume in 1 second (FEV1) and peak expiratory flow rate (PEFR).
    • Recovery time to normal lung function decreased from over 30 minutes to under 10 minutes; effects were more pronounced in severe EIB cases.

    Conclusions:

    • Pre-exercise administration of nedocromil sodium is effective in mitigating EIB.
    • The drug demonstrates greater efficacy in individuals experiencing severe exercise-induced bronchoconstriction.
    • No significant adverse effects were reported with short-term use.