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Drug effects on mucociliary function.

D Pavia, P P Sutton, M T Lopez-Vidriero

    European Journal of Respiratory Diseases. Supplement
    |January 1, 1983
    PubMed
    Summary
    This summary is machine-generated.

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    Certain drugs like bromhexine, hypertonic saline, and aminophylline can enhance lung mucociliary clearance. However, many other common medications showed no significant effect on this crucial respiratory function.

    Area of Science:

    • Pharmacology
    • Respiratory Medicine
    • Clinical Trials

    Background:

    • Lung mucociliary clearance is a vital defense mechanism for removing inhaled particles and pathogens.
    • Dysfunction of mucociliary clearance is implicated in various respiratory diseases.
    • Understanding the impact of pharmacological agents on mucociliary clearance is crucial for optimizing respiratory care.

    Purpose of the Study:

    • To systematically review and synthesize the findings of 18 clinical studies evaluating the effects of 14 different pharmacological agents on lung mucociliary clearance.
    • To identify agents that enhance, inhibit, or have no effect on mucociliary clearance.
    • To provide evidence-based insights for the clinical use of these agents in conditions affecting mucus transport.

    Main Methods:

    Related Experiment Videos

  • A comprehensive review of 18 clinical studies conducted over a decade.
  • Inclusion of studies involving 172 subjects/patients and 443 individual assessments.
  • Utilized the objective, in vivo radioaerosol technique for measuring lung mucociliary clearance.

    • Main Results:

    • Bromhexine, aerosolized hypertonic saline, and aminophylline demonstrated enhancement of lung secretion clearance.
    • Prednisolone and ipratropium (synthetic anticholinergic bronchodilator) showed indirect evidence of speeding up mucociliary clearance.
    • Hyoscine was found to reduce mucociliary clearance.
    • Single doses of propranolol, atenolol, terbutaline, bethanecol, 2-mercapto-ethane-sulphonate, and glycerol guaiacolate had no effect.
    • Long-term administration of terbutaline and clenbuterol also showed no impact on lung mucociliary function.

    Conclusions:

    • Specific pharmacological agents, including bromhexine, hypertonic saline, and aminophylline, can positively modulate lung mucociliary clearance.
    • Some agents, like ipratropium and prednisolone, may offer benefits, while others, such as hyoscine, could be detrimental.
    • A significant number of commonly used respiratory drugs, including beta-blockers and certain expectorants, do not appear to influence mucociliary clearance based on current evidence.