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Related Experiment Videos

Ambroxol and simple chronic bronchitis. Effects on subjective symptoms and ventilatory function.

C H Ericsson, J Juhasz, E Jönsson

    Respiration; International Review of Thoracic Diseases
    |January 1, 1987
    PubMed
    Summary

    Ambroxol, a common respiratory medication, effectively eased airway symptoms like phlegm in chronic bronchitis patients. The 120 mg dose showed significant improvement, though lung function did not change.

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    Area of Science:

    • Pharmacology
    • Respiratory Medicine
    • Clinical Trials

    Background:

    • Chronic bronchitis is characterized by excessive mucus secretion.
    • Effective treatments for hypersecretory chronic bronchitis are crucial for patient well-being.

    Purpose of the Study:

    • To evaluate the efficacy of ambroxol in managing symptoms of simple hypersecretory chronic bronchitis.
    • To compare two different dosage levels of ambroxol (60 mg and 120 mg daily) against a placebo.

    Main Methods:

    • A double-blind, randomized, placebo-controlled trial was conducted.
    • 92 subjects with chronic bronchitis received ambroxol (60 or 120 mg) or placebo for two weeks.
    • Outcomes assessed via pulmonary function tests, patient diaries, and symptom interviews.

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    Main Results:

    • The 120 mg ambroxol group reported significant improvements in respiratory symptoms, particularly phlegm loosening (p<0.05).
    • Patients in the 120 mg group showed a trend towards preferring the treatment period over placebo (p=0.056).
    • No significant changes were observed in lung function tests or patient diary card data.

    Conclusions:

    • Ambroxol, at a 120 mg daily dose, demonstrates efficacy in alleviating key respiratory symptoms in chronic bronchitis.
    • While subjective symptom improvement is noted, objective lung function measures require further investigation for ambroxol's effects.