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The quinolones in chronic bronchitis.

B I Davies, F P Maesen, J P Teengs

    Pharmaceutisch Weekblad. Scientific Edition
    |February 21, 1986
    PubMed
    Summary
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    Four oral fluoroquinolones showed moderate efficacy for acute purulent exacerbations of chronic bronchitis, with 50-70% success rates. Failures were linked to specific bacterial relapses, and absorption issues and side effects were noted across all agents.

    Area of Science:

    • Pharmacology
    • Infectious Diseases
    • Respiratory Medicine

    Background:

    • Chronic bronchitis exacerbations often present with purulent symptoms.
    • Bacterial infections, including Streptococcus pneumoniae and Pseudomonas aeruginosa, are common causes.
    • Fluoroquinolones are a class of antibiotics used to treat bacterial infections.

    Purpose of the Study:

    • To evaluate the clinical efficacy and safety of four oral fluoroquinolones.
    • To compare the outcomes of ciprofloxacin, enoxacin, ofloxacin, and pefloxacin.
    • To identify common causes of treatment failure and adverse drug reactions.

    Main Methods:

    • A study involving 186 hospitalized patients with acute purulent exacerbations of chronic bronchitis.
    • Patients were treated with oral ciprofloxacin, enoxacin, ofloxacin, or pefloxacin.

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  • Clinical results, blood and sputum concentrations, and adverse drug effects were monitored.

    • Main Results:

    • Good clinical results were observed in 50-70% of patients across all treatment groups.
    • Treatment failures were primarily attributed to relapses or reinfections with Streptococcus pneumoniae or Pseudomonas aeruginosa.
    • Gastrointestinal absorption was not consistently satisfactory, and adverse effects like nausea and dizziness were reported for all agents.

    Conclusions:

    • Oral fluoroquinolones demonstrate moderate efficacy in treating acute purulent exacerbations of chronic bronchitis.
    • Treatment success is influenced by bacterial susceptibility, with relapses and reinfections posing challenges.
    • Further research into optimizing absorption and managing side effects is warranted.