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Long Term Chronic Pseudomonas aeruginosa Airway Infection in Mice
15:43

Long Term Chronic Pseudomonas aeruginosa Airway Infection in Mice

Published on: March 17, 2014

Pseudomonas infections of the lung treated with azlocillin. Microbiology, pharmacokinetics, clinic

G K Daikos, H Giamarellou, K Hadjipolydorou

    Arzneimittel-Forschung
    |January 1, 1979
    PubMed

    Insights

    Azlocillin, a penicillin antibiotic, demonstrates potent activity against Pseudomonas aeruginosa infections. This study confirms its efficacy and good penetration into bronchial secretions for respiratory tract infections.

    Area of Science:

    • Pharmacology
    • Microbiology
    • Clinical Medicine

    Background:

    • Pseudomonas species are a significant cause of respiratory tract infections.
    • Broad-spectrum antibiotics are crucial for treating these infections.
    • Azlocillin (6-[(R)-2-(2-Oxo-imidazolidine-1-carboxamido)-2-phenyl-acetamido]-penicillanic acid sodium salt) exhibits specific activity against Pseudomonas.

    Purpose of the Study:

    • To confirm the in vitro potency of azlocillin against clinical Pseudomonas isolates.
    • To evaluate the penetration of azlocillin into bronchial secretions.
    • To assess the clinical efficacy and tolerance of azlocillin in patients with serious Pseudomonas respiratory tract infections.

    Main Methods:

    • In vitro susceptibility testing of azlocillin against 200 clinical Pseudomonas isolates.
    • Measurement of azlocillin concentrations in bronchial secretions.
    • Clinical evaluation of 16 patients treated with azlocillin for severe Pseudomonas respiratory tract infections.

    Main Results:

    • Azlocillin demonstrated high in vitro potency against all tested Pseudomonas isolates.
    • Good penetration of azlocillin into bronchial secretions was observed, particularly in inflamed mucosa.
    • Azlocillin showed good clinical efficacy in treating serious Pseudomonas respiratory tract infections with no reported tolerance issues.

    Conclusions:

    • Azlocillin is a potent antibiotic effective against Pseudomonas species.
    • Its favorable pharmacokinetic profile, including bronchial secretion penetration, supports its use in respiratory infections.
    • Azlocillin is a safe and effective treatment option for serious Pseudomonas respiratory tract infections.

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