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Updated: May 5, 2026

A Robust Pneumonia Model in Immunocompetent Rodents to Evaluate Antibacterial Efficacy against S. pneumoniae, H. influenzae, K. pneumoniae, P. aeruginosa or A. baumannii
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A Robust Pneumonia Model in Immunocompetent Rodents to Evaluate Antibacterial Efficacy against S. pneumoniae, H. influenzae, K. pneumoniae, P. aeruginosa or A. baumannii

Published on: January 2, 2017

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Imipenem: first of a new class of beta-lactam antibiotics

M Barza

    Annals of Internal Medicine
    |October 1, 1985
    PubMed

    Insights

    Imipenem, a novel carbapenem antibiotic, shows strong efficacy against resistant bacteria. Co-administration with cilastatin enhances its utility by preventing renal metabolism, making it valuable for complex infections.

    Area of Science:

    • Pharmacology
    • Infectious Diseases
    • Antibiotic Resistance

    Background:

    • Imipenem represents a new class of carbapenem antibiotics.
    • It exhibits potent activity against a broad spectrum of clinically significant bacteria.
    • This includes bacterial isolates resistant to other antibiotic classes.

    Purpose of the Study:

    • To evaluate the pharmacokinetic profile and clinical utility of imipenem.
    • To assess the role of cilastatin in preventing imipenem inactivation.
    • To identify potential adverse effects and superinfection risks.

    Main Methods:

    • Intravenous administration of imipenem.
    • Co-administration with cilastatin to inhibit renal metabolism.
    • Assessment of drug distribution in tissues and body fluids, including cerebrospinal fluid.
    • Monitoring for adverse effects and superinfections.

    Main Results:

    • Imipenem demonstrates broad-spectrum antibacterial activity, including against resistant strains.
    • Good tissue distribution observed, with modest cerebrospinal fluid levels.
    • Renal elimination is primary, necessitating co-administration with cilastatin.
    • Adverse effects include nausea, hypotension, and potential seizures in high-risk patients.

    Conclusions:

    • Imipenem, with cilastatin, is a potent antibiotic for treating complex bacterial infections.
    • Its broad spectrum and activity against resistant organisms offer a valuable therapeutic option.
    • Careful administration is advised to mitigate potential adverse effects like seizures.

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