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Related Experiment Videos

Quinolone-cation interactions: a review.

B M Lomaestro1, G R Bailie

  • 1Pharmacy Department, Albany Medical Center, NY 12208.

DICP : the Annals of Pharmacotherapy
|November 1, 1991
PubMed
Summary

Newer quinolone antibiotics show promise but can be inactivated by cations, reducing effectiveness. This review covers quinolone-cation interactions and offers strategies to mitigate these issues for improved patient outcomes.

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Area of Science:

  • Pharmacology
  • Medicinal Chemistry
  • Drug Interactions

Background:

  • Quinolone antibiotics are experiencing a resurgence with newer, improved compounds like norfloxacin, ciprofloxacin, and ofloxacin.
  • These advanced quinolones address indications poorly treated by older agents or other oral antibiotics.

Purpose of the Study:

  • To review literature on quinolone-cation interactions.
  • To assess the in vivo and in vitro significance of these interactions.
  • To provide recommendations for avoiding potential problems with quinolone therapy.

Main Methods:

  • Literature review of quinolone-cation interactions.
  • Analysis of in vivo and in vitro study data.
  • Synthesis of findings to formulate practical recommendations.

Main Results:

  • Quinolone antibiotics can chelate and be inactivated by various cations.
  • These interactions may lead to reduced bioavailability and decreased effectiveness of quinolone drugs.
  • Potential clinical implications for systemic quinolone use are highlighted.

Conclusions:

  • Understanding quinolone-cation interactions is crucial for optimizing therapy.
  • Recommendations are provided to manage and avoid cation-induced inactivation.
  • Ensuring proper administration can enhance the efficacy of newer quinolone antibiotics.

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