Third and Fourth Generation Fluoroquinolone Antibacterials: A Systematic Review of Safety and Toxicity Profiles

ISSN: 2212-3911 (Online)
ISSN: 1574-8863 (Print)


Volume 9, 3 Issues, 2014


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Current Drug Safety

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Editor-in-Chief:
Dr. Seetal Dodd
University of Melbourne
Geelong, 3220
Australia


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Third and Fourth Generation Fluoroquinolone Antibacterials: A Systematic Review of Safety and Toxicity Profiles

Author(s): Joana Sousa, Gilberto Alves, Ana Fortuna and Amilcar Falcao

Affiliation: Faculty of Health Sciences, University of Beira Interior, CICS-UBI – Health Sciences Research Centre, University of Beira Interior, Av. Infante D. Henrique, 6200-506 Covilha, Portugal.

Abstract

In the last decade, several third and fourth generation fluoroquinolones (FQs) have been approved for clinical use. These new agents exhibit a more potent and broader-spectrum antibacterial activity and improved pharmacokinetic properties in comparison to the earlier FQs. Although new FQs are generally safe and well tolerated, moderate-to-severe toxicity events have been reported for some of them, leading to their restriction, suspension or even withdrawal from the market. The most common FQ-related adverse effects (AEs) are usually mild and involve the gastrointestinal tract (e.g. nausea and diarrhea) and the central nervous system (e.g. headache and dizziness). Uncommon, but severe AEs (e.g. arthropathy, QTc interval prolongation, dysglycaemia and phototoxicity) and idiosyncratic reactions (e.g. hepatitis and hemolytic anemia) have also been reported and will be discussed throughout this paper. The evidence currently available suggests that AEs can be inherent to the FQ class or can be associated with a particular chemical moiety of the molecular structure of each FQ, thus varying in frequency, severity and nature. The main goal of this review is to provide a systematic evaluation of safety and tolerability data of the newer FQs with emphasis on those currently marketed.

Keywords: Adverse effects, fluoroquinolones, structure-activity relationship, toxicity.

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Article Details

Volume: 9
Issue Number: 2
First Page: 89
Last Page: 105
Page Count: 17
DOI: 10.2174/1574886308666140106154754
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