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Journal articles

Safety study of Ciprofloxacin in newborn mice

Abstract : Ciprofloxacin, a broad-spectrum antimicrobial agent belonging to the fluoroquinolone family, is prescribed off-label in infants less than one year of age. Ciprofloxacin is included in the European Medicines Agency priority list of off-patent medicinal products requiring evaluation in neonates. This evaluation is undergoing within the TINN (Treat Infections in Neonates) FP7 EU project. As part of the TINN project, the present preclinical study was designed to assess the potential adverse effects of Ciprofloxacin on neurodevelopment, liver and joints in mice. Newborn mice received subcutaneous Ciprofloxacin at 10, 30 and 100 mg/kg/day from 2 to 12 postnatal days. Peak plasma levels of Ciprofloxacin were in the range of levels measured in human neonates. We examined vital functions in vivo, including cardiorespiratory parameters and temperature, psychomotor development, exploratory behavior, arthro-, nephro-and hepato-toxic effects. We found no effect of Ciprofloxacin at 10 and 30 mg/kg/day. In contrast, administration at 100 mg/kg/day delayed weight gain, impaired cardiorespiratory and psychomotor development, caused inflammatory infiltrates in the connective tissues surrounding the knee joint, and moderately increased extramedullary hematopoiesis. The present study pleads for careful watching of cardiorespiratory and motor development in neonates treated with Ciprofloxacin, in addition to the standard surveillance of arthrotoxicity.
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https://www.hal.inserm.fr/inserm-03701224
Contributor : Boris Matrot Connect in order to contact the contributor
Submitted on : Tuesday, June 21, 2022 - 6:15:58 PM
Last modification on : Friday, June 24, 2022 - 3:53:03 AM

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Thomas Bourgeois, Anne-Lise Delezoide, Wei Zhao, Fabien Guimiot, Homa Adle-Biassette, et al.. Safety study of Ciprofloxacin in newborn mice. Regulatory Toxicology and Pharmacology, Elsevier, 2015, 74, pp.161 - 169. ⟨10.1016/j.yrtph.2015.11.002⟩. ⟨inserm-03701224⟩

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