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Future Microbiol ; 13: 31-40, 2018 05 01.
Artigo em Inglês | MEDLINE | ID: mdl-29745239

RESUMO

AIM: Ozenoxacin is a nonfluorinated quinolone antibacterial approved for topical treatment of impetigo. Because quinolones have known chondrotoxic effects in juvenile animals, the potential toxicity of ozenoxacin was assessed in preclinical studies. MATERIALS & METHODS: Ozenoxacin or ofloxacin (300 mg/kg/day for 5 days, for each compound) was orally administered to juvenile rats, and oral ozenoxacin (10-100 mg/kg/day for 14 days) was administered to juvenile dogs. RESULTS: In juvenile rats, ozenoxacin showed no chondrotoxicity, whereas ofloxacin produced typical quinolone-induced lesions in articular cartilage in three of ten rats. Oral ozenoxacin administration to juvenile dogs showed no chondrotoxicity or toxicologically relevant findings in selected target organs. CONCLUSION: Ozenoxacin was generally well-tolerated in juvenile rats and dogs, with no evidence of quinolone-induced arthropathy.


Assuntos
Aminopiridinas/toxicidade , Antibacterianos/toxicidade , Cartilagem Articular/efeitos dos fármacos , Artropatias/induzido quimicamente , Quinolonas/toxicidade , Administração Oral , Aminopiridinas/farmacocinética , Animais , Antibacterianos/farmacocinética , Biomarcadores/sangue , Biomarcadores/urina , Cartilagem Articular/patologia , Cães , Feminino , Humanos , Masculino , Ofloxacino/farmacocinética , Ofloxacino/toxicidade , Quinolonas/farmacocinética , Ratos , Ratos Sprague-Dawley , Estatísticas não Paramétricas
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