Pharmacokinetics of enrofloxacin and danofloxacin in premature calves

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dc.authorid0000-0003-3168-2510
dc.authorid0000-0002-9017-763X
dc.authorid0000-0002-8674-4873
dc.contributor.authorCorum, Orhan.
dc.contributor.authorAltan, Feray.
dc.contributor.authorYildiz, Ramazan.
dc.contributor.authorIder, Merve.
dc.contributor.authorOk, Mahmut.
dc.contributor.authorUney, Kamil.
dc.date.accessioned2020-03-26T20:19:07Z
dc.date.available2020-03-26T20:19:07Z
dc.date.issued2019
dc.departmentSelçuk Üniversitesi, Veteriner Fakültesi, Klinik Bilimler Bölümüen_US
dc.description.abstractThe aim of this study was to determine the pharmacokinetics/pharmacodynamics of enrofloxacin (ENR) and danofloxacin (DNX) following intravenous (IV) and intramuscular (IM) administrations in premature calves. The study was performed on twenty-four calves that were determined to be premature by anamnesis and general clinical examination. Premature calves were randomly divided into four groups (six premature calves/group) according to a parallel pharmacokinetic (PK) design as follows: ENR-IV (10 mg/kg, IV), ENR-IM (10 mg/kg, IM), DNX-IV (8 mg/kg, IV), and DNX-IM (8 mg/kg, IM). Plasma samples were collected for the determination of tested drugs by high-pressure liquid chromatography with UV detector and analyzed by noncompartmental methods. Mean PK parameters of ENR and DNX following IV administration were as follows: elimination half-life (t(1/2 lambda z)) 11.16 and 17.47 hr, area under the plasma concentration-time curve (AUC(0-48)) 139.75 and 38.90 hr*mu g/ml, and volume of distribution at steady-state 1.06 and 4.45 L/kg, respectively. Total body clearance of ENR and DNX was 0.07 and 0.18 L hr(-1) kg(-1), respectively. The PK parameters of ENR and DNX following IM injection were t(1/2 lambda z) 21.10 and 28.41 hr, AUC(0-48) 164.34 and 48.32 hr*mu g/ml, respectively. The bioavailability (F) of ENR and DNX was determined to be 118% and 124%, respectively. The mean AUC(0-48CPR)/AUC(0-48ENR) ratio was 0.20 and 0.16 after IV and IM administration, respectively, in premature calves. The results showed that ENR (10 mg/kg) and DNX (8 mg/kg) following IV and IM administration produced sufficient plasma concentration for AUC(0-24)/minimum inhibitory concentration (MIC) and maximum concentration (C-max)/MIC ratios for susceptible bacteria, with the MIC90 of 0.5 and 0.03 mu g/ml, respectively. These findings may be helpful in planning the dosage regimen for ENR and DNX, but there is a need for further study in naturally infected premature calves.en_US
dc.identifier.citationCorum, O., Altan, F., Yildiz, R., Ider, M., Ok, M., Uney, K. (2019). Pharmacokinetics of Enrofloxacin and Danofloxacin in Premature Calves. Journal of Veterinary Pharmacology and Therapeutics, 42(6), 624-631.
dc.identifier.doi10.1111/jvp.12787en_US
dc.identifier.endpage631en_US
dc.identifier.issn0140-7783en_US
dc.identifier.issn1365-2885en_US
dc.identifier.issue6en_US
dc.identifier.pmid31190327en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage624en_US
dc.identifier.urihttps://dx.doi.org/10.1111/jvp.12787
dc.identifier.urihttps://hdl.handle.net/20.500.12395/38082
dc.identifier.volume42en_US
dc.identifier.wosWOS:000501034000007en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.institutionauthorIder, Merve.
dc.institutionauthorOk, Mahmut.
dc.institutionauthorUney, Kamil.
dc.language.isoenen_US
dc.publisherWILEYen_US
dc.relation.ispartofJOURNAL OF VETERINARY PHARMACOLOGY AND THERAPEUTICSen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.selcuk20240510_oaigen_US
dc.subjectbioavailabilityen_US
dc.subjectdanofloxacinen_US
dc.subjectenrofloxacinen_US
dc.subjectpharmacokineticsen_US
dc.subjectpremature calvesen_US
dc.titlePharmacokinetics of enrofloxacin and danofloxacin in premature calvesen_US
dc.typeArticleen_US

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