Pharmacokinetic study on pradofloxacin in the dog – Comparison of serum analysis, ultrafiltration and tissue sampling after oral administration

Background: Pradofloxacin, a newly developed 8-cyano-fluoroquinolone, show enhanced activity against Grampositive organisms and anaerobes to treat canine and feline bacterial infections. The purpose of this cross-over study was to measure the unbound drug concentration of pradofloxacin in the inters...

Authors: Hauschild, Gregor
Rohn, Karl
Engelhardt, Eva
Sager, Martin
Hardes, Jendrik
Gosheger, Georg
Division/Institute:FB 05: Medizinische Fakultät
Document types:Article
Media types:Text
Publication date:2013
Date of publication on miami:12.03.2013
Modification date:16.04.2019
Edition statement:[Electronic ed.]
Source:BMC Veterinary Research 9 (2013) 32
DDC Subject:610: Medizin und Gesundheit
License:CC BY 2.0
Language:English
Notes:Finanziert durch den Open-Access-Publikationsfonds 2012/2013 der Deutschen Forschungsgemeinschaft (DFG) und der Westfälischen Wilhelms-Universität Münster (WWU Münster).
Format:PDF document
URN:urn:nbn:de:hbz:6-87359478709
Permalink:http://nbn-resolving.de/urn:nbn:de:hbz:6-87359478709
Other Identifiers:DOI: 10.1186/1746-6148-9-32
Digital documents:1746-6148-9-32.pdf
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520 3 |a Background: Pradofloxacin, a newly developed 8-cyano-fluoroquinolone, show enhanced activity against Grampositive organisms and anaerobes to treat canine and feline bacterial infections. The purpose of this cross-over study was to measure the unbound drug concentration of pradofloxacin in the interstitial fluid (ISF) using ultrafiltration and to compare the kinetics of pradofloxacin in serum, ISF and tissue using enrofloxacin as reference. Results: After oral administration of enrofloxacin (5 mg/kg) and pradofloxacin (3 mg/kg and 6 mg/kg, respectively), serum collection and ultrafiltration in regular intervals over a period of 24 h were performed, followed by tissue sampling at the end of the third dosing protocol (pradofloxacin 6 mg/kg). Peak concentrations of pradofloxacin (3 mg/kg) were 1.55±0.31 μg/ml in the ISF and 1.85±0.23 μg/ml in serum and for pradofloxacin (6 mg/kg) 2.71±0.81 μg/kg in the ISF and 2.77±0.64 μg/kg in serum; both without a statistical difference between ISF and serum. Comparison between all sampling approaches showed no consistent pattern of statistical differences. Conclusions: Despite some technical shortcomings the ultrafiltration approach appears to be the most sensitive sampling technique to estimate pharmacokinetic values of pradofloxacin at the infection site. Pharmacokinetics – Pradofloxacin – Ultrafiltration – Dog – Oral Administration. 
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700 1 |a Engelhardt, Eva  |u FB 05: Medizinische Fakultät  |4 aut 
700 1 |a Sager, Martin  |u FB 05: Medizinische Fakultät  |0 http://d-nb.info/gnd/11182186X  |0 http://viaf.org/viaf/306327651  |4 aut 
700 1 |a Hardes, Jendrik  |u FB 05: Medizinische Fakultät  |0 http://d-nb.info/gnd/124136923  |4 aut 
700 1 |a Gosheger, Georg  |u FB 05: Medizinische Fakultät  |0 http://d-nb.info/gnd/172953472  |4 aut 
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