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Open Access Development and analytical characterization of a new antiparasitic fenbendazole compound tablet and pharmacokinetic investigations after its oral administration to dogs

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The objective of this study was to prepare a new compound fenbendazole tablet containing 29.7 % fenbendazole, 1.50 % praziquantel and 0.059 % ivermectin for oral administration. The tablets were successfully prepared using mannitol as filler agent, polyvinyl polypyrrolidone as disintegrant, 5 % povidone (PVAK30) as a binder agent and magnesium stearate as lubricant. The appearance, hardness, fragility, time limit of disintegration and fenbendazole dissolution at 45 min all met the technical standards of the Ministry of Agriculture for the People's Republic of China. We used high performance liquid chromatography and electrospray-mass spectrometry for drug detection. Oral administration of 100 mg/kg fenbendazole, 5 mg/kg praziquantel and 0.2 mg/kg ivermectin using a non-compartmental model defined peak plasma concentrations (Cmax) of 495, 826, 73 ng/mL, and 218 ng/mL for the metabolite oxfendazole, respectively. The area under the curve (AUClast) values for these drugs were 4653, 1045, 1971 and 5525 h√óng/mL, respectively. This study enriches the pharmacokinetic data of compound fenbendazole tablets using dogs as a model system. The new tablet formulation was assimilated quickly and systemically and this study will be beneficial for the clinical application of parasite treatments in dogs.

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Document Type: Research Article

Publication date: February 1, 2018

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  • Pharmazie is a leading journal in the field of pharmaceutical sciences. As a peer-reviewed scientific journal, Pharmazie is regularly indexed in the relevant databases like Web of science, Journal Citation Reports and many others. The journal is open for submissions from the whole spectrum of pharnaceutical sciences including Pharmaceutical Chemistry, Experimental and Clinical Pharmacology, Drug Analysis, Pharmaceutics, Pharmaceutical Biology, Clinical Pharmacy etc.
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