ArticleAnimals : an open access journal from MDPI2026
Development of an LC-MS/MS-Based Analytical Method, In Vitro Characterization, and Pharmacokinetic Study of Rafoxanide Nanosuspension in Sheep.
Article in Animals : an open access journal from MDPI, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
8 authors.
Funding
Abstract
This study aimed to establish a more sensitive and reliable quantitative method for determining rafoxanide (RFX) in ovine plasma. The method was applied in an 84-day long-term comparative pharmacokinetic trial to evaluate the performance of a rafoxanide nanosuspension (RFX-NS) versus its conventional suspension (RFX-S) in sheep. Characterization of the two formulations revealed the following results: RFX-NS had an average particle size of 484.93 ± 43.11 nm, a uniform size distribution (PDI 0.06 ± 0.07), and a Zeta potential of -43.59 ± 0.67 mV, which were significantly superior to those of RFX-S (particle size 2379.67 ± 121.71 nm, PDI 0.93 ± 0.10, Zeta potential -38.10 ± 0.55 mV), demonstrating excellent physical stability. In vitro dissolution tests indicated a higher dissolution rate for RFX-NS (97.6% at 60 min). By integrating formulation characterization, in vitro dissolution assessment, and pharmacokinetic studies, this research provided a comprehensive analysis of the differences between the two formulations. Pharmacokinetic results showed that, compared to RFX-S, RFX-NS had a significantly reduced apparent volume of distribution (Vz/F: 856.02 ± 274.00 vs. 1404.17 ± 285.1 mL/kg,
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Registered trials
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