Pharmacokinetics and tissue residues of moroxydine hydrochloride in gibel carp, Carassius gibelio after oral administration

Journal of Veterinary Pharmacology and Therapeutics
W LiuL Zeng

Abstract

The pharmacokinetics and tissue residues of moroxydine hydrochloride were studied in gibel carp at water temperature of 15 and 25 °C. Samples (blood, skin, muscle, liver, and kidney) were collected over 10 days after the treatment and analyzed by high-performance liquid chromatography with an ultraviolet detector. The results indicated that the influence of water temperature on the metabolism of the drug was significant. The plasma concentration-time data of moroxydine hydrochloride conformed to single-compartment open model at the two water temperatures. There were higher absorption rate (t1/2ka ) and longer elimination half-lives (t1/2ke ) at 15 °C (4.29 and 15.87 h, respectively) compared with those at 25 °C (3.02 and 4.22 h, respectively). The maximum plasma concentration (Cmax ) and the time-point of maximum plasma concentration (Tp ) were 2.98 μg/mL and 10.35 h at 15 °C and 3.12 μg/mL and 4.03 h at 25 °C, respectively. The distribution volume (Vd /F) of moroxydine hydrochloride was estimated to be 4.55 L/kg at 15 °C and 2.89 L/kg at 25 °C. The total body clearance (CLb ) of moroxydine hydrochloride was determined to be 0.25 and 0.49 L/(h·kg) at 15 °C and 25 °C, respectively; the areas under the concentration-time curve we...Continue Reading

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Citations

Sep 14, 2018·Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment·Jian LiNengsheng Ye
Aug 8, 2021·European Journal of Medicinal Chemistry·Oleksandr GrytsaiRachid Benhida

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