Pharmacokinetics of menbutone after intravenous and intramuscular administration to sheep

Menbutone is a drug currently approved in several European Union (EU) countries to treat digestive disorders in different animal species. The objective of this study was to establish the pharmacokinetic parameters resulting from intravenous (IV) and intramuscular (IM) administration of this drug in...

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Main Authors: Raquel Diez, M. Jose Diez, Juan J. Garcia, Jose M. Rodriguez, Cristina Lopez, Nelida Fernandez, Matilde Sierra, Ana M. Sahagun
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-08-01
Series:Frontiers in Veterinary Science
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fvets.2022.980818/full
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author Raquel Diez
M. Jose Diez
Juan J. Garcia
Jose M. Rodriguez
Cristina Lopez
Nelida Fernandez
Matilde Sierra
Ana M. Sahagun
author_facet Raquel Diez
M. Jose Diez
Juan J. Garcia
Jose M. Rodriguez
Cristina Lopez
Nelida Fernandez
Matilde Sierra
Ana M. Sahagun
author_sort Raquel Diez
collection DOAJ
description Menbutone is a drug currently approved in several European Union (EU) countries to treat digestive disorders in different animal species. The objective of this study was to establish the pharmacokinetic parameters resulting from intravenous (IV) and intramuscular (IM) administration of this drug in sheep. Menbutone was administered to 12 animals at the dose of 10 mg/kg for both IV and IM routes. Plasma samples were collected up to 24 h (15 points, IV route; 14 points, IM route). Concentrations were determined using high-performance liquid chromatography with photodiode-array (PDA) detection, following a method validated according to the EMEA/CHMP/EWP/192217/2009 guideline. Pharmacokinetic data were analyzed by non-compartmental methods. After IV administration, a total clearance (Cl) of 63.6 ± 13.6 mL/h/kg, a volume of distribution at steady-state (Vss) of 259.6 ± 52.7 mL/kg, and an elimination half-life (t½λ) of 6.08 ± 2.48 h were calculated. After IM administration, menbutone peak plasma concentration (Cmax) was 18.8 ± 1.9 μg/mL, the time to reach Cmax (tmax) 3.75 ± 0.45 h, the mean absorption time (MAT) 3.31 ± 1.36 h, and the fraction of dose absorbed (F) 103.1 ± 23.0 %. The results obtained indicate that menbutone absorption after IM administration is quick and complete.
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spelling doaj.art-96bdc20054ad44bb8641f2682374d1942022-12-22T01:40:16ZengFrontiers Media S.A.Frontiers in Veterinary Science2297-17692022-08-01910.3389/fvets.2022.980818980818Pharmacokinetics of menbutone after intravenous and intramuscular administration to sheepRaquel DiezM. Jose DiezJuan J. GarciaJose M. RodriguezCristina LopezNelida FernandezMatilde SierraAna M. SahagunMenbutone is a drug currently approved in several European Union (EU) countries to treat digestive disorders in different animal species. The objective of this study was to establish the pharmacokinetic parameters resulting from intravenous (IV) and intramuscular (IM) administration of this drug in sheep. Menbutone was administered to 12 animals at the dose of 10 mg/kg for both IV and IM routes. Plasma samples were collected up to 24 h (15 points, IV route; 14 points, IM route). Concentrations were determined using high-performance liquid chromatography with photodiode-array (PDA) detection, following a method validated according to the EMEA/CHMP/EWP/192217/2009 guideline. Pharmacokinetic data were analyzed by non-compartmental methods. After IV administration, a total clearance (Cl) of 63.6 ± 13.6 mL/h/kg, a volume of distribution at steady-state (Vss) of 259.6 ± 52.7 mL/kg, and an elimination half-life (t½λ) of 6.08 ± 2.48 h were calculated. After IM administration, menbutone peak plasma concentration (Cmax) was 18.8 ± 1.9 μg/mL, the time to reach Cmax (tmax) 3.75 ± 0.45 h, the mean absorption time (MAT) 3.31 ± 1.36 h, and the fraction of dose absorbed (F) 103.1 ± 23.0 %. The results obtained indicate that menbutone absorption after IM administration is quick and complete.https://www.frontiersin.org/articles/10.3389/fvets.2022.980818/fullcholereticintramuscularintravenousmenbutonepharmacokineticssheep
spellingShingle Raquel Diez
M. Jose Diez
Juan J. Garcia
Jose M. Rodriguez
Cristina Lopez
Nelida Fernandez
Matilde Sierra
Ana M. Sahagun
Pharmacokinetics of menbutone after intravenous and intramuscular administration to sheep
Frontiers in Veterinary Science
choleretic
intramuscular
intravenous
menbutone
pharmacokinetics
sheep
title Pharmacokinetics of menbutone after intravenous and intramuscular administration to sheep
title_full Pharmacokinetics of menbutone after intravenous and intramuscular administration to sheep
title_fullStr Pharmacokinetics of menbutone after intravenous and intramuscular administration to sheep
title_full_unstemmed Pharmacokinetics of menbutone after intravenous and intramuscular administration to sheep
title_short Pharmacokinetics of menbutone after intravenous and intramuscular administration to sheep
title_sort pharmacokinetics of menbutone after intravenous and intramuscular administration to sheep
topic choleretic
intramuscular
intravenous
menbutone
pharmacokinetics
sheep
url https://www.frontiersin.org/articles/10.3389/fvets.2022.980818/full
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