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Diez R, Diez MJ, Garcia JJ, Rodriguez JM, Lopez C, Fernandez N, Sierra M, Sahagun AM. Pharmacokinetics of menbutone after intravenous and intramuscular administration to sheep. Front Vet Sci 2022; 9:980818. [PMID: 36003407 PMCID: PMC9393588 DOI: 10.3389/fvets.2022.980818] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Accepted: 07/21/2022] [Indexed: 11/13/2022] Open
Abstract
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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Wang S, Huang A, Gu Y, Li J, Huang L, Wang X, Tao Y, Liu Z, Wu C, Yuan Z, Hao H. Rational Use of Danofloxacin for Treatment of Mycoplasma gallisepticum in Chickens Based on the Clinical Breakpoint and Lung Microbiota Shift. Antibiotics (Basel) 2022; 11:antibiotics11030403. [PMID: 35326865 PMCID: PMC8944443 DOI: 10.3390/antibiotics11030403] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2022] [Revised: 03/11/2022] [Accepted: 03/13/2022] [Indexed: 02/01/2023] Open
Abstract
The study was to explore the rational use of danofloxacin against Mycoplasma gallisepticum (MG) based on its clinical breakpoint (CBP) and the effect on lung microbiota. The CBP was established according to epidemiological cutoff value (ECV/COWT), pharmacokinetic–pharmacodynamic (PK–PD) cutoff value (COPD) and clinical cutoff value (COCL). The ECV was determined by the micro-broth dilution method and analyzed by ECOFFinder software. The COPD was determined according to PK–PD modeling of danofloxacin in infected lung tissue with Monte Carlo analysis. The COCL was performed based on the relationship between the minimum inhibitory concentration (MIC) and the possibility of cure (POC) from clinical trials. The CBP in infected lung tissue was 1 μg/mL according to CLSI M37-A3 decision tree. The 16S ribosomal RNA (rRNA) sequencing results showed that the lung microbiota, especially the phyla Firmicutes and Proteobacteria had changed significantly along with the process of cure regimen (the 24 h dosing interval of 16.60 mg/kg b.w for three consecutive days). Our study suggested that the rational use of danofloxacin for the treatment of MG infections should consider the MIC and effect of antibiotics on the respiratory microbiota.
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Affiliation(s)
- Shuge Wang
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues, Wuhan 430070, China; (S.W.); (A.H.); (Y.G.); (L.H.); (X.W.); (Y.T.); (Z.L.); (Z.Y.)
- MOA Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Wuhan 430070, China
- National Center for Veterinary Drug Safety Evaluation, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China;
| | - Anxiong Huang
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues, Wuhan 430070, China; (S.W.); (A.H.); (Y.G.); (L.H.); (X.W.); (Y.T.); (Z.L.); (Z.Y.)
- MOA Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Wuhan 430070, China
| | - Yufeng Gu
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues, Wuhan 430070, China; (S.W.); (A.H.); (Y.G.); (L.H.); (X.W.); (Y.T.); (Z.L.); (Z.Y.)
- MOA Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Wuhan 430070, China
| | - Jun Li
- Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, China;
| | - Lingli Huang
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues, Wuhan 430070, China; (S.W.); (A.H.); (Y.G.); (L.H.); (X.W.); (Y.T.); (Z.L.); (Z.Y.)
- MOA Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Wuhan 430070, China
| | - Xu Wang
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues, Wuhan 430070, China; (S.W.); (A.H.); (Y.G.); (L.H.); (X.W.); (Y.T.); (Z.L.); (Z.Y.)
- MOA Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Wuhan 430070, China
| | - Yanfei Tao
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues, Wuhan 430070, China; (S.W.); (A.H.); (Y.G.); (L.H.); (X.W.); (Y.T.); (Z.L.); (Z.Y.)
- MOA Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Wuhan 430070, China
| | - Zhenli Liu
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues, Wuhan 430070, China; (S.W.); (A.H.); (Y.G.); (L.H.); (X.W.); (Y.T.); (Z.L.); (Z.Y.)
- MOA Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Wuhan 430070, China
| | - Congming Wu
- National Center for Veterinary Drug Safety Evaluation, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China;
| | - Zonghui Yuan
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues, Wuhan 430070, China; (S.W.); (A.H.); (Y.G.); (L.H.); (X.W.); (Y.T.); (Z.L.); (Z.Y.)
- MOA Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Wuhan 430070, China
| | - Haihong Hao
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues, Wuhan 430070, China; (S.W.); (A.H.); (Y.G.); (L.H.); (X.W.); (Y.T.); (Z.L.); (Z.Y.)
- MOA Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Wuhan 430070, China
- Correspondence: ; Tel.: +86-27-87287186; Fax: +86-27-87672232
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Jiao M, Zhang J, Wu K, Deng A, Li J. A novel electrochemiluminescence immunosensing strategy fabricated by Co(OH) 2 two-dimensional nanosheets and Ru@SiO 2-Au NPs for the highly sensitive detection of enrofloxacin. Analyst 2021; 146:5429-5436. [PMID: 34355709 DOI: 10.1039/d1an00969a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this work, a novel sensitive electrochemiluminescence immunosensor based on Ru@SiO2-Au NPs and Co(OH)2 two-dimensional nanosheets (2D Co(OH)2) is constructed for the detection of enrofloxacin (ENR). Ruthenium bipyridine silica spheres and modified gold nanoparticles were synthesized as immune probe materials, which were combined with ENR antibodies (Abs) to form the immune probe part. 2D Co(OH)2 with a large specific surface area and good catalytic effect was firstly used as an immune substrate material, and at the same time, it was conjugated with the coating antigen (Ae) of ENR to form an immune substrate. Based on the principle of competitive immunity, ENR and ENR coated antigen could jointly compete for the specific binding sites on the ENR antibody, so as to achieve efficient detection of ENR. Under optimal conditions, the prepared immunosensor exhibited high sensitivity with a wide linear range from 0.0001 to 1000 ng mL-1 and a low detection limit (LOD) of 0.063 pg mL-1. The proposed immunosensor has been successfully applied to the detection of ENR residues in poultry, aquatic products and lake water.
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Affiliation(s)
- Mengqi Jiao
- The Key Lab of Health Chemistry & Molecular Diagnosis of Suzhou, College of Chemistry, Chemical Engineering & Materials Science, Soochow University, Suzhou 215123, P.R. China.
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