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Fadel C, Łebkowska-Wieruszewska B, Lisowski A, Laut S, Poapolathep A, Giorgi M. Disposition kinetics of robenacoxib following intravenous and oral administration in geese (Anser anser domesticus). J Vet Pharmacol Ther 2023; 46:413-420. [PMID: 37312265 DOI: 10.1111/jvp.13398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 05/24/2023] [Accepted: 06/01/2023] [Indexed: 06/15/2023]
Abstract
Robenacoxib (RX) is a veterinary cyclooxygenase-2 selective inhibitor drug. It has never been tested on birds and is only labelled for use in cats and dogs. The purpose of this study was to assess its pharmacokinetics in geese after single intravenous (IV) and oral (PO) administrations. Four-month healthy female geese (n = 8) were used. Geese were subjected to a two-phase, single-dose (2 mg/kg IV, 4 mg/kg PO), open, longitudinal study design with a four-month washout period between the IV and the PO phases. Blood was collected from the left wing vein to heparinized tubes at 0, 0.085 (for IV only), 0.25, 0.5, 0.75, 1, 1.5, 2, 4, 6, 8, 10, and 24 h. Plasma RX concentrations were measured using HPLC coupled to an UV detector, and the data were pharmacokinetically analysed using ThothPro™ 4.3 software in a non-compartmental approach. Following IV administration, terminal elimination half-life, volume of distribution, and total clearance were 0.35 h, 0.34 L/kg, and 0.68 L/h/kg, respectively. For the PO route, the mean peak plasma concentration was 6.78 μg/mL at 0.50 h. The t1/2λz was very short and significantly different between the IV and PO administrations (0.35 h IV vs. 0.99 h PO), suggesting the occurrence of a flip-flop phenomenon. The Cl values corrected for the F% were significantly different between IV and PO administrations. It might have been a consequence of the longitudinal study design and the altered physiological and environmental conditions after a 4-month washout period. The absolute oral F% computed with the AUC method surpassed 150%, but after normalizing it to t1/2λz, it was 46%. In conclusion, the administration of RX might not be suitable for geese, due to its short t1/2λz.
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Affiliation(s)
- Charbel Fadel
- Department of Veterinary Medicine, University of Sassari, Sassari, Italy
| | - Beata Łebkowska-Wieruszewska
- Department of Pharmacology, Toxicology and Environmental Protection, University of Life Sciences, Lublin, Poland
| | - Andrzej Lisowski
- Institute of Animal Breeding and Biodiversity Conservation, University of Life Sciences, Lublin, Poland
| | - Seavchou Laut
- Faculty of Veterinary Medicine, Department of Pharmacology, Kasetsart University, Bangkok, Thailand
| | - Amnart Poapolathep
- Faculty of Veterinary Medicine, Department of Pharmacology, Kasetsart University, Bangkok, Thailand
| | - Mario Giorgi
- Department of Veterinary Medicine, University of Sassari, Sassari, Italy
- Department of Veterinary Sciences, University of Pisa, Pisa, Italy
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Saddiqi ME, Kadir AA, Abdullah FFJ, Zakaria MZAB, Banke IS. Preparation, characterization and in vitro cytotoxicity evaluation of free and liposome-encapsulated tylosin. OpenNano 2022. [DOI: 10.1016/j.onano.2022.100108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Sartini I, Łebkowska-Wieruszewska B, Fadel C, Lisowski A, Poapolathep A, Giorgi M. Single and multiple oral amoxicillin treatment in geese: a pharmacokinetic evaluation. Br Poult Sci 2022; 63:493-498. [PMID: 35118922 DOI: 10.1080/00071668.2022.2036699] [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] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Although amoxicillin has broad-spectrum antibiotic activity and is extensive used in poultry, its use has never been investigated in geese. This study aimed to evaluate the pharmacokinetics of amoxicillin after a single and multiple oral doses in geese. A total of 20 geese were enrolled in this study and randomly pooled in two groups (n=10). In group I, animals were treated with a single oral 20 mg/kg dose of amoxicillin, while group II were administered multiple doses (20 mg/kg/day for 4 days). Concentrations of amoxicillin in plasma were analyzed using a validated HPLC-UV method and drug plasma concentrations were modeled for each subject using a non-compartmental approach. Amoxicillin showed rapid absorption after a single dose treatment, with an elimination half-life of approximately 1 h. Cmax, Tmax and AUC values differed statistically between groups I and II (after the first dose administered). A large variability was observed in the pharmacokinetic profiles and drug accumulation may occur after the multiple administration. No accumulation in plasma was predicted from an in-silico simulation performed using the same multiple dosage schedule. The in-silico simulation does not seem to accurately predict in-field conditions.
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Affiliation(s)
- Irene Sartini
- Department of Veterinary Medicine, University of Sassari, Sassari, Italy
| | - Beata Łebkowska-Wieruszewska
- Department of Pharmacology, Toxicology and Environmental Protection, University of Life Sciences, Lublin, Poland
| | - Charbel Fadel
- Department of Veterinary Medicine, University of Sassari, Sassari, Italy
| | - Andrzej Lisowski
- Institute of Animal Breeding and Biodiversity Conservation, University of Life Sciences, Lublin, Poland
| | - Amnart Poapolathep
- Department of Pharmacology, Faculty of Veterinary Medicine, Kasetsart University, Bangkok, Thailand
| | - Mario Giorgi
- Department of Veterinary Sciences, University of Pisa, Pisa, Italy.,Department of Veterinary Medicine, PhD School of Veterinary Sciences, Department of Veterinary Medicine, University of Sassari, Sassari, Italy
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Koutsoumanis K, Allende A, Alvarez‐Ordóñez A, Bolton D, Bover‐Cid S, Chemaly M, Davies R, De Cesare A, Herman L, Hilbert F, Lindqvist R, Nauta M, Ru G, Simmons M, Skandamis P, Suffredini E, Andersson DI, Bampidis V, Bengtsson‐Palme J, Bouchard D, Ferran A, Kouba M, López Puente S, López‐Alonso M, Nielsen SS, Pechová A, Petkova M, Girault S, Broglia A, Guerra B, Innocenti ML, Liébana E, López‐Gálvez G, Manini P, Stella P, Peixe L. Maximum levels of cross-contamination for 24 antimicrobial active substances in non-target feed.
Part 6: Macrolides: tilmicosin, tylosin and tylvalosin. EFSA J 2021; 19:e06858. [PMID: 34729086 PMCID: PMC8546505 DOI: 10.2903/j.efsa.2021.6858] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
The specific concentrations of tilmicosin, tylosin and tylvalosin in non-target feed for food-producing animals, below which there would not be an effect on the emergence of, and/or selection for, resistance in bacteria relevant for human and animal health, as well as the specific antimicrobial concentrations in feed which have an effect in terms of growth promotion/increased yield, were assessed by EFSA in collaboration with EMA. Details of the methodology used for this assessment, associated data gaps and uncertainties, are presented in a separate document. To address antimicrobial resistance, the Feed Antimicrobial Resistance Selection Concentration (FARSC) model developed specifically for the assessment was applied. However, due to the lack of data on the parameters required to calculate the FARSC, it was not possible to conclude the assessment until further experimental data become available. To address growth promotion, data from scientific publications obtained from an extensive literature review were used. Levels in feed that showed to have an effect on growth promotion/increased yield were reported for tilmicosin and tylosin, whilst for tylvalosin no suitable data for the assessment were available. It was recommended to carry out studies to generate the data that are required to fill the gaps which prevented the calculation of the FARSC for these three antimicrobials.
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Poźniak B, Tikhomirov M, Bobrek K, Jajor P, Świtała M. Tylosin Dosage Adjustment Based on Allometric Scaling in Male Turkeys. Antibiotics (Basel) 2021; 10:1057. [PMID: 34572639 PMCID: PMC8467158 DOI: 10.3390/antibiotics10091057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 08/20/2021] [Accepted: 08/30/2021] [Indexed: 11/18/2022] Open
Abstract
Turkeys' body weight (BW) increases 10-fold within only 2.5 months, leading to a change in the pharmacokinetics (PK) of drugs according to allometric principles. Thus, the same dosage may lead to age-dependent variability in efficacy, in particular, to treatment failure and/or selection for resistance. The study aimed to investigate whether a non-linear dosage based on a published allometric model for tylosin clearance, may optimize the internal exposure in growing turkeys. The single dose PK study was performed on turkeys aged 6, 9.5, 13 and 17 weeks (BW from 1.75 kg to 15.75 kg). Tylosin was administered intravenously (i.v.) or orally (p.o.) according to following protocols: Dose = 31.6 × BW0.58 or Dose = 158 × BW0.58, respectively. Plasma tylosin was measured using high-performance liquid chromatography and non-compartmental PK analysis was performed. The area under the curve (AUClast) after i.v. administration was 8.90 ± 1.01; 7.51 ± 1.11; 6.54 ± 1.20 and 8.01 ± 1.75 mg × h/L in 6-; 9.5-; 13- and 17-week-old turkeys, respectively. After p.o. administration AUClast was 4.80 ± 2.92; 4.60 ± 2.45; 3.00 ± 1.49 and 3.24 ± 2.00 mg × h/L in respective age groups indicating high variability. For i.v. administration, the non-linear dosage allowed to minimize the age-dependent variability in AUC. However, due to low oral bioavailability (8-12%) and resulting interindividual variability, the proposed approach may not improve tylosin efficacy in turkeys under farm conditions.
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Affiliation(s)
- Błażej Poźniak
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Wroclaw University of Environmental and Life Sciences, ul. Norwida 31, 50-375 Wrocław, Poland; (M.T.); (P.J.); (M.Ś.)
| | - Marta Tikhomirov
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Wroclaw University of Environmental and Life Sciences, ul. Norwida 31, 50-375 Wrocław, Poland; (M.T.); (P.J.); (M.Ś.)
| | - Kamila Bobrek
- Department of Epizootiology and Clinic of Birds and Exotic Animals, Faculty of Veterinary Medicine, Wroclaw University of Environmental and Life Sciences, pl. Grunwaldzki 45, 50-366 Wrocław, Poland;
| | - Paweł Jajor
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Wroclaw University of Environmental and Life Sciences, ul. Norwida 31, 50-375 Wrocław, Poland; (M.T.); (P.J.); (M.Ś.)
| | - Marcin Świtała
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Wroclaw University of Environmental and Life Sciences, ul. Norwida 31, 50-375 Wrocław, Poland; (M.T.); (P.J.); (M.Ś.)
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Poźniak B, Tikhomirov M, Motykiewicz-Pers K, Bobrek K, Świtała M. Allometric Optimization of Enrofloxacin Dosage in Growing Male Turkeys: Empirical Evidence for Improved Internal Exposure. Antibiotics (Basel) 2020; 9:antibiotics9120925. [PMID: 33353249 PMCID: PMC7766516 DOI: 10.3390/antibiotics9120925] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 12/17/2020] [Accepted: 12/18/2020] [Indexed: 11/16/2022] Open
Abstract
Rapid weight gain in turkeys causes a major change in the pharmacokinetics of drugs, leading to age-dependent variability in the internal exposure and, possibly, treatment failure and/or selection for antimicrobial resistance in young individuals. The aim of the study was to investigate whether a non-linear dosing protocol that accounts for the previously established allometric relation between enrofloxacin clearance and body weight (BW) may optimize the internal exposure to enrofloxacin in growing male turkeys. Enrofloxacin was administered four times, between the age of 5 and 16.5 weeks, when the turkeys’ BW increased from 1.47 to 14.92 kg. Enrofloxacin was given intravenously (i.v.) or orally at the dose calculated as follows: Dose = 30 × BW0.59. After i.v. administration, the internal exposure to the drug—quantified as the area under the concentration–time curve (AUC)—was showing little age-related variation. The coefficient of variation (CV) for AUC in all individuals (15.7%) was only slightly higher than within the age groups (5.4–13.7%). After oral drug administration, CV for AUC in all individuals (22.1%) was similar as within the age groups (8.7–32.2%). These results show that intra-species allometric scaling may be efficiently implemented in the non-linear approach to enrofloxacin dosage in turkeys in order to obtain a precise internal exposure for the optimal antimicrobial effect.
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Affiliation(s)
- Błażej Poźniak
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Wroclaw University of Environmental and Life Sciences, ul. Norwida 31, 50-375 Wrocław, Poland; (M.T.); (K.M.-P.); (M.Ś.)
- Correspondence: ; Tel.: +48-71-320-5403
| | - Marta Tikhomirov
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Wroclaw University of Environmental and Life Sciences, ul. Norwida 31, 50-375 Wrocław, Poland; (M.T.); (K.M.-P.); (M.Ś.)
| | - Karolina Motykiewicz-Pers
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Wroclaw University of Environmental and Life Sciences, ul. Norwida 31, 50-375 Wrocław, Poland; (M.T.); (K.M.-P.); (M.Ś.)
| | - Kamila Bobrek
- Department of Epizootiology and Clinic of Birds and Exotic Animals, Faculty of Veterinary Medicine, Wroclaw University of Environmental and Life Sciences, pl. Grunwaldzki 45, 50-366 Wrocław, Poland;
| | - Marcin Świtała
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Wroclaw University of Environmental and Life Sciences, ul. Norwida 31, 50-375 Wrocław, Poland; (M.T.); (K.M.-P.); (M.Ś.)
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