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Sitovs A, Sartini I, Giorgi M. Levofloxacin in veterinary medicine: a literature review. Res Vet Sci 2021; 137:111-126. [PMID: 33964616 DOI: 10.1016/j.rvsc.2021.04.031] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2020] [Revised: 03/26/2021] [Accepted: 04/27/2021] [Indexed: 01/10/2023]
Abstract
A potent third-generation antimicrobial fluoroquinolone drug, levofloxacin was introduced into human clinical practice in 1993. Levofloxacin is also used in veterinary medicine, however its use is limited: it is completely banned for veterinary use in the EU, and used extralabel in only companion animals in the USA. Since its introduction to clinical practice, many studies have been published on levofloxacin in animal species, including pharmacokinetic studies, tissue drug depletion, efficacy, and animal microbial isolate susceptibility to levofloxacin. This literature overview highlights the most clinically relevant and scientifically important levofloxacin studies linked to the field of veterinary medicine.
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Affiliation(s)
- Andrejs Sitovs
- Department of Pharmacology, Rīga Stradiņš University, Riga, Latvia.
| | - Irene Sartini
- Department of Veterinary Medicine, University of Sassari, Sassari, Italy
| | - Mario Giorgi
- Department of Veterinary Sciences, University of Pisa, San Piero a Grado, Pisa, Italy
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Sitovs A, Voiko L, Kustovs D, Kovalcuka L, Bandere D, Purvina S, Giorgi M. Pharmacokinetic profiles of levofloxacin after intravenous, intramuscular and subcutaneous administration to rabbits ( Oryctolagus cuniculus). J Vet Sci 2020; 21:e32. [PMID: 32233138 PMCID: PMC7113567 DOI: 10.4142/jvs.2020.21.e32] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 01/20/2020] [Accepted: 01/22/2020] [Indexed: 01/05/2023] Open
Abstract
Levofloxacin pharmacokinetic profiles were evaluated in 6 healthy female rabbits after intravenous (I/V), intramuscular (I/M), or subcutaneous (S/C) administration routes at a single dose of 5 mg/kg in a 3 × 3 cross-over study. Plasma levofloxacin concentrations were detected using a validated Ultra Performance Liquid Chromatography method with a fluorescence detector. Levofloxacin was quantifiable up to 10 h post-drug administration. Mean AUC0-last values of 9.03 ± 2.66, 9.07 ± 1.80, and 9.28 ± 1.56 mg/h*L were obtained via I/V, I/M, and S/C, respectively. Plasma clearance was 0.6 mL/g*h after I/V administration. Peak plasma concentrations using the I/M and S/C routes were 3.33 ± 0.39 and 2.91 ± 0.56 μg/mL. Bioavailability values, after extravascular administration were complete, - 105% ± 27% (I/M) and 118% ± 40% (S/C). Average extraction ratio of levofloxacin after I/V administration was 7%. Additionally, levofloxacin administration effects on tear production and osmolarity were evaluated. Tear osmolarity decreased within 48 h post-drug administration. All 3 levofloxacin administration routes produced similar pharmacokinetic profiles. The studied dose is unlikely to be effective in rabbits; however, it was calculated that a daily dose of 29 mg/kg appears effective for I/V administration for pathogens with MIC < 0.5 μg/mL.
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Affiliation(s)
- Andrejs Sitovs
- Department of Pharmacology, Riga Stradins University, Riga, LV-1007, Latvia.
| | - Laura Voiko
- Clinical Institute, Faculty of Veterinary Medicine, University of Life Sciences and Technologies, Jelgava, LV-3001, Latvia
| | - Dmitrijs Kustovs
- Department of Pharmacology, Riga Stradins University, Riga, LV-1007, Latvia
| | - Liga Kovalcuka
- Clinical Institute, Faculty of Veterinary Medicine, University of Life Sciences and Technologies, Jelgava, LV-3001, Latvia
| | - Dace Bandere
- Department of Pharmaceutical Chemistry, Riga Stradins University, Riga, LV-1007, Latvia
| | - Santa Purvina
- Department of Pharmacology, Riga Stradins University, Riga, LV-1007, Latvia
| | - Mario Giorgi
- Department of Veterinary Sciences, University of Pisa, Pisa 56126, Italy
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Durna Corum D, Corum O, Yildiz R, Eser Faki H, Ider M, Cetin G, Uney K. Influences of tolfenamic acid and flunixin meglumine on the disposition kinetics of levofloxacin in sheep. Acta Vet Hung 2020; 68:65-70. [PMID: 32384070 DOI: 10.1556/004.2020.00015] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2019] [Accepted: 01/19/2020] [Indexed: 11/19/2022]
Abstract
The pharmacokinetics of levofloxacin (4 mg/kg), administered both alone and in combination with tolfenamic acid (2 mg/kg) and flunixin meglumine (2.2 mg/kg), was established after intravenous administration in sheep. Plasma levofloxacin concentrations were assayed by high-performance liquid chromatography and analysed according to the two-compartment open model. Following the administration of levofloxacin alone, the mean distribution half-life, elimination half-life, total clearance, volume of distribution at steady state and area under the plasma concentration-time curve were 0.20 h, 1.82 h, 0.39 L/h/kg, 0.96 L/kg and 10.40 h × µg/mL, respectively. Tolfenamic acid and flunixin meglumine caused a slow elimination and increased plasma concentrations of levofloxacin in combination administration. Levofloxacin, with an alteration in the dosage regimen, can be used effectively with tolfenamic acid and flunixin meglumine for the therapy of infections and inflammatory conditions in sheep.
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Affiliation(s)
- Duygu Durna Corum
- 1Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, University of Kastamonu, 3700, Kastamonu, Turkey
| | - Orhan Corum
- 1Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, University of Kastamonu, 3700, Kastamonu, Turkey
| | - Ramazan Yildiz
- 2Department of Internal Medicine, Faculty of Veterinary Medicine, University of Mehmet Akif Ersoy, Burdur, Turkey
| | - Hatice Eser Faki
- 3Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, University of Selcuk, Konya, Turkey
| | - Merve Ider
- 4Department of Internal Medicine, Faculty of Veterinary Medicine, University of Selcuk, Konya, Turkey
| | - Gul Cetin
- 5Department of Pharmacology, Faculty of Pharmacy, University of Erzincan Binali Yildirim, Erzincan, Turkey
| | - Kamil Uney
- 3Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, University of Selcuk, Konya, Turkey
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Sartini I, Łebkowska-Wieruszewska B, Kim TW, Lisowski A, Poapolathep A, Giorgi M. Pharmacokinetic and tissue analyses of levofloxacin in sheep (Ovis aries Linnaeus) after multiple-dose administration. Res Vet Sci 2019; 128:124-128. [PMID: 31778853 DOI: 10.1016/j.rvsc.2019.11.008] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 11/15/2019] [Accepted: 11/19/2019] [Indexed: 10/25/2022]
Abstract
The aim of this study was to assess the pharmacokinetic profile of LFX in sheep after intravenous (IV) and oral (PO) administration of 2 mg/kg LFX once a day for 5 days and to evaluate its tissue depletion in the muscles, heart, liver, lungs, and kidneys. Twenty healthy female sheep were randomly divided into two equal groups. Each group was further randomly subdivided into two equal subgroups (n = 5). Group 1 was used for blood collection and underwent a crossover design (2 × 2 Latin square). Group 2 was randomly subdivided into two equal subgroups (n = 5) for IV and PO route respectively, and used for tissue collection. A single sheep was sacrificed at each time point and the organs were harvested. Samples were analyzed using a validated HPLC method with fluorescence detection. LFX administered orally was rapidly absorbed with a peak plasma concentration of 2866 ± 239 ng/mL and an absolute oral bioavailability of 114 ± 27.7%. The pharmacokinetic estimates were comparable between PO and IV administration. According to the pharmacokinetic/pharmacodynamic surrogate index (area under the curve / minimum inhibitory concentration) of 100-125, LFX has the potential to be an effective treatment for infections caused by bacteria with a MIC of 0.049-0.061 μg/mL. LFX was detected for up to 48 h in all the tissues samples. The kidney had the highest LFX concentration after IV and PO administration. The AUCtissue/plasma ratio was lower than 1 in all tissues indicating absence of LFX tissue accumulation.
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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
| | - Tae Won Kim
- College of Veterinary Medicine, Chungnam National University, Daejeon, South Korea
| | - 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, Via Livornese (lato monte), San Piero a Grado, 56122 Pisa, Italy.
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Finn SMB, Scheuermann U, Holzknecht ZE, Gao Q, Ibrahim MM, Parker W, Granek JA, Lin SS, McKenney EA, Barbas AS. The effect of levofloxacin on the lung microbiota of laboratory rats. Exp Lung Res 2019; 45:200-208. [PMID: 31298956 DOI: 10.1080/01902148.2019.1639225] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Aim: The aim of this study was to investigate the short-term effect of levofloxacin on the microbiota of healthy lungs. Material and methods: Male F344 rats received either no levofloxacin (n = 9), intravenous levofloxacin (n = 12), oral levofloxacin (n = 12), or subcutaneous levofloxacin (n = 14). Rats received a clinically applicable dose (5.56 mg/kg) of levofloxacin via the assigned delivery route once daily for three days. On day four, lung tissue was collected and the lung microbiota composition was investigated using 16S ribosomal RNA gene sequencing. Results: Untreated lungs showed a microbiota dominated by bacteria of the genera Serratia. After treatment with levofloxacin, bacteria of the genus Pantoea dominated the lung microbiota. This was observed for all routes of antibiotic administration, with a significant difference compared to no-antibiotic control group (PERMANOVA: P < 0.001; homogeneity of dispersions: P = 0.656). Conclusion: Our study is the first to demonstrate the effects of levofloxacin therapy on lung microbiota in laboratory rats. Levofloxacin treatment by any route of administration leads to profound changes in the rat lung microbiota, resulting in the predominance of bacteria belonging to the genus Pantoea. Further studies regarding the role of long-term application of broad spectrum antibiotics on induction of lung, allergic and autoimmune diseases are indicated.
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Affiliation(s)
- Sade M B Finn
- a Department of Surgery, Duke University Medical Center , Durham , North Carolina , United States
| | - Uwe Scheuermann
- a Department of Surgery, Duke University Medical Center , Durham , North Carolina , United States
| | - Zoie E Holzknecht
- a Department of Surgery, Duke University Medical Center , Durham , North Carolina , United States
| | - Qimeng Gao
- a Department of Surgery, Duke University Medical Center , Durham , North Carolina , United States
| | - Mohamed M Ibrahim
- a Department of Surgery, Duke University Medical Center , Durham , North Carolina , United States
| | - William Parker
- a Department of Surgery, Duke University Medical Center , Durham , North Carolina , United States
| | - Joshua A Granek
- b Department of Bioinformatics and Biostatistics, Duke University School of Medicine , Durham , North Carolina , United States
| | - Shu S Lin
- a Department of Surgery, Duke University Medical Center , Durham , North Carolina , United States.,c Department of Pathology, Duke University Medical Center , Durham , North Carolina , United States.,d Department of Immunology, Duke University Medical Center , Durham , North Carolina , United States
| | - Erin A McKenney
- e Department of Applied Ecology, NC State University , Raleigh , North Carolina , United States
| | - Andrew S Barbas
- a Department of Surgery, Duke University Medical Center , Durham , North Carolina , United States
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D. Patel U, H. Patel J, D. Varia R, B. Patel H, K. Bhavsar S, M. Thaker A. Disposition Kinetic of Levofloxacin in Experimentally Induced Febrile Model of Sheep. ACTA ACUST UNITED AC 2011. [DOI: 10.3923/jpt.2012.11.19] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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