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Grecu M, Minea B, Foia LG, Bostanaru-Iliescu AC, Miron L, Nastasa V, Mares M. Short Review on the Biological Activity of Cyclodextrin-Drug Inclusion Complexes Applicable in Veterinary Therapy. Molecules 2023; 28:5565. [PMID: 37513437 PMCID: PMC10383344 DOI: 10.3390/molecules28145565] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 07/15/2023] [Accepted: 07/18/2023] [Indexed: 07/30/2023] Open
Abstract
Cyclodextrins (CDs) are a family of carrier molecules used to improve the pharmacokinetic parameters of therapeutic molecules. These cyclic oligosaccharides have medical and pharmaceutical applications by being able to form inclusion complexes with molecules that are poorly soluble in water. The benefits of these complexes are directed towards improving the chemical and biological properties-i.e., solubility, bioavailability, stability, non-toxicity and shelf life of drug molecules. Since the 1960s, the first inclusion complexes used in therapeutics were those with α-, β- and γ-CD, which proved their usefulness, but had certain degrees of particularly renal toxicity. Currently, to correct these deficiencies, β-CD derivatives are most frequently used, such as sulfobutylether-β-CD, hydroxypropyl-β-CD, etc. Therefore, it is of interest to bring to the attention of those interested the diversity of current and potential future clinical applications of inclusion complexes in veterinary medicine and to present the contribution of these inclusion complexes in improving drug efficacy. The most important biological activities of β-CD complexed molecules in the veterinary field are summarized in this short review.
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Affiliation(s)
- Mariana Grecu
- Laboratory of Antimicrobial Chemotherapy, Faculty of Veterinary Medicine, "Ion Ionescu de la Brad" University of Life Sciences of Iasi (IULS), 8 Mihail Sadoveanu Alley, 700489 Iasi, Romania
| | - Bogdan Minea
- Department of Surgery, Faculty of Dental Medicine, "Grigore T. Popa" University of Medicine and Pharmacy of Iasi, 16 Universitatii Street, 700115 Iași, Romania
| | - Liliana-Georgeta Foia
- Department of Surgery, Faculty of Dental Medicine, "Grigore T. Popa" University of Medicine and Pharmacy of Iasi, 16 Universitatii Street, 700115 Iași, Romania
| | - Andra-Cristina Bostanaru-Iliescu
- Laboratory of Antimicrobial Chemotherapy, Faculty of Veterinary Medicine, "Ion Ionescu de la Brad" University of Life Sciences of Iasi (IULS), 8 Mihail Sadoveanu Alley, 700489 Iasi, Romania
| | - Liviu Miron
- Laboratory of Antimicrobial Chemotherapy, Faculty of Veterinary Medicine, "Ion Ionescu de la Brad" University of Life Sciences of Iasi (IULS), 8 Mihail Sadoveanu Alley, 700489 Iasi, Romania
| | - Valentin Nastasa
- Laboratory of Antimicrobial Chemotherapy, Faculty of Veterinary Medicine, "Ion Ionescu de la Brad" University of Life Sciences of Iasi (IULS), 8 Mihail Sadoveanu Alley, 700489 Iasi, Romania
| | - Mihai Mares
- Laboratory of Antimicrobial Chemotherapy, Faculty of Veterinary Medicine, "Ion Ionescu de la Brad" University of Life Sciences of Iasi (IULS), 8 Mihail Sadoveanu Alley, 700489 Iasi, Romania
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Yingchanakiat K, Limsivilai O, Sunpongsri S, Niyomtham W, Lugsomya K, Yurayart C. Phenotypic and Genotypic Characterization and Antifungal Susceptibility of Sporothrix schenckii sensu stricto Isolated from a Feline Sporotrichosis Outbreak in Bangkok, Thailand. J Fungi (Basel) 2023; 9:jof9050590. [PMID: 37233301 DOI: 10.3390/jof9050590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2023] [Revised: 05/15/2023] [Accepted: 05/16/2023] [Indexed: 05/27/2023] Open
Abstract
Sporotrichosis, an invasive fungal infection caused by Sporothrix schenckii, has emerged in Southeast Asia, affecting cats and posing a potential zoonotic risk to humans. We evaluated 38 feline sporotrichosis cases in and around Bangkok, Thailand, from 2017 to 2021. The isolates were phenotypically and genotypically characterized. The cats infected with sporotrichosis were mainly young adults, males, and domestic short hairs with uncontrolled outdoor access, and they lived in Bangkok. All isolates showed low thermotolerance and converted to the yeast phase at 35 °C. Based on the internal transcribed spacer region of rDNA sequences, our strains belonged to S. schenckii sensu stricto and clustered with clinical clade D. Based on the concatenated tree of calmodulin and beta-tubulin genes, five groups of S. schenckii were generated, and the monophyletic clade, Group II, of Thai strains was recognized. In vitro antifungal susceptibility testing demonstrated that the MIC50 of our isolates to amphotericin B, itraconazole, and posaconazole were within the limit of the species-specific epidemiological cutoff values, suggesting that the organisms were the wild type. Addressing the outbreak of feline sporotrichosis in Thailand by providing guidelines for diagnosis and effective treatment may help control the spread of disease and reduce the risk of cat-transmitted sporotrichosis to humans.
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Affiliation(s)
- Kanokporn Yingchanakiat
- Department of Microbiology and Immunology, Faculty of Veterinary Medicine, Kasetsart University, 50 Ngamwongwan Road, Bangkok 10900, Thailand
| | - Orawan Limsivilai
- Department of Microbiology and Immunology, Faculty of Veterinary Medicine, Kasetsart University, 50 Ngamwongwan Road, Bangkok 10900, Thailand
| | - Supita Sunpongsri
- Veterinary Teaching Hospital, Faculty of Veterinary Medicine, Kasetsart University, 50 Ngamwongwan Road, Bangkok 10900, Thailand
| | - Waree Niyomtham
- Department of Veterinary Microbiology, Faculty of Veterinary Science, Chulalongkorn University, Henri-Dunant Road, Pathumwan, Bangkok 10330, Thailand
| | - Kittitat Lugsomya
- Antimicrobial Resistance and Infectious Diseases Laboratory, Harry Butler Institute, Murdoch University, 90, South Street, Murdoch, Perth 6150, Australia
| | - Chompoonek Yurayart
- Department of Microbiology and Immunology, Faculty of Veterinary Medicine, Kasetsart University, 50 Ngamwongwan Road, Bangkok 10900, Thailand
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Cheng Z, Liang J, Hu Y, Lv Q, Li X, Shen X. Comprehensive evaluation of solvent in dispersive liquid-liquid microextraction for determination of itraconazole and hydroxy itraconazole by high performance liquid chromatography with fluorescence detection. ARAB J CHEM 2023. [DOI: 10.1016/j.arabjc.2023.104565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
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Abstract
Sporothrix schenckii sensu lato is currently recognized as a species complex with only Sporothrix brasiliensis, Sporothrix schenckii sensu stricto, Sporothrix globosa and Sporothrix pallida identified to cause disease in the cat. Feline sporotrichosis in Asia is mainly reported from Malaysia where a single clonal strain of clinical clade D, Sporothrix schenckii sensu stricto manifesting low susceptibility to major antifungal classes, has been identified as the agent of the disease. Sporothrix globosa has been identified to cause disease from a single cat in Japan while the specific species of agent has not been identified yet for the disease in Thailand. Despite efforts to elucidate and describe the pathogenicity of the agent and the disease it causes, the paucity of data highlights the need for further molecular epidemiological studies to characterize this fungus and the disease it causes in Asia. Its prognosis remains guarded to poor due to issues pertaining to cost, protracted treatment course, zoonotic potential and low susceptibility of some strains to antifungals.
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Affiliation(s)
- Hock Siew Han
- Vetderm Animal Skin and Ear Specialist Clinic, 9-1 JLN 23/70A, Plaza Crystalville 1, Desa Sri Hartamas, 50480, Kuala Lumpur, Malaysia.
| | - Rui Kano
- Department of Veterinary Dermatology, Nihon University College of Bioresource Sciences, 1866 Kameino, Fujisawa, Kanagawa, 252-0880, Japan
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Lautz LS, Jeddi MZ, Girolami F, Nebbia C, Dorne JLCM. Metabolism and pharmacokinetics of pharmaceuticals in cats (Felix sylvestris catus) and implications for the risk assessment of feed additives and contaminants. Toxicol Lett 2020; 338:114-127. [PMID: 33253781 DOI: 10.1016/j.toxlet.2020.11.014] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Revised: 11/16/2020] [Accepted: 11/19/2020] [Indexed: 01/25/2023]
Abstract
In animal health risk assessment, hazard characterisation of feed additives has been often using the default uncertainty factor (UF) of 100 to translate a no-observed-adverse-effect level in test species (rat, mouse, dog, rabbit) to a 'safe' level of chronic exposure in farm and companion animal species. Historically, both 10-fold factors have been further divided to include chemical-specific data in both dimensions when available. For cats (Felis Sylvestris catus), an extra default UF of 5 is applied due to the species' deficiency in particularly glucuronidation and glycine conjugation. This paper aims to assess the scientific basis and validity of the UF for inter-species differences in kinetics (4.0) and the extra UF applied for cats through a comparison of kinetic parameters between rats and cats for 30 substrates of phase I and phase II metabolism. When the parent compound undergoes glucuronidation the default factor of 4.0 is exceeded, with exceptions for zidovudine and S-carprofen. Compounds that were mainly renally excreted did not exceed the 4.0-fold default. Mixed results were obtained for chemicals which are metabolised by CYP3A in rats. When chemicals were administered intravenously the 4.0-fold default was not exceeded with the exception of clomipramine, lidocaine and alfentanil. The differences seen after oral administration might be due to differences in first-pass metabolism and bioavailability. Further work is needed to further characterise phase I, phase II enzymes and transporters in cats to support the development of databases and in silico models to support hazard characterisation of chemicals particularly for feed additives.
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Affiliation(s)
- L S Lautz
- Radboud University Nijmegen, Houtlaan 4, 6525 XZ Nijmegen, the Netherlands
| | - M Z Jeddi
- European Food Safety Authority, Scientific Committee and Emerging Risks Unit, Via Carlo Magno, 1A, 43126 Parma, Italy
| | - F Girolami
- University of Torino, Department of Veterinary Sciences, Largo P. Braccini 2, 10095 Grugliasco, Italy
| | - C Nebbia
- University of Torino, Department of Veterinary Sciences, Largo P. Braccini 2, 10095 Grugliasco, Italy
| | - J L C M Dorne
- European Food Safety Authority, Scientific Committee and Emerging Risks Unit, Via Carlo Magno, 1A, 43126 Parma, Italy.
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Mawby DI, Whittemore JC, Fowler LE, Papich MG. Comparison of absorption characteristics of oral reference and compounded itraconazole formulations in healthy cats. J Am Vet Med Assoc 2018; 252:195-200. [DOI: 10.2460/javma.252.2.195] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Brooks IJ, Walton SA, Shmalberg J, Harris A. Novel treatment using topical malachite green for nasal phaeohyphomycosis caused by a new Cladophialophora species in a cat. JFMS Open Rep 2018; 4:2055116918771767. [PMID: 29854413 PMCID: PMC5971388 DOI: 10.1177/2055116918771767] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
CASE SUMMARY A 1.5-year-old castrated male domestic shorthair cat presented with a 2 month history of progressive nasal swelling and hyporexia. Minimal improvement prior to referral was achieved with a course of antibiotics and glucocorticoids. Cytology of an ulcerative lesion on the dorsal aspect of the nose was consistent with a diagnosis of phaeohyphomycosis. The cat achieved static disease for 6 weeks following initiation of itraconazole but developed epistaxis at 9 weeks. CT of the head demonstrated nasal and frontal sinus involvement. Nasal biopsy and culture identified infection with a Cladophialophora species not previously reported to cause disease. Initial response to a combination of itraconazole and terbinafine was noted, but owing to severe thrombocytopenia this combination was discontinued. Voriconazole was used but discontinued because of adverse side effects. Posaconazole treatment was offered throughout the clinical course but rejected owing to financial constraints and an uncertain response to medical therapy. Rhinotomy with debulking of diseased tissue and topical malachite green treatment was performed. Following the procedure itraconazole was continued and the cat has had no recurrence for over 1 year. RELEVANCE AND NOVEL INFORMATION Infections by Cladophialophora species have been reported in veterinary species, including cats. The specific fungal organism isolated from this cat has not been previously reported to cause disease in humans or animals and has only been described in the mangroves of Brazil. Furthermore, this is the first report to describe the use of topical malachite green as a treatment for refractory phaeohyphomycosis.
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Affiliation(s)
- Ian J Brooks
- Department of Small Animal Clinical Sciences, University of Florida, College of Veterinary Medicine, Gainesville, FL, USA
| | - Stuart A Walton
- Department of Small Animal Clinical Sciences, University of Florida, College of Veterinary Medicine, Gainesville, FL, USA
| | - Justin Shmalberg
- Department of Comparative, Diagnostic, and Population Medicine, University of Florida, College of Veterinary Medicine, Gainesville, FL, USA
| | - Autumn Harris
- Division of Nephrology, Hypertension and Renal Transplantation, Gainesville, FL, USA
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Moriello KA, Coyner K, Paterson S, Mignon B. Diagnosis and treatment of dermatophytosis in dogs and cats.: Clinical Consensus Guidelines of the World Association for Veterinary Dermatology. Vet Dermatol 2017; 28:266-e68. [PMID: 28516493 DOI: 10.1111/vde.12440] [Citation(s) in RCA: 107] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/22/2016] [Indexed: 12/12/2022]
Abstract
BACKGROUND Dermatophytosis is a superficial fungal skin disease of cats and dogs. The most common pathogens of small animals belong to the genera Microsporum and Trichophyton. It is an important skin disease because it is contagious, infectious and can be transmitted to people. OBJECTIVES The objective of this document is to review the existing literature and provide consensus recommendations for veterinary clinicians and lay people on the diagnosis and treatment of dermatophytosis in cats and dogs. METHODS The authors served as a Guideline Panel (GP) and reviewed the literature available prior to September 2016. The GP prepared a detailed literature review and made recommendations on selected topics. The World Association of Veterinary Dermatology (WAVD) provided guidance and oversight for this process. A draft of the document was presented at the 8th World Congress of Veterinary Dermatology (May 2016) and was then made available via the World Wide Web to the member organizations of the WAVD for a period of three months. Comments were solicited and posted to the GP electronically. Responses were incorporated by the GP into the final document. CONCLUSIONS No one diagnostic test was identified as the gold standard. Successful treatment requires concurrent use of systemic oral antifungals and topical disinfection of the hair coat. Wood's lamp and direct examinations have good positive and negative predictability, systemic antifungal drugs have a wide margin of safety and physical cleaning is most important for decontamination of the exposed environments. Finally, serious complications of animal-human transmission are exceedingly rare.
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Affiliation(s)
- Karen A Moriello
- Department of Medical Sciences, School of Veterinary Medicine, University of Wisconsin-Madison, 2015 Linden Drive West, Madison, WI, 53706, USA
| | - Kimberly Coyner
- Dermatology Clinic for Animals, 8300 Quinault Drive NE Suite A, Lacey, WA, 98516, USA
| | - Susan Paterson
- Department of Veterinary Dermatology, Rutland House Referral Hospital, Abbotsfield Road, St Helens, WA9 4HU, UK
| | - Bernard Mignon
- Department of Infectious and Parasitic Diseases, Veterinary Mycology, FARAH (Fundamental and Applied Research for Animals & Health), Faculty of Veterinary Medicine, University of Liège, Quartier Vallée 2, Avenue de Cureghem 10, B43A, 4000, Liège, Belgium
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Hasbach AE, Langlois DK, Rosser EJ, Papich MG. Pharmacokinetics and Relative Bioavailability of Orally Administered Innovator-Formulated Itraconazole Capsules and Solution in Healthy Dogs. J Vet Intern Med 2017. [PMID: 28627123 PMCID: PMC5508362 DOI: 10.1111/jvim.14779] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Background Itraconazole is commonly used for treatment of systemic and cutaneous mycoses in veterinary medicine. Two formulations, capsule and solution, are used interchangeably in dogs. However, marked differences in bioavailability have been reported in other species. Similar investigations have not been performed in dogs. Objective To determine and compare pharmacokinetics of itraconazole in dogs after oral administration of commercially available capsule and solution formulations intended for use in humans. Animals Eight healthy, adult, purpose‐bred dogs. Methods Dogs received approximately 10 mg/kg of innovator‐formulated itraconazole solution and capsule PO in randomized, crossover design with a 10‐day washout period. To ensure maximal absorption, solution was administered to fasted dogs, whereas capsules were co‐administered with food. Blood samples were collected at predetermined time points, and plasma drug concentrations were measured using high‐pressure liquid chromatography. Pharmacokinetic parameters were determined with compartmental analysis. Results The mean relative bioavailability of the capsule was 85% that of the solution, but drug absorption was variable, and overall drug concentrations were similar between formulations. Mean elimination half‐lives of both formulations were nearly identical at approximately 33 hours. Regardless of formulation, simulations suggest that a loading dose of 20 mg/kg, followed by 10 mg/kg once every 24 hours, will result in plasma concentrations considered to be adequate in most dogs. Conclusions and Clinical Importance Contrary to findings reported in other species, overall drug exposures after capsule and solution administration are not substantially different in dogs. Despite some pharmacokinetic differences between itraconazole capsule and solution, formulation‐specific dosages do not appear to be necessary.
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Affiliation(s)
- A E Hasbach
- Department of Small Animal Clinical Sciences, College of Veterinary Medicine, Michigan State University, East Lansing, MI
| | - D K Langlois
- Department of Small Animal Clinical Sciences, College of Veterinary Medicine, Michigan State University, East Lansing, MI
| | - E J Rosser
- Department of Small Animal Clinical Sciences, College of Veterinary Medicine, Michigan State University, East Lansing, MI
| | - M G Papich
- Molecular Biomedical Sciences Department, College of Veterinary Medicine, North Carolina State University, Raleigh, NC
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