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Tawfeek HM, Mekkawy AI, Abdelatif AAH, Aldosari BN, Mohammed-Saeid WA, Elnaggar MG. Intranasal delivery of sulpiride nanostructured lipid carrier to central nervous system; in vitro characterization and in vivo study. Pharm Dev Technol 2024:1-14. [PMID: 39264666 DOI: 10.1080/10837450.2024.2404034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2024] [Revised: 08/05/2024] [Accepted: 09/10/2024] [Indexed: 09/13/2024]
Abstract
The low and erratic oral absorption of sulpiride (SUL) a dopaminergic receptor antagonist, and its P-glycoprotein efflux in the gastrointestinal tract restricted its oral route for central nervous system disorders. An intranasal formulation was formulated based on nanostructured lipid carrier to tackle these obstacles and deliver SUL directly to the brain. Sulipride-loaded nanostructured lipid carrier (SUL-NLC) was prepared using compritol®888 ATO and different types of liquid lipids and emulsifiers. SUL-NLCs were characterized for their particle size, charge, and encapsulation efficiency. Morphology and compatibility with other NLC excipients were also studied. Moreover, SUL in vitro release, nanodispersion stability, in vivo performance and SUL pharmacokinetics were investigated. Results delineates that SUL-NLC have a particle size ranging from 366.2 ± 62.1 to 640.4 ± 50.2 nm and encapsulation efficiency of 75.5 ± 1.5%. SUL showed a sustained release pattern over 24 h and maintained its physical stability for three months. Intranasal SUL-NLC showed a significantly (p < 0.01) higher SUL brain concentration than that found in plasma after oral administration of commercial SUL product with 4.47-fold increase in the relative bioavailability. SUL-NLCs as a nose to brain approach is a promising formulation for enhancing the SUL bioavailability and efficient management of neurological disorders.
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Affiliation(s)
- Hesham M Tawfeek
- Department of Industrial Pharmacy, Faculty of Pharmacy, Assiut University, Assiut, Egypt
| | - Aml I Mekkawy
- Department of Pharmaceutics and Clinical Pharmacy, Faculty of Pharmacy, Sohag University, Sohag, Egypt
| | - Ahmed A H Abdelatif
- Department of Pharmaceutics, College of Pharmacy, Qassim University, Buraydah, Saudi Arabia
| | - Basmah N Aldosari
- Department of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Waleed A Mohammed-Saeid
- Department of Pharmaceutics and Pharmaceutical Industries, College of Pharmacy, Taibah University, Madinah, Saudi Arabia
| | - Marwa G Elnaggar
- Department of Industrial Pharmacy, Faculty of Pharmacy, Assiut University, Assiut, Egypt
- Department of Industrial and Molecular Pharmaceutics, Purdue University, West Lafayette, IN, USA
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Bazzano M, Di Salvo A, Diaferia M, Veronesi F, Galarini R, Paoletti F, Tesei B, McLean A, Veneziano V, Laus F. Anthelmintic Efficacy and Pharmacokinetics of Ivermectin Paste after Oral Administration in Mules Infected by Cyathostomins. Animals (Basel) 2020; 10:ani10060934. [PMID: 32481576 PMCID: PMC7341313 DOI: 10.3390/ani10060934] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 05/19/2020] [Accepted: 05/23/2020] [Indexed: 11/16/2022] Open
Abstract
Ivermectin (IVM) is an anthelmintic compound commonly used off-label in mules due to its broad-spectrum of activity. Despite the general use of IVM in mules with the same dose and route of administration licensed for horses, significant pharmacokinetic differences might exist between horses and mules, as already observed for donkeys. The aim of the present study was to evaluate the pharmacokinetic profile and anthelmintic efficacy of an oral paste of IVM in mules naturally infected with cyathostomins. Fifteen adult mules with fecal egg counts (FEC) ≥200 eggs per gram (EPG), with exclusive presence of cyathostomins, were included in the study. All mules were orally treated with IVM according to the manufacturer's recommended horse dosage (200 µg/kg body weight). FECs were performed before (day-10 and day-3) and after treatment at days 14 and 28 by using a modified McMaster method. The FEC reduction (FECR%) was also calculated. Blood samples were collected from five animals at various times between 0.5 h up to 30 days post treatment to determine pharmacokinetic parameters. The maximum IVM serum concentration (Cmax) was 42.31 ± 10.20 ng/mL and was achieved at 16.80 ± 9.96 hours post-treatment (Tmax), area under the curve (AUC) was 135.56 ± 43.71 ng × day/mL. FECR% remained high (>95%) until the 28th day.
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Affiliation(s)
- Marilena Bazzano
- School of Biosciences and Veterinary Medicine, University of Camerino, Via Circonvallazione, 62024 Matelica (MC), Italy; (M.B.); (B.T.)
| | - Alessandra Di Salvo
- Department of Veterinary Medicine, University of Perugia. Via S. Costanzo, 06126 Perugia, Italy; (A.D.S.); (M.D.); (F.V.)
| | - Manuela Diaferia
- Department of Veterinary Medicine, University of Perugia. Via S. Costanzo, 06126 Perugia, Italy; (A.D.S.); (M.D.); (F.V.)
| | - Fabrizia Veronesi
- Department of Veterinary Medicine, University of Perugia. Via S. Costanzo, 06126 Perugia, Italy; (A.D.S.); (M.D.); (F.V.)
| | - Roberta Galarini
- Istituto Zooprofilattico Sperimentale dell’Umbria e delle Marche “Togo Rosati”, Via Salvemini, 06126 Perugia, Italy; (R.G.); (F.P.)
| | - Fabiola Paoletti
- Istituto Zooprofilattico Sperimentale dell’Umbria e delle Marche “Togo Rosati”, Via Salvemini, 06126 Perugia, Italy; (R.G.); (F.P.)
| | - Beniamino Tesei
- School of Biosciences and Veterinary Medicine, University of Camerino, Via Circonvallazione, 62024 Matelica (MC), Italy; (M.B.); (B.T.)
| | - Amy McLean
- Department of Animal Science, University of California Davis, Davis, CA 95616, USA;
| | - Vincenzo Veneziano
- Department of Veterinary Medicine and Animal Productions, University of Naples Federico II, 80137 Naples, Italy;
| | - Fulvio Laus
- School of Biosciences and Veterinary Medicine, University of Camerino, Via Circonvallazione, 62024 Matelica (MC), Italy; (M.B.); (B.T.)
- Correspondence: ; Tel.: +39-07-3740-3403
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Łebkowska-Wieruszewskal B, Sartini I, Barsotti G, Camillo F, Rota A, Panzani D, Poapolathep A, Giorgi M. Pharmacokinetics of levosulpiride after single-dose administration by different routes in sheep (Ovis aries Linnaeus). Small Rumin Res 2019. [DOI: 10.1016/j.smallrumres.2019.09.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Łebkowska-Wieruszewska B, Barsotti G, Camillo F, Rota A, Panzani D, Poapolathep A, Lisowski A, Giorgi M. Pharmacokinetics of levosulpiride after single-dose administration in goats (Capra hircus) by different routes of administration. J Vet Pharmacol Ther 2019; 42:440-446. [PMID: 31206720 DOI: 10.1111/jvp.12786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Revised: 04/23/2019] [Accepted: 05/13/2019] [Indexed: 11/28/2022]
Abstract
Levosulpiride (LSP) is the l-enantiomer of sulpiride, and LSP recently replacing sulpiride in several EU countries. Several studies about LSP in humans are present in the literature, but neither pharmacodynamic nor pharmacokinetic data of LSP is present for veterinary species. The aim of this study was to assess the pharmacokinetic profile of LSP after intravenous (IV), intramuscular (IM), and oral (PO) administration in goats. Animals (n = 6) were treated with 50 mg LSP by IV, IM, and PO routes according to a randomized cross-over design (3 × 3 Latin-square). Blood samples were collected prior and up to 24 hr after LSP administration and quantified using a validated HPLC method with fluorescence detection. IV and IM administration gave similar concentration versus time curve profiles. The IM mean bioavailability was 66.97%. After PO administration, the drug plasma concentrations were detectable only in the time range 1.5-4 hr, and the bioavailability (4.73%) was low. When the AUC was related to the administered dose in mg/kg, there was a good correlation in the IV and IM groups, but very low correlation for the PO route. In conclusion, the IM and IV administrations result in very similar plasma concentrations. Oral dosing of LSP in goats is probably not viable as its oral bioavailability was very low.
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Affiliation(s)
| | | | | | - Alessandra Rota
- Department of Veterinary Sciences, University of Pisa, Pisa, Italy
| | - Duccio Panzani
- Department of Veterinary Sciences, University of Pisa, Pisa, Italy
| | - Amnart Poapolathep
- Department of Pharmacology, Faculty of Veterinary Medicine, Kasetsart University, Bangkok, Thailand
| | - Andrzej Lisowski
- Department of Biology and Animal Breeding, University of Life Sciences, Lublin, Poland
| | - Mario Giorgi
- Department of Veterinary Sciences, University of Pisa, Pisa, Italy
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Bazzano M, McLean A, Tesei B, Gallina E, Laus F. Selenium and Vitamin E Concentrations in a Healthy Donkey Population in Central Italy. J Equine Vet Sci 2019; 78:112-116. [PMID: 31203973 DOI: 10.1016/j.jevs.2019.04.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Revised: 04/03/2019] [Accepted: 04/03/2019] [Indexed: 12/21/2022]
Abstract
Selenium and vitamin E protect the body against oxidative stress. Clinical manifestations of their deficiency in equids include neurologic and muscular symptoms. Despite the importance of donkeys as working and production animals, there is a dearth of scientific data on selenium and vitamin E normal values. Therefore, the aim of this study was to investigate the plasma concentrations of selenium and vitamin E in healthy donkeys belonging to different ages, sexes, and productive phases. Animals were divided into five groups including foals (group A: n = 7, n = 4 males and n = 3 females), weanlings and yearlings (group B: n = 7, n = 2 males and n = 5 females), nonpregnant nonlactating jennies (group C: n = 5), pregnant nonlactating jennies (group D: n = 9), and adult males (group E: n = 9). Plasma samples obtained from each animal were tested for vitamin E and selenium concentration. One-way analysis of variance showed significant differences in selenium concentrations (P = .001) between group A and group E. In this study, we found the selenium range for donkeys to be 0.02-0.14 μg/mL, which is lower than the recommended range for horses. The results suggest that donkeys may have a lower selenium requirement than horses. Plasma vitamin E levels were 3.29-12.99 μmol/L, with foals having lower concentrations than adults. Knowing specific reference ranges for vitamin E and selenium in healthy donkeys can help improve our understanding of how to prevent deficiencies that could compromise their overall health and well-being.
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Affiliation(s)
- Marilena Bazzano
- School of Biosciences and Veterinary Medicine, University of Camerino, Matelica, MC, Italy.
| | - Amy McLean
- Department of Animal Science, University of California Davis, Davis, CA
| | - Beniamino Tesei
- School of Biosciences and Veterinary Medicine, University of Camerino, Matelica, MC, Italy
| | - Elisa Gallina
- Equine Practitioner, School of Animal Health and Breeding, University of Camerino, Matelica, MC, Italy
| | - Fulvio Laus
- School of Biosciences and Veterinary Medicine, University of Camerino, Matelica, MC, Italy
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