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Inclusion Complexes of Rifampicin with Native and Derivatized Cyclodextrins: In Silico Modeling, Formulation, and Characterization. Pharmaceuticals (Basel) 2021; 15:ph15010020. [PMID: 35056077 PMCID: PMC8781390 DOI: 10.3390/ph15010020] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2021] [Revised: 12/21/2021] [Accepted: 12/22/2021] [Indexed: 11/17/2022] Open
Abstract
Inclusion complexation of rifampicin (RIF) with several types of cyclodextrins (βCD, hydroxypropyl-βCD, γCD, hydroxypropyl-γCD) in aqueous solutions at different pH values was investigated to assess the interactions between RIF and cyclodextrins (CDs). Molecular modeling was performed to determine the possible interactions between RIF and CDs at several pH values. The inclusion complexes were characterized by differential scanning calorimetry, Fourier transform infrared spectroscopy, powder X-ray diffractometry, and scanning electron microscopy. Moreover, this study evaluated the dissolution profile and antibacterial activity of the formed complexes. Phase solubility analysis suggested the formation of RIF-CD affirmed 1:1 stoichiometry at all pH values (except RIF-βCD at pH 4.0 and both βCD and γCD at pH 9.0). The inclusion complexation of RIF with CD successfully increased the percentage of RIF released in in vitro studies. The inclusion complexes of RIF exhibited more than 60% of RIF released in 2 h which was significantly higher (p < 0.05) than release of pure RIF, which was only less than 10%. Antibacterial activity of RIF-CD complexes (measured by the minimum inhibitory concentration of RIF against Staphylococcus aureus and methicillin-resistant Staphylococcus aureus) was lower for both RIF-βCD and RIF-HPγCD at pH 7.0 to pure RIF suspension. In conclusion, this work reports that both βCD and γCD can be used to enhance the solubility of RIF and thus, improve the effectivity of RIF by decreasing the required daily dose of RIF for the treatment of bacterial infections.
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A β-cyclodextrin/graphene oxide hybrid gel with smart responsiveness. J INCL PHENOM MACRO 2021. [DOI: 10.1007/s10847-021-01106-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Li B, Gao R, Wang L. Synthesis and performance of a novel polycarboxylate superplasticizer through grafting the β‐cyclodextrin on the side chain by click reaction. J Appl Polym Sci 2021. [DOI: 10.1002/app.51524] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Bin Li
- State Key Laboratory of Green Building Materials China Building Materials Academy Beijing China
| | - Ruijun Gao
- State Key Laboratory of Green Building Materials China Building Materials Academy Beijing China
| | - Ling Wang
- State Key Laboratory of Green Building Materials China Building Materials Academy Beijing China
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Surfactant-Free Glibenclamide Nanoparticles: Formulation, Characterization and Evaluation of Interactions with Biological Barriers. Pharm Res 2021; 38:1081-1092. [PMID: 34002324 DOI: 10.1007/s11095-021-03056-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Accepted: 05/06/2021] [Indexed: 10/21/2022]
Abstract
PURPOSE The aim of this work was to formulate and characterize surfactant-free glibenclamide nanoparticles using Eudragit RLPO and polyethylene glycol as sole stabilizer. METHODS Glibenclamide nanoparticles were obtained by nanoprecipitation and evaluated in terms of drug content, encapsulation efficiency, apparent saturation solubility, drug release profile, solid state and storage stability. The influence of different stirring speed on the particle size, size distribution and zeta potential of the nanoparticles was investigated. The nanoparticle biocompatibility and permeability were analyzed in vitro on Caco-2 cell line (clone HTB-37) and its interaction with mucin was also investigated. RESULTS It was found that increasing the molecular weight of polyethylene glycol from 400 to 6000 decreased drug encapsulation, whereas the aqueous solubility and dissolution rate of the drug increased. Particle size of the nanoformulations, with and without polyethylene glycol, were between 140 and 460 nm. Stability studies confirmed that glibenclamide nanoparticles were stable, in terms of particle size, after 120 days at 4°C. In vitro studies indicated minimal interactions of glibenclamide nanoparticles and mucin glycoproteins suggesting favorable properties to address the intestinal mucus barrier. Cell viability studies confirmed the safety profile of these nanoparticles and showed an increased permeation through epithelial cells. CONCLUSION Taking into consideration these findings, polyethylene glycol is a useful polymer for stabilizing these surfactant-free glibenclamide nanoparticles and represent a promising alternative to improve the treatment of non-insulin dependent diabetes.
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Cam ME, Ertas B, Alenezi H, Hazar-Yavuz AN, Cesur S, Ozcan GS, Ekentok C, Guler E, Katsakouli C, Demirbas Z, Akakin D, Eroglu MS, Kabasakal L, Gunduz O, Edirisinghe M. Accelerated diabetic wound healing by topical application of combination oral antidiabetic agents-loaded nanofibrous scaffolds: An in vitro and in vivo evaluation study. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 119:111586. [PMID: 33321632 DOI: 10.1016/j.msec.2020.111586] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 09/05/2020] [Accepted: 09/28/2020] [Indexed: 12/24/2022]
Abstract
The combination of oral antidiabetic drugs, pioglitazone, metformin, and glibenclamide, which also exhibit the strongest anti-inflammatory action among oral antidiabetic drugs, were loaded into chitosan/gelatin/polycaprolactone (PCL) by electrospinning and polyvinyl pyrrolidone (PVP)/PCL composite nanofibrous scaffolds by pressurized gyration to compare the diabetic wound healing effect. The combination therapies significantly accelerated diabetic wound healing in type-1 diabetic rats and organized densely packed collagen fibers in the dermis, it also showed better regeneration of the dermis and epidermis than single drug-loaded scaffolds with less inflammatory cell infiltration and edema. The formation of the hair follicles started in 14 days only in the combination therapy and lower proinflammatory cytokine levels were observed compared to single drug-loaded treatment groups. The combination therapy increased the wettability and hydrophilicity of scaffolds, demonstrated sustained drug release over 14 days, has high tensile strength and suitable cytocompatibility on L929 (mouse fibroblast) cell and created a suitable area for the proliferation of fibroblast cells. Consequently, the application of metformin and pioglitazone-loaded chitosan/gelatin/PCL nanofibrous scaffolds to a diabetic wound area offer high bioavailability, fewer systemic side effects, and reduced frequency of dosage and amount of drug.
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Affiliation(s)
- Muhammet Emin Cam
- Department of Mechanical Engineering, University College London, Torrington Place, London WC1E 7JE, UK; Center for Nanotechnology and Biomaterials Application and Research, Marmara University, Istanbul 34722, Turkey; Department of Pharmacology, Faculty of Pharmacy, Marmara University, Istanbul 34716, Turkey.
| | - Busra Ertas
- Department of Pharmacology, Faculty of Pharmacy, Marmara University, Istanbul 34716, Turkey
| | - Hussain Alenezi
- Department of Mechanical Engineering, University College London, Torrington Place, London WC1E 7JE, UK; Department of Manufacturing Engineering, College of Technological Studies, PAAET, 13092 Kuwait City, Kuwait
| | - Ayse Nur Hazar-Yavuz
- Department of Pharmacology, Faculty of Pharmacy, Marmara University, Istanbul 34716, Turkey
| | - Sumeyye Cesur
- Center for Nanotechnology and Biomaterials Application and Research, Marmara University, Istanbul 34722, Turkey; Department of Metallurgy and Material Engineering, Faculty of Technology, Marmara University, Istanbul 34722, Turkey
| | - Gul Sinemcan Ozcan
- Department of Histology and Embryology, Faculty of Medicine, Marmara University, Istanbul 34854, Turkey
| | - Ceyda Ekentok
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, Marmara University, Istanbul 34722, Turkey
| | - Ece Guler
- Center for Nanotechnology and Biomaterials Application and Research, Marmara University, Istanbul 34722, Turkey; Department of Pharmacology, Faculty of Pharmacy, Marmara University, Istanbul 34716, Turkey
| | - Christina Katsakouli
- Department of Mechanical Engineering, University College London, Torrington Place, London WC1E 7JE, UK
| | - Zehra Demirbas
- Department of Clinical Microbiology and Infectious Diseases, School of Medicine, Gazi University, Ankara 06510, Turkey
| | - Dilek Akakin
- Department of Histology and Embryology, Faculty of Medicine, Marmara University, Istanbul 34854, Turkey
| | - Mehmet Sayip Eroglu
- Department of Chemical Engineering, Faculty of Engineering, Marmara University, Istanbul 34722, Turkey; Chemistry Group Laboratories, TUBITAK-UME, Kocaeli 41470, Turkey
| | - Levent Kabasakal
- Department of Pharmacology, Faculty of Pharmacy, Marmara University, Istanbul 34716, Turkey
| | - Oguzhan Gunduz
- Center for Nanotechnology and Biomaterials Application and Research, Marmara University, Istanbul 34722, Turkey; Department of Metallurgy and Material Engineering, Faculty of Technology, Marmara University, Istanbul 34722, Turkey
| | - Mohan Edirisinghe
- Department of Mechanical Engineering, University College London, Torrington Place, London WC1E 7JE, UK.
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Ali HSM, Hanafy AF, Alqurshi A. Engineering of solidified glyburide nanocrystals for tablet formulation via loading of carriers: downstream processing, characterization, and bioavailability. Int J Nanomedicine 2019; 14:1893-1906. [PMID: 30936692 PMCID: PMC6422418 DOI: 10.2147/ijn.s194734] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
INTRODUCTION Presenting poorly water-soluble drugs as nanoparticles has shown to be an effective technique in enhancing drug dissolution rate, intrinsic solubility, and thus oral bioavailability. Nevertheless, working with nanoparticles introduces many challenges, one of which is their physical instability. Formulating nanoparticles into a solid dosage form may overcome such challenges and thus unlock the potential benefits of nanosizing. METHODS The current work investigates the possibility of developing a novel solid dosage form, with enhanced dissolution rate, whereby nanocrystals (~400 nm) of the class II Biopharmaceutical Classification System drug, glyburide (GBD) were fabricated through combined precipitation and homogenization procedures. Using a novel, but scalable, spraying technique, GBD nanocrystals were loaded onto commonly used tablet fillers, water-soluble lactose monohydrate (LAC), and water insoluble microcrystalline cellulose (MCC). Conventional tableting processes were then used to convert the powders generated into a tablet dosage form. RESULTS Studies of redispersibility showed considerable preservation of size characteristics of GBD nanocrystals during downstream processing with redispersibility indices of 105 and 118 for GBD-LAC and GBD-MCC, respectively. Characterization by differential scanning calorimetry, powder X-ray diffraction, and scanning electron microscopy showed that the powders generated powders contained nanosized crystals of GBD which adhered to carrier surfaces. Powder flowability was characterized using Hausner ratio (HR) and Carr's index (CI). GBD-LAC-loaded particles exhibited poor flowability with CI and HR of 37.5% and 1.60, respectively, whilst GBD-MCC particles showed a slightly improved flowability with CI and HR of 26.47% and 1.36, respectively. The novel tablet dosage form met US Pharmacopeia specifications, including drug content, hardness, and friability. CONCLUSION Higher dissolution rates were observed from the nanocrystal-based tablets compared to the microsized and commercial drug formulations. Moreover, the novel nanocrystal tablet dosage forms showed enhanced in vivo performance with area under the plasma concentration- time curve in the first 24 hours values 1.97 and 2.24 times greater than that of marketed tablets.
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Affiliation(s)
- Hany S M Ali
- Department of Pharmaceutics and Pharmaceutical Technology, College of Pharmacy, Taibah University, Al-Madinah Al-Munawwarah, Saudi Arabia,
- Department of Pharmaceutics, Faculty of Pharmacy, Assiut University, Assiut, Egypt,
| | - Ahmed F Hanafy
- Department of Pharmaceutics and Pharmaceutical Technology, College of Pharmacy, Taibah University, Al-Madinah Al-Munawwarah, Saudi Arabia,
- Research and Development Department, Al Andalous Pharmaceutical Industries, Cairo, Egypt
| | - Abdulmalik Alqurshi
- Department of Pharmaceutics and Pharmaceutical Technology, College of Pharmacy, Taibah University, Al-Madinah Al-Munawwarah, Saudi Arabia,
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Larrañeta E, Domínguez-Robles J, Coogan M, Heaney E, Stewart SA, Thakur RRS, Donnelly RF. Poly(methyl vinyl ether-co-maleic acid) Hydrogels Containing Cyclodextrins and Tween 85 for Potential Application as Hydrophobic Drug Delivery Systems. Macromol Res 2019. [DOI: 10.1007/s13233-019-7074-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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Lis Arias MJ, Coderch L, Martí M, Alonso C, García Carmona O, García Carmona C, Maesta F. Vehiculation of Active Principles as a Way to Create Smart and Biofunctional Textiles. MATERIALS 2018; 11:ma11112152. [PMID: 30388791 PMCID: PMC6266968 DOI: 10.3390/ma11112152] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Revised: 10/23/2018] [Accepted: 10/29/2018] [Indexed: 11/17/2022]
Abstract
In some specific fields of application (e.g., cosmetics, pharmacy), textile substrates need to incorporate sensible molecules (active principles) that can be affected if they are sprayed freely on the surface of fabrics. The effect is not controlled and sometimes this application is consequently neglected. Microencapsulation and functionalization using biocompatible vehicles and polymers has recently been demonstrated as an interesting way to avoid these problems. The use of defined structures (polymers) that protect the active principle allows controlled drug delivery and regulation of the dosing in every specific case. Many authors have studied the use of three different methodologies to incorporate active principles into textile substrates, and assessed their quantitative behavior. Citronella oil, as a natural insect repellent, has been vehicularized with two different protective substances; cyclodextrine (CD), which forms complexes with it, and microcapsules of gelatin-arabic gum. The retention capability of the complexes and microcapsules has been assessed using an in vitro experiment. Structural characteristics have been evaluated using thermogravimetric methods and microscopy. The results show very interesting long-term capability of dosing and promising applications for home use and on clothes in environmental conditions with the need to fight against insects. Ethyl hexyl methoxycinnamate (EHMC) and gallic acid (GA) have both been vehicularized using two liposomic-based structures: Internal wool lipids (IWL) and phosphatidylcholine (PC). They were applied on polyamide and cotton substrates and the delivery assessed. The amount of active principle in the different layers of skin was determined in vitro using a Franz-cell diffusion chamber. The results show many new possibilities for application in skin therapeutics. Biofunctional devices with controlled functionality can be built using textile substrates and vehicles. As has been demonstrated, their behavior can be assessed using in vitro methods that make extrapolation to their final applications possible.
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Affiliation(s)
- Manuel J Lis Arias
- Textile Research Institute of Terrassa (INTEXTER-UPC), 08222 Terrassa, Spain.
| | - Luisa Coderch
- Catalonia Advanced Chemistry Institute (IQAC-CSIC), 08034 Barcelona, Spain.
| | - Meritxell Martí
- Catalonia Advanced Chemistry Institute (IQAC-CSIC), 08034 Barcelona, Spain.
| | - Cristina Alonso
- Catalonia Advanced Chemistry Institute (IQAC-CSIC), 08034 Barcelona, Spain.
| | | | | | - Fabricio Maesta
- Textile Engineering Dept., Federal Technological University of Paraná, Apucarana 86812-460, Brazil.
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Lucio D, Martínez-Ohárriz MC, Gu Z, He Y, Aranaz P, Vizmanos JL, Irache JM. Cyclodextrin-grafted poly(anhydride) nanoparticles for oral glibenclamide administration. In vivo evaluation using C. elegans. Int J Pharm 2018; 547:97-105. [PMID: 29842888 DOI: 10.1016/j.ijpharm.2018.05.064] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2018] [Revised: 05/24/2018] [Accepted: 05/25/2018] [Indexed: 10/16/2022]
Abstract
The aim of this work was to prepare and evaluate cyclodextrins-modified poly(anhydride) nanoparticles to enhance the oral administration of glibenclamide. A conjugate polymer was synthesized by incorporating hydroxypropyl-β-cyclodextrin to the backbone of poly(methylvinyl ether-co-maleic anhydride) via Steglich reaction. The degree of substitution of anhydride rings by cyclodextrins molecules was calculated to be 4.9% using H-NMR spectroscopy. A central composite design of experiments was used to optimize the preparative process. Under the optimal conditions, nanoparticles displayed a size of about 170 nm, a surface charge of -47 mV and a drug loading of 69 µg GB/mg. X-ray diffraction studies confirmed the loss of the crystalline structure of GB due to its dispersion into the nanoparticles, either included into cyclodextrin cavities or entrapped in the polymer chains. Glibenclamide was mainly release by Fickian-diffusion in simulated intestinal fluid. GB-loaded nanoparticles produced a hypolipidemic effect over C. elegans N2 wild-type and daf-2 mutant. The action mechanism included daf-2 and daf-28 genes, both implicated in the insulin signaling pathway of C. elegans. In summary, the covalent linkage of cyclodextrin to the poly(anhydride) backbone could be an interesting strategy to prepare nanoparticles for the oral administration of glibenclamide.
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Affiliation(s)
- David Lucio
- Department of Chemistry, School of Sciences, University of Navarra, Irunlarrea s/n, Pamplona 31080, Navarra, Spain.
| | | | - Zhongwei Gu
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu 610064, PR China.
| | - Yiyan He
- National Engineering Research Center for Biomaterials, Sichuan University, 29 Wangjiang Road, Chengdu 610064, PR China.
| | - Paula Aranaz
- Centre for Nutrition Research, School of Pharmacy and Nutrition, University of Navarra, Irunlarrea s/n, Pamplona 31080 Navarra, Spain.
| | - José Luis Vizmanos
- Department of Biochemistry and Genetics, School of Sciences, University of Navarra, Irunlarrea s/n, Pamplona 31080, Navarra and Navarra Institute for Health Research (IdiSNA), Spain.
| | - Juan M Irache
- Department of Pharmacy and Pharmaceutical Technology, School of Pharmacy and Nutrition, University of Navarra, Irunlarrea s/n, Pamplona 31080 Navarra, Spain.
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Feasibility of Using Gluconolactone, Trehalose and Hydroxy-Propyl Gamma Cyclodextrin to Enhance Bendroflumethiazide Dissolution Using Lyophilisation and Physical Mixing Techniques. Pharmaceutics 2018; 10:pharmaceutics10010022. [PMID: 29389848 PMCID: PMC5874835 DOI: 10.3390/pharmaceutics10010022] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2017] [Revised: 01/22/2018] [Accepted: 01/24/2018] [Indexed: 12/19/2022] Open
Abstract
Purpose: Hydrophobic drugs are facing a major challenge in dissolution rate enhancement and solubility in aqueous solutions; therefore, a variety of methods have been used to improve dissolution rate and/or solubility of bendroflumethiazide as a model hydrophobic drug. Methods: In this study, two main methods (physical mixing and lyophilisation) were used with gluconolactone, hydroxyl propyl γ-ccyclodextrin, and trehalose to explore this challenge. Bendroflumethiazide, practically insoluble in water, was mixed with one of the three excipients gluconolactone, hydroxyl propyl γ-cyclodextrin, and trehalose in three different ratios 1:1, 1:2, 1:5. To the best of our knowledge, the dissolution of the drug has not been previously enhanced by using either these methods or any of the used excipients. Samples containing drug and each of the excipients were characterized via dissolution testing, Fourier Transform infra-red spectroscopy, differential scanning calorimetry, and scanning electron microscopy. Results: The used methods showed a significant enhancement in dug dissolution rate; physical mixing significantly, p < 0.05, increased the percentage of the drug released with time; for example, bendroflumethiazide dissolution in distilled water was improved from less than 20% to 99.79% within 90 min for physically mixed drug-cyclodextrin 1:5. The lyophilisation process was enhanced and the drug dissolution rate and the highest drug dissolution was achieved for (drug-gluconolactone 1:1) with 98.98% drug release within 90 min. Conclusions: the physical mixing and freeze drying processes significantly increased the percentage of drug release with time.
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Lucio D, Martínez-Ohárriz MC, González-Navarro CJ, Navarro-Herrera D, González-Gaitano G, Radulescu A, Irache JM. Coencapsulation of cyclodextrins into poly(anhydride) nanoparticles to improve the oral administration of glibenclamide. A screening on C. elegans. Colloids Surf B Biointerfaces 2017; 163:64-72. [PMID: 29277019 DOI: 10.1016/j.colsurfb.2017.12.038] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2017] [Revised: 12/16/2017] [Accepted: 12/19/2017] [Indexed: 11/17/2022]
Abstract
This work describes the feasibility of poly(anhydride) nanoparticles as carriers for the oral administration of glibenclamide (GB) as well as the in vivo evaluation of their hypolipidemic effect in a C. elegans model. For this purpose, and in order to increase the GB payload, the drug was encapsulated in nanoparticles in presence of cyclodextrins (either βCD or HPβCD). The optimized nanoparticles displayed a size of about 220 nm and a negative zeta potential (-40 mV), with a drug loading up to 52 μg/mg. Small-angle neutron scattering studies suggested an internal fractal-like structure, based on the repetition of spherical blocks of polymeric units (about 5 nm) grouped to form the nanoparticle. X-ray diffraction study confirmed the absence of crystalline GB molecules due to its dispersion into the nanoparticles, either entrapped in the polymer chains and/or included into cyclodextrin cavities. GB-loaded nanoparticles induced a significant reduction in the fat content of C. elegans. This hypolipidemic effect was slightly higher for the nanoparticles prepared with coencapsulated HPβCD (8.2%) than for those prepared with βCD (7.9%) or in the absence of cyclodextrins (7.0%). In summary, the coencapsulation of cyclodextrins into poly(anhydride) nanoparticles could be an interesting strategy to develop new oral formulations of glibenclamide.
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Affiliation(s)
- David Lucio
- Department of Chemistry, School of Sciences, University of Navarra, Irunlarrea s/n, Pamplona 31080, Navarra, Spain.
| | | | - Carlos J González-Navarro
- Centre for Nutrition Research, School of Pharmacy and Nutrition, University of Navarra, Irunlarrea s/n, Pamplona 31080, Navarra, Spain.
| | - David Navarro-Herrera
- Centre for Nutrition Research, School of Pharmacy and Nutrition, University of Navarra, Irunlarrea s/n, Pamplona 31080, Navarra, Spain.
| | - Gustavo González-Gaitano
- Department of Chemistry, School of Sciences, University of Navarra, Irunlarrea s/n, Pamplona 31080, Navarra, Spain.
| | - Aurel Radulescu
- Jülich Centre for Neutron Science, Heinz Maier-Leibnitz Zentrum, Forschungszentrum Jülich GmbH, 85748 Garching, Germany.
| | - Juan M Irache
- Department of Pharmacy and Pharmaceutical Technology, School of Pharmacy and Nutrition, University of Navarra, Irunlarrea s/n, Pamplona 31080, Navarra, Spain.
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Optimization and evaluation of zein nanoparticles to improve the oral delivery of glibenclamide. In vivo study using C. elegans. Eur J Pharm Biopharm 2017; 121:104-112. [DOI: 10.1016/j.ejpb.2017.09.018] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2017] [Revised: 09/26/2017] [Accepted: 09/30/2017] [Indexed: 12/17/2022]
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