1
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Hasan K, Shehadi IA, Joseph RG, Patole SP, Elgamouz A. β-Cyclodextrin-Functionalized Fe 3O 4-Supported Pd-Nanocatalyst for the Reduction of Nitroarenes in Water at Mild Conditions. ACS OMEGA 2023; 8:23901-23912. [PMID: 37426276 PMCID: PMC10324381 DOI: 10.1021/acsomega.3c02332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Accepted: 06/07/2023] [Indexed: 07/11/2023]
Abstract
In this study, a novel heterogeneous catalyst (Fe3O4@β-CD@Pd) has been developed by the deposition of palladium nanoparticles on the β-cyclodextrin-functionalized surface of magnetic Fe3O4. The catalyst was prepared by a simple chemical co-precipitation method and characterized extensively by using Fourier transform infrared (FTIR) spectroscopy, thermogravimetric analysis (TGA), X-ray diffraction (XRD), field-emission scanning electron microscopy (FE-SEM), energy dispersive X-ray spectroscopy (EDX), transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS), and inductively coupled plasma-optical emission spectrometry (ICP-OES) analyses. Herein, the applicability of the prepared material was evaluated for the catalytic reduction of environmentally toxic nitroarenes to the corresponding anilines. The catalyst Fe3O4@β-CD@Pd showed excellent efficiency for the reduction of nitroarenes in water under mild conditions. A low catalyst loading of 0.3 mol % Pd is found to be efficient for reducing nitroarenes in excellent to good (99-95%) yields along with high TON values (up to 330). Nevertheless, the catalyst was recycled and reused up to the 5th cycle of reduction of nitroarene without any loss of significant catalytic activity.
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Affiliation(s)
- Kamrul Hasan
- Department of Chemistry,
Pure and Applied Chemistry Group, College of Sciences, University of Sharjah, P.O. Box 27272, Sharjah 27272, United Arab
Emirates
| | - Ihsan A. Shehadi
- Department of Chemistry,
Pure and Applied Chemistry Group, College of Sciences, University of Sharjah, P.O. Box 27272, Sharjah 27272, United Arab
Emirates
| | - Reshma G. Joseph
- Department of Chemistry,
Pure and Applied Chemistry Group, College of Sciences, University of Sharjah, P.O. Box 27272, Sharjah 27272, United Arab
Emirates
| | - Shashikant P. Patole
- Department of Physics, Khalifa
University of Science and Technology, P.O. Box 127788, Abu Dhabi 127788, United Arab Emirates
| | - Abdelaziz Elgamouz
- Department of Chemistry,
Pure and Applied Chemistry Group, College of Sciences, University of Sharjah, P.O. Box 27272, Sharjah 27272, United Arab
Emirates
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2
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Abdellatif AAH, Ahmed F, Mohammed AM, Alsharidah M, Al-Subaiyel A, Samman WA, Alhaddad AA, Al-Mijalli SH, Amin MA, Barakat H, Osman SK. Recent Advances in the Pharmaceutical and Biomedical Applications of Cyclodextrin-Capped Gold Nanoparticles. Int J Nanomedicine 2023; 18:3247-3281. [PMID: 37337575 PMCID: PMC10277008 DOI: 10.2147/ijn.s405964] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Accepted: 05/31/2023] [Indexed: 06/21/2023] Open
Abstract
The real problem in pharmaceutical preparation is drugs' poor aqueous solubility, low permeability through biological membranes, and short biological t1/2. Conventional drug delivery systems are not able to overcome these problems. However, cyclodextrins (CDs) and their derivatives can solve these challenges. This article aims to summarize and review the history, properties, and different applications of cyclodextrins, especially the ability of inclusion complex formation. It also refers to the effects of cyclodextrin on drug solubility, bioavailability, and stability. Moreover, it focuses on preparing and applying gold nanoparticles (AuNPs) as novel drug delivery systems. It also studies the uses and effects of cyclodextrins in this field as novel drug carriers and targeting devices. The system formulated from AuNPs linked with CD molecules combines the advantages of both CD and AuNPs. Cyclodextrins benefit in increasing aqueous drug solubility, loading capacity, stability, and size control of gold NPs. Also, AuNPs are applied as diagnostic and therapeutic agents because of their unique chemical properties. Plus, AuNPs possess several advantages such as ease of detection, targeted and selective drug delivery, greater surface area, high loading efficiency, and higher stability than microparticles. In the present article, we tried to present the potential pharmaceutical applications of CD-derived AuNPs in biomedical applications including antibacterial, anticancer, gene-drug delivery, and various targeted drug delivery applications. Also, the article highlighted the role of CDs in the preparation and improvement of catalytic enzymes, the formation of self-assembling molecular print boards, the fabrication of supramolecular functionalized electrodes, and biosensors formation.
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Affiliation(s)
- Ahmed A H Abdellatif
- Department of Pharmaceutics, College of Pharmacy, Qassim University, Qassim, 51452, Saudi Arabia
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, Al-Azhar University, Assiut, 71524, Egypt
| | - Fatma Ahmed
- Department of Zoology, Faculty of Science, Sohag University, Sohag, 82524, Egypt
| | - Ahmed M Mohammed
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, Al-Azhar University, Assiut, 71524, Egypt
| | - Mansour Alsharidah
- Department of Physiology, College of Medicine, Qassim University, Buraydah, 51452, Saudi Arabia
| | - Amal Al-Subaiyel
- Department of Pharmaceutics, College of Pharmacy, Qassim University, Qassim, 51452, Saudi Arabia
| | - Waad A Samman
- Department of Pharmacology and Toxicology, College of Pharmacy, Taibah University, Medina, 42353, Saudi Arabia
| | - Aisha A Alhaddad
- Department of Pharmacology and Toxicology, College of Pharmacy, Taibah University, Medina, 42353, Saudi Arabia
| | - Samiah Hamad Al-Mijalli
- Department of Biology, College of Sciences, Princess Nourah Bint Abdulrahman University, Riyadh, 11671, Saudi Arabia
| | - Mohammed A Amin
- Department of Pharmaceutics, College of Pharmacy, Qassim University, Qassim, 51452, Saudi Arabia
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, Al-Azhar University, Assiut, 71524, Egypt
| | - Hassan Barakat
- Department of Food Science and Human Nutrition, College of Agriculture and Veterinary Medicine, Qassim University, Buraydah, 51452, Saudi Arabia
- Food Technology Department, Faculty of Agriculture, Benha University, Moshtohor, 13736, Egypt
| | - Shaaban K Osman
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmacy, Al-Azhar University, Assiut, 71524, Egypt
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Ramachandran JP, Antony A, Ramakrishnan RM, Wallen SL, Raveendran P. CO2-solvated liquefaction of polyethylene glycol (PEG): A novel, green process for the preparation of drug-excipient composites at low temperatures. J CO2 UTIL 2022. [DOI: 10.1016/j.jcou.2022.101971] [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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4
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Lachowicz M, Stańczak A, Kołodziejczyk M. Characteristic of Cyclodextrins: Their Role and Use in the Pharmaceutical Technology. Curr Drug Targets 2021; 21:1495-1510. [PMID: 32538725 DOI: 10.2174/1389450121666200615150039] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Revised: 04/24/2020] [Accepted: 05/20/2020] [Indexed: 02/05/2023]
Abstract
About 40% of newly-discovered entities are poorly soluble in water, and this may be an obstacle in the creation of new drugs. To address this problem, the present review article examines the structure and properties of cyclodextrins and the formation and potential uses of drug - cyclodextrin inclusion complexes. Cyclodextrins are cyclic oligosaccharides containing six or more D-(+)- glucopyranose units linked by α-1,4-glycosidic bonds, which are characterized by a favourable toxicological profile, low local toxicity and low mucous and eye irritability; they are virtually non-toxic when administered orally. They can be incorporated in the formulation of new drugs in their natural form (α-, β-, γ-cyclodextrin) or as chemically-modified derivatives. They may also be used as an excipient in drugs delivered by oral, ocular, dermal, nasal and rectal routes, as described in the present paper. Cyclodextrins are promising compounds with many beneficial properties, and their use may be increasingly profitable for pharmaceutical scientists.
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Affiliation(s)
- Malwina Lachowicz
- Department of Technology of Drug Form, Faculty of Pharmacy, Medical University of Lodz, Muszynskiego 1, 90-151 Lodz, Poland
| | - Andrzej Stańczak
- Department of Applied Pharmacy, Faculty of Pharmacy, Medical University of Lodz, Muszynskiego 1, 90-151 Lodz, Poland
| | - Michał Kołodziejczyk
- Department of Technology of Drug Form, Faculty of Pharmacy, Medical University of Lodz, Muszynskiego 1, 90-151 Lodz, Poland
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5
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Alam P, Salem‐Bekhit MM, Iqbal M, Anwer MK, Alqarni MH, Shakeel F. Stability‐indicating reversed‐phase/normal‐phase high‐performance thin‐layer chromatography technique for the determination of arbidol: Green analytical chemistry viewpoint. J CHIN CHEM SOC-TAIP 2021. [DOI: 10.1002/jccs.202100106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Prawez Alam
- Department of Pharmacognosy, College of Pharmacy Prince Sattam Bin Abdulaziz University Al‐Kharj Saudi Arabia
| | - Mounir M. Salem‐Bekhit
- Department of Pharmaceutics, College of Pharmacy King Saud University Riyadh Saudi Arabia
- Department of Microbiology and Immunology, Faculty of Pharmacy Al‐Azhar University Cairo Egypt
| | - Muzaffar Iqbal
- Department of Pharmaceutical Chemistry, College of Pharmacy King Saud University Riyadh Saudi Arabia
- Bioavailability Unit, Central Laboratory, College of Pharmacy King Saud University Riyadh Saudi Arabia
| | - Md. Khalid Anwer
- Department of Pharmaceutics, College of Pharmacy Prince Sattam Bin Abdulaziz University Al‐Kharj Saudi Arabia
| | - Mohammed H. Alqarni
- Department of Pharmacognosy, College of Pharmacy Prince Sattam Bin Abdulaziz University Al‐Kharj Saudi Arabia
| | - Faiyaz Shakeel
- Department of Pharmaceutics, College of Pharmacy King Saud University Riyadh Saudi Arabia
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6
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Banchero M. Supercritical Carbon Dioxide as a Green Alternative to Achieve Drug Complexation with Cyclodextrins. Pharmaceuticals (Basel) 2021; 14:ph14060562. [PMID: 34208286 PMCID: PMC8230899 DOI: 10.3390/ph14060562] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 06/07/2021] [Accepted: 06/08/2021] [Indexed: 11/29/2022] Open
Abstract
Cyclodextrins are widely used in pharmaceutics to enhance the bioavailability of many drugs. Conventional drug/cyclodextrin complexation techniques suffer from many drawbacks, such as a high residual content of toxic solvents in the formulations, the degradation of heat labile drugs and the difficulty in controlling the size and morphology of the product particles. These can be overcome by supercritical fluid technology thanks to the outstanding properties of supercritical CO2 (scCO2) such as its mild critical point, its tunable solvent power, and the absence of solvent residue after depressurization. In this work the use of scCO2 as an unconventional medium to achieve the complexation with native and substituted cyclodextrins of over 50 drugs, which belong to different classes, are reviewed. This can be achieved with different approaches such as the “supercritical solvent impregnation” and “particle-formation” techniques. The different techniques are discussed to point out how they affect the complexation mechanism and efficiency, the physical state of the drug as well as the particle size distribution and morphology, which finally condition the release kinetics and drug bioavailability. When applicable, the results obtained for the same drug with various cyclodextrins, or different complexation techniques are compared with those obtained with conventional approaches.
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Affiliation(s)
- Mauro Banchero
- Department of Applied Science and Technology, Politecnico di Torino, Corso Duca degli Abruzzi, 24, 10129 Torino, Italy
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7
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Elsayed MMA, Okda TM, Atwa GMK, Omran GA, Abd Elbaky AE, Ramadan AEH. Design and Optimization of Orally Administered Luteolin Nanoethosomes to Enhance Its Anti-Tumor Activity against Hepatocellular Carcinoma. Pharmaceutics 2021; 13:pharmaceutics13050648. [PMID: 34063274 PMCID: PMC8147467 DOI: 10.3390/pharmaceutics13050648] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2021] [Revised: 04/29/2021] [Accepted: 04/30/2021] [Indexed: 01/13/2023] Open
Abstract
Luteolin (LUT) is a natural flavonoid with low oral bioavailability with restricted clinical applications due to its low solubility. LUT shows significant anti-tumor activity in many cancer cells, including hepatocellular carcinoma (HCC). The most recent trend in pharmaceutical innovations is the application of phospholipid vesicles to improve the solubility of such hydrophobic drugs. Ethosomes are one of the most powerful phospholipid vesicles used to achieve that that target. In this study, LUT-loaded ethosomal nanoparticles (LUT-ENPs) were prepared by the cold method. Full factorial design and response surface methodology were used to analyze and optimize the selected formulation variables. Drug entrapment efficiency, vesicle size, zeta potential, Fourier transform infra-red spectroscopy, scanning electron microscopy, and cumulative percent drug released was estimated. The selected LUT-ENPs were subjected to further investigations as estimation of hepatic gene expression levels of GPC3, liver biomarkers, and oxidative stress biomarkers. The prepared LUT-ENPs were semi-spherical in shape with high entrapment efficiency. The prepared LUT-ENPs have a small particle size with high zeta potential values. The in vitro liver biomarkers assay revealed a significant decrease in the hepatic tissue nitric oxide (NO), malondialdehyde (MDA) content, and the expression of the GPC3 gene. Results showed a high increase in the hepatic tissue levels of glutathione (GSH) and superoxide dismutase (SOD). Histopathological examination showed a small number of hepatic adenomas and a significant decrease of neoplastic hepatic lesions after treatment with LUT-ENPs. Our results firmly suggest the distinctive anti-proliferative activity of LUT-ENPs as an oral drug delivery system for the treatment of HCC.
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Affiliation(s)
- Mahmoud M. A. Elsayed
- Department of Pharmaceutics and Clinical Pharmacy, Faculty of Pharmacy, Sohag University, P.O. Box 82524, Sohag 82524, Egypt
- Correspondence: ; Tel.: +20-1226770470
| | - Tarek M. Okda
- Department of Biochemistry, Faculty of Pharmacy, Damanhur University, Damanhur 22516, Egypt; (T.M.O.); (G.A.O.)
| | - Gamal M. K. Atwa
- Department of Biochemistry, Faculty of Pharmacy, Port Said University, Port Said 42515, Egypt; (G.M.K.A.); (A.E.A.E.)
| | - Gamal A. Omran
- Department of Biochemistry, Faculty of Pharmacy, Damanhur University, Damanhur 22516, Egypt; (T.M.O.); (G.A.O.)
| | - Atef E. Abd Elbaky
- Department of Biochemistry, Faculty of Pharmacy, Port Said University, Port Said 42515, Egypt; (G.M.K.A.); (A.E.A.E.)
| | - Abd El hakim Ramadan
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Port Said University, Port Said 42515, Egypt;
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8
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Ramachandran JP, Kottammal AP, Antony A, Ramakrishnan RM, Wallen SL, Raveendran P. Green processing: CO2-induced glassification of sucrose octaacetate and its implications in the spontaneous release of drug from drug-excipient composites. J CO2 UTIL 2021. [DOI: 10.1016/j.jcou.2021.101472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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9
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Sabry S, El hakim Ramadan A, Abd elghany M, Okda T, Hasan A. Formulation, characterization, and evaluation of the anti-tumor activity of nanosized galangin loaded niosomes on chemically induced hepatocellular carcinoma in rats. J Drug Deliv Sci Technol 2021. [DOI: 10.1016/j.jddst.2020.102163] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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10
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Preparation of non-steroidal anti-inflammatory drug/β-cyclodextrin inclusion complexes by supercritical antisolvent process. J CO2 UTIL 2021. [DOI: 10.1016/j.jcou.2020.101397] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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11
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Franco P, De Marco I. Formation of Rutin-β-Cyclodextrin Inclusion Complexes by Supercritical Antisolvent Precipitation. Polymers (Basel) 2021; 13:polym13020246. [PMID: 33450873 PMCID: PMC7828341 DOI: 10.3390/polym13020246] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 01/01/2021] [Accepted: 01/12/2021] [Indexed: 11/16/2022] Open
Abstract
In this work, rutin (RUT)–β-cyclodextrin (β-CD) inclusion complexes are prepared by Supercritical AntiSolvent (SAS) precipitation. Well-defined composite microparticles are obtained at guest:host ratios equal to 1:2 and 1:1 mol:mol. The dimensions of composite particles range between 1.45 ± 0.88 µm and 7.94 ± 2.12 µm. The formation of RUT–β-CD inclusion complexes has been proved by different analyses, including Fourier transform infrared spectroscopy, Differential Scanning Calorimetry, X-ray diffraction, and UV-vis spectroscopy. The dissolution tests reveal a significant improvement in the release rate of RUT from inclusion complexes. Indeed, compared to the unprocessed RUT, the dissolution rate is about 3.9 and 2.4 times faster in the case of the complexes RUT–β-CD 1:2 and 1:1 mol:mol, respectively. From a pharmaceutical/nutraceutical point of view, CD-based inclusion complexes allow the reduction of the polymer amount in the SAS composite formulations.
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Affiliation(s)
- Paola Franco
- Department of Industrial Engineering, University of Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano (SA), Italy
| | - Iolanda De Marco
- Department of Industrial Engineering, University of Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano (SA), Italy
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12
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Amara AAAF. Improving Animal Immunity to Prevent Fungal Infections with Folk Remedies and Advanced Medicine. FUNGAL DISEASES IN ANIMALS 2021:127-162. [DOI: 10.1007/978-3-030-69507-1_9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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13
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Study the structure and thermal properties of carboxymethylated-β-cyclodextrin inclusion complex with bifonazole. Polym J 2020. [DOI: 10.15407/polymerj.42.04.262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Recently, many technological methods of enhancing the solubility and dissolution characteristics of poorly water soluble drugs have been reported in the literature. Сyclodextrins are able to form water-soluble non-covalent inclusion complexes with many poorly soluble lipophilic drugs. The purpose of this study is to evaluate the possibility of interaction of the antifungal drug Bifonazole (BFZ) through complexation with carboxymethylated-β-cyclodextrin (КМ-β-CD). Based on the data obtained, we can conclude that the presence of KM-β-CD improves solubilization of BFZ more than 50 times. Кеуwords: cyclodextrins, solubility, poorly-water soluble drugs, bifonazole.
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Alsaif NA, Wani TA, Bakheit AH, Zargar S. Multi-spectroscopic investigation, molecular docking and molecular dynamic simulation of competitive interactions between flavonoids (quercetin and rutin) and sorafenib for binding to human serum albumin. Int J Biol Macromol 2020; 165:2451-2461. [DOI: 10.1016/j.ijbiomac.2020.10.098] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 10/13/2020] [Accepted: 10/13/2020] [Indexed: 12/18/2022]
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15
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Kumar D, Gihar S, Shrivash MK, Kumar P, Kundu PP. A review on the synthesis of graft copolymers of chitosan and their potential applications. Int J Biol Macromol 2020; 163:2097-2112. [PMID: 32949625 DOI: 10.1016/j.ijbiomac.2020.09.060] [Citation(s) in RCA: 71] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Revised: 08/25/2020] [Accepted: 09/10/2020] [Indexed: 12/13/2022]
Abstract
Chitosan is an antimicrobial, biodegradable and biocompatible natural polymer, commercially derived from the partial deacetylation of chitin. Currently modified chitosan has occupied a major part of scientific research. Modified chitosan has excellent biotic characteristics like biodegradation, antibacterial, immunological, metal-binding and metal adsorption capacity and wound-healing ability. Chitosan is an excellent candidate for drug delivery, food packaging and wastewater treatment and is also used as a supporting object for cell culture, gene delivery and tissue engineering. Modification of pure chitosan via grafting improves the native properties of chitosan. Chitosan grafted copolymers exhibit high significance and are extensively used in numerous fields. In this review, modifications of chitosan through several graft copolymerization techniques such as free radical, radiation, and enzymatic were reported and the properties of grafted chitosan were discussed. This review also discussed the applications of grafted chitosan in the fields of drug delivery, food packaging, antimicrobial, and metal adsorption as well as dye removal.
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Affiliation(s)
- Deepak Kumar
- Department of Applied Chemistry, M J P Rohilkhand University, Bareilly 243006, UP, India; Department of Chemical Engineering, Indian Institute of Technology, Roorkee 247667, India.
| | - Sachin Gihar
- Department of Applied Chemistry, M J P Rohilkhand University, Bareilly 243006, UP, India
| | - Manoj Kumar Shrivash
- Department of Applied Scieneses, Indian Institute of Information Technology, Road Devghat, Jhalwa, Prayagraj, UP 2110151, India
| | - Pramendra Kumar
- Department of Applied Chemistry, M J P Rohilkhand University, Bareilly 243006, UP, India
| | - Patit Paban Kundu
- Department of Chemical Engineering, Indian Institute of Technology, Roorkee 247667, India
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Jansook P, Prajapati M, Pruksakorn P, Loftsson T. Antifungal activity of econazole nitrate/cyclodextrin complex: Effect of pH and formation of complex aggregates. Int J Pharm 2020; 574:118896. [DOI: 10.1016/j.ijpharm.2019.118896] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Revised: 11/16/2019] [Accepted: 11/18/2019] [Indexed: 10/25/2022]
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17
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Adeoye O, Conceição J, Serra PA, Bento da Silva A, Duarte N, Guedes RC, Corvo MC, Aguiar-Ricardo A, Jicsinszky L, Casimiro T, Cabral-Marques H. Cyclodextrin solubilization and complexation of antiretroviral drug lopinavir: In silico prediction; Effects of derivatization, molar ratio and preparation method. Carbohydr Polym 2019; 227:115287. [PMID: 31590843 DOI: 10.1016/j.carbpol.2019.115287] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Revised: 08/12/2019] [Accepted: 09/02/2019] [Indexed: 01/03/2023]
Abstract
Lopinavir (LPV) is currently used in combination with ritonavir for the clinical management of HIV infections due to its limited oral bioavailability. Herein, we report the application of an in silico method to study cyclodextrin (CyD) host-guest molecular interaction with LPV for the rational selection of the best CyD for developing a CyD based LPV delivery system. The predicted CyD, a (2-hydroxy)propyl-gamma derivative with high degree of substitution (HP17-γ-CyD) was synthesized and comparatively evaluated with γ-CyD and the commercially available HP-γ-CyD. All complexes were prepared by supercritical assisted spray drying (SASD) and co-evaporation (CoEva) at molar ratios (1:1 and 1:2); and afterwards fully characterized. Results indicate a higher LPV amorphization and solubilization ability of HP17-γ-CyD. The SASD processing technology also enhanced LPV solubilization and release from complexes. The application of in silico methodologies is a feasible approach for the rational and/or deductive development of CyD drug delivery systems.
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Affiliation(s)
- Oluwatomide Adeoye
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Lisbon, Portugal
| | - Jaime Conceição
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Lisbon, Portugal; UCIBIO/REQUIMTE, MedTech - Laboratory of Pharmaceutical Technology, Department of Drug Sciences, Faculty of Pharmacy, University of Porto, Oporto, Portugal
| | - Patrícia A Serra
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Lisbon, Portugal
| | - Andreia Bento da Silva
- Faculdade de Farmácia da Universidade de Lisboa (FFULisboa), Avenida Prof. Gama Pinto, 1649-003, Lisboa, Portugal
| | - Noélia Duarte
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Lisbon, Portugal
| | - Rita C Guedes
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Lisbon, Portugal
| | - Marta C Corvo
- i3N|CENIMAT, Department of Materials Science, Faculty of Science and Technology, UNL, 2829-516, Caparica, Portugal
| | - Ana Aguiar-Ricardo
- LAQV-REQUIMTE, Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade NOVA de Lisboa, 2829-516, Caparica, Portugal
| | - László Jicsinszky
- Department of Drug Science and Technology, University of Turin, Via P. Giuria 9, 10125, Turin, Italy
| | - Teresa Casimiro
- LAQV-REQUIMTE, Departamento de Química, Faculdade de Ciências e Tecnologia, Universidade NOVA de Lisboa, 2829-516, Caparica, Portugal
| | - Helena Cabral-Marques
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Lisbon, Portugal.
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Arumugam SP, Balakrishnan SB, Ganesan V, Munisamy M, Kuppu SV, Narayanan V, Baskaralingam V, Jeyachandran S, Thambusamy S. In-vitro dissolution and microbial inhibition studies on anticancer drug etoposide with β-cyclodextrin. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 102:96-105. [DOI: 10.1016/j.msec.2019.04.033] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2017] [Revised: 04/04/2019] [Accepted: 04/12/2019] [Indexed: 01/28/2023]
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El-Feky GS, El-Naa MM, Mahmoud AA. Flexible nano-sized lipid vesicles for the transdermal delivery of colchicine; in vitro/in vivo investigation. J Drug Deliv Sci Technol 2019. [DOI: 10.1016/j.jddst.2018.10.036] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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Sun Q, Tang P, Zhao L, Pu H, Zhai Y, Li H. Mechanism and structure studies of cinnamaldehyde/cyclodextrins inclusions by computer simulation and NMR technology. Carbohydr Polym 2018; 194:294-302. [DOI: 10.1016/j.carbpol.2018.04.055] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Revised: 04/11/2018] [Accepted: 04/14/2018] [Indexed: 11/17/2022]
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21
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Souza SOL, Cotrim MAP, Oréfice RL, Carvalho SG, Dutra JAP, de Paula Careta F, Resende JA, Villanova JCO. Electrospun poly(ε-caprolactone) matrices containing silver sulfadiazine complexed with β-cyclodextrin as a new pharmaceutical dosage form to wound healing: preliminary physicochemical and biological evaluation. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2018; 29:67. [PMID: 29748753 DOI: 10.1007/s10856-018-6079-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2017] [Accepted: 04/21/2018] [Indexed: 06/08/2023]
Abstract
Cooperation between researchers in the areas of medical, pharmaceutical and materials science has facilitated the development of pharmaceutical dosage forms that elicit therapeutic effects and protective action with a single product. In addition to optimizing pharmacologic action, such dosage forms provide greater patient comfort and increase success and treatment compliance. In the present work, we prepared semipermeable bioactive electrospun fibers for use as wound dressings containing silver sulfadiazine complexed with β-cyclodextrin in a poly(Ɛ-caprolactone) nanofiber matrix aiming to reduce the direct contact between silver and skin and to modulate the drug release. Wound dressings were prepared by electrospinning, and were subjected to ATR-FT-IR and TG/DTG assays to evaluate drug stability. The hydrophilicity of the fibrous nanostructure in water and PBS buffer was studied by goniometry. Electrospun fibers permeability and swelling capacity were assessed, and a dissolution test was performed. In vitro biological tests were realized to investigate the biological compatibility and antimicrobial activity. We obtained flexible matrices that were each approximately 1.0 g in weight. The electrospun fibers were shown to be semipermeable, with water vapor transmission and swelling indexes compatible with the proposed objective. The hydrophilicity was moderate. Matrices containing pure drug modulated drug release adequately during 24 h but presented a high hemolytic index. Complexation promoted a decrease in the hemolytic index and in the drug release but did not negatively impact antimicrobial activity. The drug was released predominantly by diffusion. These results indicate that electrospun PCL matrices containing β-cyclodextrin/silver sulfadiazine inclusion complexes are a promising pharmaceutical dosage form for wound healing.
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Affiliation(s)
- Sarah Oliveira Lamas Souza
- Departamento de Engenharia Metalúrgica e de Materiais, Universidade Federal de Minas Gerais - UFMG, Av. Antônio Carlos, 6627, Bloco 2, Pampulha, 31.270-900, Belo Horizonte, MG, Brazil
| | - Monique Alvarenga Pinto Cotrim
- Departamento de Engenharia Metalúrgica e de Materiais, Universidade Federal de Minas Gerais - UFMG, Av. Antônio Carlos, 6627, Bloco 2, Pampulha, 31.270-900, Belo Horizonte, MG, Brazil
| | - Rodrigo Lambert Oréfice
- Departamento de Engenharia Metalúrgica e de Materiais, Universidade Federal de Minas Gerais - UFMG, Av. Antônio Carlos, 6627, Bloco 2, Pampulha, 31.270-900, Belo Horizonte, MG, Brazil
| | - Suzana Gonçalves Carvalho
- Universidade Federal do Espírito Santo - UFES, Departamento de Farmácia e Nutrição, Centro de Ciências Exatas, Naturais e de Saúde, Av. Alto Universitário, sem número, Guararema, Alegre, ES, 29.500-000, Brazil
| | - Jessyca Aparecida Paes Dutra
- Departamento de Farmácia, Centro de Ciências da Saúde, Universidade Federal do Espírito Santo - UFES, Av. Marechal Campos, 1468, Vitória, ES, 29.043-900, Brazil
| | - Francisco de Paula Careta
- Universidade Federal do Espírito Santo - UFES, Departamento de Farmácia e Nutrição, Centro de Ciências Exatas, Naturais e de Saúde, Av. Alto Universitário, sem número, Guararema, Alegre, ES, 29.500-000, Brazil
| | - Juliana Alves Resende
- Universidade Federal do Espírito Santo - UFES, Departamento de Farmácia e Nutrição, Centro de Ciências Exatas, Naturais e de Saúde, Av. Alto Universitário, sem número, Guararema, Alegre, ES, 29.500-000, Brazil
| | - Janaina Cecília Oliveira Villanova
- Universidade Federal do Espírito Santo - UFES, Departamento de Farmácia e Nutrição, Centro de Ciências Exatas, Naturais e de Saúde, Av. Alto Universitário, sem número, Guararema, Alegre, ES, 29.500-000, Brazil.
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Adeoye O, Costa C, Casimiro T, Aguiar-Ricardo A, Cabral-Marques H. Preparation of ibuprofen/hydroxypropyl-γ-cyclodextrin inclusion complexes using supercritical CO2-assisted spray drying. J Supercrit Fluids 2018. [DOI: 10.1016/j.supflu.2017.11.009] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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23
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Copper-based metal coordination complexes with Voriconazole ligand: Syntheses, structures and antimicrobial properties. J SOLID STATE CHEM 2018. [DOI: 10.1016/j.jssc.2017.12.029] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Ovchinnikova NA, Drobot DV, Eremenko IL, Mulyukina VA, Parshakov AS, Minaeva NA, Aleksandrov GG, Kirakosyan GA, Yakushev IA, Mikhailov YN, Surazhskaya MD, Ellert OG, Minin VV, Efimov NN, Kulikova ES. The Insertion of Carbon Dioxide in Combination with RNCS (R Is Et, Ph) or N,N′-Dihexylcarbodiimide into the Re–O(R) Bonds. RUSS J INORG CHEM+ 2018. [DOI: 10.1134/s003602361802016x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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25
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Moraes RC, Carvalho AR, Lana AJD, Kaiser S, Pippi B, Fuentefria AM, Ortega GG. In vitro synergism of a water insoluble fraction of Uncaria tomentosa combined with fluconazole and terbinafine against resistant non-Candida albicans isolates. PHARMACEUTICAL BIOLOGY 2017; 55:406-415. [PMID: 27931150 PMCID: PMC6130498 DOI: 10.1080/13880209.2016.1242631] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/26/2016] [Revised: 09/11/2016] [Accepted: 09/26/2016] [Indexed: 06/06/2023]
Abstract
CONTEXT Uncaria tomentosa D.C. (Rubiaceae) has several biological activities, including activity against resistant Candida strains. The synergistic interaction with terbinafine or fluconazole can be an important alternative to overcome this resistance. OBJECTIVES The potential synergy between a water insoluble fraction (WIF) from Uncaria tomentosa bark and the antifungals terbinafine (TRB) and fluconazole (FLZ) against non-Candida albicans resistant strains was investigated. MATERIALS AND METHODS TRB and FLZ, alone and combined with WIF, were tested by the checkerboard procedure using the micro-dilution technique against seven isolates of Candida glabrata and C. krusei. The molecular interactions occurring outside the cell wall were evaluated by scanning electron microscopy, Fourier transform infrared (FT-IR) and differential scanning calorimetry (DSC) analysis. RESULTS The checkerboard inhibitory assay demonstrated synergy for WIF:TRB and WIF:FLZ combinations, respectively. The best synergistic cell damage was demonstrated unequivocally for the associations of WIF and TRB (1.95:4.0 μg/mL) and WIF and FLZ (1.95:8.0 μg/mL). The comparison of the FT-IR spectra of the antifungal alone, and in combination with WIF, allows recognizing clear differences in 3000, 1600, 1400, and 700-800 cm-1 bands. Additionally, modifications on TRB and FLZ thermograms were clearly noticed after their combination with WIF. CONCLUSIONS DSC and infrared analysis demonstrated intermolecular interactions between WIF and either TRB or FLZ. Hence, quite likely the synergistic effect is related to interaction events occurring outside the cell wall between antifungal and cat's claw proanthocyanidins. A direct action on the cell wall is suggested, without connection with the ABC efflux pump mechanism.
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Affiliation(s)
- Renata Cougo Moraes
- Post-Graduate Program in Pharmaceutical Sciences (PPGCF), Faculty of Pharmacy, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Anderson Ramos Carvalho
- Post-Graduate Program in Pharmaceutical Sciences (PPGCF), Faculty of Pharmacy, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Aline Jacobi Dalla Lana
- Post-Graduate Program in Pharmaceutical Sciences (PPGCF), Faculty of Pharmacy, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Samuel Kaiser
- Post-Graduate Program in Pharmaceutical Sciences (PPGCF), Faculty of Pharmacy, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Bruna Pippi
- Post-Graduate Program in Agricultural and Environmental Microbiology (PPGMAA), Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Alexandre Meneghello Fuentefria
- Post-Graduate Program in Pharmaceutical Sciences (PPGCF), Faculty of Pharmacy, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
- Post-Graduate Program in Agricultural and Environmental Microbiology (PPGMAA), Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - George González Ortega
- Post-Graduate Program in Pharmaceutical Sciences (PPGCF), Faculty of Pharmacy, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
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26
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Tang GM, Han JY, Wang YT, Cui YZ, Ng SW. One Pranoprofen drug-based metal coordination polymer: Synthesis, structure and properties. Polyhedron 2017. [DOI: 10.1016/j.poly.2017.05.031] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Kankala RK, Zhang YS, Wang SB, Lee CH, Chen AZ. Supercritical Fluid Technology: An Emphasis on Drug Delivery and Related Biomedical Applications. Adv Healthc Mater 2017; 6:10.1002/adhm.201700433. [PMID: 28752598 PMCID: PMC5849475 DOI: 10.1002/adhm.201700433] [Citation(s) in RCA: 119] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2017] [Revised: 05/12/2017] [Indexed: 12/18/2022]
Abstract
During the past few decades, supercritical fluid (SCF) has emerged as an effective alternative for many traditional pharmaceutical manufacturing processes. Operating active pharmaceutical ingredients (APIs) alone or in combination with various biodegradable polymeric carriers in high-pressure conditions provides enhanced features with respect to their physical properties such as bioavailability enhancement, is of relevance to the application of SCF in the pharmaceutical industry. Herein, recent advances in drug delivery systems manufactured using the SCF technology are reviewed. We provide a brief description of the history, principle, and various preparation methods involved in the SCF technology. Next, we aim to give a brief overview, which provides an emphasis and discussion of recent reports using supercritical carbon dioxide (SC-CO2 ) for fabrication of polymeric carriers, for applications in areas related to drug delivery, tissue engineering, bio-imaging, and other biomedical applications. We finally summarize with perspectives.
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Affiliation(s)
- Ranjith Kumar Kankala
- College of Chemical Engineering, Huaqiao University, Xiamen, 361021, P. R. China
- Institute of Biomaterials and Tissue Engineering, Huaqiao University, Xiamen, 361021, P. R. China
- Fujian Provincial Key Laboratory of Biochemical Technology, Xiamen, 361021, P. R. China
| | - Yu Shrike Zhang
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, MA, 02139, USA
| | - Shi-Bin Wang
- College of Chemical Engineering, Huaqiao University, Xiamen, 361021, P. R. China
- Institute of Biomaterials and Tissue Engineering, Huaqiao University, Xiamen, 361021, P. R. China
- Fujian Provincial Key Laboratory of Biochemical Technology, Xiamen, 361021, P. R. China
| | - Chia-Hung Lee
- Department of Life Science and Institute of Biotechnology, National Dong Hwa University, Hualien, 97401, Taiwan
| | - Ai-Zheng Chen
- College of Chemical Engineering, Huaqiao University, Xiamen, 361021, P. R. China
- Institute of Biomaterials and Tissue Engineering, Huaqiao University, Xiamen, 361021, P. R. China
- Fujian Provincial Key Laboratory of Biochemical Technology, Xiamen, 361021, P. R. China
- Division of Engineering in Medicine, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Cambridge, MA, 02139, USA
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28
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Mathur M, Devi VK. Potential of novel drug delivery systems in the management of topical candidiasis. J Drug Target 2017; 25:685-703. [DOI: 10.1080/1061186x.2017.1331352] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Mahima Mathur
- Department of Pharmaceutics, Al-Ameen College of Pharmacy, Bangalore, India
| | - V. Kusum Devi
- Department of Pharmaceutics, Al-Ameen College of Pharmacy, Bangalore, India
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29
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Wang HB, Yang FF, Gai XM, Cheng BC, Li JY, Pan H, Yang XG, Pan WS. A pH-independent instantaneous release of flurbiprofen: a study of the preparation of complexes, their characterization and in vitro/in vivo evaluation. Drug Dev Ind Pharm 2017; 43:1460-1471. [PMID: 28402143 DOI: 10.1080/03639045.2017.1318908] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
In this study, furbiprofen/hydroxypropyl-β-cyclodextrin (HPβCD) inclusion complexes were prepared to improve the drug dissolution and facilitate its application in hydrophilic gels. Inclusion complexes were prepared using a supercritical fluid processing and a conventional optimized co-lypholization method was employed as a reference. The entrapment efficacy and drug loading of both methods were investigated. Evaluation of drug dissolution enhancement was conducted in deionized water as well as buffer solutions of different pH. Carbopol 940 gels of both flurbiprofen and flurbiprofen/HPβCD inclusion complexes, with or without penetration enhancers, were prepared and percutaneous permeation studies were performed using rat abdominal skin samples. Formation of flurbiprofen/HPβCD inclusion complexes was confirmed by Fourier transform-infrared spectroscopy, differential scanning calorimetry, X-ray diffraction and scanning electron microscopy. The results obtained showed that SCF processing produced a higher EE (81.91 ± 1.54%) and DL (6.96 ± 0.17%) compared with OCL with values of 69.11 ± 2.23% and 4.00 ± 1.01%, respectively. A marked instantaneous release of flurbiprofen/HPβCD inclusion complexes prepared by SCF processing (103.04 ± 2.66% cumulative release within 5 min, a 10-fold increase in comparison with flurbiprofen alone) was observed. In addition, this improvement in dissolution was shown to be pH-independent (the percentage cumulative release at pH 1.2, 4.5, 6.8 and 7.4 at 5 min was 95.19 ± 1.71, 101.75 ± 1.44, 105.37 ± 4.58 and 96.84 ± 0.56, respectively). Percutaneous permeability of flurbiprofen-in-HPβCD-in-gels could be significantly accelerated by turpentine oil and was related to the water content in the system. An in vivo pharmacokinetic study showed a 2-fold increase in Cmax and a shortened Tmax as well as a comparable relative bioavailability when compared with the commercial flurbiprofen Cataplasms (Zepolas®). With their superior dissolution, these flurbiprofen/HPβCD inclusion complexes prepared by SCF processing could provide improved applications for flurbiprofen.
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Affiliation(s)
- Han-Bing Wang
- a Department of Pharmaceutics, School of Pharmacy , Shenyang Pharmaceutical University , Liaoning , China
| | - Fei-Fei Yang
- a Department of Pharmaceutics, School of Pharmacy , Shenyang Pharmaceutical University , Liaoning , China
| | - Xiu-Mei Gai
- a Department of Pharmaceutics, School of Pharmacy , Shenyang Pharmaceutical University , Liaoning , China
| | - Bing-Chao Cheng
- a Department of Pharmaceutics, School of Pharmacy , Shenyang Pharmaceutical University , Liaoning , China
| | - Jin-Yu Li
- a Department of Pharmaceutics, School of Pharmacy , Shenyang Pharmaceutical University , Liaoning , China
| | - Hao Pan
- b College of Pharmacy , Liaoning University , Liaoning , China
| | - Xing-Gang Yang
- a Department of Pharmaceutics, School of Pharmacy , Shenyang Pharmaceutical University , Liaoning , China
| | - Wei-San Pan
- a Department of Pharmaceutics, School of Pharmacy , Shenyang Pharmaceutical University , Liaoning , China
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Tang P, Tang B, Wang Q, Xu K, Xiong X, Li H. Effect of hydroxypropyl-β-cyclodextrin on the bounding of salazosulfapyridine to human serum albumin. Int J Biol Macromol 2016; 92:105-115. [DOI: 10.1016/j.ijbiomac.2016.07.033] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2016] [Revised: 07/08/2016] [Accepted: 07/10/2016] [Indexed: 10/21/2022]
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31
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Zhao YM, Tang GM, Wang YT, Cui YZ. Synthesis, spectroscopic studies, antimicrobial activity, and crystal structure of a Zn(II) complex based on Voriconazole. J COORD CHEM 2016. [DOI: 10.1080/00958972.2016.1247953] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Yan-Ming Zhao
- Department of Chemical Engineering, Shandong Provincial Key Laboratory of Fine Chemicals, Qilu University of Technology, Jinan, PR China
| | - Gui-Mei Tang
- Department of Chemical Engineering, Shandong Provincial Key Laboratory of Fine Chemicals, Qilu University of Technology, Jinan, PR China
| | - Yong-Tao Wang
- Department of Chemical Engineering, Shandong Provincial Key Laboratory of Fine Chemicals, Qilu University of Technology, Jinan, PR China
| | - Yue-Zhi Cui
- Department of Chemical Engineering, Shandong Provincial Key Laboratory of Fine Chemicals, Qilu University of Technology, Jinan, PR China
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Pereva S, Sarafska T, Bogdanova S, Spassov Т. Efficiency of “cyclodextrin-ibuprofen” inclusion complex formation. J Drug Deliv Sci Technol 2016. [DOI: 10.1016/j.jddst.2016.04.006] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Solid-state flurbiprofen and methyl-β-cyclodextrin inclusion complexes prepared using a single-step, organic solvent-free supercritical fluid process. Eur J Pharm Biopharm 2016; 104:164-70. [PMID: 27163245 DOI: 10.1016/j.ejpb.2016.04.024] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2015] [Revised: 03/24/2016] [Accepted: 04/27/2016] [Indexed: 11/23/2022]
Abstract
The aim of this study was to enhance the apparent solubility and dissolution properties of flurbiprofen through inclusion complexation with cyclodextrins. Especially, the efficacy of supercritical fluid technology as a preparative technique for the preparation of flurbiprofen-methyl-β-cyclodextrin inclusion complexes was evaluated. The complexes were prepared by supercritical carbon dioxide processing and were evaluated by solubility, differential scanning calorimetry, X-ray powder diffraction, scanning electron microscopy, practical yield, drug content estimation and in vitro dissolution studies. Computational molecular docking studies were conducted to study the possibility of molecular arrangement of inclusion complexes between flurbiprofen and methyl-β-cyclodextrin. The studies support the formation of stable molecular inclusion complexes between the drug and cyclodextrin in a 1:1 stoichiometry. In vitro dissolution studies showed that the dissolution properties of flurbiprofen were significantly enhanced by the binary mixtures prepared by supercritical carbon dioxide processing. The amount of flurbiprofen dissolved into solution alone was very low with 1.11±0.09% dissolving at the end of 60min, while the binary mixtures processed by supercritical carbon dioxide at 45°C and 200bar released 99.39±2.34% of the drug at the end of 30min. All the binary mixtures processed by supercritical carbon dioxide at 45°C exhibited a drug release of more than 80% within the first 10min irrespective of the pressure employed. The study demonstrated the single step, organic solvent-free supercritical carbon dioxide process as a promising approach for the preparation of inclusion complexes between flurbiprofen and methyl-β-cyclodextrin in solid-state.
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Tang P, Ma X, Wu D, Li S, Xu K, Tang B, Li H. Posaconazole/hydroxypropyl-β-cyclodextrin host–guest system: Improving dissolution while maintaining antifungal activity. Carbohydr Polym 2016; 142:16-23. [DOI: 10.1016/j.carbpol.2016.01.042] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2015] [Revised: 01/14/2016] [Accepted: 01/18/2016] [Indexed: 10/22/2022]
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35
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Mihailiasa M, Caldera F, Li J, Peila R, Ferri A, Trotta F. Preparation of functionalized cotton fabrics by means of melatonin loaded β-cyclodextrin nanosponges. Carbohydr Polym 2016; 142:24-30. [DOI: 10.1016/j.carbpol.2016.01.024] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2015] [Revised: 12/04/2015] [Accepted: 01/11/2016] [Indexed: 01/08/2023]
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36
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Maged A, Mahmoud AA, Ghorab MM. Nano Spray Drying Technique as a Novel Approach To Formulate Stable Econazole Nitrate Nanosuspension Formulations for Ocular Use. Mol Pharm 2016; 13:2951-65. [PMID: 27010795 DOI: 10.1021/acs.molpharmaceut.6b00167] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The effect of using methyl-β-cyclodextrin and hydroxypropyl-β-cyclodextrin as carriers for econazole nitrate nanoparticles prepared by nano spray dryer was explored in this work. Stabilizers, namely, poly(ethylene oxide), polyvinylpyrrolidone k30, poloxamer 407, Tween 80, and Cremophor EL, were used. The nano spray dried formulations revealed almost spherical particles with an average particle size values ranging from 121 to 1565 nm and zeta potential values ranging from -0.8 to -2.5 mV. The yield values for the obtained formulations reached 80%. The presence of the drug in the amorphous state within the nanosuspension matrix system significantly improved drug release compared to that for pure drug. Combination of hydroxypropyl-β-cyclodextrin with Tween 80 achieved an important role for preserving the econazole nanosuspension from aggregation during storage for one year at room temperature as well as improving drug release from the nanosuspension. This selected formulation was suspended in chitosan HCl to increase drug release and bioavailability. The in vivo evaluation on albino rabbit's eyes demonstrated distinctly superior bioavailability of the selected formulation suspended in chitosan compared to its counterpart formulation suspended in buffer and crude drug suspension due to its mucoadhesive properties and nanosize. The nano spray dryer could serve as a one step technique toward formulating stable and effective nanosuspensions.
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Affiliation(s)
- Amr Maged
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmaceutical Sciences and Pharmaceutical Industries, Future University in Egypt , Cairo, Egypt
| | - Azza A Mahmoud
- Department of Pharmaceutics and Pharmaceutical Technology, Faculty of Pharmaceutical Sciences and Pharmaceutical Industries, Future University in Egypt , Cairo, Egypt.,Department of Pharmaceutical Technology, National Research Center , Dokki, Cairo, Egypt
| | - Mahmoud M Ghorab
- Department of Pharmaceutics, Faculty of Pharmacy, Cairo University , Cairo, Egypt
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Cyclodextrin based ternary system of modafinil: Effect of trimethyl chitosan and polyvinylpyrrolidone as complexing agents. Int J Biol Macromol 2016; 84:182-8. [DOI: 10.1016/j.ijbiomac.2015.11.075] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2015] [Revised: 11/23/2015] [Accepted: 11/25/2015] [Indexed: 11/18/2022]
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38
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Inclusion complexes of fluconazole with β-cyclodextrin and 2-hydroxypropyl-β-cyclodextrin in aqueous solution: preparation, characterization and a structural insight. J INCL PHENOM MACRO 2016. [DOI: 10.1007/s10847-016-0598-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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39
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Carbinatto FM, Ribeiro TS, Colnago LA, Evangelista RC, Cury BS. Preparation and Characterization of Amylose Inclusion Complexes for Drug Delivery Applications. J Pharm Sci 2016; 105:231-41. [DOI: 10.1002/jps.24702] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2015] [Revised: 09/13/2015] [Accepted: 09/22/2015] [Indexed: 11/10/2022]
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40
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Rudrangi SRS, Trivedi V, Mitchell JC, Wicks SR, Alexander BD. Preparation of olanzapine and methyl-β-cyclodextrin complexes using a single-step, organic solvent-free supercritical fluid process: An approach to enhance the solubility and dissolution properties. Int J Pharm 2015; 494:408-16. [DOI: 10.1016/j.ijpharm.2015.08.062] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2015] [Revised: 08/19/2015] [Accepted: 08/20/2015] [Indexed: 10/23/2022]
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Physicochemical characterizations of safranal-β-cyclodextrin inclusion complexes prepared by supercritical carbon dioxide and conventional methods. J INCL PHENOM MACRO 2015. [DOI: 10.1007/s10847-015-0555-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Mura P. Analytical techniques for characterization of cyclodextrin complexes in the solid state: A review. J Pharm Biomed Anal 2015; 113:226-38. [PMID: 25743620 DOI: 10.1016/j.jpba.2015.01.058] [Citation(s) in RCA: 172] [Impact Index Per Article: 19.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2015] [Accepted: 01/30/2015] [Indexed: 01/09/2023]
Abstract
Cyclodextrins are cyclic oligosaccharides able to form inclusion complexes with a variety of hydrophobic guest molecules, positively modifying their physicochemical properties. A thorough analytical characterization of cyclodextrin complexes is of fundamental importance to provide an adequate support in selection of the most suitable cyclodextrin for each guest molecule, and also in view of possible future patenting and marketing of drug-cyclodextrin formulations. The demonstration of the actual formation of a drug-cyclodextrin inclusion complex in solution does not guarantee its existence also in the solid state. Moreover, the technique used to prepare the solid complex can strongly influence the properties of the final product. Therefore, an appropriate characterization of the drug-cyclodextrin solid systems obtained has also a key role in driving in the choice of the most effective preparation method, able to maximize host-guest interactions. The analytical characterization of drug-cyclodextrin solid systems and the assessment of the actual inclusion complex formation is not a simple task and involves the combined use of several analytical techniques, whose results have to be evaluated together. The objective of the present review is to present a general prospect of the principal analytical techniques which can be employed for a suitable characterization of drug-cyclodextrin systems in the solid state, evidencing their respective potential advantages and limits. The applications of each examined technique are described and discussed by pertinent examples from literature.
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Affiliation(s)
- Paola Mura
- Department of Chemistry, School of Human Health Sciences, University of Florence, Via Schiff 6, Sesto Fiorentino, I-50019 Florence, Italy.
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Characterization of albendazole-randomly methylated-β-cyclodextrin inclusion complex and in vivo evaluation of its antihelmitic activity in a murine model of Trichinellosis. PLoS One 2014; 9:e113296. [PMID: 25406084 PMCID: PMC4236198 DOI: 10.1371/journal.pone.0113296] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2014] [Accepted: 10/24/2014] [Indexed: 11/23/2022] Open
Abstract
Albendazole is a benzimidazole carbamate extensively used in oral chemotherapy against intestinal parasites, due to its broad spectrum activity, good tolerance and low cost. However, the drug has the disadvantage of poor bioavailability due to its very low solubility in water; as a consequence, a very active area of research focuses on the development of new pharmaceutical formulations to increase its solubility, dissolution rate, and bioavailability. The primary objective of this study was to prepare randomly methylated β-cyclodextrins inclusion complexes to increase albendazole dissolution rate, in order to enhance its antiparasitic activity. This formulation therapeutic efficacy was contrasted with that of the pure drug by treating Trichinella spiralis infected mice during the intestinal phase of the parasite cycle, on days five and six post-infection. This protocol significantly decreased muscle larval burden measured in the parenteral stage on day 30 post-infection, when compared with the untreated control. Thus, it could be demonstrated that the inclusion complexes improve the in vivo therapeutic activity of albendazole.
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Choi SG, Lee SE, Kang BS, Ng CL, Davaa E, Park JS. Thermosensitive and mucoadhesive sol-gel composites of paclitaxel/dimethyl-β-cyclodextrin for buccal delivery. PLoS One 2014; 9:e109090. [PMID: 25275485 PMCID: PMC4183572 DOI: 10.1371/journal.pone.0109090] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2014] [Accepted: 09/07/2014] [Indexed: 11/18/2022] Open
Abstract
The purpose of this study was to develop a buccal paclitaxel delivery system using the thermosensitive polymer Pluronic F127 (PF127) and the mucoadhesive polymer polyethylene oxide (PEO). The anticancer agent paclitaxel is usually used to treat ovarian, breast, and non-small-cell lung cancer. To improve its aqueous solubility, paclitaxel was incorporated into an inclusion complex with (2,6-di-O-methyl)-β-cyclodextrin (DMβCD). The formation of the paclitaxel inclusion complex was evaluated using various techniques, including x-ray diffractometry (XRD), Fourier-transform infrared (FT-IR) spectrophotometry, differential scanning calorimetry (DSC), and scanning electron microscopy (SEM). Hydrogels were prepared using a cold method. Concentrations of 18, 20, and 23% (w/v) PF127 were dissolved in distilled water including paclitaxel and stored overnight in a refrigerator at 4 °C. PEO was added at concentrations of 0.1, 0.2, 0.4, 0.8, and 1% (w/v). Each formulation included paclitaxel (0.5 mg/mL). The sol-gel transition temperature of the hydrogels was measured using the tube-inverting method. Drug release from the hydrogels was measured using a Franz diffusion cell containing pH 7.4 phosphate-buffered solution (PBS) buffer at 37 °C. The cytotoxicity of each formulation was measured using the MTT assay with a human oral cancer cell (KB cell). The sol-gel transition temperature of the hydrogel decreased when PF127 was present and varied according to the presence of mucoadhesive polymers. The in vitro release was sustained and the release rate was slowed by the addition of the mucoadhesive polymer. The cytotoxicity of the blank formulation was low, although the drug-loaded hydrogel showed acceptable cytotoxicity. The results of our study suggest that the combination of a PF 127-based mucoadhesive hydrogel formulation and inclusion complexes improves the in vitro release and cytotoxic effect of paclitaxel.
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Affiliation(s)
- Soon Gil Choi
- College of Pharmacy, Chungnam National University, Daejeon, Republic of Korea
| | - Sang-Eun Lee
- College of Pharmacy, Chungnam National University, Daejeon, Republic of Korea
| | - Bong-Seok Kang
- College of Pharmacy, Chungnam National University, Daejeon, Republic of Korea
| | - Choon Lian Ng
- College of Pharmacy, Chungnam National University, Daejeon, Republic of Korea
| | - Enkhzaya Davaa
- College of Pharmacy, Chungnam National University, Daejeon, Republic of Korea
| | - Jeong-Sook Park
- College of Pharmacy, Chungnam National University, Daejeon, Republic of Korea
- * E-mail:
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García A, Leonardi D, Salazar MO, Lamas MC. Modified β-cyclodextrin inclusion complex to improve the physicochemical properties of albendazole. complete in vitro evaluation and characterization. PLoS One 2014; 9:e88234. [PMID: 24551084 PMCID: PMC3925136 DOI: 10.1371/journal.pone.0088234] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2013] [Accepted: 01/06/2014] [Indexed: 11/18/2022] Open
Abstract
The potential use of natural cyclodextrins and their synthetic derivatives have been studied extensively in pharmaceutical research and development to modify certain properties of hydrophobic drugs. The ability of these host molecules of including guest molecules within their cavities improves notably the physicochemical properties of poorly soluble drugs, such as albendazole, the first chosen drug to treat gastrointestinal helminthic infections. Thus, the aim of this work was to synthesize a beta cyclodextrin citrate derivative, to analyze its ability to form complexes with albendazole and to evaluate its solubility and dissolution rate. The synthesis progress of the cyclodextrin derivative was followed by electrospray mass spectrometry and the acid-base titration of the product. The derivative exhibited an important drug affinity. Nuclear magnetic resonance experiments demonstrated that the tail and the aromatic ring of the drug were inside the cavity of the cyclodextrin derivative. The inclusion complex was prepared by spray drying and full characterized. The drug dissolution rate displayed exceptional results, achieving 100% drug release after 20 minutes. The studies indicated that the inclusion complex with the cyclodextrin derivative improved remarkably the physicochemical properties of albendazole, being a suitable excipient to design oral dosage forms.
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Affiliation(s)
- Agustina García
- IQUIR-CONICET, Facultad de Ciencias Bioquímicas y Farmacéuticas, UNR, Rosario, Santa Fe, Argentina
- Área Técnica Farmacéutica, Facultad de Ciencias Bioquímicas y Farmacéuticas, UNR, Rosario, Santa Fe, Argentina
| | - Darío Leonardi
- IQUIR-CONICET, Facultad de Ciencias Bioquímicas y Farmacéuticas, UNR, Rosario, Santa Fe, Argentina
- Área Técnica Farmacéutica, Facultad de Ciencias Bioquímicas y Farmacéuticas, UNR, Rosario, Santa Fe, Argentina
- * E-mail: (DL); (MCL)
| | - Mario Oscar Salazar
- Área Farmacognosia, Facultad de Ciencias Bioquímicas y Farmacéuticas, UNR, Rosario, Santa Fe, Argentina
| | - María Celina Lamas
- IQUIR-CONICET, Facultad de Ciencias Bioquímicas y Farmacéuticas, UNR, Rosario, Santa Fe, Argentina
- Área Técnica Farmacéutica, Facultad de Ciencias Bioquímicas y Farmacéuticas, UNR, Rosario, Santa Fe, Argentina
- * E-mail: (DL); (MCL)
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Elkasabgy NA. Ocular supersaturated self-nanoemulsifying drug delivery systems (S-SNEDDS) to enhance econazole nitrate bioavailability. Int J Pharm 2013; 460:33-44. [PMID: 24184217 DOI: 10.1016/j.ijpharm.2013.10.044] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2013] [Revised: 10/20/2013] [Accepted: 10/25/2013] [Indexed: 10/26/2022]
Abstract
Econazole nitrate (ECO) is a poorly water soluble antifungal drug. Having low aqueous solubility affects negatively its use for ocular treatment. This work aimed to prepare ocular supersaturated self-nanoemulsifying drug delivery systems (S-SNEDDS) of ECO employing hydroxypropyl methylcellulose as a precipitation inhibitor to improve the drug solubility by avoiding its precipitation after administration. Various oils, surfactants and co-surfactants were used to construct SNEDDS. The SNEDDS were evaluated for globule size, polydispersity index and their irritation potential using hen's egg test-chorioallantoic membrane (HET-CAM). The best SNEDDS was loaded with ECO and HPMC to prepare S-SNEDDS. In-vitro precipitation test of the S-SNEDDS was done to study the effect of the precipitation inhibitor. ECO permeation in rabbits' eyes from the selected S-SNEDDS (with and without HPMC) was evaluated. The results showed that SNEDDS-X consisting of 20% Capmul(®) MCM C10 as an oil, 60% Cremophor RH40(®) as a surfactant and 20% Transcutol(®) HP as co-surfactant possessed the lowest PDI value and a non-irritant effect on the CAM. The in-vitro precipitation test showed that the use of HPMC successfully sustained the supersaturated state by avoiding ECO precipitation. Higher Cmax, AUC0-8 and longer tmax confirm the development of a successful ECO-loaded S-SNEDDS.
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Affiliation(s)
- Nermeen Adel Elkasabgy
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Cairo University, Kasr El-Aini, 11562 Cairo, Egypt.
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Real DA, Martinez MV, Frattini A, Soazo M, Luque AG, Biasoli MS, Salomon CJ, Olivieri AC, Leonardi D. Design, characterization, and in vitro evaluation of antifungal polymeric films. AAPS PharmSciTech 2013; 14:64-73. [PMID: 23225117 DOI: 10.1208/s12249-012-9894-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2012] [Accepted: 11/09/2012] [Indexed: 11/30/2022] Open
Abstract
The objective of the present paper was the development and the full characterization of antifungal films. Econazole nitrate (ECN) was loaded in a polymeric matrix formed by chitosan (CH) and carbopol 971NF (CB). Polyethylene glycol 400 and sorbitol were used as plasticizing agents. The mechanical properties of films were poorer when the drug was loaded, probably because crystals of ENC produces network outages and therefore reduces the polymeric interactions between the polymers. Polymers-ECN and CH-CB interactions were analyzed by Fourier-transform infrared spectroscopy (FTIR), thermal gravimetry analysis, and differential thermal analysis (DTA-TGA). ECN did not show structure alterations when loaded into the films. In scanning electron microphotographs and atomic force microscopy analysis, films prepared with CB showed an evident wrinkle pattern probably due to the strong interactions between the polymers, which were observed by FTIR and DTA-TGA. The in vitro activity of the formulations against Candida krusei and Candida parapsilosis was twice as greater as the commercial cream, probably as a result of the antifungal combination of the drug with the CH activity. All these results suggest that these polymeric films containing ECN are potential candidates in view of alternatives dosages forms for the treatment of the yeast assayed.
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Characterization of Ketoprofen/Methyl-β-Cyclodextrin Complexes Prepared Using Supercritical Carbon Dioxide. J CHEM-NY 2013. [DOI: 10.1155/2013/583952] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Complexes of methyl-β-cyclodextrin and ketoprofen, a crystalline anti-inflammatory drug with poor water solubility, have been prepared for the first time in the presence of supercritical CO2at 40°C and 20 MPa. The supercritical treatment allows these pharmaceutical formulations to be prepared without the use of any auxiliary agents or organic solvents. The treated samples were characterized through differential scanning calorimetry, X-ray diffractometry, and the Fourier transform infrared spectroscopy to exclude the presence of crystalline drug and check the formation of the complexes. The increase of the drug dissolution rate was investigated performing in vitro release tests in aqueous solutions. The results showed that the supercritical treatment can be an efficient method to obtain inclusion complexes with enhanced release kinetics. The operating methods of the release tests, that is, the “tablet method” or the “dispersed amount method,” affected both the dissolution rate and its dependence on the drug amount in the samples. On the contrary, the variation of the pH of the dissolution medium did not show any effect on the release rate of the supercritical complexes.
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Ghanghoria R, Kesharwani P, Agashe HB, Jain NK. Transdermal delivery of cyclodextrin-solubilized curcumin. Drug Deliv Transl Res 2012; 3:272-85. [DOI: 10.1007/s13346-012-0114-y] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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50
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Grandelli HE, Hassler JC, Whittington A, Kiran E. Melting point depression of Piroxicam in carbon dioxide+co-solvent mixtures and inclusion complex formation with β-cyclodextrin. J Supercrit Fluids 2012. [DOI: 10.1016/j.supflu.2012.07.001] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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