1
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Ferreira PO, de Almeida AC, Costa GDP, Torquetti C, Baptista JA, Eusébio MES, Caires FJ, Castro RAE. Norfloxacin Cocrystals: Mechanochemical Synthesis and Scale-up Viability Through Solubility Studies. J Pharm Sci 2023; 112:2230-2239. [PMID: 36921800 DOI: 10.1016/j.xphs.2023.03.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 03/08/2023] [Accepted: 03/08/2023] [Indexed: 03/14/2023]
Abstract
Cocrystals are recognized as one of the most efficient approaches to improve aqueous solubility of Biopharmaceutical Classification System, BCS, classes II and IV drugs. Cocrystal discovery and the establishment of experimental conditions suitable for scale-up purposes are some of the main challenges in cocrystal investigation. In this work, the investigation of mechanochemical synthesis of norfloxacin cocrystals with picolinic and isonicotinic acids is performed, leading to the discovery of two new cocrystals of this important BCS class IV antibiotic, which were characterized through thermal, spectral and diffractometric analysis. Norfloxacin apparent aqueous solubility using the cocrystals is also presented, with higher values being obtained for all the investigated systems when compared to the pure drug. Norfloxacin has 3 polymorphs and several solvents/hydrates, which represents a challenge for obtaining pure cocrystal forms from solvent crystallization. This challenge was successfully overcome in this work, as experimental conditions to obtain the pure cocrystals (the new ones and also norfloxacin-nicotinic acid and norfloxacin-saccharin) were established using Crystal16 equipment. This is a crucial step to envisage future scale-up procedures and therefore a valuable information for the pharmaceutical industry.
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Affiliation(s)
| | | | | | - Carolina Torquetti
- School of Sciences, São Paulo State University, 17033-360, Bauru, Brazil
| | - João A Baptista
- CQC/IMS, Chemistry Department, University of Coimbra, 3004-535, Coimbra, Portugal
| | | | - Flavio J Caires
- School of Sciences, São Paulo State University, 17033-360, Bauru, Brazil.
| | - Ricardo A E Castro
- CQC/IMS, Chemistry Department, University of Coimbra, 3004-535, Coimbra, Portugal; Faculty of Pharmacy, University of Coimbra, 3000-548, Coimbra, Portugal.
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2
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Mazurek AH, Szeleszczuk Ł. A Review of Applications of Solid-State Nuclear Magnetic Resonance (ssNMR) for the Analysis of Cyclodextrin-Including Systems. Int J Mol Sci 2023; 24:ijms24043648. [PMID: 36835054 PMCID: PMC9963175 DOI: 10.3390/ijms24043648] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 01/31/2023] [Accepted: 02/08/2023] [Indexed: 02/16/2023] Open
Abstract
Cyclodextrins, cyclic oligosaccharides composed of five or more α-D-glucopyranoside units linked by α-1,4 glycosidic bonds, are widely used both in their native forms as well as the components of more sophisticated materials. Over the last 30 years, solid-state nuclear magnetic resonance (ssNMR) has been used to characterize cyclodextrins (CDs) and CD-including systems, such as host-guest complexes or even more sophisticated macromolecules. In this review, the examples of such studies have been gathered and discussed. Due to the variety of possible ssNMR experiments, the most common approaches have been presented to provide the overview of the strategies employed to characterize those useful materials.
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Affiliation(s)
- Anna Helena Mazurek
- Department of Organic and Physical Chemistry, Faculty of Pharmacy, Medical University of Warsaw, Banacha 1 Str., 02-093 Warsaw, Poland
- Doctoral School, Medical University of Warsaw, Żwirki i Wigury 81 Str., 02-093 Warsaw, Poland
| | - Łukasz Szeleszczuk
- Department of Organic and Physical Chemistry, Faculty of Pharmacy, Medical University of Warsaw, Banacha 1 Str., 02-093 Warsaw, Poland
- Correspondence: ; Tel.: +48-501-255-121
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3
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Vakali V, Papadourakis M, Georgiou N, Zoupanou N, Diamantis DA, Javornik U, Papakyriakopoulou P, Plavec J, Valsami G, Tzakos AG, Tzeli D, Cournia Z, Mauromoustakos T. Comparative Interaction Studies of Quercetin with 2-Hydroxyl-propyl-β-cyclodextrin and 2,6-Methylated-β-cyclodextrin. Molecules 2022; 27:5490. [PMID: 36080258 PMCID: PMC9458201 DOI: 10.3390/molecules27175490] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 08/06/2022] [Accepted: 08/19/2022] [Indexed: 11/16/2022] Open
Abstract
Quercetin (QUE) is a well-known natural product that can exert beneficial properties on human health. However, due to its low solubility its bioavailability is limited. In the present study, we examine whether its formulation with two cyclodextrins (CDs) may enhance its pharmacological profile. Comparative interaction studies of quercetin with 2-hydroxyl-propyl-β-cyclodextrin (2HP-β-CD) and 2,6-methylated cyclodextrin (2,6Me-β-CD) were performed using NMR spectroscopy, DFT calculations, and in silico molecular dynamics (MD) simulations. Using T1 relaxation experiments and 2D DOSY it was illustrated that both cyclodextrin vehicles can host quercetin. Quantum mechanical calculations showed the formation of hydrogen bonds between QUE with 2HP-β-CD and 2,6Μe-β-CD. Six hydrogen bonds are formed ranging between 2 to 2.8 Å with 2HP-β-CD and four hydrogen bonds within 2.8 Å with 2,6Μe-β-CD. Calculations of absolute binding free energies show that quercetin binds favorably to both 2,6Me-β-CD and 2HP-β-CD. MM/GBSA results show equally favorable binding of quercetin in the two CDs. Fluorescence spectroscopy shows moderate binding of quercetin in 2HP-β-CD (520 M-1) and 2,6Me-β-CD (770 M-1). Thus, we propose that both formulations (2HP-β-CD:quercetin, 2,6Me-β-CD:quercetin) could be further explored and exploited as small molecule carriers in biological studies.
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Affiliation(s)
- Vasiliki Vakali
- Organic Chemistry Laboratory, Department of Chemistry, National and Kapodistrian University of Athens, Panepistimiopollis Zografou, 11571 Athens, Greece
| | - Michail Papadourakis
- Biomedical Research Foundation Academy of Athens, 4 Soranou Ephessiou, 11527 Athens, Greece
| | - Nikitas Georgiou
- Organic Chemistry Laboratory, Department of Chemistry, National and Kapodistrian University of Athens, Panepistimiopollis Zografou, 11571 Athens, Greece
| | - Nikoletta Zoupanou
- Organic Chemistry Laboratory, Department of Chemistry, National and Kapodistrian University of Athens, Panepistimiopollis Zografou, 11571 Athens, Greece
| | - Dimitrios A. Diamantis
- Department of Chemistry, Section of Organic Chemistry and Biochemistry, University of Ioannina, 45110 Ioannina, Greece
| | - Uroš Javornik
- Slovenian NMR Centre, National Institute of Chemistry, SI-1001 Ljubljana, Slovenia
| | - Paraskevi Papakyriakopoulou
- Department of Pharmacy, School of Health Sciences, National and Kapodistrian University of Athens, 15784 Athens, Greece
| | - Janez Plavec
- Slovenian NMR Centre, National Institute of Chemistry, SI-1001 Ljubljana, Slovenia
| | - Georgia Valsami
- Department of Pharmacy, School of Health Sciences, National and Kapodistrian University of Athens, 15784 Athens, Greece
| | - Andreas G. Tzakos
- Department of Chemistry, Section of Organic Chemistry and Biochemistry, University of Ioannina, 45110 Ioannina, Greece
- Institute of Materials Science and Computing, University Research Center of Ioannina (URCI), 45110 Ioannina, Greece
| | - Demeter Tzeli
- Laboratory of Physical Chemistry, Department of Chemistry, National and Kapodistrian University of Athens, Panepistimioupolis Zografou, 11571 Athens, Greece
- Theoretical and Physical Chemistry Institute, National Hellenic Research Foundation, 11635 Athens, Greece
| | - Zoe Cournia
- Biomedical Research Foundation Academy of Athens, 4 Soranou Ephessiou, 11527 Athens, Greece
| | - Thomas Mauromoustakos
- Organic Chemistry Laboratory, Department of Chemistry, National and Kapodistrian University of Athens, Panepistimiopollis Zografou, 11571 Athens, Greece
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4
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Cyclodextrin Inclusion Complexes with Antibiotics and Antibacterial Agents as Drug-Delivery Systems—A Pharmaceutical Perspective. Pharmaceutics 2022; 14:pharmaceutics14071389. [PMID: 35890285 PMCID: PMC9323747 DOI: 10.3390/pharmaceutics14071389] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 06/23/2022] [Accepted: 06/27/2022] [Indexed: 02/06/2023] Open
Abstract
Cyclodextrins (CDs) are a family of cyclic oligosaccharides, consisting of a macrocyclic ring of glucose subunits linked by α-1,4 glycosidic bonds. The shape of CD molecules is similar to a truncated cone with a hydrophobic inner cavity and a hydrophilic surface, which allows the formation of inclusion complexes with various molecules. This review article summarises over 200 reports published by the end of 2021 that discuss the complexation of CDs with antibiotics and antibacterial agents, including beta-lactams, tetracyclines, quinolones, macrolides, aminoglycosides, glycopeptides, polypeptides, nitroimidazoles, and oxazolidinones. The review focuses on drug-delivery applications such as improving solubility, modifying the drug-release profile, slowing down the degradation of the drug, improving biological membrane permeability, and enhancing antimicrobial activity. In addition to simple drug/CD combinations, ternary systems with additional auxiliary substances have been described, as well as more sophisticated drug-delivery systems including nanosponges, nanofibres, nanoparticles, microparticles, liposomes, hydrogels, and macromolecules. Depending on the desired properties of the drug product, an accelerated or prolonged dissolution profile can be achieved when combining CD with antibiotics or antimicrobial agents.
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5
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Applications of NMR in Drug:Cyclodextrin Complexes. Methods Mol Biol 2020. [PMID: 33113144 DOI: 10.1007/978-1-0716-0920-0_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
Abstract
NMR spectroscopy is an effective technique, applicable for studying bioactive materials or drug delivery systems in order to obtain comprehensive details related to structural and dynamic characteristics at atomic resolution. The applications of NMR spectroscopy have been increased considerably as a result of the combination of advancement in technological NMR instrumentation and scientific knowledge. This chapter is dedicated to highlight the applications of NMR spectroscopy in drug:cyclodextrin complexes using both liquid- and solid-state NMR spectroscopy.
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Andreadelis I, Chatziathanasiadou ΜV, Ntountaniotis D, Valsami G, Papaemmanouil C, Christodoulou E, Mitropoulou G, Kourkoutas Y, Tzakos AG, Mavromoustakos T. Charting the structural and thermodynamic determinants in phenolic acid natural product - cyclodextrin encapsulations. J Biomol Struct Dyn 2020; 39:2642-2658. [PMID: 32249691 DOI: 10.1080/07391102.2020.1751716] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Cyclodextrins are pliable platforms that have served to optimize the pharmaceutic profile of numerous compounds and to enhance the stability of natural food additives. Caffeic and rosmarinic acid are natural products with proven health benefits, though their full therapeutic potential has not been exploited. To enhance their pharmaceutic profile, we developed cyclodextrin-based formulates and unveiled their thermodynamic and structural principles. The complexes' stoichiometry was determined by ESI-MS. Solid-state and liquid NMR spectroscopy revealed the interactions and the topographical location of the caffeic and rosmarinic acid inside the cyclodextrin cavity. The theoretically analyzed HP-β-CD's degree of substitution (DS) of caffeic and rosmarinic acids can explain the intensities obtained by 2D NOESY experiments. The thermodynamics and the affinity of the complexes were evaluated through isothermal titration calorimetry. In addition, the rosmarinic and caffeic acids as, also, their complexes showed considerable antimicrobial activity against common food spoilage and pathogenic bacteria. The generated data could provide the basis to understand the structural and thermodynamic determinants implicated in natural products - CD recognition and to develop platforms for the optimization of their pharmaceutical and stability profiles in order to be utilized as safe and stable natural antimicrobial food additives.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Ioannis Andreadelis
- Department of Chemistry, National and Kapodistrian University of Athens, Athens, Greece
| | - Μaria V Chatziathanasiadou
- Department of Chemistry, Section of Organic Chemistry and Biochemistry, University of Ioannina, Ioannina, Greece
| | | | - Georgia Valsami
- Department of Pharmacy, School of Health Sciences, National and Kapodistrian University of Athens, Greece
| | - Christina Papaemmanouil
- Department of Chemistry, Section of Organic Chemistry and Biochemistry, University of Ioannina, Ioannina, Greece
| | - Eirini Christodoulou
- Department of Pharmacy, School of Health Sciences, National and Kapodistrian University of Athens, Greece
| | - Gregoria Mitropoulou
- Laboratory of Applied Microbiology & Biotechnology, Department of Molecular Biology & Genetics, Democritus University of Thrace, Alexandroupolis, Greece
| | - Yiannis Kourkoutas
- Laboratory of Applied Microbiology & Biotechnology, Department of Molecular Biology & Genetics, Democritus University of Thrace, Alexandroupolis, Greece
| | - Andreas G Tzakos
- Department of Chemistry, Section of Organic Chemistry and Biochemistry, University of Ioannina, Ioannina, Greece
| | - Thomas Mavromoustakos
- Department of Chemistry, National and Kapodistrian University of Athens, Athens, Greece
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7
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Bueno MS, Chierentin L, Bongioanni A, Nunes Salgado HR, Longhi MR, Garnero C. β-cyclodextrin complexation as an approach to enhance the biopharmaceutical properties of Norfloxacin B Hydrate. Carbohydr Res 2019; 485:107818. [PMID: 31542588 DOI: 10.1016/j.carres.2019.107818] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Revised: 09/12/2019] [Accepted: 09/12/2019] [Indexed: 10/26/2022]
Abstract
Binary systems of Norfloxacin B Hydrate with β-CD were explored by reliable biopharmaceutical studies as potential candidates for the preparation of drug delivery systems. Initially, studies of antimicrobial activity and solubility of the different polymorphic forms of Norfloxacin provided evidence to select Norfloxacin B Hydrate as the optimal solid form of Norfloxacin. Solid binary systems were preparing by kneading, freeze-drying, and physical mixture methods. The influence on the solubility, dissolution rate and chemical stability of Norfloxacin B Hydrate was investigated. These studies showed an increment of solubility and dissolution rate in physiological simulated fluids. However, the solid systems were moderated hygroscopically under accelerated storage conditions, which produces a destabilizing effect that accelerated the chemical reactivity of the drug in such conditions. Therefore, special cares must be considered in the manufacturing process and the packaging selection. Moreover, the experimental results proved that freeze-drying was not an appropriate method for the preparation. In conclusion, the Norfloxacin oral bioavailability can be improved with this binary systems, that could be applied in the production of an alternative pharmaceutical formulation of the drug.
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Affiliation(s)
- Maria Soledad Bueno
- Unidad de Investigación y Desarrollo en Tecnología Farmacéutica (UNITEFA) CONICET and Departamento de Ciencias Farmacéuticas, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, X5000HUA Córdoba, Argentina.
| | - Lucas Chierentin
- Faculdade de Ciências Farmacêuticas, Universidade Estadual Paulista, Rodovia Araraquara-Jaú, Km 1, CEP: 14801-902, Araraquara, São Paulo, Brazil.
| | - Agustina Bongioanni
- Unidad de Investigación y Desarrollo en Tecnología Farmacéutica (UNITEFA) CONICET and Departamento de Ciencias Farmacéuticas, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, X5000HUA Córdoba, Argentina.
| | - Hérida Regina Nunes Salgado
- Faculdade de Ciências Farmacêuticas, Universidade Estadual Paulista, Rodovia Araraquara-Jaú, Km 1, CEP: 14801-902, Araraquara, São Paulo, Brazil.
| | - Marcela Raquel Longhi
- Unidad de Investigación y Desarrollo en Tecnología Farmacéutica (UNITEFA) CONICET and Departamento de Ciencias Farmacéuticas, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, X5000HUA Córdoba, Argentina.
| | - Claudia Garnero
- Unidad de Investigación y Desarrollo en Tecnología Farmacéutica (UNITEFA) CONICET and Departamento de Ciencias Farmacéuticas, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Ciudad Universitaria, X5000HUA Córdoba, Argentina.
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8
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Inclusion complexes of β-cyclodextrin and polymorphs of mebendazole: Physicochemical characterization. Eur J Pharm Sci 2019; 127:330-338. [DOI: 10.1016/j.ejps.2018.11.012] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2018] [Revised: 11/01/2018] [Accepted: 11/12/2018] [Indexed: 02/05/2023]
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9
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Garnero C, Chattah AK, Aloisio C, Fabietti L, Longhi M. Improving the Stability and the Pharmaceutical Properties of Norfloxacin Form C Through Binary Complexes with β-Cyclodextrin. AAPS PharmSciTech 2018; 19:2255-2263. [PMID: 29748896 DOI: 10.1208/s12249-018-1033-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2018] [Accepted: 04/24/2018] [Indexed: 11/30/2022] Open
Abstract
Norfloxacin, an antibiotic that exists in different solid forms, has very unfavorable properties in terms of solubility and stability. Binary complexes of norfloxacin, in the solid form C, and β-cyclodextrin were procured by the kneading method and physical mixture. Their effect on the solubility, the dissolution rate, and the chemical and physical stability of norfloxacin was evaluated. To perform stability studies, the solid samples were stored under accelerated storage conditions, for a period of 6 months. Physical stability was monitored through powder X-ray diffraction, high-resolution 13C solid-state nuclear magnetic resonance, and scanning electron microscopy. The results showed evidence that the kneaded complex increased and modulated the dissolution rate of norfloxacin C. Furthermore, it was demonstrated that the photochemical stability was increased in the complex, without affecting its physical stability. The results point to the conclusion that the new kneading complex of norfloxacin constitutes an alternative tool to formulate a potential oral drug delivery system with improve oral bioavailability.
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10
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Toward novel antiparasitic formulations: Complexes of Albendazole desmotropes and β-cyclodextrin. Carbohydr Polym 2017; 164:379-385. [DOI: 10.1016/j.carbpol.2017.01.098] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2016] [Revised: 01/26/2017] [Accepted: 01/28/2017] [Indexed: 11/18/2022]
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11
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Marchetti A, Chen J, Pang Z, Li S, Ling D, Deng F, Kong X. Understanding Surface and Interfacial Chemistry in Functional Nanomaterials via Solid-State NMR. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2017; 29:1605895. [PMID: 28247966 DOI: 10.1002/adma.201605895] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2016] [Revised: 12/26/2016] [Indexed: 05/24/2023]
Abstract
Surface and interfacial chemistry is of fundamental importance in functional nanomaterials applied in catalysis, energy storage and conversion, medicine, and other nanotechnologies. It has been a perpetual challenge for the scientific community to get an accurate and comprehensive picture of the structures, dynamics, and interactions at interfaces. Here, some recent examples in the major disciplines of nanomaterials are selected (e.g., nanoporous materials, battery materials, nanocrystals and quantum dots, supramolecular assemblies, drug-delivery systems, ionomers, and graphite oxides) and it is shown how interfacial chemistry can be addressed through the perspective of solid-state NMR characterization techniques.
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Affiliation(s)
- Alessandro Marchetti
- Center for Chemistry of High-Performance & Novel Materials, Department of Chemistry, Zhejiang University, Hangzhou, 310027, P. R. China
| | - Juner Chen
- Center for Chemistry of High-Performance & Novel Materials, Department of Chemistry, Zhejiang University, Hangzhou, 310027, P. R. China
| | - Zhenfeng Pang
- Center for Chemistry of High-Performance & Novel Materials, Department of Chemistry, Zhejiang University, Hangzhou, 310027, P. R. China
| | - Shenhui Li
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan, 430071, P. R. China
| | - Daishun Ling
- Institute of Pharmaceutics, College of Pharmaceutical Sciences, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, P. R. China
| | - Feng Deng
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan, 430071, P. R. China
| | - Xueqian Kong
- Center for Chemistry of High-Performance & Novel Materials, Department of Chemistry, Zhejiang University, Hangzhou, 310027, P. R. China
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12
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Liossi ΑS, Ntountaniotis D, Kellici TF, Chatziathanasiadou MV, Megariotis G, Mania M, Becker-Baldus J, Kriechbaum M, Krajnc A, Christodoulou E, Glaubitz C, Rappolt M, Amenitsch H, Mali G, Theodorou DN, Valsami G, Pitsikalis M, Iatrou H, Tzakos AG, Mavromoustakos T. Exploring the interactions of irbesartan and irbesartan-2-hydroxypropyl-β-cyclodextrin complex with model membranes. BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES 2017; 1859:1089-1098. [PMID: 28274845 DOI: 10.1016/j.bbamem.2017.03.003] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2016] [Revised: 02/15/2017] [Accepted: 03/03/2017] [Indexed: 10/20/2022]
Abstract
The interactions of irbesartan (IRB) and irbesartan-2-hydroxypropyl-β-cyclodextrin (HP-β-CD) complex with dipalmitoyl phosphatidylcholine (DPPC) bilayers have been explored utilizing an array of biophysical techniques ranging from differential scanning calorimetry (DSC), small angle X-ray scattering (SAXS), ESI mass spectrometry (ESI-MS) and solid state nuclear magnetic resonance (ssNMR). Molecular dynamics (MD) calculations have been also conducted to complement the experimental results. Irbesartan was found to be embedded in the lipid membrane core and to affect the phase transition properties of the DPPC bilayers. SAXS studies revealed that irbesartan alone does not display perfect solvation since some coexisting irbesartan crystallites are present. In its complexed form IRB gets fully solvated in the membranes showing that encapsulation of IRB in HP-β-CD may have beneficial effects in the ADME properties of this drug. MD experiments revealed the topological and orientational integration of irbesartan into the phospholipid bilayer being placed at about 1nm from the membrane centre.
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Affiliation(s)
- Αdamantia S Liossi
- Department of Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis Zografou 15771, Greece
| | - Dimitrios Ntountaniotis
- Department of Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis Zografou 15771, Greece
| | - Tahsin F Kellici
- Department of Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis Zografou 15771, Greece; Department of Chemistry, University of Ioannina, GR-45110, Greece
| | | | - Grigorios Megariotis
- School of Chemical Engineering, National Technical University of Athens, Athens, Greece
| | - Maria Mania
- Department of Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis Zografou 15771, Greece; Department of Chemistry, University of Patras, Rio 26510, Greece
| | - Johanna Becker-Baldus
- Institute of Biophysical Chemistry and Centre for Biomolecular Magnetic Resonance, Goethe-University Frankfurt, Max-von-Laue-Str. 9, 60438 Frankfurt, Germany
| | - Manfred Kriechbaum
- Institute of Inorganic Chemistry, Graz University of Technology, Stremayrgasse 9/5, A-8010 Graz, Austria
| | - Andraž Krajnc
- National Institute of Chemistry, Hajdrihova 19, SI-1001 Ljubljana, Slovenia
| | - Eirini Christodoulou
- Department of Pharmacy, National and Kapodistrian University of Athens, Panepistimiopolis Zografou 15771, Greece
| | - Clemens Glaubitz
- Institute of Biophysical Chemistry and Centre for Biomolecular Magnetic Resonance, Goethe-University Frankfurt, Max-von-Laue-Str. 9, 60438 Frankfurt, Germany
| | - Michael Rappolt
- School of Food Science and Nutrition, University of Leeds, Leeds LS2 9JT, UK
| | - Heinz Amenitsch
- Institute of Inorganic Chemistry, Graz University of Technology, Stremayrgasse 9/5, A-8010 Graz, Austria
| | - Gregor Mali
- National Institute of Chemistry, Hajdrihova 19, SI-1001 Ljubljana, Slovenia
| | - Doros N Theodorou
- School of Chemical Engineering, National Technical University of Athens, Athens, Greece
| | - Georgia Valsami
- Department of Pharmacy, National and Kapodistrian University of Athens, Panepistimiopolis Zografou 15771, Greece
| | - Marinos Pitsikalis
- Department of Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis Zografou 15771, Greece
| | - Hermis Iatrou
- Department of Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis Zografou 15771, Greece
| | - Andreas G Tzakos
- Department of Chemistry, University of Ioannina, GR-45110, Greece
| | - Thomas Mavromoustakos
- Department of Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis Zografou 15771, Greece; Department of Chemistry, York College and the Graduate Center of the City University of New York, 94-20 Guy R. Brewer Blvd., Jamaica, New York, 11451, United States.
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13
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Mapping the interactions and bioactivity of quercetin(2-hydroxypropyl)-β-cyclodextrin complex. Int J Pharm 2016; 511:303-311. [DOI: 10.1016/j.ijpharm.2016.07.008] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2016] [Accepted: 07/06/2016] [Indexed: 11/21/2022]
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14
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Effect of preparation processes and structural insight into the supermolecular system: Bisacodyl and β-cyclodextrin inclusion complex. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2015; 58:224-32. [PMID: 26478306 DOI: 10.1016/j.msec.2015.08.036] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2015] [Revised: 07/20/2015] [Accepted: 08/22/2015] [Indexed: 12/14/2022]
Abstract
In this study, β-cyclodextrin (β-CD) and bisacodyl were chosen as model host and guest molecule to explore the effect of preparation processes on the physicochemical properties of inclusion complexes (ICs) and to gain an insight into the structure of ICs. The influence of temperature and pH on complexation was studied by multiple temperature-pH phase solubility analysis. The most favorable conformation was predicted by molecular modeling using AutoDock. (1)H nuclear magnetic resonance and rotating frame nuclear Overhauser effect spectroscopy further confirmed the structure. Moreover, bisacodyl · β-CD ICs in solid state were successfully prepared via three different procedures (co-crystallization, co-evaporation, and co-grinding) and fully characterized by several solid-state techniques, namely, Fourier transform infrared spectroscopy, X-ray powder diffraction, thermogravimetric analysis, differential scanning calorimetry, solid-state NMR spectroscopy, and scanning electron microscopy. It was found that acid solution and low temperature were unfavorable for formation of bisacodyl · β-CD. The pyridine moiety was suggested to be enclosed in the hydrophobic cavity of β-CD. The complexes prepared using co-crystallization showed properties similar to those prepared using co-evaporation. Moreover, ICs obtained by co-evaporation and co-grinding had higher loading efficiency, water solubility, and dissolution rate than ICs obtained by co-crystallization.
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Chierentin L, Garnero C, Chattah AK, Delvadia P, Karnes T, Longhi MR, Salgado HRN. Influence of β-cyclodextrin on the Properties of Norfloxacin Form A. AAPS PharmSciTech 2015; 16:683-91. [PMID: 25511811 DOI: 10.1208/s12249-014-0259-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2014] [Accepted: 12/01/2014] [Indexed: 11/30/2022] Open
Abstract
Cyclodextrins are able to form host-guest complexes with hydrophobic molecules to result in the formation of inclusion complexes. The complex formation between norfloxacin form A and β-cyclodextrin was studied by exploring its structure affinity relationship in an aqueous solution and in the solid state. Kneading, freeze-drying, and physical mixture methods were employed to prepare solid complexes of norfloxacin and β-cyclodextrin. The solubility of norfloxacin significantly increased upon complexation with β-cyclodextrin as demonstrated by a solubility isotherm of the AL type along with the results of an intrinsic dissolution study. The complexes were also characterized in the solid stated by differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), Fourier-transform infrared (FT-IR) spectroscopy, X-ray diffractometry, scanning electron microscopy (SEM), and solid-state nuclear magnetic resonance (ssNMR) spectrometry. The thermal analysis showed that the thermal stability of the drug is enhanced in the presence of β-cyclodextrin. Finally, the microbiological studies showed that the complexes have better potency when compared with pure drug.
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Kellici TF, Ntountaniotis D, Leonis G, Chatziathanasiadou M, Chatzikonstantinou AV, Becker-Baldus J, Glaubitz C, Tzakos AG, Viras K, Chatzigeorgiou P, Tzimas S, Kefala E, Valsami G, Archontaki H, Papadopoulos MG, Mavromoustakos T. Investigation of the Interactions of Silibinin with 2-Hydroxypropyl-β-cyclodextrin through Biophysical Techniques and Computational Methods. Mol Pharm 2015; 12:954-65. [DOI: 10.1021/mp5008053] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Tahsin F. Kellici
- Department
of Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis
Zografou 15771, Greece
- Department
of Chemistry, University of Ioannina, Ioannina 45110, Greece
| | - Dimitrios Ntountaniotis
- Department
of Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis
Zografou 15771, Greece
| | - Georgios Leonis
- Institute
of Biology, Medicinal Chemistry and Biotechnology, National Hellenic Research Foundation, 48 Vas. Constantinou Avenue, 11635 Athens, Greece
| | | | | | - Johanna Becker-Baldus
- Institute
of Biophysical Chemistry, Goethe University Frankfurt, Max-von-Laue-Str.
9, 60438 Frankfurt, Germany
| | - Clemens Glaubitz
- Institute
of Biophysical Chemistry, Goethe University Frankfurt, Max-von-Laue-Str.
9, 60438 Frankfurt, Germany
| | - Andreas G. Tzakos
- Department
of Chemistry, University of Ioannina, Ioannina 45110, Greece
| | - Kyriakos Viras
- Department
of Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis
Zografou 15771, Greece
| | - Petros Chatzigeorgiou
- Department
of Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis
Zografou 15771, Greece
| | - Stavros Tzimas
- Department
of Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis
Zografou 15771, Greece
| | - Evangelia Kefala
- Department
of Pharmacy, National and Kapodistrian University of Athens, Panepistimiopolis Zografou 15771, Greece
| | - Georgia Valsami
- Department
of Pharmacy, National and Kapodistrian University of Athens, Panepistimiopolis Zografou 15771, Greece
| | - Helen Archontaki
- Department
of Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis
Zografou 15771, Greece
| | - Manthos G. Papadopoulos
- Institute
of Biology, Medicinal Chemistry and Biotechnology, National Hellenic Research Foundation, 48 Vas. Constantinou Avenue, 11635 Athens, Greece
| | - Thomas Mavromoustakos
- Department
of Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis
Zografou 15771, Greece
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Abstract
CONTEXT Ever since the discovery of cyclodextrins, a family of cyclic oligosaccharides based on α (1 → 4) linkage among glucopyranose subunits, these versatile supramolecular hosts have received tremendous attention for scientific explorations. Due to their property of forming host-guest type inclusion complex, cyclodextrins and their synthetic derivatives exhibit wide range of utilities in different areas viz. pharmaceuticals, drug delivery systems, cosmetics, food and nutrition, textile and chemical industry etc. OBJECTIVE The purpose of this review is to highlight properties, advantages, recent studies and versatile benefits of cyclodextrins and to re-strengthen their prospective applications in novel directions for future research. METHODS This article summarizes a variety of applications of cyclodextrins in various industrial products, technologies, analytical and chemical processes and recent industrial advancements by extensively literature search on various scientific databases, Google and websites of various associated pharmaceutical industries and patenting authorities across the world. RESULTS AND CONCLUSION Due to possibility of multidimensional changes in physical and chemical properties of molecules upon inclusion complexation in cyclodextrins, these compounds are of great commercial interest and may offer solution to many of the scientific problems of the current world.
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Affiliation(s)
- Neha Sharma
- a Department of Quality Assurance , I.S.F. College of Pharmacy , Moga , Punjab , India
| | - Ashish Baldi
- a Department of Quality Assurance , I.S.F. College of Pharmacy , Moga , Punjab , India
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Improving furosemide polymorphs properties through supramolecular complexes of β-cyclodextrin. J Pharm Biomed Anal 2014; 95:139-45. [PMID: 24667568 DOI: 10.1016/j.jpba.2014.02.017] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2013] [Revised: 02/07/2014] [Accepted: 02/24/2014] [Indexed: 11/21/2022]
Abstract
In this work, complexes of β-cyclodextrin and the two solid forms of furosemide were prepared and characterized for their potential pharmaceutical applications, with the interactions between the two compounds being studied in the solution and solid states. The solubility studies revealed different behaviors of the polymorphs. In particular, it was observed that the binary complex significantly increased the solubility of furosemide form I in the gastric simulated fluid, which resulted in a rise in the bioavailability of this formulation after oral administration. In addition, results using ssNMR, FT-IR, DSC, TGA, SEM and XRPD provided evidence of the formation of complexes after utilizing kneading and freeze-drying methods. A comparison with previous developed complexes that used maltodextrin as the ligand was performed. Our results suggest that these novel supramolecular complexes showed promise to be used in drug delivery systems with an application in pharmaceutical formulations.
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Higashi K, Yamamoto K, Pandey MK, Mroue KH, Moribe K, Yamamoto K, Ramamoorthy A. Insights into atomic-level interaction between mefenamic acid and eudragit EPO in a supersaturated solution by high-resolution magic-angle spinning NMR spectroscopy. Mol Pharm 2013; 11:351-7. [PMID: 24283196 DOI: 10.1021/mp4005723] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
The intermolecular interaction between mefenamic acid (MFA), a poorly water-soluble nonsteroidal anti-inflammatory drug, and Eudragit EPO (EPO), a water-soluble polymer, is investigated in their supersaturated solution using high-resolution magic-angle spinning (HRMAS) nuclear magnetic resonance (NMR) spectroscopy. The stable supersaturated solution with a high MFA concentration of 3.0 mg/mL is prepared by dispersing the amorphous solid dispersion into a d-acetate buffer at pH 5.5 and 37 °C. By virtue of MAS at 2.7 kHz, the extremely broad and unresolved (1)H resonances of MFA in one-dimensional (1)H NMR spectrum of the supersaturated solution are well-resolved, thus enabling the complete assignment of MFA (1)H resonances in the aqueous solution. Two-dimensional (2D) (1)H/(1)H nuclear Overhauser effect spectroscopy (NOESY) and radio frequency-driven recoupling (RFDR) under MAS conditions reveal the interaction of MFA with EPO in the supersaturated solution at an atomic level. The strong cross-correlations observed in the 2D (1)H/(1)H NMR spectra indicate a hydrophobic interaction between the aromatic group of MFA and the backbone of EPO. Furthermore, the aminoalkyl group in the side chain of EPO forms a hydrophilic interaction, which can be either electrostatic or hydrogen bonding, with the carboxyl group of MFA. We believe these hydrophobic and hydrophilic interactions between MFA and EPO molecules play a key role in the formation of this extremely stable supersaturated solution. In addition, 2D (1)H/(1)H RFDR demonstrates that the molecular MFA-EPO interaction is quite flexible and dynamic.
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Affiliation(s)
- Kenjirou Higashi
- Biophysics and Department of Chemistry, The University of Michigan , Ann Arbor, Michigan 48109-1055, United States
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