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Xu H, Wu L, Xue Y, Yang T, Xiong T, Wang C, He S, Sun H, Cao Z, Liu J, Wang S, Li Z, Naeem A, Yin X, Zhang J. Advances in Structure Pharmaceutics from Discovery to Evaluation and Design. Mol Pharm 2023; 20:4404-4429. [PMID: 37552597 DOI: 10.1021/acs.molpharmaceut.3c00514] [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] [Indexed: 08/10/2023]
Abstract
Drug delivery systems (DDSs) play an important role in delivering active pharmaceutical ingredients (APIs) to targeted sites with a predesigned release pattern. The chemical and biological properties of APIs and excipients have been extensively studied for their contribution to DDS quality and effectiveness; however, the structural characteristics of DDSs have not been adequately explored. Structure pharmaceutics involves the study of the structure of DDSs, especially the three-dimensional (3D) structures, and its interaction with the physiological and pathological structure of organisms, possibly influencing their release kinetics and targeting abilities. A systematic overview of the structures of a variety of dosage forms, such as tablets, granules, pellets, microspheres, powders, and nanoparticles, is presented. Moreover, the influence of structures on the release and targeting capability of DDSs has also been discussed, especially the in vitro and in vivo release correlation and the structure-based organ- and tumor-targeting capabilities of particles with different structures. Additionally, an in-depth discussion is provided regarding the application of structural strategies in the DDSs design and evaluation. Furthermore, some of the most frequently used characterization techniques in structure pharmaceutics are briefly described along with their potential future applications.
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Affiliation(s)
- Huipeng Xu
- Center for Drug Delivery Systems, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Li Wu
- Center for Drug Delivery Systems, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- Key Laboratory of Molecular Pharmacology and Drug Evaluation, School of Pharmacy, Ministry of Education, Yantai University, Yantai 264005, China
- Key Laboratory of Modern Preparation of Traditional Chinese Medicine, Ministry of Education, Jiangxi University of Chinese Medicine, Nanchang 330004, China
| | - Yanling Xue
- Shanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201204, China
| | - Ting Yang
- Center for Drug Delivery Systems, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Ting Xiong
- Center for Drug Delivery Systems, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Caifen Wang
- Center for Drug Delivery Systems, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Siyu He
- Center for Drug Delivery Systems, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Hongyu Sun
- Center for Drug Delivery Systems, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Zeying Cao
- Center for Drug Delivery Systems, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jun Liu
- Center for Drug Delivery Systems, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Siwen Wang
- Center for Drug Delivery Systems, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhe Li
- Key Laboratory of Modern Preparation of Traditional Chinese Medicine, Ministry of Education, Jiangxi University of Chinese Medicine, Nanchang 330004, China
| | - Abid Naeem
- Key Laboratory of Modern Preparation of Traditional Chinese Medicine, Ministry of Education, Jiangxi University of Chinese Medicine, Nanchang 330004, China
| | - Xianzhen Yin
- Center for Drug Delivery Systems, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- Lingang Laboratory, Shanghai 201602, China
| | - Jiwen Zhang
- Center for Drug Delivery Systems, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- Key Laboratory of Modern Preparation of Traditional Chinese Medicine, Ministry of Education, Jiangxi University of Chinese Medicine, Nanchang 330004, China
- NMPA Key Laboratory for Quality Research and Evaluation of Pharmaceutical Excipients, National Institutes for Food and Drug Control, No.2 Tiantan Xili, Beijing 100050, China
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Vijayakumar J, Goudarzi NM, Eeckhaut G, Schrijnemakers K, Cnudde V, Boone MN. Characterization of Pharmaceutical Tablets by X-ray Tomography. Pharmaceuticals (Basel) 2023; 16:ph16050733. [PMID: 37242516 DOI: 10.3390/ph16050733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Revised: 05/07/2023] [Accepted: 05/08/2023] [Indexed: 05/28/2023] Open
Abstract
Solid dosage forms such as tablets are extensively used in drug administration for their simplicity and large-scale manufacturing capabilities. High-resolution X-ray tomography is one of the most valuable non-destructive techniques to investigate the internal structure of the tablets for drug product development as well as for a cost effective production process. In this work, we review the recent developments in high-resolution X-ray microtomography and its application towards different tablet characterizations. The increased availability of powerful laboratory instrumentation, as well as the advent of high brilliance and coherent 3rd generation synchrotron light sources, combined with advanced data processing techniques, are driving the application of X-ray microtomography forward as an indispensable tool in the pharmaceutical industry.
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Affiliation(s)
- Jaianth Vijayakumar
- Centre for X-ray Tomography (UGCT), Ghent University, Proeftuinstraat 86/N3, 9000 Gent, Belgium
- Department of Physics and Astronomy, Radiation Physics, Ghent University, Proeftuinstraat 86/N12, 9000 Gent, Belgium
| | - Niloofar Moazami Goudarzi
- Centre for X-ray Tomography (UGCT), Ghent University, Proeftuinstraat 86/N3, 9000 Gent, Belgium
- Department of Physics and Astronomy, Radiation Physics, Ghent University, Proeftuinstraat 86/N12, 9000 Gent, Belgium
| | - Guy Eeckhaut
- Janssen Pharmaceutica, Turnhoutseweg 30, 2340 Beerse, Belgium
| | | | - Veerle Cnudde
- Centre for X-ray Tomography (UGCT), Ghent University, Proeftuinstraat 86/N3, 9000 Gent, Belgium
- Pore-Scale Processes in Geomaterials Research (PProGRess), Department of Geology, Ghent University, Krijgslaan 281/S8, 9000 Gent, Belgium
- Environmental Hydrogeology, Department of Earth Sciences, Faculty of Geosciences, Utrecht University, Princetonlaan 8A, 3584 CD Utrecht, The Netherlands
| | - Matthieu N Boone
- Centre for X-ray Tomography (UGCT), Ghent University, Proeftuinstraat 86/N3, 9000 Gent, Belgium
- Department of Physics and Astronomy, Radiation Physics, Ghent University, Proeftuinstraat 86/N12, 9000 Gent, Belgium
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Gamble JF, Tobyn M, Zhang S, Zhu A, Šalplachta J, Matula J, Zikmund T, Kaiser J, Oberta P. Characterization of the Morphological Nature of Hollow Spray Dried Dispersion Particles Using X-ray Submicron-Computed Tomography. AAPS PharmSciTech 2021; 23:40. [PMID: 34964066 DOI: 10.1208/s12249-021-02184-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Accepted: 11/18/2021] [Indexed: 11/30/2022] Open
Abstract
Graphical Abstract.
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Characterization of Spray Dried Particles Through Microstructural Imaging. J Pharm Sci 2020; 109:3404-3412. [DOI: 10.1016/j.xphs.2020.07.032] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 07/25/2020] [Accepted: 07/28/2020] [Indexed: 11/22/2022]
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Van den Bulcke J, Boone MA, Dhaene J, Van Loo D, Van Hoorebeke L, Boone MN, Wyffels F, Beeckman H, Van Acker J, De Mil T. Advanced X-ray CT scanning can boost tree ring research for earth system sciences. ANNALS OF BOTANY 2019; 124:837-847. [PMID: 31361809 PMCID: PMC6868372 DOI: 10.1093/aob/mcz126] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Accepted: 07/18/2019] [Indexed: 05/16/2023]
Abstract
BACKGROUND AND AIMS Tree rings, as archives of the past and biosensors of the present, offer unique opportunities to study influences of the fluctuating environment over decades to centuries. As such, tree-ring-based wood traits are capital input for global vegetation models. To contribute to earth system sciences, however, sufficient spatial coverage is required of detailed individual-based measurements, necessitating large amounts of data. X-ray computed tomography (CT) scanning is one of the few techniques that can deliver such data sets. METHODS Increment cores of four different temperate tree species were scanned with a state-of-the-art X-ray CT system at resolutions ranging from 60 μm down to 4.5 μm, with an additional scan at a resolution of 0.8 μm of a splinter-sized sample using a second X-ray CT system to highlight the potential of cell-level scanning. Calibration-free densitometry, based on full scanner simulation of a third X-ray CT system, is illustrated on increment cores of a tropical tree species. KEY RESULTS We show how multiscale scanning offers unprecedented potential for mapping tree rings and wood traits without sample manipulation and with limited operator intervention. Custom-designed sample holders enable simultaneous scanning of multiple increment cores at resolutions sufficient for tree ring analysis and densitometry as well as single core scanning enabling quantitative wood anatomy, thereby approaching the conventional thin section approach. Standardized X-ray CT volumes are, furthermore, ideal input imagery for automated pipelines with neural-based learning for tree ring detection and measurements of wood traits. CONCLUSIONS Advanced X-ray CT scanning for high-throughput processing of increment cores is within reach, generating pith-to-bark ring width series, density profiles and wood trait data. This would allow contribution to large-scale monitoring and modelling efforts with sufficient global coverage.
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Affiliation(s)
- Jan Van den Bulcke
- UGent-Woodlab, Laboratory of Wood Technology, Department of Environment, Ghent University, Gent, Belgium
- Ghent University Centre for X-ray Tomography (UGCT), Gent, Belgium
- For correspondence. E-mail
| | | | - Jelle Dhaene
- Ghent University Centre for X-ray Tomography (UGCT), Gent, Belgium
- Radiation Physics Research Group, Department of Physics and Astronomy, Ghent University, Gent, Belgium
| | | | - Luc Van Hoorebeke
- Ghent University Centre for X-ray Tomography (UGCT), Gent, Belgium
- Radiation Physics Research Group, Department of Physics and Astronomy, Ghent University, Gent, Belgium
| | - Matthieu N Boone
- Ghent University Centre for X-ray Tomography (UGCT), Gent, Belgium
- Radiation Physics Research Group, Department of Physics and Astronomy, Ghent University, Gent, Belgium
| | | | - Hans Beeckman
- Royal Museum for Central Africa, Wood Biology Service, Tervuren, Belgium
| | - Joris Van Acker
- UGent-Woodlab, Laboratory of Wood Technology, Department of Environment, Ghent University, Gent, Belgium
- Ghent University Centre for X-ray Tomography (UGCT), Gent, Belgium
| | - Tom De Mil
- UGent-Woodlab, Laboratory of Wood Technology, Department of Environment, Ghent University, Gent, Belgium
- Ghent University Centre for X-ray Tomography (UGCT), Gent, Belgium
- Royal Museum for Central Africa, Wood Biology Service, Tervuren, Belgium
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Ferreira AP, Gamble JF, Leane MM, Park H, Olusanmi D, Tobyn M. Enhanced Understanding of Pharmaceutical Materials Through Advanced Characterisation and Analysis. AAPS PharmSciTech 2018; 19:3462-3480. [PMID: 30411240 DOI: 10.1208/s12249-018-1198-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2018] [Accepted: 09/26/2018] [Indexed: 11/30/2022] Open
Abstract
The impact of pharmaceutical materials properties on drug product quality and manufacturability is well recognised by the industry. An ongoing effort across industry and academia, the Manufacturing Classification System consortium, aims to gather the existing body of knowledge in a common framework to provide guidance on selection of appropriate manufacturing technologies for a given drug and/or guide optimization of the physical properties of the drug to facilitate manufacturing requirements for a given processing route. Simultaneously, material scientists endeavour to develop characterisation methods such as size, shape, surface area, density, flow and compactibility that enable a stronger understanding of materials powder properties. These properties are routinely tested drug product development and advances in instrumentation and computing power have enabled novel characterisation methods which generate larger, more complex data sets leading to a better understanding of the materials. These methods have specific requirements in terms of data management and analysis. An appropriate data management strategy eliminates time-consuming data collation steps and enables access to data collected for multiple methods and materials simultaneously. Methods ideally suited to extract information from large, complex data sets such as multivariate projection methods allow simpler representation of the variability contained within the data and easier interpretation of the key information it contains. In this review, an overview of the current knowledge and challenges introduced by modern pharmaceutical material characterisation methods is provided. Two case studies illustrate how the incorporation of multivariate analysis into the material sciences workflow facilitates a better understanding of materials.
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Markl D, Strobel A, Schlossnikl R, Bøtker J, Bawuah P, Ridgway C, Rantanen J, Rades T, Gane P, Peiponen KE, Zeitler JA. Characterisation of pore structures of pharmaceutical tablets: A review. Int J Pharm 2018; 538:188-214. [PMID: 29341913 DOI: 10.1016/j.ijpharm.2018.01.017] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2017] [Revised: 01/03/2018] [Accepted: 01/05/2018] [Indexed: 10/18/2022]
Abstract
Traditionally, the development of a new solid dosage form is formulation-driven and less focus is put on the design of a specific microstructure for the drug delivery system. However, the compaction process particularly impacts the microstructure, or more precisely, the pore architecture in a pharmaceutical tablet. Besides the formulation, the pore structure is a major contributor to the overall performance of oral solid dosage forms as it directly affects the liquid uptake rate, which is the very first step of the dissolution process. In future, additive manufacturing is a potential game changer to design the inner structures and realise a tailor-made pore structure. In pharmaceutical development the pore structure is most commonly only described by the total porosity of the tablet matrix. Yet it is of great importance to consider other parameters to fully resolve the interplay between microstructure and dosage form performance. Specifically, tortuosity, connectivity, as well as pore shape, size and orientation all impact the flow paths and play an important role in describing the fluid flow in a pharmaceutical tablet. This review presents the key properties of the pore structures in solid dosage forms and it discusses how to measure these properties. In particular, the principles, advantages and limitations of helium pycnometry, mercury porosimetry, terahertz time-domain spectroscopy, nuclear magnetic resonance and X-ray computed microtomography are discussed.
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Affiliation(s)
- Daniel Markl
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Philippa Fawcett Drive, CB3 0AS Cambridge, UK.
| | - Alexa Strobel
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Philippa Fawcett Drive, CB3 0AS Cambridge, UK
| | - Rüdiger Schlossnikl
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Philippa Fawcett Drive, CB3 0AS Cambridge, UK
| | - Johan Bøtker
- Department of Pharmacy, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen, Denmark
| | - Prince Bawuah
- School of Pharmacy, Promis Centre, University of Eastern Finland, P.O. Box 1617, FI-70211 Kuopio, Finland
| | - Cathy Ridgway
- Omya International AG, CH-4665 Oftringen, Switzerland
| | - Jukka Rantanen
- Department of Pharmacy, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen, Denmark
| | - Thomas Rades
- Department of Pharmacy, University of Copenhagen, Universitetsparken 2, DK-2100 Copenhagen, Denmark
| | - Patrick Gane
- Omya International AG, CH-4665 Oftringen, Switzerland; School of Chemical Technology, Department of Bioproducts and Biosystems, Aalto University, FI-00076 Aalto, Helsinki, Finland
| | - Kai-Erik Peiponen
- Institute of Photonics, University of Eastern Finland, P.O. Box 111, FI-80101 Joensuu, Finland
| | - J Axel Zeitler
- Department of Chemical Engineering and Biotechnology, University of Cambridge, Philippa Fawcett Drive, CB3 0AS Cambridge, UK
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9
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Li Q, Gluch J, Krüger P, Gall M, Neinhuis C, Zschech E. Pollen structure visualization using high-resolution laboratory-based hard X-ray tomography. Biochem Biophys Res Commun 2016; 479:272-276. [PMID: 27639647 DOI: 10.1016/j.bbrc.2016.09.058] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2016] [Accepted: 09/12/2016] [Indexed: 11/25/2022]
Abstract
A laboratory-based X-ray microscope is used to investigate the 3D structure of unstained whole pollen grains. For the first time, high-resolution laboratory-based hard X-ray microscopy is applied to study pollen grains. Based on the efficient acquisition of statistically relevant information-rich images using Zernike phase contrast, both surface- and internal structures of pine pollen - including exine, intine and cellular structures - are clearly visualized. The specific volumes of these structures are calculated from the tomographic data. The systematic three-dimensional study of pollen grains provides morphological and structural information about taxonomic characters that are essential in palynology. Such studies have a direct impact on disciplines such as forestry, agriculture, horticulture, plant breeding and biodiversity.
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Affiliation(s)
- Qiong Li
- Fraunhofer-Institut für Keramische Technologien und Systeme, Maria-Reiche-Straße 2, 01109, Dresden, Germany.
| | - Jürgen Gluch
- Fraunhofer-Institut für Keramische Technologien und Systeme, Maria-Reiche-Straße 2, 01109, Dresden, Germany
| | - Peter Krüger
- Fraunhofer-Institut für Keramische Technologien und Systeme, Maria-Reiche-Straße 2, 01109, Dresden, Germany
| | - Martin Gall
- Fraunhofer-Institut für Keramische Technologien und Systeme, Maria-Reiche-Straße 2, 01109, Dresden, Germany
| | - Christoph Neinhuis
- Department of Biology, Technische Universität Dresden, Zellescher Weg 20b, 01062, Dresden, Germany
| | - Ehrenfried Zschech
- Fraunhofer-Institut für Keramische Technologien und Systeme, Maria-Reiche-Straße 2, 01109, Dresden, Germany
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Gamble JF, Terada M, Holzner C, Lavery L, Nicholson SJ, Timmins P, Tobyn M. Application of X-ray microtomography for the characterisation of hollow polymer-stabilised spray dried amorphous dispersion particles. Int J Pharm 2016; 510:1-8. [DOI: 10.1016/j.ijpharm.2016.05.051] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2016] [Revised: 05/24/2016] [Accepted: 05/26/2016] [Indexed: 11/30/2022]
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