1
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Ma Z, Zhang X, Ping L, Zhong Z, Zhang X, Zhuang X, Wang G, Guo Q, Zhan S, Qiu Z, Zhao Z, Li Q, Luo D. Supercritical antisolvent-fluidized bed for the preparation of dry powder inhaler for pulmonary delivery of nanomedicine. Int J Pharm 2023; 648:123580. [PMID: 37944677 DOI: 10.1016/j.ijpharm.2023.123580] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 10/29/2023] [Accepted: 11/03/2023] [Indexed: 11/12/2023]
Abstract
The supercritical antisolvent-fluidized bed coating process (SAS-FB) shows great potential as a technique to manufacture dry powder inhaler (DPI) that incorporate nanodrugs onto micronized matrix particles, capitalizing on the merits of both nanoparticle and pulmonary delivery. In this study, naringin (NAR), a pharmacologically active flavonoid with low solubility and in vivo degradation issues, was utilized as a model active pharmaceutical ingredient to construct nanomedicine-based DPI through SAS-FB. It is showed that processed NAR exhibited a near-spherical shape and an amorphous structure with an average size of around 130 nm. Notably, SAS-FB products prepared with different fluidized matrices resulted in varying deposition patterns, particularly when mixed with a coarse lactose to enhance the fine particle fraction (FPF) of the formulations. The FPF was positively associated with specific surface area of the SAS-FB products, while the specific surface area was directly related to surface roughness and particle size. In vitro dissolution studies using simulated lung fluid revealed that the NAR nanoparticles coated on the products were released immediately upon contact with solution, with a cumulative dissolution exceeding 90% within the first minute. Importantly, compared to oral raw NAR, the optimized DPI formulation demonstrated superior in vivo plasmatic and pulmonary AUC0→∞ by 51.33-fold and 104.07-fold respectively in a Sprague-Dawley rat model. Overall, SAS- FB technology provides a practical approach to produce nanomedicine DPI product that combine the benefits of nanoparticles with the aerodynamics properties of inhaled microparticles.
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Affiliation(s)
- Zhimin Ma
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou 510006, China
| | - Xuejuan Zhang
- College of Pharmacy, Jinan University, Guangzhou 510006, Guangdong, China
| | - Lu Ping
- The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou 510405, China
| | - Zicheng Zhong
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou 510006, China
| | - Xiubing Zhang
- The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou 510405, China
| | - Xiaodong Zhuang
- Division of Infection and Immunity, University College London, London, UK
| | - Guanlin Wang
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, Guangdong, China
| | - Qiupin Guo
- Drug Non-Clinical Evaluation and Research Center of Guangzhou General Pharmaceutical Research Institute, Guangzhou 510240, China
| | - Shaofeng Zhan
- The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou 510405, China
| | - Zhenwen Qiu
- The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou 510405, China
| | - Ziyu Zhao
- Department of Pharmacy, Guangzhou Red Cross Hospital of Jinan University, Guangzhou 510220, Guangdong, China.
| | - Qingguo Li
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou 510006, China.
| | - Dandong Luo
- The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou 510405, China.
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2
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Rudolph D, Redinger N, Schwarz K, Li F, Hädrich G, Cohrs M, Dailey LA, Schaible UE, Feldmann C. Amorphous Drug Nanoparticles for Inhalation Therapy of Multidrug-Resistant Tuberculosis. ACS NANO 2023; 17:9478-9486. [PMID: 37160267 PMCID: PMC10211367 DOI: 10.1021/acsnano.3c01664] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Accepted: 04/17/2023] [Indexed: 05/11/2023]
Abstract
Tuberculosis (TB) is one of the most prevalent infectious diseases. The global TB situation is further complicated by increasing patient numbers infected with Mycobacterium tuberculosis (M.tb.) strains resistant to either one or two of the first-line therapeutics, promoted by insufficient treatment length and/or drug levels due to adverse reactions and reduced patient compliance. An intriguing approach to improve anti-TB therapy relates to nanocarrier-based drug-delivery systems, which enhance local drug concentrations at infection sites without systemic toxicity. Recently developed anti-TB antibiotics, however, are lipophilic and difficult to transport in aqueous systems. Here, the very lipophilic TB-antibiotics bedaquiline (BDQ) and BTZ (1,3-benzothiazin-4-one 043) are prepared as high-dose, amorphous nanoparticles via a solvent-antisolvent technique. The nanoparticles exhibit mean diameters of 60 ± 13 nm (BDQ) and 62 ± 44 nm (BTZ) and have an extraordinarily high drug load with 69% BDQ and >99% BTZ of total nanoparticle mass plus a certain amount of surfactant (31% for BDQ, <1% for BTZ) to make the lipophilic drugs water-dispersible. Suspensions with high drug load (4.1 mg/mL BDQ, 4.2 mg/mL BTZ) are stable for several weeks. In vitro and in vivo studies employing M.tb.-infected macrophages and susceptible C3HeB/FeJ mice show promising activity, which outperforms conventional BDQ/BTZ solutions (in DMF or DMSO) with an up to 50% higher efficacy upon pulmonary delivery. In vitro, the BDQ/BTZ nanoparticles demonstrate their ability to cross the different biological barriers and to reach the site of the intracellular mycobacteria. In vivo, high amounts of the BDQ/BTZ nanoparticles are found in the lung and specifically inside granulomas, whereas only low BDQ/BTZ-nanoparticle levels are observed in spleen or liver. Thus, pulmonary delivered BDQ/BTZ nanoparticles are promising formulations to improve antituberculosis treatment.
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Affiliation(s)
- David Rudolph
- Institute
of Inorganic Chemistry, Karlsruhe Institute
of Technology (KIT), Engesserstr. 15, 76131 Karlsruhe, Germany
| | - Natalja Redinger
- Research
Center Borstel, Leibniz Lung Center, Priority Area Infections, Division Cellular Microbiology, Parkallee 1-40, 23845 Borstel, Germany
- German
Center for Infection Research (DZIF),
Site Hamburg-Lübeck-Borstel-Riems, 23845 Borstel, Germany
| | | | - Feng Li
- Department
of Pharmaceutical Sciences, University of
Vienna, Josef-Holaubek-Platz 2, 1090 Wien, Austria
| | - Gabriela Hädrich
- Department
of Pharmaceutical Sciences, University of
Vienna, Josef-Holaubek-Platz 2, 1090 Wien, Austria
| | - Michaela Cohrs
- Laboratory
for General Biochemistry and Physical Pharmacy, Ghent University, Ottergemsesteenweg 460, 9000 Gent, Belgium
| | - Lea Ann Dailey
- Department
of Pharmaceutical Sciences, University of
Vienna, Josef-Holaubek-Platz 2, 1090 Wien, Austria
| | - Ulrich E. Schaible
- Research
Center Borstel, Leibniz Lung Center, Priority Area Infections, Division Cellular Microbiology, Parkallee 1-40, 23845 Borstel, Germany
- German
Center for Infection Research (DZIF),
Site Hamburg-Lübeck-Borstel-Riems, 23845 Borstel, Germany
- University of Lübeck, 23563 Lübeck, Germany
| | - Claus Feldmann
- Institute
of Inorganic Chemistry, Karlsruhe Institute
of Technology (KIT), Engesserstr. 15, 76131 Karlsruhe, Germany
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3
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Verma V, Patel P, Ryan KM, Hudson S, Padrela L. Production of hydrochlorothiazide nanoparticles with increased permeability using top-spray coating process. J Supercrit Fluids 2023. [DOI: 10.1016/j.supflu.2022.105788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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4
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Sadeghi F, Kamali H, Kouhestanian S, Hadizadeh F, Nokhodchi A, Afrasiabi Garekani H. Supercritical CO 2 versus water as an antisolvent in the crystallization process to enhance dissolution rate of curcumin. Pharm Dev Technol 2022; 27:999-1008. [PMID: 36322612 DOI: 10.1080/10837450.2022.2143526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Antisolvent crystallization approach using either water (in conventional crystallization process (WAS)), or supercritical CO2 (in supercritical anti-solvent crystallization (SCAS)), was employed in presence of hydroxypropyl methylcellulose (HPMC) to enhance the dissolution of curcumin. The impact of pressure, temperature and depressurization time on the SCAS process was studied using the Box-Behnken design to achieve the highest saturation solubility. A physical mixture of curcumin-HPMC was prepared for comparison purposes. Saturation solubility, scanning electron microscopy, differential scanning calorimetry, X-ray diffraction analysis and Fourier transform infrared spectroscopy were conducted to characterize the solid-state characteristics of the crystallized samples. Dissolution studies helped in ascertaining the effects of the crystallization techniques on the performance of the formulation. Curcumin crystalized by different antisolvent displayed varied shapes, sizes, saturation solubility's and dissolution properties. In SCAS process, the maximum saturation solubility (2.83 µg/mL) was obtained when the pressure, temperature and depressurization time were 275 bars, 55 °C, and 22 min respectively. The SCAS samples showed the highest dissolution (70%) in 30 min compared to WAS (27%), physical mixture (18%) and unprocessed curcumin (16%). The improved dissolution rate of SCAS sample originates from the development of sponge-like particles with augmented porosity, decreased crystallinity as well as increased solubility of curcumin.
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Affiliation(s)
- Fatemeh Sadeghi
- Targeted Drug Delivery Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Pharmaceutics, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hossein Kamali
- Targeted Drug Delivery Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Pharmaceutics, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Sepideh Kouhestanian
- Targeted Drug Delivery Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Farzin Hadizadeh
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Medicinal Chemistry, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Ali Nokhodchi
- Pharmaceutics Research Laboratory, School of Life Sciences, University of Sussex, Brighton, UK.,Lupin Pharmaceutical Research Center, Coral Springs, Florida, USA
| | - Hadi Afrasiabi Garekani
- Department of Pharmaceutics, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.,Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
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5
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Ha ES, Kang HT, Park H, Kim S, Kim MS. Advanced technology using supercritical fluid for particle production in pharmaceutical continuous manufacturing. JOURNAL OF PHARMACEUTICAL INVESTIGATION 2022. [DOI: 10.1007/s40005-022-00601-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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6
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Chen FC, Liu WJ, Zhu WF, Yang LY, Zhang JW, Feng Y, Ming LS, Li Z. Surface Modifiers on Composite Particles for Direct Compaction. Pharmaceutics 2022; 14:pharmaceutics14102217. [PMID: 36297653 PMCID: PMC9612340 DOI: 10.3390/pharmaceutics14102217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 10/13/2022] [Accepted: 10/13/2022] [Indexed: 11/16/2022] Open
Abstract
Direct compaction (DC) is considered to be the most effective method of tablet production. However, only a small number of the active pharmaceutical ingredients (APIs) can be successfully manufactured into tablets using DC since most APIs lack adequate functional properties to meet DC requirements. The use of suitable modifiers and appropriate co-processing technologies can provide a promising approach for the preparation of composite particles with high functional properties. The purpose of this review is to provide an overview and classification of different modifiers and their multiple combinations that may improve API tableting properties or prepare composite excipients with appropriate co-processed technology, as well as discuss the corresponding modification mechanism. Moreover, it provides solutions for selecting appropriate modifiers and co-processing technologies to prepare composite particles with improved properties.
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Affiliation(s)
- Fu-Cai Chen
- Key Laboratory of Preparation of Modern TCM, Ministry of Education, Jiangxi University of Chinese Medicine, Nanchang 330004, China
| | - Wen-Jun Liu
- Jiangzhong Pharmaceutical Co., Ltd., Nanchang 330049, China
| | - Wei-Feng Zhu
- Key Laboratory of Preparation of Modern TCM, Ministry of Education, Jiangxi University of Chinese Medicine, Nanchang 330004, China
| | - Ling-Yu Yang
- Jiangzhong Pharmaceutical Co., Ltd., Nanchang 330049, China
| | - Ji-Wen Zhang
- Key Laboratory of Preparation of Modern TCM, Ministry of Education, Jiangxi University of Chinese Medicine, Nanchang 330004, China
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
| | - Yi Feng
- Key Laboratory of Preparation of Modern TCM, Ministry of Education, Jiangxi University of Chinese Medicine, Nanchang 330004, China
- Engineering Research Center of Modern Preparation Technology of TCM of Ministry of Education, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Liang-Shan Ming
- Key Laboratory of Preparation of Modern TCM, Ministry of Education, Jiangxi University of Chinese Medicine, Nanchang 330004, China
- Correspondence: (L.-S.M.); (Z.L.); Tel.: +86-791-8711-9027 (L.-S.M. & Z.L.)
| | - Zhe Li
- Key Laboratory of Preparation of Modern TCM, Ministry of Education, Jiangxi University of Chinese Medicine, Nanchang 330004, China
- Correspondence: (L.-S.M.); (Z.L.); Tel.: +86-791-8711-9027 (L.-S.M. & Z.L.)
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7
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Islam T, Al Ragib A, Ferdosh S, Uddin ABMH, Haque Akanda MJ, Mia MAR, D. M RP, Kamaruzzaman BY, Islam Sarker MZ. Development of nanoparticles for pharmaceutical preparations using supercritical techniques. CHEM ENG COMMUN 2022. [DOI: 10.1080/00986445.2021.1983545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Affiliation(s)
- Tariqul Islam
- Faculty of Pharmacy, International Islamic University Malaysia, Kuantan, Pahang, Malaysia
| | - Abdullah Al Ragib
- School of Chemical Engineering and Technology, Tianjin University, Tianjin, China
| | - Sahena Ferdosh
- Faculty of Science, International Islamic University Malaysia, Kuantan, Pahang, Malaysia
| | - A. B. M. Helal Uddin
- Faculty of Pharmacy, International Islamic University Malaysia, Kuantan, Pahang, Malaysia
| | | | - Md. Abdur Rashid Mia
- Faculty of Pharmacy, International Islamic University Malaysia, Kuantan, Pahang, Malaysia
| | - Reddy Prasad D. M
- Petroleum and Chemical Engineering Programme area, Universiti Technology Brunei, Gadong, Brunei Darussalam
| | - Bin Yunus Kamaruzzaman
- Faculty of Science, International Islamic University Malaysia, Kuantan, Pahang, Malaysia
| | - Md. Zaidul Islam Sarker
- Faculty of Pharmacy, International Islamic University Malaysia, Kuantan, Pahang, Malaysia
- Food Science Program, Cooperative Research, Education and Extension Services, Northern Marianas College, Saipan, MP, USA
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8
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Liu Q, Li M, Liu C, Yin J, Zhu X, Chen D. Continuous Synthesis of Polymer-Coated Drug Nanoparticles by Heterogeneous Nucleation in a Hollow-Fiber Membrane Module. Ind Eng Chem Res 2021. [DOI: 10.1021/acs.iecr.1c02988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Qiuhong Liu
- School of Pharmaceutical Sciences, Xiamen University, Xiamen, Fujian 361102, China
| | - Mao Li
- School of Pharmaceutical Sciences, Xiamen University, Xiamen, Fujian 361102, China
| | - Chen Liu
- School of Pharmaceutical Sciences, Xiamen University, Xiamen, Fujian 361102, China
| | - Jieli Yin
- School of Pharmaceutical Sciences, Xiamen University, Xiamen, Fujian 361102, China
| | - Xuan Zhu
- School of Pharmaceutical Sciences, Xiamen University, Xiamen, Fujian 361102, China
| | - Dengyue Chen
- School of Pharmaceutical Sciences, Xiamen University, Xiamen, Fujian 361102, China
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9
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Casanova F, Pereira CF, Ribeiro AB, Freixo R, Costa E, E. Pintado M, Fernandes JC, Ramos ÓL. Novel Micro- and Nanocellulose-Based Delivery Systems for Liposoluble Compounds. NANOMATERIALS 2021; 11:nano11102593. [PMID: 34685034 PMCID: PMC8540299 DOI: 10.3390/nano11102593] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 09/20/2021] [Accepted: 09/27/2021] [Indexed: 12/13/2022]
Abstract
Poor aqueous solubility of bioactive compounds is becoming a pronounced challenge in the development of bioactive formulations. Numerous liposoluble compounds have very interesting biological activities, but their low water solubility, stability, and bioavailability restrict their applications. To overcome these limitations there is a need to use enabling delivering strategies, which often demand new carrier materials. Cellulose and its micro- and nanostructures are promising carriers with unique features. In this context, this review describes the fast-growing field of micro- and nanocellulose based delivery systems with a focus on the release of liposoluble bioactive compounds. The state of research on this field is reviewed in this article, which also covers the chemistry, preparation, properties, and applications of micro- and nanocellulose based delivery systems. Although there are promising perspectives for introducing these materials into various fields, aspects of safety and toxicity must be revealed and are discussed in this review. The impact of gastrointestinal conditions on the systems and on the bioavailability of the bioactive compounds are also addressed in this review. This article helps to unveil the whole panorama of micro- and nanocellulose as delivery systems for liposoluble compounds, showing that these represent a great promise in a wide range of applications.
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10
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Verma V, Ryan KM, Padrela L. Production and isolation of pharmaceutical drug nanoparticles. Int J Pharm 2021; 603:120708. [PMID: 33992712 DOI: 10.1016/j.ijpharm.2021.120708] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Revised: 05/08/2021] [Accepted: 05/11/2021] [Indexed: 12/23/2022]
Abstract
Nanosizing of pharmaceutical drug particles is one of the most important drug delivery platforms approaches for the commercial development of poorly water-soluble drug molecules. Though nanosizing of drug particles has been proven to greatly enhance drugs dissolution rate and apparent solubility, nanosized materials have presented significant challenges for their formulation as solid dosage forms (e.g. tablets, capsules). This is due to the strong Van der Waals attraction forces between dry nanoparticles leading to aggregation, cohesion, and consequently poor flowability. In this review, the broad area of nanomedicines is overviewed with the primary focus on drug nanocrystals and the top-down and bottom-up methods used in their fabrication. The review also looks at how nanosuspensions of pharmaceutical drugs are generated and stabilised, followed by subsequent strategies for isolation of the nanoparticles. A perspective on the future outlook for drug nanocrystals is also presented.
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Affiliation(s)
- Vivek Verma
- SSPC Research Centre, Department of Chemical Sciences, Bernal Institute, University of Limerick, Limerick, Ireland
| | - Kevin M Ryan
- SSPC Research Centre, Department of Chemical Sciences, Bernal Institute, University of Limerick, Limerick, Ireland
| | - Luis Padrela
- SSPC Research Centre, Department of Chemical Sciences, Bernal Institute, University of Limerick, Limerick, Ireland.
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11
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12
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Nanoparticles and Nanocrystals by Supercritical CO2-Assisted Techniques for Pharmaceutical Applications: A Review. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11041476] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Many active ingredients currently prescribed show limited therapeutic efficacy, mainly due to their dissolution rate inadequate to treat the pathology of interest. A large drug particle size creates an additional problem if a specific site of action in the human body has to be reached. For this reason, active ingredient size reduction using micronization/nanonization techniques is a valid approach to improve the efficacy of active compounds. Supercritical carbon-dioxide-assisted technologies enable the production of different morphologies of different sizes, including nanoparticles and nanocrystals, by modulating operating conditions. Supercritical fluid-based processes have numerous advantages over techniques conventionally employed to produce nanosized particles or crystals, such as reduced use of toxic solvents, which are completely removed from the final product, ensuring safety for patients. Active compounds can be processed alone by supercritical techniques, although polymeric carriers are often added as stabilizers, to control the drug release on the basis of the desired therapeutic effect, as well as to improve drug processability with the chosen technology. This updated review on the application of supercritical micronization/nanonization techniques in the pharmaceutical field aims at highlighting the most effective current results, operating conditions, advantages, and limitations, providing future perspectives.
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13
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Verma V, Ryan KM, Padrela L. Pharmaceutical nanoparticle isolation using CO 2-assisted dynamic bed coating. Int J Pharm 2021; 592:120032. [PMID: 33171263 DOI: 10.1016/j.ijpharm.2020.120032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 10/25/2020] [Accepted: 10/26/2020] [Indexed: 10/23/2022]
Abstract
Poor solubility of new chemical entities (NCEs) is a major bottleneck in the pharmaceutical industry which typically leads to poor drug bioavailability and efficacy. Nanotechnologies offer an interesting route to improve the apparent solubility and dissolution rate of pharmaceutical drugs, and processes such as nano-spray drying and supercritical CO2-assisted spray drying (SASD) provide a route to engineer and produce solid drug nanoparticles. However, dried nanoparticles often show poor rheological properties (e.g. flowability, tabletability) and their isolation using these methods is typically inefficient and leads to poor collection yields. The work presented herein demonstrates a novel production and isolation method for drug nanoparticles using a 'top spray dynamic bed coating' process, which uses CO2 spray as the fluidizing gas. Nanoparticles of three BCS class II Active Pharmaceutical Ingredients (APIs), namely carbamazepine (CBZ), ketoprofen (KET) and risperidone (RIS), were produced and successfully coated onto micron-sized microcrystalline cellulose (MCC) particles. The size distribution of the API nanoparticles was in the range of 90-490 nm. The stable forms of CBZ (form III), KET (form I), and the metastable form of RIS (form B) were produced and coated onto MCC carrier microparticles. All the isolated solids presented optimal rheological properties along with a 2-6 fold improvement in the dissolution rate of the corresponding APIs. Hence, the 'top spray dynamic bed coater' developed in this work demonstrates to be an efficient approach to produce and coat API nanoparticles onto carrier particles with optimal rheological properties and improved dissolution.
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Affiliation(s)
- Vivek Verma
- SSPC Research Centre, Department of Chemical Sciences, Bernal Institute, University of Limerick, Limerick, Ireland
| | - Kevin M Ryan
- SSPC Research Centre, Department of Chemical Sciences, Bernal Institute, University of Limerick, Limerick, Ireland
| | - Luis Padrela
- SSPC Research Centre, Department of Chemical Sciences, Bernal Institute, University of Limerick, Limerick, Ireland.
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14
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Chen T, Liu L, Zhang L, Lu T, Matos RL, Jiang C, Lin Y, Yuan T, Ma Z, He H, Zhuang X, Li Q. Optimization of the supercritical fluidized bed process for sirolimus coating and drug release. Int J Pharm 2020; 589:119809. [PMID: 32896606 DOI: 10.1016/j.ijpharm.2020.119809] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Revised: 08/15/2020] [Accepted: 08/20/2020] [Indexed: 01/22/2023]
Abstract
Directly coating an active pharmaceutical ingredient (API) onto excipient granules has been a common approach to prepare solid dosage forms. The combination of supercritical anti-solvent (SAS) and fluidized bed (FB) coating technology (SAS-FB) has the advantages of preventing nanoparticles aggregation, oxidation and light exposure. However individual operating parameters and factors which contribute to the overall coating efficiency remain to be defined. Sirolimus is an immunosuppressive agent for preventing the rejection of organ transplants and this drug is sensitive to light exposure and high temperature. Our study used sirolimus as the model API to evaluate parameters including temperature, pressure, drug concentration, mass, material and diameter of carrier, CO2 flow rate and solvent in the SAS-FB process. By optimizing these parameters, we achieved a 3.5-fold enhancement of the coating efficiency over the standard condition. A series of characterizations of the sirolimus coated particles were performed from which scanning electron microscopy and Raman mapping confirmed that the sirolimus particles were uniformly coated on carriers as cuboid particles; X-ray powder diffraction showed that processed sirolimus is crystalline but has lower crystallinity than the API, and fourier transform infrared spectroscopy and differential scanning calorimeter confirmed that there is no chemical interaction between sirolimus and carriers after SAS-FB processing. Finally compared to sirolimus alone, sirolimus coated particles displayed a faster dissolution and higher bioavailability. Collectively, our optimized operation parameters for SAS-FB coating technique provide a useful guidance for achieving higher efficiency of drug coating and faster release rate of sirolimus pellets, which has the potential to apply to other APIs.
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Affiliation(s)
- Tingting Chen
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou 510006, China
| | - Liuyi Liu
- Department of Pharmacy, The Seventh Affiliated Hospital of Sun Yat-Sen University, Shenzhen 518107, China
| | - Lei Zhang
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou 510006, China
| | - Tiejun Lu
- Centre for Formulation Engineering, School of Chemical Engineering, University of Birmingham, Birmingham B152TT, UK
| | - Ravenna L Matos
- Centre for Formulation Engineering, School of Chemical Engineering, University of Birmingham, Birmingham B152TT, UK
| | - Cuiping Jiang
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou 510515, China
| | - Yisheng Lin
- The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou 510405, China
| | - Tianhui Yuan
- The First Affiliated Hospital, Guangzhou University of Chinese Medicine, Guangzhou 510405, China
| | - Zhimin Ma
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou 510006, China
| | - Hongling He
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou 510006, China
| | - Xiaodong Zhuang
- Nuffield Department of Clinical Medicine, University of Oxford, OX3 7FZ, UK.
| | - Qingguo Li
- School of Pharmaceutical Sciences, Guangzhou University of Chinese Medicine, Guangzhou 510006, China.
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15
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Abstract
The supercritical antisolvent (SAS) technique has been widely employed in the biomedical field, including drug delivery, to obtain drug particles or polymer-based systems of nanometric or micrometric size. The primary purpose of producing SAS particles is to improve the treatment of different pathologies and to better the patient’s compliance. In this context, many active compounds have been micronized to enhance their dissolution rate and bioavailability. Aiming for more effective treatments with reduced side effects caused by drug overdose, the SAS polymer/active principle coprecipitation has mainly been proposed to offer an adequate drug release for specific therapy. The demand for new formulations with reduced side effects on the patient’s health is still growing; in this context, the SAS technique is a promising tool to solve existing issues in the biomedical field. This updated review on the use of the SAS process for clinical applications provides useful information about the achievements, the most effective polymeric carriers, and parameters, as well as future perspectives.
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16
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Franco P, De Marco I. The Use of Poly( N-vinyl pyrrolidone) in the Delivery of Drugs: A Review. Polymers (Basel) 2020; 12:E1114. [PMID: 32414187 PMCID: PMC7285361 DOI: 10.3390/polym12051114] [Citation(s) in RCA: 120] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2020] [Revised: 05/06/2020] [Accepted: 05/09/2020] [Indexed: 12/31/2022] Open
Abstract
Polyvinylpyrrolidone (PVP) is a hydrophilic polymer widely employed as a carrier in the pharmaceutical, biomedical, and nutraceutical fields. Up to now, several PVP-based systems have been developed to deliver different active principles, of both natural and synthetic origin. Various formulations and morphologies have been proposed using PVP, including microparticles and nanoparticles, fibers, hydrogels, tablets, and films. Its versatility and peculiar properties make PVP one of the most suitable and promising polymers for the development of new pharmaceutical forms. This review highlights the role of PVP in drug delivery, focusing on the different morphologies proposed for different polymer/active compound formulations. It also provides detailed information on active principles and used technologies, optimized process parameters, advantages, disadvantages, and final applications.
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Affiliation(s)
| | - Iolanda De Marco
- Department of Industrial Engineering, University of Salerno, Via Giovanni Paolo II, 132, 84084 Fisciano (SA), Italy;
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