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Yao Z, Zhang W, Hu Y, An Z, Fang Z, Wang J, Zhang Z. Preparation, characterization, oral bioavailability, and pharmacodynamic study of eugenol-porous silica solidified powder. Drug Deliv Transl Res 2024:10.1007/s13346-024-01666-y. [PMID: 38972898 DOI: 10.1007/s13346-024-01666-y] [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] [Accepted: 07/01/2024] [Indexed: 07/09/2024]
Abstract
Eugenol possesses anti-inflammatory and antioxidant properties, and may serve as a potential therapeutic agent for hepatic fibrosis. However, the development of solid eugenol formulations is challenging due to its volatility. To address this issue, this study employed porous silica to adsorb solidified eugenol. The solidified powder was characterized using Fourier transform infrared spectroscopy (FTIR), differential scanning calorimetry (DSC), and scanning electron microscopy (SEM). In addition, the differences in in vitro release and oral bioavailability between eugenol and solidified eugenol powder were investigated. The effectiveness of eugenol and eugenol powder in treating liver fibrosis was investigated using enzyme-linked immunosorbent assay (ELISA), polymerase chain reaction (PCR), and histopathological observations. Our results indicate that porous silica can effectively solidify eugenol into powder at a lower dosage. Furthermore, we observed that porous silica accelerates eugenol release in vitro and in vivo. The pharmacodynamic results indicated that eugenol has a positive therapeutic effect against hepatic fibrosis and that porous silica does not affect its efficacy. In conclusion, porous silica was able to solidify eugenol, which may facilitate the preparation and storage of solid formulations.
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Affiliation(s)
- ZhongWei Yao
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, 100 Shizi Road, Nanjing, Jiangsu, 210028, China
- State Key Laboratory of Oral Drug Delivery Systems of Chinese Materia Medica, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing, Jiangsu, 210028, China
| | - Wei Zhang
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, 100 Shizi Road, Nanjing, Jiangsu, 210028, China
- State Key Laboratory of Oral Drug Delivery Systems of Chinese Materia Medica, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing, Jiangsu, 210028, China
| | - Yehong Hu
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, 100 Shizi Road, Nanjing, Jiangsu, 210028, China
- State Key Laboratory of Oral Drug Delivery Systems of Chinese Materia Medica, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing, Jiangsu, 210028, China
| | - Zhentao An
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, 100 Shizi Road, Nanjing, Jiangsu, 210028, China
- State Key Laboratory of Oral Drug Delivery Systems of Chinese Materia Medica, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing, Jiangsu, 210028, China
| | - Zhijun Fang
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, 100 Shizi Road, Nanjing, Jiangsu, 210028, China
- State Key Laboratory of Oral Drug Delivery Systems of Chinese Materia Medica, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing, Jiangsu, 210028, China
| | - Jing Wang
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, 100 Shizi Road, Nanjing, Jiangsu, 210028, China.
- State Key Laboratory of Oral Drug Delivery Systems of Chinese Materia Medica, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing, Jiangsu, 210028, China.
| | - Zhenhai Zhang
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, 100 Shizi Road, Nanjing, Jiangsu, 210028, China.
- State Key Laboratory of Oral Drug Delivery Systems of Chinese Materia Medica, Jiangsu Province Academy of Traditional Chinese Medicine, Nanjing, Jiangsu, 210028, China.
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Okada K, Watanabe D, Ono T, Hayashi Y, Kumada S, Onuki Y. TGA and NMR relaxation measurement of nonmesoporous silica to investigate the amount of hydrolysis product in acetylsalicylic acid adsorbed on silica. J Pharm Biomed Anal 2024; 241:115972. [PMID: 38266452 DOI: 10.1016/j.jpba.2024.115972] [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: 11/10/2023] [Revised: 12/27/2023] [Accepted: 01/07/2024] [Indexed: 01/26/2024]
Abstract
This study investigated a crucial surface property of silica that contributes to the chemical stability of acetylsalicylic acid (ASA) physically adsorbed on silica. Hydrophilic nonmesoporous types of silica were selected, and the number of hydroxyl groups on silica (N(OH)) was evaluated using thermogravimetric analysis (TGA). The ASA-containing silica was stored at 40 °C in drying conditions, and the amount of ASA degradation was quantified based on salicylic acid. From the scatterplots between the number of hydroxyl groups per unit weight (specific surface area (SSA) × N(OH)) and the amount of ASA degradation, it was clarified that in ASA adsorbed on silica, the ASA chemical stability was determined by the formula (the SSA × N(OH)). In addition, a time-domain nuclear magnetic resonance measurement verified the N(OH) result by estimating the interaction between the silica surface and water in an aqueous silica suspension. The N(OH) result was found to be reasonable.
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Affiliation(s)
- Kotaro Okada
- Laboratory of Pharmaceutical Technology, School of Pharmacy and Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama-shi, Toyama 930-0194, Japan.
| | - Daichi Watanabe
- Laboratory of Pharmaceutical Technology, School of Pharmacy and Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama-shi, Toyama 930-0194, Japan
| | - Takashi Ono
- Laboratory of Pharmaceutical Technology, School of Pharmacy and Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama-shi, Toyama 930-0194, Japan; Formulation Development Department, Development & Planning Division, Nichi-Iko Pharmaceutical Co., Ltd., 205-1 Shimoumezawa, Namerikawa-shi, Toyama 936-0857, Japan
| | - Yoshihiro Hayashi
- Formulation Development Department, Development & Planning Division, Nichi-Iko Pharmaceutical Co., Ltd., 205-1 Shimoumezawa, Namerikawa-shi, Toyama 936-0857, Japan
| | - Shungo Kumada
- Formulation Development Department, Development & Planning Division, Nichi-Iko Pharmaceutical Co., Ltd., 205-1 Shimoumezawa, Namerikawa-shi, Toyama 936-0857, Japan
| | - Yoshinori Onuki
- Laboratory of Pharmaceutical Technology, School of Pharmacy and Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama-shi, Toyama 930-0194, Japan
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Bianchi MG, Chiu M, Taurino G, Bergamaschi E, Turroni F, Mancabelli L, Longhi G, Ventura M, Bussolati O. Amorphous silica nanoparticles and the human gut microbiota: a relationship with multiple implications. J Nanobiotechnology 2024; 22:45. [PMID: 38291460 PMCID: PMC10826219 DOI: 10.1186/s12951-024-02305-x] [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: 11/03/2023] [Accepted: 01/23/2024] [Indexed: 02/01/2024] Open
Abstract
Amorphous silica nanoparticles (ASNP) are among the nanomaterials that are produced in large quantities. ASNP have been present for a long time in several fast-moving consumer products, several of which imply exposure of the gastrointestinal tract, such as toothpastes, food additives, drug excipients, and carriers. Consolidated use and experimental evidence have consistently pointed to the very low acute toxicity and limited absorption of ASNP. However, slow absorption implies prolonged exposure of the intestinal epithelium to ASNP, with documented effects on intestinal permeability and immune gut homeostasis. These effects could explain the hepatic toxicity observed after oral administration of ASNP in animals. More recently, the role of microbiota in these and other ASNP effects has attracted increasing interest in parallel with the recognition of the role of microbiota in a variety of conditions. Although evidence for nanomaterial effects on microbiota is particularly abundant for materials endowed with bactericidal activities, a growing body of recent experimental data indicates that ASNPs also modify microbiota. The implications of these effects are recounted in this contribution, along with a discussion of the more important open issues and recommendations for future research.
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Affiliation(s)
- Massimiliano G Bianchi
- Lab. of General Pathology, Dept. of Medicine and Surgery, University of Parma, Parma, Italy.
- Interdepartmental Research Centre "Microbiome Research Hub", University of Parma, Parma, Italy.
| | - Martina Chiu
- Lab. of General Pathology, Dept. of Medicine and Surgery, University of Parma, Parma, Italy
| | - Giuseppe Taurino
- Lab. of General Pathology, Dept. of Medicine and Surgery, University of Parma, Parma, Italy
- Interdepartmental Research Centre "Microbiome Research Hub", University of Parma, Parma, Italy
| | - Enrico Bergamaschi
- Department of Public Health Sciences and Paediatrics, University of Turin, Turin, Italy
| | - Francesca Turroni
- Interdepartmental Research Centre "Microbiome Research Hub", University of Parma, Parma, Italy
- Laboratory of Probiogenomics, Department of Chemistry, Life Sciences, and Environmental Sustainability, University of Parma, Parma, Italy
| | - Leonardo Mancabelli
- Interdepartmental Research Centre "Microbiome Research Hub", University of Parma, Parma, Italy
- Laboratory of Probiogenomics, Department of Chemistry, Life Sciences, and Environmental Sustainability, University of Parma, Parma, Italy
| | - Giulia Longhi
- Interdepartmental Research Centre "Microbiome Research Hub", University of Parma, Parma, Italy
| | - Marco Ventura
- Interdepartmental Research Centre "Microbiome Research Hub", University of Parma, Parma, Italy
- Laboratory of Probiogenomics, Department of Chemistry, Life Sciences, and Environmental Sustainability, University of Parma, Parma, Italy
| | - Ovidio Bussolati
- Lab. of General Pathology, Dept. of Medicine and Surgery, University of Parma, Parma, Italy
- Interdepartmental Research Centre "Microbiome Research Hub", University of Parma, Parma, Italy
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Xu P, Shang Z, Li G, Sun Y, He K, Li X. A novel silica-reinforced P(AM/AMPS/SA/TM-SiO2) microspheres for selective adsorption of methylene blue from aqueous solution. Sep Purif Technol 2023. [DOI: 10.1016/j.seppur.2023.123495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/04/2023]
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Jun Loo S, Yun Seah X, Wan Sia Heng P, Wah Chan L. Study of Diminutive Granules as Feed Powders for Manufacturability of High Drug Load Minitablets. Int J Pharm 2023; 638:122922. [PMID: 37019320 DOI: 10.1016/j.ijpharm.2023.122922] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 03/14/2023] [Accepted: 03/31/2023] [Indexed: 04/05/2023]
Abstract
The maximal amount of drug contained in a minitablet is limited. To reduce the total number of minitablets in a single dose, high drug load minitablets can be prepared from high drug load feed powders by various pharmaceutical processing techniques. Few researchers have however examined the influence of pharmaceutical processing techniques on the properties of high drug load feed powders, and consequently the manufacturability of high drug load minitablets. In this study, silicification of the high drug load physical mix feed powders alone did not yield satisfactory quality attributes and compaction parameters to produce good quality minitablets. The abrasive nature of fumed silica increased ejection force and damage to the compaction tools. Granulation of fine paracetamol powder was crucial for the preparation of good quality high drug load minitablets. The diminutive granules had superior powder packing and flow properties for homogenous and consistent filling of the small die cavities when preparing minitablets. Compared to the physical mix feed powders for direct compression, the granules which possessed higher plasticity, lower rearrangement and elastic energies, yielded better quality minitablets with high tensile strength and rapid disintegration time. High shear granulation demonstrated greater process robustness than fluid bed granulation, with less discernment on the quality attributes of feed powder. It could proceed without fumed silica, with the high shear forces reducing interparticulate cohesivity. An in-depth understanding on the properties of high drug load feed powders with inherently poor compactability and poor flowability is important for the manufacturability of high drug load minitablets.
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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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