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Zhu Y, Hu F, Shen C, Shen B, Yuan H. Quercetin nanocrystals for bioavailability enhancement: impact of different functional stabilizers on in vitro/ in vivo drug performances. Pharm Dev Technol 2024; 29:551-558. [PMID: 38808380 DOI: 10.1080/10837450.2024.2361654] [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: 03/01/2024] [Revised: 05/24/2024] [Accepted: 05/27/2024] [Indexed: 05/30/2024]
Abstract
The purpose of this study was to investigate the impact of different functional stabilizers on in vitro/in vivo drug performances after oral administration of drug nanocrystals. Quercetin nanocrystals (QT-NCs) respectively stabilized by five types of functional stabilizers, including hydroxypropyl methyl cellulose E15 (HPMC E15), poloxamer 407 (P407), poloxamer 188 (P188), D-α-tocopherol polyethylene glycol succinate (TPGS), and glycyrrhizin acid (GL), were fabricated by wet media milling technique. The particle size, morphology, physical state, drug solubility, drug dissolution in vitro, and orally pharmacokinetic behaviors of all QT-NCs were investigated. All QT-NCs with similar particle size about 200 nm were obtained by controlling milling speed and milling time. No significant differences in particles shape and crystalline nature were found for QT-NCs stabilized by different functional stabilizers. But the solubility and dissolution of QT-NCs were significantly influenced by the different functional stabilizers. The AUC0∼t of all QT-NCs after oral administration was in the following order: QT-NCs/P188 ≈ QT-NCs/HPMC E15 > QT-NCs/GL > QT-NCs/P407 ≈ QT-NCs/TPGS, and the Cmax showed an order of QT-NCs/P407 > QT-NCs/P188 ≈ QT-NCs/GL > QT-NCs/HPMC E15 > QT-NCs/TPGS. Both of QT-NCs/P407 and QT-NCs/TPGS exhibited faster oral absorption with Tmax at 0.5 h and 0.83 h, respectively, while the other three QT-NCs (QT-NCs/P188, QT-NCs/GL and QT-NCs/HPMC E15) showed a relatively slow absorption with same Tmax at 5.33 h. The longest MRT0∼t (11.72 h) and t1/2z (32.22 h) were observed for QT-NCs/HPMC E15. These results suggested that the different functional stabilizers could significantly influence on drug solubility, drug dissolution in vitro and orally pharmacokinetic behavior of QT-NCs, and it is possible to alter the drug dissolution in vitro, oral absorption and drug retention in vivo by changing the type of functional stabilizers in NCs preparation.
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Affiliation(s)
- Yuwen Zhu
- Key Laboratory of Modern Preparation of Traditional Chinese Medicine, Ministry of Education, Jiangxi University of Chinese Medicine, Nanchang, China
- Department of Pharmacy, Air Force Medical Center, PLA, Beijing, China
| | - Fei Hu
- Key Laboratory of Modern Preparation of Traditional Chinese Medicine, Ministry of Education, Jiangxi University of Chinese Medicine, Nanchang, China
- Department of Pharmacy, Air Force Medical Center, PLA, Beijing, China
| | - Chengying Shen
- Department of Pharmacy, Jiangxi Provincial People's Hospital, the First Affiliated Hospital of Nanchang Medical College, Nanchang, China
| | - Baode Shen
- Key Laboratory of Modern Preparation of Traditional Chinese Medicine, Ministry of Education, Jiangxi University of Chinese Medicine, Nanchang, China
| | - Hailong Yuan
- Department of Pharmacy, Air Force Medical Center, PLA, Beijing, China
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2
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Han R, He H, Lu Y, Lu H, Shen S, Wu W. Oral targeted drug delivery to post-gastrointestinal sites. J Control Release 2024; 370:256-276. [PMID: 38679163 DOI: 10.1016/j.jconrel.2024.04.047] [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: 02/18/2024] [Revised: 03/21/2024] [Accepted: 04/25/2024] [Indexed: 05/01/2024]
Abstract
As an essential branch of targeted drug delivery, oral targeted delivery is attracting growing attention in recent years. In addition to site-specific delivery for the treatment of locoregional diseases in the gastrointestinal tract (GIT), oral targeted delivery to remote sites beyond the GIT emerges as a cutting-edge research topic. This review aims to provide an overview of the fundamental concepts and most recent advances in this field. Owing to the physiological barriers existing in the GIT, carrier systems should be transported across the enteric epithelia to target remote sites. Recently, pioneer investigations have validated the transport of intact micro- or nanocarriers across gastrointestinal barriers and subsequently to various distal organs and tissues. The microfold (M) cell pathway is the leading mechanism underlying the oral absorption of particulates, but the contribution of the transcellular and paracellular pathways should not be neglected either. In addition to well-acknowledged physicochemical and biological factors, the formation of a protein corona may also influence the biological fate of carrier systems. Although in an early stage of conceptualization, oral targeted delivery to remote diseases has demonstrated promising potential for the treatment of inflammation, tumors, and diseases inflicting the lymphatic and mononuclear phagocytosis systems.
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Affiliation(s)
- Rongze Han
- Key Laboratory of Smart Drug Delivery of MOE, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Haisheng He
- Key Laboratory of Smart Drug Delivery of MOE, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Yi Lu
- Key Laboratory of Smart Drug Delivery of MOE, School of Pharmacy, Fudan University, Shanghai 201203, China; Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai 200443, China; Fudan Zhangjiang Institute, Shanghai 201203, China
| | - Huiping Lu
- Pharmacy Department and Center for Medical Research and Innovation, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai 201399, China
| | - Shun Shen
- Pharmacy Department and Center for Medical Research and Innovation, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai 201399, China.
| | - Wei Wu
- Key Laboratory of Smart Drug Delivery of MOE, School of Pharmacy, Fudan University, Shanghai 201203, China; Pharmacy Department and Center for Medical Research and Innovation, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai 201399, China; Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai 200443, China; Fudan Zhangjiang Institute, Shanghai 201203, China.
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3
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Yamada K, Ristroph KD, Kaneko Y, Lu HD, Prud'homme RK, Sato H, Onoue S. Pharmacokinetic control of orally dosed cyclosporine A with mucosal drug delivery system. Biopharm Drug Dispos 2024; 45:117-126. [PMID: 38646776 DOI: 10.1002/bdd.2388] [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: 01/25/2024] [Revised: 03/07/2024] [Accepted: 03/27/2024] [Indexed: 04/23/2024]
Abstract
This study aimed to control the oral absorption of cyclosporine A (CsA) with the use of a mucosal drug delivery system (mDDS). Mucopenetrating nanocarriers (MP/NCs) and mucoadhesive nanocarriers (MA/NCs) were prepared by flash nanoprecipitation employing polystyrene-block-poly(ethylene glycol) and polystyrene-block-poly(N,N-dimethyl aminoethyl methacrylate), respectively. Their particle distribution in the rat gastrointestinal tract were visualized by fluorescent imaging. Plasma concentrations were monitored after oral administration of CsA-loaded MP/NCs (MP/CsA) and MA/NCs (MA/CsA) to rats. MP/NCs and MA/NCs had a particle size below 200 nm and ζ-potentials of 4 and 40 mV, respectively. The results from in vitro experiments demonstrated mucopenetration of MP/NCs and mucoadhesion of MA/NCs. Confocal laser scanning microscopic images showed diffusion of MP/NCs in the gastrointestinal mucus towards epithelial cells and localization of MA/NCs on the surface of the gastrointestinal mucus layer. In a pH 6.8 solution, rapid and sustained release of CsA were observed for MP/CsA and MA/CsA, respectively. After oral dosing (10 mg-CsA/kg) to rats, amorphous CsA powder exhibited a time to maximum plasma concentration (Tmax) of 3.4 h, maximum plasma concentration (Cmax) of 0.12 μg/mL, and bioavailability of 0.7%. Compared with amorphous CsA powder, MP/CsA shortened Tmax by 1.1 to 2.3 h and increased the bioavailability by 43-fold to 30.1%, while MA/CsA prolonged Tmax by 3.4 to 6.8 h with Cmax and bioavailability of 0.65 μg/mL and 11.7%, respectively. These pharmacokinetic behaviors would be explained by their diffusion and release properties modulated by polymeric surface modification. The mDDS approach is a promising strategy for the pharmacokinetic control of orally administered CsA.
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Affiliation(s)
- Kohei Yamada
- Laboratory of Biopharmacy, School of Pharmaceutical Sciences, University of Shizuoka, Shizuoka, Japan
| | - Kurt D Ristroph
- Department of Chemical & Biological Engineering, A301 EQUAD, Princeton University, Princeton, New Jersey, USA
| | - Yuuki Kaneko
- Laboratory of Biopharmacy, School of Pharmaceutical Sciences, University of Shizuoka, Shizuoka, Japan
| | - Hoang D Lu
- Department of Chemical & Biological Engineering, A301 EQUAD, Princeton University, Princeton, New Jersey, USA
| | - Robert K Prud'homme
- Department of Chemical & Biological Engineering, A301 EQUAD, Princeton University, Princeton, New Jersey, USA
| | - Hideyuki Sato
- Laboratory of Biopharmacy, School of Pharmaceutical Sciences, University of Shizuoka, Shizuoka, Japan
| | - Satomi Onoue
- Laboratory of Biopharmacy, School of Pharmaceutical Sciences, University of Shizuoka, Shizuoka, Japan
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Shen B, Zhu Y, Wang F, Deng X, Yue P, Yuan H, Shen C. Fabrication and in vitro/vivo evaluation of quercetin nanocrystals stabilized by glycyrrhizic acid for liver targeted drug delivery. Int J Pharm X 2024; 7:100246. [PMID: 38628619 PMCID: PMC11019285 DOI: 10.1016/j.ijpx.2024.100246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 03/26/2024] [Accepted: 04/07/2024] [Indexed: 04/19/2024] Open
Abstract
The purpose of this study was to design novel drug nanocrystals (NCs) stabilized by glycyrrhizic acid (GL) for achieving liver targeted drug delivery due to the presence of GL receptor in the hepatocytes. Quercetin (QT) exhibits good pharmacological activities for the treatment of liver diseases, including liver steatosis, fatty hepatitis, liver fibrosis, and liver cancer. It was selected as a model drug owing to its poor water solubility. QT NCs stabilized by GL (QT-NCs/GL) were fabricated by wet media milling technique and systemically evaluated. QT-NCs stabilized by poloxamer 188 (QT-NCs/P188) were prepared as a reference for comparison of in vitro and in vivo performance with QT-NCs/GL. QT-NCs/GL and QT-NCs/P188 with similar particle size around 130 nm were successfully fabricated by wet media milling technique. Both of QT-NCs/GL and QT-NCs/P188 showed irregular particles and short rods under SEM. XRPD revealed that QT-NCs/GL and QT-NCs/P188 remained in crystalline state with reduced crystallinity. QT-NCs/GL and QT-NCs/P188 exhibited significant solubility increase and drug release improvement of QT as compared to raw QT. No significant difference for the plasma concentration-time curves and pharmacokinetic parameters of QT were found following intravenous administration of QT-NCs/GL and QT-NCs/P188. However, a significantly higher liver distribution of QT following intravenous administration of QT-NCs/GL was observed in comparison to QT-NCs/P188, indicating QT-NCs stabilized by GL could achieve liver targeted delivery of QT. It could be concluded that GL used as stabilizer of QT NCs have a great potential for liver targeted drug delivery.
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Affiliation(s)
- Baode Shen
- Key Laboratory of Modern Preparation of Traditional Chinese Medicine, Ministry of Education, Jiangxi University of Chinese Medicine, Nanchang 330004, China
| | - Yuwen Zhu
- Key Laboratory of Modern Preparation of Traditional Chinese Medicine, Ministry of Education, Jiangxi University of Chinese Medicine, Nanchang 330004, China
- Department of Pharmacy, Air Force Medical Center, PLA, Beijing 100142, China
| | - Fengxia Wang
- Key Laboratory of Modern Preparation of Traditional Chinese Medicine, Ministry of Education, Jiangxi University of Chinese Medicine, Nanchang 330004, China
| | - Xiang Deng
- Department of Pharmacy, Air Force Medical Center, PLA, Beijing 100142, China
| | - Pengfei Yue
- Key Laboratory of Modern Preparation of Traditional Chinese Medicine, Ministry of Education, Jiangxi University of Chinese Medicine, Nanchang 330004, China
| | - Hailong Yuan
- Department of Pharmacy, Air Force Medical Center, PLA, Beijing 100142, China
| | - Chenying Shen
- Department of Pharmacy, Jiangxi Provincial People's Hospital, the First Affiliated Hospital of Nanchang Medical College, Nanchang 330006, China
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Wang F, Hang L, Dai B, Li F, Zhu Y, Jia H, Ai Y, Wang L, Xue Y, Yuan H. Characterization of herpetrione amorphous nanoparticles stabilized by hydroxypropylmethyl cellulose and its absorption mechanism in vitro. Int J Biol Macromol 2024; 268:131744. [PMID: 38663711 DOI: 10.1016/j.ijbiomac.2024.131744] [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: 12/24/2023] [Revised: 04/10/2024] [Accepted: 04/20/2024] [Indexed: 04/28/2024]
Abstract
Herpetrione(HPE) is an effective compound that has been used in the treatment of liver diseases. To improve its dissolution and absorption, herpetrione nanosuspensions was prepared. Nanosuspensions were proved to achieve intact absorption in vivo. However, the transport mechanisms are not fully understood, especially lack of direct evidence of translocation of particulates. In this study, an environment-responsive dye, P4, was loaded into herpetrione amorphous nanoparticles (HPE-ANPs) to elucidate the absorption and transport mechanism of the nanoparticles. And the amount of HPE and nanoparticles in the samples were quantified using HPLC/LC-MS/MS and IVIS with the model of Caco-2 and Caco-2/HT29-MTX. Results demonstrated that HPE is mainly taken up by passive diffusion in the form of free drugs, while HPE-ANPs are internalized by an energy dependent active transport pathway or intracellular endocytosis. It is speculated that HPE-ANPs may change the original entry pathway of drug molecules. Furthermore, the presence of mucus layer and the use of HPMC E15 may contribute to drug absorption to some extent. Transcellular transport study indicates that HPE-ANPs has a poor absorption. In conclusion, the differences in the absorption behavior trends of HPE-ANPs are caused by the difference in particle properties and the form of existence of the drug.
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Affiliation(s)
- Fang Wang
- Department of Pharmacy, Air Force Medical Center, Air Force Medical University, Beijing 100142, China; School of Medicine, Huaqiao University, Quanzhou 362021, China
| | - Lingyu Hang
- Department of Pharmacy, Air Force Medical Center, Air Force Medical University, Beijing 100142, China
| | - Bo Dai
- Department of Pharmacy, Air Force Medical Center, Air Force Medical University, Beijing 100142, China
| | - Fangqin Li
- Department of Pharmacy, Air Force Medical Center, Air Force Medical University, Beijing 100142, China
| | - Yuwen Zhu
- Department of Pharmacy, Air Force Medical Center, Air Force Medical University, Beijing 100142, China
| | - Haiqiang Jia
- Department of Pharmacy, Air Force Medical Center, Air Force Medical University, Beijing 100142, China; School of Medicine, Huaqiao University, Quanzhou 362021, China
| | - Yu Ai
- Bohai (Tianjin) Medical Laboratory, Tianjin 300400, China
| | - Liqiang Wang
- School of Medicine, Huaqiao University, Quanzhou 362021, China.
| | - Yuye Xue
- Department of Pharmacy, Air Force Medical Center, Air Force Medical University, Beijing 100142, China.
| | - Hailong Yuan
- Department of Pharmacy, Air Force Medical Center, Air Force Medical University, Beijing 100142, China.
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Huang J, Huang S, Liu S, Feng L, Huang W, Wang Y, Huang D, Huang T, Huang X. Preparation of Tetrandrine Nanocrystals by Microfluidic Method and Its In Vitro and In Vivo Evaluation. AAPS PharmSciTech 2023; 25:4. [PMID: 38114843 DOI: 10.1208/s12249-023-02718-1] [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: 09/16/2023] [Accepted: 12/01/2023] [Indexed: 12/21/2023] Open
Abstract
The anti-hepatocellular carcinoma effects of TET are acknowledged, but its application is hindered by its poor water solubility and low bioavailability. Conventional methods for nanocrystal preparation are laborious and lack control. To address these limitations, we propose employing the microfluidic method in the preparation of TET nanocrystals, aiming to enhance the aforementioned constraints. The objectives of this study were to prepare TET nanocrystals (TET-NC@GL) using a Y-microfluidic method with glycyrrhetinic acid (GL) as a stabilizer. The optimal preparation prescription was determined through a single-factor test and Box-Behnken response surface method. Additionally, the nanocrystals prepared with the commonly used stabilizer polyvinylpyrrolidone K30 (PVPK30), known as TET-NC@PVPK30, were characterized and evaluated for their toxicity to HepG2 cells. Hybridized nanocrystals (TET-HNC@GL and TET-HNC@PVPK30) were synthesized using a water-soluble aggregation-induced emission (AIE) fluorescent probe (TVP). Qualitative and quantitative cellular uptake experiments were conducted using these hybridized nanocrystals. Conducting in vivo pharmacokinetic assays evaluates the relative bioavailability of nanocrystals. The results indicated that TET-NC@GL, optimized using the response surface method, had a particle size of 136.47 ± 3.31 nm and a PDI of 0.219 ± 0.002. The administration of TET-NC@GL significantly enhanced the cell inhibition rate compared to the TET group and the TET-NC@PVPK30 group (P < 0.01). Moreover, the qualitative and quantitative cellular uptake results revealed a significant enhancement in cellular uptake in the TET-HNC@GL administration group compared to the TET-HNC@PVPK30 group (P < 0.01). In vivo pharmacokinetic results showed that the bioavailability of TET-NC@GL group was 3.5 times higher than that of the TET group. The results demonstrate the successful preparation of TET-NC@GL nanocrystals.
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Affiliation(s)
- Jinping Huang
- Pharmaceutical College, Guangxi Medical University, Nanning, 530021, China
| | - Shuwen Huang
- The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, China
| | - Shengjun Liu
- Pharmaceutical College, Guangxi Medical University, Nanning, 530021, China
| | - Lizhen Feng
- Pharmaceutical College, Guangxi Medical University, Nanning, 530021, China
| | - Wenxiu Huang
- Pharmaceutical College, Guangxi Medical University, Nanning, 530021, China
| | - Yao Wang
- Pharmaceutical College, Guangxi Medical University, Nanning, 530021, China
| | - Dongyi Huang
- Pharmaceutical College, Guangxi Medical University, Nanning, 530021, China
| | - Tingting Huang
- Pharmaceutical College, Guangxi Medical University, Nanning, 530021, China
| | - Xingzhen Huang
- Pharmaceutical College, Guangxi Medical University, Nanning, 530021, China.
- Guangxi Key Laboratory of Bioactive Molecules Research and Evaluation, Guangxi Medical University, Nanning, 530021, China.
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Zhong Y, Hang L, Wang F, Shen B, Shen C, Xue Y, Jia H, Wang L, Yuan H. Herpetetrone nanosuspensions enhance drug solubility and bioavailability to improve anti-hepatic fibrosis effects. J Microencapsul 2023; 40:587-598. [PMID: 37733492 DOI: 10.1080/02652048.2023.2258974] [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: 11/20/2022] [Accepted: 09/08/2023] [Indexed: 09/23/2023]
Abstract
The aim of this study was to enhance the dissolution rate and oral bioavailability of herpetetrone (HPT) by preparing nanosuspensions (NSs) and evaluate the changes in its anti-hepatic fibrosis effect. Herpetetrone nanosuspension (HPT-NS) was prepared using the ultrasound-precipitation technique, and characterised on the basis of mean diameter, zeta potential (ZP), encapsulation efficiency percent (EE%), scanning electron microscopy (SEM), and X-ray powder diffraction (XRPD). In addition, the pharmacokinetics and anti-hepatic fibrosis activity were evaluated. HPT-NS prepared with the optimised formulation was found to be spherical with mean diameter of 177.48 ± 6.13 nm, polydispersity index (PDI) of 0.108 ± 0.002 and ZP of -17.28 ± 2.02 mV. The EE (m/m, %) was 83.25 ± 0.27. XRPD analyses confirmed that the amorphous state of HPT in HPT-NS remained unchanged. The dissolution rate of HPT-NS was significantly higher than that of HPT coarse suspensions (HPT-CSs). Following oral administration, Cmax and AUC0-t of HPT-NS showed a significant increase (p < 0.05). In vitro, HPT inhibited the proliferation of HSC-T6 cells and induced apoptosis by up-regulating the expression of Bax proteins and down-regulating the expression of Bcl-2 and TGF-β1 proteins. Compared with HPT-CS, HPT-NS exhibited a more pronounced anti-fibrotic effect. HPT-NS, as a new drug formulation designed to improve the solubility and bioavailability of the drug, shows promising potential in enhancing the anti-liver fibrosis effect.
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Affiliation(s)
- Yuji Zhong
- Department of Pharmacy, Air Force Medical Center, PLA, Air Force Medical University, Beijing, China
- School of Medicine, Huaqiao University, Quanzhou, China
| | - Lingyu Hang
- Department of Pharmacy, Air Force Medical Center, PLA, Air Force Medical University, Beijing, China
| | - Fang Wang
- Department of Pharmacy, Air Force Medical Center, PLA, Air Force Medical University, Beijing, China
- School of Medicine, Huaqiao University, Quanzhou, China
| | - Baode Shen
- Department of Pharmacy, Air Force Medical Center, PLA, Air Force Medical University, Beijing, China
| | - Chengying Shen
- Department of Pharmacy, Air Force Medical Center, PLA, Air Force Medical University, Beijing, China
| | - Yuye Xue
- Department of Pharmacy, Air Force Medical Center, PLA, Air Force Medical University, Beijing, China
| | - Haiqiang Jia
- Department of Pharmacy, Air Force Medical Center, PLA, Air Force Medical University, Beijing, China
- School of Medicine, Huaqiao University, Quanzhou, China
| | - Liqiang Wang
- School of Medicine, Huaqiao University, Quanzhou, China
| | - Hailong Yuan
- Department of Pharmacy, Air Force Medical Center, PLA, Air Force Medical University, Beijing, China
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Dinh L, Yan B. Oral Drug Delivery via Intestinal Lymphatic Transport Utilizing Lipid-Based Lyotropic Liquid Crystals. LIQUIDS 2023; 3:456-468. [PMID: 38711572 PMCID: PMC11073766 DOI: 10.3390/liquids3040029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 05/08/2024]
Abstract
Lyotropic liquid crystals (LLCs) are liquids that have crystalline structures. LLCs as drug delivery systems that can deliver hydrophobic, hydrophilic, and amphiphilic agents. Due to their unique phases and structures, LLCs can protect both small molecules and biologics from the gastrointestinal tract's harsh environment, thus making LLCs attractive as carriers for oral drug delivery. In this review, we discuss the advantages of LLCs and LLCs as oral formulations targeting intestinal lymphatic transport. In oral LLC formulations, the relationship between the micelle compositions and the resulting LLC structures as well as intestinal transport and absorption were determined. In addition, we further demonstrated approaches for the enhancement of intestinal lymphatic transport: (1) lipid-based LLCs promoting chylomicron secretion and (2) the design of LLC nanoparticles with M cell-triggered ligands for targeting the M cell pathway. In this review, we introduce LLC drug delivery systems and their characteristics. Our review focuses on recent approaches using oral LLC drug delivery strategies targeting the intestinal lymphatic system to enhance drug bioavailability.
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Affiliation(s)
- Linh Dinh
- Division of Pharmaceutical Sciences, James L. Winkle College of Pharmacy, University of Cincinnati, Cincinnati, OH 45229, USA
| | - Bingfang Yan
- Division of Pharmaceutical Sciences, James L. Winkle College of Pharmacy, University of Cincinnati, Cincinnati, OH 45229, USA
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Xu M, Qi Y, Liu G, Song Y, Jiang X, Du B. Size-Dependent In Vivo Transport of Nanoparticles: Implications for Delivery, Targeting, and Clearance. ACS NANO 2023; 17:20825-20849. [PMID: 37921488 DOI: 10.1021/acsnano.3c05853] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/04/2023]
Abstract
Understanding the in vivo transport of nanoparticles provides guidelines for designing nanomedicines with higher efficacy and fewer side effects. Among many factors, the size of nanoparticles plays a key role in controlling their in vivo transport behaviors due to the existence of various physiological size thresholds within the body and size-dependent nano-bio interactions. Encouraged by the evolving discoveries of nanoparticle-size-dependent biological effects, we believe that it is necessary to systematically summarize the size-scaling laws of nanoparticle transport in vivo. In this review, we summarized the size effect of nanoparticles on their in vivo transport along their journey in the body: begin with the administration of nanoparticles via different delivery routes, followed by the targeting of nanoparticles to intended tissues including tumors and other organs, and eventually clearance of nanoparticles through the liver or kidneys. We outlined the tools for investigating the in vivo transport of nanoparticles as well. Finally, we discussed how we may leverage the size-dependent transport to tackle some of the key challenges in nanomedicine translation and also raised important size-related questions that remain to be answered in the future.
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Affiliation(s)
- Mingze Xu
- Center for Medical Research on Innovation and Translation, Institute of Clinical Medicine, The Second Affiliated Hospital, School of Medicine, South China University of Technology, Guangzhou 510180, P.R. China
| | - Yuming Qi
- Center for Medical Research on Innovation and Translation, Institute of Clinical Medicine, The Second Affiliated Hospital, School of Medicine, South China University of Technology, Guangzhou 510180, P.R. China
| | - Gaoshuo Liu
- Center for Medical Research on Innovation and Translation, Institute of Clinical Medicine, The Second Affiliated Hospital, School of Medicine, South China University of Technology, Guangzhou 510180, P.R. China
| | - Yuanqing Song
- Center for Medical Research on Innovation and Translation, Institute of Clinical Medicine, The Second Affiliated Hospital, School of Medicine, South China University of Technology, Guangzhou 510180, P.R. China
| | - Xingya Jiang
- School of Biomedical Sciences and Engineering, Guangzhou International Campus, South China University of Technology, Guangzhou 511442, P.R. China
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou 510006, P.R. China
- Guangdong Provincial Key Laboratory of Biomedical Engineering, South China University of Technology, Guangzhou 510006, P.R. China
- Key Laboratory of Biomedical Materials and Engineering of the Ministry of Education, South China University of Technology, Guangzhou 510006, P.R. China
| | - Bujie Du
- Center for Medical Research on Innovation and Translation, Institute of Clinical Medicine, The Second Affiliated Hospital, School of Medicine, South China University of Technology, Guangzhou 510180, P.R. China
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Taheri A, Bremmell KE, Joyce P, Prestidge CA. Battle of the milky way: Lymphatic targeted drug delivery for pathogen eradication. J Control Release 2023; 363:507-524. [PMID: 37797891 DOI: 10.1016/j.jconrel.2023.10.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 09/14/2023] [Accepted: 10/01/2023] [Indexed: 10/07/2023]
Abstract
Many viruses, bacteria, and parasites rely on the lymphatic system for survival, replication, and dissemination. While conventional anti-infectives can combat infection-causing agents in the bloodstream, they do not reach the lymphatic system to eradicate the pathogens harboured there. This can result in ineffective drug exposure and reduce treatment effectiveness. By developing effective lymphatic delivery strategies for antiviral, antibacterial, and antiparasitic drugs, their systemic pharmacokinetics may be improved, as would their ability to reach their target pathogens within the lymphatics, thereby improving clinical outcomes in a variety of acute and chronic infections with lymphatic involvement (e.g., acquired immunodeficiency syndrome, tuberculosis, and filariasis). Here, we discuss approaches to targeting anti-infective drugs to the intestinal and dermal lymphatics, aiming to eliminate pathogen reservoirs and interfere with their survival and reproduction inside the lymphatic system. These include optimized lipophilic prodrugs and drug delivery systems that promote lymphatic transport after oral and dermal drug intake. For intestinal lymphatic delivery via the chylomicron pathway, molecules should have logP values >5 and long-chain triglyceride solubilities >50 mg/g, and for dermal lymphatic delivery via interstitial lymphatic drainage, nanoparticle formulations with particle size between 10 and 100 nm are generally preferred. Insight from this review may promote new and improved therapeutic solutions for pathogen eradication and combating infective diseases, as lymphatic system involvement in pathogen dissemination and drug resistance has been neglected compared to other pathways leading to treatment failure.
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Affiliation(s)
- Ali Taheri
- Clinical and Health Sciences, University of South Australia, Adelaide, SA 5000, Australia
| | - Kristen E Bremmell
- Clinical and Health Sciences, University of South Australia, Adelaide, SA 5000, Australia
| | - Paul Joyce
- Clinical and Health Sciences, University of South Australia, Adelaide, SA 5000, Australia
| | - Clive A Prestidge
- Clinical and Health Sciences, University of South Australia, Adelaide, SA 5000, Australia.
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11
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Guo M, Qin S, Wang S, Sun M, Yang H, Wang X, Fan P, Jin Z. Herbal Medicine Nanocrystals: A Potential Novel Therapeutic Strategy. Molecules 2023; 28:6370. [PMID: 37687199 PMCID: PMC10489021 DOI: 10.3390/molecules28176370] [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: 07/15/2023] [Revised: 08/11/2023] [Accepted: 08/25/2023] [Indexed: 09/10/2023] Open
Abstract
Herbal medicines have gained recognition among physicians and patients due to their lower adverse effects compared to modern medicines. They are extensively used to treat various diseases, including cancer, cardiovascular issues, chronic inflammation, microbial contamination, diabetes, obesity, and hepatic disorders, among others. Unfortunately, the clinical application of herbal medicines is limited by their low solubility and inadequate bioavailability. Utilizing herbal medicines in the form of nanocrystals (herbal medicine nanocrystals) has shown potential in enhancing solubility and bioavailability by reducing the particle size, increasing the specific surface area, and modifying the absorption mechanisms. Multiple studies have demonstrated that these nanocrystals significantly improve drug efficacy by reducing toxicity and increasing bioavailability. This review comprehensively examines therapeutic approaches based on herbal medicine nanocrystals. It covers the preparation principles, key factors influencing nucleation and polymorphism control, applications, and limitations. The review underscores the importance of optimizing delivery systems for successful herbal medicine nanocrystal therapeutics. Furthermore, it discusses the main challenges and opportunities in developing herbal medicine nanocrystals for the purpose of treating conditions such as cancer, inflammatory diseases, cardiovascular disorders, mental and nervous diseases, and antimicrobial infections. In conclusion, we have deliberated regarding the hurdles and forthcoming outlook in the realm of nanotoxicity, in vivo kinetics, herbal ingredients as stabilizers of nanocrystals, and the potential for surmounting drug resistance through the utilization of nanocrystalline formulations in herbal medicine. We anticipate that this review will offer innovative insights into the development of herbal medicine nanocrystals as a promising and novel therapeutic strategy.
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Affiliation(s)
- Mengran Guo
- Department of Pharmacy, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Shugang Qin
- Department of Critical Care Medicine, Frontiers Science Center for Disease-Related Molecular Network, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Shiyan Wang
- Department of Pharmacy, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Min Sun
- First Affiliated Hospital of the Medical College, Shihezi University, Shihezi 832008, China
| | - Huiling Yang
- First Affiliated Hospital of the Medical College, Shihezi University, Shihezi 832008, China
| | - Xinchun Wang
- First Affiliated Hospital of the Medical College, Shihezi University, Shihezi 832008, China
| | - Ping Fan
- Department of Pharmacy, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Zhaohui Jin
- Department of Pharmacy, West China Hospital, Sichuan University, Chengdu 610041, China
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12
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Kim KS, Na K, Bae YH. Nanoparticle oral absorption and its clinical translational potential. J Control Release 2023; 360:149-162. [PMID: 37348679 DOI: 10.1016/j.jconrel.2023.06.024] [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: 02/27/2023] [Revised: 06/04/2023] [Accepted: 06/17/2023] [Indexed: 06/24/2023]
Abstract
Oral administration of pharmaceuticals is the most preferred route of administration for patients, but it is challenging to effectively deliver active ingredients (APIs) that i) have extremely high or low solubility in intestinal fluids, ii) are large in size, iii) are subject to digestive and/or metabolic enzymes present in the gastrointestinal tract (GIT), brush border, and liver, and iv) are P-glycoprotein substrates. Over the past decades, efforts to increase the oral bioavailability of APIs have led to the development of nanoparticles (NPs) with non-specific uptake pathways (M cells, mucosal, and tight junctions) and target-specific uptake pathways (FcRn, vitamin B12, and bile acids). However, voluminous findings from preclinical models of different species rarely meet practical standards when translated to humans, and API concentrations in NPs are not within the adequate therapeutic window. Various NP oral delivery approaches studied so far show varying bioavailability impacted by a range of factors, such as species, GIT physiology, age, and disease state. This may cause difficulty in obtaining similar oral delivery efficacy when research results in animal models are translated into humans. This review describes the selection of parameters to be considered for translational potential when designing and developing oral NPs.
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Affiliation(s)
- Kyoung Sub Kim
- Department of Biotechnology, The Catholic University of Korea, 43 Jibong-ro, Wonmi-gu, Bucheon-si, Gyeonggi-do 14662, Republic of Korea
| | - Kun Na
- Department of Biotechnology, The Catholic University of Korea, 43 Jibong-ro, Wonmi-gu, Bucheon-si, Gyeonggi-do 14662, Republic of Korea; Department of BioMedical-Chemical Engineering, The Catholic University of Korea, 43 Jibong-ro, Wonmi-gu, Bucheon-si, Gyeonggi-do 14662, Republic of Korea
| | - You Han Bae
- Department of Molecular Pharmaceutics, University of Utah, Salt Lake City, UT 84112, USA.
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13
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Xia Q, Shen J, Ding H, Liu S, Li F, Li F, Feng N. Intravenous nanocrystals: fabrication, solidification, in vivo fate, and applications for cancer therapy. Expert Opin Drug Deliv 2023; 20:1467-1488. [PMID: 37814582 DOI: 10.1080/17425247.2023.2268512] [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: 03/13/2023] [Accepted: 10/05/2023] [Indexed: 10/11/2023]
Abstract
INTRODUCTION Intravenous nanocrystals (INCs) have shown intrinsic advantages in antitumor applications, particularly their properties of high drug loading, low toxicity, and controllable size. Therefore, it has a very bright application prospect as a drug delivery system. AREAS COVERED The ideal formulation design principles, fabrication, solidification, in vivo fate of INCs, the applications in drug delivery system (DDS) and the novel applications are covered in this review. EXPERT OPINION It is vital to select a suitable formulation and fabrication method to produce a stable and sterile INCs. Besides, the type of stabilizers and physical characteristics can also influence the in vivo fate of INCs, which is worthy of further studying. Based on wide researches about applications of INCs in cancer, biomimetic INCs are concerned increasingly for its favorable compatibility. The output of these studies suggested that INCs-based drug delivery could be a novel strategy for addressing the delivery of the drug that faces solubility, bioavailability, and toxicity problems.
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Affiliation(s)
- Qing Xia
- Department of Pharmaceutical Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Jiaqi Shen
- Department of Pharmaceutical Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Huining Ding
- Department of Pharmaceutical Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Siyi Liu
- Department of Pharmaceutical Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Fei Li
- Department of Pharmaceutics, Shanghai Eighth People's Hospital, Shanghai, China
| | - Fengqian Li
- Department of Pharmaceutics, Shanghai Eighth People's Hospital, Shanghai, China
| | - Nianping Feng
- Department of Pharmaceutical Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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14
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Ji X, Cai Y, Dong X, Wu W, Zhao W. Selection of an aggregation-caused quenching-based fluorescent tracer for imaging studies in nano drug delivery systems. NANOSCALE 2023. [PMID: 37158114 DOI: 10.1039/d3nr01018j] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
In order to develop and optimize nano drug delivery systems (NDDSs), it is crucial to understand their in vivo fate. We previously found that P2 (Aza-BODIPY) and P4 (BODIPY) as aggregation-caused quenching (ACQ) probes could be used to unravel the biofate of various nanoparticles owing to their water-sensitive emission. However, previous studies also found that quenched ACQ probe aggregates showed repartition into hydrophobic physiologically relevant constituents, resulting in fluorescence re-illumination. In this paper, we screened various types of fluorophores for ACQ and their re-illumination performance and focused on Aza-BODIPY dyes. BODIPY and Aza-BODIPY dyes were identified to be advantageous over other fluorophores. Some BODIPY and Aza-BODIPY dyes were selected as potential probes with improved performance against re-illumination. The best performing probes were Aza-C7 and Aza-C8. Aza-C7-loaded PMs were found to have decreased fluorescence re-illumination properties over P2 and DiR.
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Affiliation(s)
- Xin Ji
- Key Laboratory for Special Functional Materials of Ministry of Education, National & Local Joint Engineering Research Center for High-efficiency Display and Lighting Technology, and School of Materials Science and Engineering, Henan University, Kaifeng, 475004, P. R. China.
| | - Yifan Cai
- Key Laboratory of Smart Drug Delivery of MOE, School of Pharmacy, Fudan University, Shanghai 201203, P. R. China
| | - Xiaochun Dong
- Department of Medicinal Chemistry, School of Pharmacy, Fudan University, Shanghai, 201203, P. R. China
| | - Wei Wu
- Key Laboratory of Smart Drug Delivery of MOE, School of Pharmacy, Fudan University, Shanghai 201203, P. R. China
| | - Weili Zhao
- Key Laboratory for Special Functional Materials of Ministry of Education, National & Local Joint Engineering Research Center for High-efficiency Display and Lighting Technology, and School of Materials Science and Engineering, Henan University, Kaifeng, 475004, P. R. China.
- Department of Medicinal Chemistry, School of Pharmacy, Fudan University, Shanghai, 201203, P. R. China
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15
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Sheng Y, Yu Q, Huang Y, Zhu Q, Chen Z, Wu W, Yi T, Lu Y. Pickering Emulsions Enhance Oral Bioavailability of Curcumin Nanocrystals: The Effect of Oil Types. Pharmaceutics 2023; 15:pharmaceutics15051341. [PMID: 37242583 DOI: 10.3390/pharmaceutics15051341] [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: 03/28/2023] [Revised: 04/20/2023] [Accepted: 04/23/2023] [Indexed: 05/28/2023] Open
Abstract
Nanocrystals (NCs) have the potential to enhance the oral bioavailability of Class IV drugs in the Biopharmaceutical Classification System (BCS) due to the absorption of the intact crystals. The performance is compromised by the dissolution of NCs. Drug NCs have recently been adopted as solid emulsifiers to prepare nanocrystal self-stabilized Pickering emulsions (NCSSPEs). They are advantageous in high drug loading and low side effects due to the specific drug loading mode and the absence of chemical surfactants. More importantly, NCSSPEs may further enhance the oral bioavailability of drug NCs by impeding their dissolution. This is especially true for BCS IV drugs. In this study, curcumin (CUR), a typical BCS IV drug, was adopted to prepare CUR-NCs stabilized Pickering emulsions using either indigestible (isopropyl palmitate, IPP) or digestible (soybean oil, SO) oils, i.e., IPP-PEs and SO-PEs. The optimized formulations were spheric with CUR-NCs adsorbed on the water/oil interface. The CUR concentration in the formulation reached 20 mg/mL, which was far beyond the solubility of CUR in IPP (158.06 ± 3.44 μg/g) or SO (124.19 ± 2.40 μg/g). Moreover, the Pickering emulsions enhanced the oral bioavailability of CUR-NCs, being 172.85% for IPP-PEs and 152.07% for SO-PEs. The digestibility of the oil phase affected the amounts of CUR-NCs that remained intact in lipolysis and, thus, the oral bioavailability. In conclusion, converting NCs into Pickering emulsions provides a novel strategy to enhance the oral bioavailability of CUR and BCS IV drugs.
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Affiliation(s)
- Yuze Sheng
- Key Laboratory of Smart Drug Delivery of MOE, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Qin Yu
- Key Laboratory of Smart Drug Delivery of MOE, School of Pharmacy, Fudan University, Shanghai 201203, China
- Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai 200433, China
| | - Yanping Huang
- Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai 200433, China
| | - Quangang Zhu
- Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai 200433, China
| | - Zhongjian Chen
- Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai 200433, China
| | - Wei Wu
- Key Laboratory of Smart Drug Delivery of MOE, School of Pharmacy, Fudan University, Shanghai 201203, China
- Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai 200433, China
- Fudan Zhangjiang Institute, Shanghai 201203, China
| | - Tao Yi
- Faculty of Health Sciences and Sports, Macao Polytechnic University, Macau, China
| | - Yi Lu
- Key Laboratory of Smart Drug Delivery of MOE, School of Pharmacy, Fudan University, Shanghai 201203, China
- Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai 200433, China
- Fudan Zhangjiang Institute, Shanghai 201203, China
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16
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Hang L, Shen C, Xue Y, Wu W, Shen B, Yuan H. Exploring the translocation behaviours in vivo of herpetrione amorphous nanoparticles via oral delivery. J Drug Target 2023; 31:278-285. [PMID: 36322516 DOI: 10.1080/1061186x.2022.2141754] [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: 11/30/2022]
Abstract
Nanotechnology has been a primary strategy to enhance oral bioavailability of poorly water soluble drugs. However, the limited information in vivo fate of impedes the development of nanoparticles via the oral delivery, especially the amorphous nanoparticles with high energy states are rarely reported. This study is to track the translocation of oral herpetrione amorphous nanoparticles (HPE-ANPs). We prepare amorphous particles (ANPs) of various sizes (200 nm and 450 nm), which are embedded with an aggregation-caused quenching (ACQ) dyes for tracking the intact nanoparticles. Nanoparticles remain in the gastrointestinal tract (GIT) for 8 h following oral administration, suggesting that most ANPs was mainly degraded or absorbed in the small intestine. Ex vivo imaging shows that the fluorescent signals are observed in the GIT and liver but not in other organs, which attributed to low absorption of integral nanoparticles. Besides, HPE-ANPs may be directly interact with GIT epithelia, and ileum provides better absorption than the jejunum. Cellular studies prove that integral HPE-ANPs can be taken up by enterocyte, while it penetrates cell monolayers only small amounts. In conclusion, we speculate that the drug in the form of integral nanoparticles and small molecules may be co-absorbed to improve bioavailability in vivo.
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Affiliation(s)
- Lingyu Hang
- Department of Pharmacy, Air Force Medical Center, PLA, Beijing, China
| | - Chengying Shen
- The First Affiliated Hospital of Nanchang Medical College, Jiangxi Provincial People's Hospital, Nanchang, China
| | - Yuye Xue
- Department of Pharmacy, Air Force Medical Center, PLA, Beijing, China
| | - Wei Wu
- Key Laboratory of Smart Drug Delivery of Ministry of Education and PLA, School of Pharmacy, Fudan University, Shanghai, China
| | - Baode Shen
- Key Laboratory of Modern Preparation of T CM, Ministry of Education, Jiangxi University of Chinese Medicine, Nanchang, China
| | - Hailong Yuan
- Department of Pharmacy, Air Force Medical Center, PLA, Beijing, China.,Key Laboratory of Modern Preparation of T CM, Ministry of Education, Jiangxi University of Chinese Medicine, Nanchang, China
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17
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Wu W, Ding Q, Zhou Z, Kuang W, Jiang L, Liu P, Ai W, Zhu W. Transcellular Transport Behavior of the Intact Polymeric Mixed Micelles with Different Polymeric Ratios. AAPS PharmSciTech 2023; 24:69. [PMID: 36792796 DOI: 10.1208/s12249-022-02454-y] [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: 08/31/2022] [Accepted: 10/31/2022] [Indexed: 02/17/2023] Open
Abstract
In order to better promote the application of the polymeric mixed micelles (PMMs) in oral delivery, in addition to focusing on the improvement of micellar structural stability, it is necessary to obtain the absorption characteristics of the intact micellar particles. In this work, the transport behavior across Caco-2 cells of FS/PMMs composed of Pluronic F127 and Solutol HS15 was tracked by encapsulating an environment-responsive probe into the particles. The specific property of the probe is the water-initiated aggregation-caused quenching (ACQ) ability, by which integral particles can be identified accurately. The influence of polymeric ratios (FS) on the transcellular behavior of FS/PMMs was explored and the single pass intestinal perfusion experiment was used to further illustrate it. Moreover, pharmacokinetics parameters were detected to analyze the relationship among FS ratios, transport behavior, and pharmacokinetic parameters. FS ratios were found to hardly affect the endocytosis pathways and intracellular itinerary of FS/PMMs, but do affect the proportion of each path. FS/PMMs with high HS15 content, namely System-I, were found to primarily undergo receptor-mediated endocytosis pathway and be less susceptible to lysosomal degradation, which would lead to more absorption and higher Cmax and AUC than drug suspension. In contrast, despite System-II with high F127 content cannot contribute to drug plasma concentration, it can prolong the in vivo retention time. These findings provided evidence for the role of polymeric ratios in modulating the transcellular absorption and pharmacokinetic parameters of the drug-loaded PMMs, and would be a step forward in helping PMMs' design to enhance oral drug delivery.
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Affiliation(s)
- Wenting Wu
- Institute of Modern Chinese Medicine Pharmaceutical Industry, Jiangxi University of Chinese Medicine, Nanchang, Jiangxi, China
| | - Quan Ding
- Key Laboratory of Modern Chinese Medicine Preparations Ministry of Education, Jiangxi University of Chinese Medicine, Nanchang, Jiangxi, China
| | - Zhiwei Zhou
- Key Laboratory of Modern Chinese Medicine Preparations Ministry of Education, Jiangxi University of Chinese Medicine, Nanchang, Jiangxi, China
| | - Wenliang Kuang
- Key Laboratory of Modern Chinese Medicine Preparations Ministry of Education, Jiangxi University of Chinese Medicine, Nanchang, Jiangxi, China
| | - Lipeng Jiang
- Institute of Modern Chinese Medicine Pharmaceutical Industry, Jiangxi University of Chinese Medicine, Nanchang, Jiangxi, China
| | - Peng Liu
- Institute of Modern Chinese Medicine Pharmaceutical Industry, Jiangxi University of Chinese Medicine, Nanchang, Jiangxi, China
| | - Weiping Ai
- Institute of Modern Chinese Medicine Pharmaceutical Industry, Jiangxi University of Chinese Medicine, Nanchang, Jiangxi, China.
| | - Weifeng Zhu
- Institute of Modern Chinese Medicine Pharmaceutical Industry, Jiangxi University of Chinese Medicine, Nanchang, Jiangxi, China.
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18
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Liang H, Sun C, Feng Z, Wang X, Kong L, Zhu F, Yao J, Yuan X, Liu Z, Zhang G, Li F. Study on Integrated Pharmacokinetics of the Component-Based Chinese Medicine of Ginkgo biloba Leaves Based on Nanocrystalline Solid Dispersion Technology. Int J Nanomedicine 2022; 17:4039-4057. [PMID: 36105621 PMCID: PMC9467298 DOI: 10.2147/ijn.s379736] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Accepted: 08/25/2022] [Indexed: 11/23/2022] Open
Abstract
Background To improve the dissolution and bioavailability of the component-based Chinese medicine of Ginkgo biloba leaves (GBCCM), a novel nanocrystalline solid dispersion of GBCCM (GBCCM NC-SD) was first prepared. Methods GBCCM mainly containing high pure flavonoid aglycones (FAs) and terpenoid lactones (TLs) was used as the model drug. PVP K30 and SDS were used as solubilizers, combined stabilizers and carriers, and GBCCM NC-SD was prepared by high-pressure homogenization combined with freeze-dryer. Morphology and crystal characteristic of GBCCM NC-SD were analyzed. The dissolution and bioavailability evaluation were performed to investigate the feasibility of GBCCM NC-SD by in vitro dissolution and in vivo integrated pharmacokinetic models. Results After homogenizing for 30 cycles under the pressure of 650 bar and freeze-drying, GBCCM NC-SD with uniform quality would be obtained. The particle size, PDI and zeta potential were found to be 335.9 ± 32.8 nm, 0.29 ± 0.02 and −28.4 ± 0.7 mV respectively. Based on charged aerosol detector (CAD) technology, a new chromatographic method for simultaneous detection of eight components in GBCCM was developed. In vitro drug release study showed that the cumulative dissolution of FAs and TLs in GBCCM NC-SD increased from 12.77% to 52.92% (P < 0.01) and 90.91% to 99.21% (P < 0.05) respectively. In comparison with physical mixture of GBCCM and stabilizer (PM), the integrated pharmacokinetics AUC0-t of FAs and TLs in GBCCM NC-SD were significantly increased (P < 0.05), and the T1/2 of TLs was also significantly prolonged (P < 0.05). Conclusion This study demonstrated that novel GBCCM NC-SD was prepared using Polyvinylpyrrolidone K30 (PVP K30) and Sodium dodecyl sulfate (SDS) as a synergetic stabilizer and also provided a feasible way to improve the dissolution and oral bioavailability of poorly soluble candidate antihypertensive drugs.
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Affiliation(s)
- Hongbao Liang
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan, People's Republic of China.,Center for Drug Safety Evaluation, Shandong New Time Pharmaceutical Co., Ltd., Linyi, People's Republic of China.,State Key Laboratory of Generic Manufacture Technology of Chinese Traditional Medicine, Lunan Pharmaceutical Group Co., Ltd., Linyi, People's Republic of China
| | - Chenghong Sun
- Center for Drug Safety Evaluation, Shandong New Time Pharmaceutical Co., Ltd., Linyi, People's Republic of China.,State Key Laboratory of Generic Manufacture Technology of Chinese Traditional Medicine, Lunan Pharmaceutical Group Co., Ltd., Linyi, People's Republic of China
| | - Zhong Feng
- Center for Drug Safety Evaluation, Shandong New Time Pharmaceutical Co., Ltd., Linyi, People's Republic of China.,State Key Laboratory of Generic Manufacture Technology of Chinese Traditional Medicine, Lunan Pharmaceutical Group Co., Ltd., Linyi, People's Republic of China.,School of Pharmaceutical Sciences (Shenzhen), Sun Yat-sen University, Shenzhen, People's Republic of China
| | - Xianzhen Wang
- Center for Drug Safety Evaluation, Shandong New Time Pharmaceutical Co., Ltd., Linyi, People's Republic of China
| | - Lingpeng Kong
- Center for Drug Safety Evaluation, Shandong New Time Pharmaceutical Co., Ltd., Linyi, People's Republic of China.,State Key Laboratory of Generic Manufacture Technology of Chinese Traditional Medicine, Lunan Pharmaceutical Group Co., Ltd., Linyi, People's Republic of China
| | - Feng Zhu
- Center for Drug Safety Evaluation, Shandong New Time Pharmaceutical Co., Ltd., Linyi, People's Republic of China.,State Key Laboratory of Generic Manufacture Technology of Chinese Traditional Medicine, Lunan Pharmaceutical Group Co., Ltd., Linyi, People's Republic of China
| | - Jingchun Yao
- Center for Drug Safety Evaluation, Shandong New Time Pharmaceutical Co., Ltd., Linyi, People's Republic of China.,State Key Laboratory of Generic Manufacture Technology of Chinese Traditional Medicine, Lunan Pharmaceutical Group Co., Ltd., Linyi, People's Republic of China
| | - Xiaomei Yuan
- State Key Laboratory of Generic Manufacture Technology of Chinese Traditional Medicine, Lunan Pharmaceutical Group Co., Ltd., Linyi, People's Republic of China
| | - Zhong Liu
- Center for Drug Safety Evaluation, Shandong New Time Pharmaceutical Co., Ltd., Linyi, People's Republic of China.,State Key Laboratory of Generic Manufacture Technology of Chinese Traditional Medicine, Lunan Pharmaceutical Group Co., Ltd., Linyi, People's Republic of China
| | - Guimin Zhang
- Center for Drug Safety Evaluation, Shandong New Time Pharmaceutical Co., Ltd., Linyi, People's Republic of China.,State Key Laboratory of Generic Manufacture Technology of Chinese Traditional Medicine, Lunan Pharmaceutical Group Co., Ltd., Linyi, People's Republic of China
| | - Feng Li
- School of Pharmacy, Shandong University of Traditional Chinese Medicine, Jinan, People's Republic of China
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19
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The in vivo fate of polymeric micelles. Adv Drug Deliv Rev 2022; 188:114463. [PMID: 35905947 DOI: 10.1016/j.addr.2022.114463] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2022] [Revised: 06/10/2022] [Accepted: 07/15/2022] [Indexed: 12/12/2022]
Abstract
This review aims to provide a systemic analysis of the in vivo, as well as subcellular, fate of polymeric micelles (PMs), starting from the entry of PMs into the body. Few PMs are able to cross the biological barriers intact and reach the circulation. In the blood, PMs demonstrate fairly good stability mainly owing to formation of protein corona despite controversial results reported by different groups. Although the exterior hydrophilic shells render PMs "long-circulating", the biodistribution of PMs into the mononuclear phagocyte systems (MPS) is dominant as compared with non-MPS organs and tissues. Evidence emerges to support that the copolymer poly(ethylene glycol)-poly(lactic acid) (PEG-PLA) is first broken down into pieces of PEG and PLA and then remnants to be eliminated from the body finally. At the cellular level, PMs tend to be internalized via endocytosis due to their particulate nature and disassembled and degraded within the cell. Recent findings on the effect of particle size, surface characteristics and shape are also reviewed. It is envisaged that unraveling the in vivo and subcellular fate sheds light on the performing mechanisms and gears up the clinical translation of PMs.
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20
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Lv Y, Wu W, Corpstein CD, Li T, Lu Y. Biological and Intracellular Fates of Drug Nanocrystals through Different Delivery Routes: Recent Development Enabled by Bioimaging and PK Modeling. Adv Drug Deliv Rev 2022; 188:114466. [PMID: 35905948 DOI: 10.1016/j.addr.2022.114466] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 06/07/2022] [Accepted: 07/22/2022] [Indexed: 12/25/2022]
Abstract
Nanocrystals have contributed to exciting improvements in the delivery of poorly water-soluble drugs. The biological and intracellular fates of nanocrystals are currently under debate. Due to the remarkable commercial success in enhancing oral bioavailability, nanocrystals have originally been regarded as a simple formulation approach to enhance dissolution. However, the latest findings from novel bioimaging tools lead to an expanded view. Intact nanocrystals may offer long-term durability in the body and offer drug delivery capabilities like those of other nano-carriers. This review renews the understanding of the biological fates of nanocrystals administered via oral, intravenous, and parenteral (e.g., dermal, ocular, and pulmonary) routes. The intracellular pathways and dissolution kinetics of nanocrystals are explored. Additionally, the future trends for in vitro and in vivo quantification of nanocrystals, as well as factors impacting the biological and intracellular fates of nanocrystals are discussed. In conclusion, nanocrystals present a promising and underexplored therapeutic opportunity with immense potential.
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Affiliation(s)
- Yongjiu Lv
- Key Laboratory of Smart Drug Delivery of MOE, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Wei Wu
- Key Laboratory of Smart Drug Delivery of MOE, School of Pharmacy, Fudan University, Shanghai 201203, China; Fudan Zhangjiang Institute, Shanghai 201203, China
| | - Clairissa D Corpstein
- Department of Industrial and Physical Pharmacy, College of Pharmacy, Purdue University, West Lafayette, IN 47907, United States
| | - Tonglei Li
- Department of Industrial and Physical Pharmacy, College of Pharmacy, Purdue University, West Lafayette, IN 47907, United States
| | - Yi Lu
- Key Laboratory of Smart Drug Delivery of MOE, School of Pharmacy, Fudan University, Shanghai 201203, China; Fudan Zhangjiang Institute, Shanghai 201203, China.
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21
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Sheng Y, Zhang S, Ling J, Hu C, Zhang Z, Lv H. Oxybutynin nanosuspension gel for enhanced transdermal treatment for overactive bladder syndrome. Pharm Dev Technol 2022; 27:459-468. [DOI: 10.1080/10837450.2022.2078983] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Yuze Sheng
- Department of Pharmaceutics, School of Pharmacy, China Pharmaceutical University, 211198, Nanjing, China
| | - Shuang Zhang
- Department of Pharmaceutics, School of Pharmacy, China Pharmaceutical University, 211198, Nanjing, China
| | - Jiawei Ling
- Department of Pharmaceutics, School of Pharmacy, China Pharmaceutical University, 211198, Nanjing, China
| | - Chenlu Hu
- Department of Pharmaceutics, School of Pharmacy, China Pharmaceutical University, 211198, Nanjing, China
| | - Zhenhai Zhang
- Affiliated Hospital of Integrated Traditional Chinese and Western Medicine, Nanjing University of Chinese Medicine, 210023, Nanjing, China
- Jiangsu Province Academy of Traditional Chinese Medicine, 210028, Nanjing, China
| | - Huixia Lv
- Department of Pharmaceutics, School of Pharmacy, China Pharmaceutical University, 211198, Nanjing, China
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22
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The Study of Cyclosporin A Nanocrystals Uptake and Transport across an Intestinal Epithelial Cell Model. Polymers (Basel) 2022; 14:polym14101975. [PMID: 35631858 PMCID: PMC9147483 DOI: 10.3390/polym14101975] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 05/04/2022] [Accepted: 05/06/2022] [Indexed: 11/17/2022] Open
Abstract
Cyclosporin A nanocrystals (CsA-NCs) interaction with Caco-2 cells were investigated in this study, including cellular uptake and transport across Caco-2 cell monolayers. CsA-NCs of 165 nm, 240 nm and 450 nm were formulated. The dissolution of CsA-NCs was investigated by paddle method. The effect of size, concentration and incubation time on cellular uptake and dissolution kinetics of CsA-NCs in cells were studied. Uptake mechanisms were also evaluated using endocytotic inhibitors and low temperature (4 °C). The cell monolayers were incubated with each diameter CsA-NCs to evaluate the effect of size on the permeation characteristics of CsA across the intestinal mucosa. The results of dissolution study showed that 165 nm CsA-NC had the highest dissolution rate followed by 240 CsA-NC and finally 450 nm CsA-NC. The saturation of cell uptake of CsA-NCs was observed with the increase of incubation concentration and time. 240 nm and 450 nm CsA-NCs had the lowest and highest uptake efficiency at different time and drug concentration, respectively. The uptake of all three-sized CsA-NCs declined significantly in some different degree after the pre-treatment with different endocytosis inhibitors. 165 nm CsA-NC showed a highest transport capacity across monolayers at the same concentration and time. The results suggest that the size of CsA-NCs can not only affect the efficiency of cellular uptake, but also the type of endocytosis. Decreasing particle size of CsA-NCs can improve transport capacity of CsA through cell monolayer.
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Fabrication and In Vitro/Vivo Evaluation of Drug Nanocrystals Self-Stabilized Pickering Emulsion for Oral Delivery of Quercetin. Pharmaceutics 2022; 14:pharmaceutics14050897. [PMID: 35631483 PMCID: PMC9145886 DOI: 10.3390/pharmaceutics14050897] [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: 02/18/2022] [Revised: 03/24/2022] [Accepted: 03/30/2022] [Indexed: 02/01/2023] Open
Abstract
The aim of this study was to develop a new drug nanocrystals self-stabilized Pickering emulsion (NSSPE) for improving oral bioavailability of quercetin (QT). Quercetin nanocrystal (QT–NC) was fabricated by high pressure homogenization method, and QT–NSSPE was then prepared by ultrasound method with QT–NC as solid particle stabilizer and optimized by Box-Behnken design. The optimized QT–NSSPE was characterized by fluorescence microscope (FM), scanning electron micrograph (SEM), X-ray diffraction (XRD), and differential scanning calorimetry (DSC). The stability, in vitro release, and in vivo oral bioavailability of QT–NSSPE were also investigated. Results showed that the droplets of QT–NSSPE with the size of 10.29 ± 0.44 μm exhibited a core-shell structure consisting of a core of oil and a shell of QT–NC. QT–NSSPE has shown a great stability in droplets shape, size, creaming index, zeta potential, and QT content during 30 days storage at 4, 25, and 40 °C. In vitro release studies showed that QT–NSSPE performed a better dissolution behavior (65.88% within 24 h) as compared to QT–NC (50.71%) and QT coarse powder (20.15%). After oral administration, the AUC0–t of QT–NSSPE was increased by 2.76-times and 1.38 times compared with QT coarse powder and QT–NC. It could be concluded that NSSPE is a promising oral delivery system for improving the oral bioavailability of QT.
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Zheng X, Fang Z, Huang W, Qi J, Dong X, Zhao W, Wu W, Lu Y. Ionic co-aggregates (ICAs) based oral drug delivery: Solubilization and permeability improvement. Acta Pharm Sin B 2022; 12:3972-3985. [PMID: 36213530 PMCID: PMC9532535 DOI: 10.1016/j.apsb.2022.04.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 02/26/2022] [Accepted: 03/23/2022] [Indexed: 12/12/2022] Open
Abstract
Due to the overwhelming percentage of poorly water-soluble drugs, pharmaceutical industry is in urgent need of efficient approaches for solubilization and permeability improvement. Salts consisting of lipophilic fatty acid anions and hydrophilic choline cations are found to be surface active and able to form ionic co-aggregates (ICAs) in water. Choline oleate-based ICAs significantly enhance oral absorption of paclitaxel (PTX) as compared with cremophor EL-based micelles (MCs). Aggregation-caused quenching probes enable tracking of intact ICAs in in vivo transport and cellular interaction. Prolonged intestinal retention of ICAs than MCs implies stronger solubilizing capability in vivo. Ex vivo imaging of major organs and intestinal tracts suggests transepithelial transport of intact ICAs. Cellular studies support the enhanced absorption of PTX and transmembrane transport of intact ICAs. In conclusion, ICAs, consisting of lipophilic ions and hydrophilic counter-ions, are of great potential in delivery of poorly water-soluble drugs by enhancing solubility and permeability.
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Affiliation(s)
| | | | | | | | | | | | - Wei Wu
- Corresponding author. Tel.: +86 21 51980084.
| | - Yi Lu
- Corresponding author. Tel.: +86 21 51980084.
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25
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Insight into the in vivo fate of intravenous herpetrione amorphous nanosuspensions by aggregation-caused quenching probes. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.03.108] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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26
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Hang L, Hu F, Shen C, Shen B, Zhu W, Yuan H. Development of herpetrione nanosuspensions stabilized by glycyrrhizin for enhancing bioavailability and synergistic hepatoprotective effect. Drug Dev Ind Pharm 2022; 47:1664-1673. [PMID: 35188016 DOI: 10.1080/03639045.2022.2045304] [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: 10/19/2022]
Abstract
The objective of this study was to develop novel herpetrione (HPE) nanosuspensions stabilized by glycyrrhizin (HPE NSs/GL) for enhancing bioavailability and hepatoprotective effect of HPE. HPE NSs/GL were prepared by wet media milling method and then systemically evaluated by particle size analysis, scanning electronic microscopy (SEM), X-ray powder diffraction (XRPD), dissolution test, pharmacokinetics, and hepatoprotective effect. HPE-NSs stabilized by poloxamer 407 (HPE NSs/P407) were also prepared and used as a reference for comparison. HPE NSs/GL and HPE-NSs/P407 with similar particle sizes around 450 nm and PDI less than 0.2 were successfully prepared and both of them appeared to be spherical under SEM. The XRPD results demonstrated that HPE in both HPE NSs/GL and HPE NSs/P407 was presented in the amorphous state and the addition of GL or P407 and the milling process didn't alter the physical state of HPE. The dissolution and pharmacokinetic studies demonstrated that HPE NSs/GL exhibited significant enhancement in drug dissolution (72.44% within 24 h) and AUC0-t (24.91 ± 3.3 mg/L·h) as compared to HPE coarse suspensions (HPE CS, 34.19% & 13.07 ± 1.02 mg/L·h), but was similar with those of HPE NSs/P407 (80.06% & 26.75 ± 4.06 mg/L•h). Moreover, HPE NSs/GL exhibited significantly better hepatoprotective effect as compared to HPE CS and HPE NSs/P407 as indicated by the lowering of the elevated serum ALT and AST levels and the improvement of the hepatic morphology and architecture, which might be attributed to the improved bioavailability of HPE, and synergistic hepatoprotective effect of GL via alleviating inflammation evidenced by the significant decreased hepatic levels of inflammatory cytokines IL-1β, IL-6 and TNF-α. It could be concluded that GL might be an effective stabilizer for preparing HPE NSs, and HPE NSs/GL is a potential formulation strategy for improving oral bioavailability and hepatoprotective effect of HPE.
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Affiliation(s)
- Lingyu Hang
- Key Lab of Modern Preparation of Traditional Chinese Medicine, Ministry of Education, Jiangxi University of Chinese Medicine, Nanchang, China.,Department of Pharmacy, Air Force Medical Center, PLA, Beijing, China
| | - Fei Hu
- Key Lab of Modern Preparation of Traditional Chinese Medicine, Ministry of Education, Jiangxi University of Chinese Medicine, Nanchang, China.,Department of Pharmacy, Air Force Medical Center, PLA, Beijing, China
| | - Chengying Shen
- Department of Pharmacy, Air Force Medical Center, PLA, Beijing, China
| | - Baode Shen
- Key Lab of Modern Preparation of Traditional Chinese Medicine, Ministry of Education, Jiangxi University of Chinese Medicine, Nanchang, China.,Department of Pharmacy, Air Force Medical Center, PLA, Beijing, China
| | - Weifeng Zhu
- Key Lab of Modern Preparation of Traditional Chinese Medicine, Ministry of Education, Jiangxi University of Chinese Medicine, Nanchang, China
| | - Hailong Yuan
- Key Lab of Modern Preparation of Traditional Chinese Medicine, Ministry of Education, Jiangxi University of Chinese Medicine, Nanchang, China.,Department of Pharmacy, Air Force Medical Center, PLA, Beijing, China
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Liu M, Chen X, Chen H, Wu X, Fan W, Chen J. Nanotechnology-Based Drug Delivery System for Anticancer Active Ingredients from Traditional Chinese Medicines: A Review. THE AMERICAN JOURNAL OF CHINESE MEDICINE 2022; 50:2011-2032. [DOI: 10.1142/s0192415x22500860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
The variable dosage forms of most traditional Chinese medicines (TCMs) could be disadvantaged by low selectivity, poor biological distribution, limited bioavailability with low efficacy, and some adverse effects. These issues limit the control of clinical pharmacodynamics of the antitumor active components. With the progress of science and technology, many new polymer materials and new technologies have emerged, such as nanotechnology, cyclodextrin inclusion, solid dispersion, microcapsule and microsphere technologies. These new technologies provide a good basis for exploring novel TCM dosage forms for overcoming the shortcomings. The increased numbers of new technologies have been used to study TCM dosage forms with remarkable achievements. In this review paper, we will provide a systematic overview of the new dosage forms of nano-formulations and co-medications in relation to nano-delivery systems in an attempt to provide useful references for practical application of active antitumor ingredients from the TCMs.
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Affiliation(s)
- Mengmeng Liu
- Department of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, P. R. China
| | - Xinmei Chen
- Department of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, P. R. China
| | - Hang Chen
- Department of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, P. R. China
| | - Xin Wu
- Department of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, P. R. China
- Shanghai Wei Er Lab, Shanghai 200137, P. R. China
| | - Wei Fan
- Seventh People’s Hospital of Shanghai, University of Traditional Chinese Medicine, Shanghai 200137, P. R. China
| | - Jianming Chen
- Department of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, P. R. China
- Shanghai Wei Er Lab, Shanghai 200137, P. R. China
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28
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Zhang Z, Lu Y, Qi J, Wu W. An update on oral drug delivery via intestinal lymphatic transport. Acta Pharm Sin B 2021; 11:2449-2468. [PMID: 34522594 PMCID: PMC8424224 DOI: 10.1016/j.apsb.2020.12.022] [Citation(s) in RCA: 70] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2020] [Revised: 11/14/2020] [Accepted: 12/07/2020] [Indexed: 12/17/2022] Open
Abstract
Orally administered drug entities have to survive the harsh gastrointestinal environment, penetrate the enteric epithelia and circumvent hepatic metabolism before reaching the systemic circulation. Whereas the gastrointestinal stability can be well maintained by taking proper measures, hepatic metabolism presents as a formidable barrier to drugs suffering from first-pass metabolism. The pharmaceutical academia and industries are seeking alternative pathways for drug transport to circumvent problems associated with the portal pathway. Intestinal lymphatic transport is emerging as a promising pathway to this end. In this review, we intend to provide an updated overview on the rationale, strategies, factors and applications involved in intestinal lymphatic transport. There are mainly two pathways for peroral lymphatic transport-the chylomicron and the microfold cell pathways. The underlying mechanisms are being unraveled gradually and nowadays witness increasing research input and applications.
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Key Words
- ACQ, aggregation-caused quenching
- ASRT, apical sodium-dependent bile acid transporter
- AUC, area under curve
- BCS, biopharmaceutics classification system
- CM, chylomicron
- Chylomicron
- DC, dendritic cell
- DDT, dichlorodiphenyltrichloroethane
- DTX, docetaxel
- Drug absorption
- Drug carriers
- Drug delivery
- FA, fatty acid
- FAE, follicle-associated epithelia
- FRET, Föster resonance energy transfer
- GIT, gastrointestinal tract
- HBsAg, hepatitis B surface antigen
- HIV, human immunodeficiency virus
- LDL, low-density lipoprotein
- LDV, Leu-Asp-Val
- LDVp, LDV peptidomimetic
- Lymphatic transport
- M cell, microfold cells
- MG, monoglyceride
- MPA, mycophenolic acid
- MPS, mononuclear phagocyte system
- Microfold cell
- Nanoparticles
- OA, oleate
- Oral
- PCL, polycaprolactone
- PEG-PLA, polyethylene glycol-poly(lactic acid)
- PEI, polyethyleneimine
- PLGA, poly(lactic-co-glycolic acid)
- PVA, poly(vinyl alcohol)
- RGD, Arg-Gly-Asp
- RGDp, RGD peptidomimetic
- SEDDS, self-emulsifying drug delivery system
- SLN, solid lipid nanoparticles
- SNEDDS, self-nanoemulsifying drug delivery system
- TEM, transmission electron microscopy
- TG, triglyceride
- TPGS, D-α-tocopherol polyethylene glycol 1000 succinate
- TU, testosterone undecanoate
- WGA, wheat germ agglutinin
- YCW, yeast cell wall
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Affiliation(s)
- Zichen Zhang
- Key Laboratory of Smart Drug Delivery of MOE, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Yi Lu
- Key Laboratory of Smart Drug Delivery of MOE, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Jianping Qi
- Key Laboratory of Smart Drug Delivery of MOE, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Wei Wu
- Key Laboratory of Smart Drug Delivery of MOE, School of Pharmacy, Fudan University, Shanghai 201203, China
- Center for Medical Research and Innovation, Shanghai Pudong Hospital, Fudan University Pudong Medical Center, Shanghai 201399, China
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Tian Z, Mai Y, Meng T, Ma S, Gou G, Yang J. Nanocrystals for Improving Oral Bioavailability of Drugs: Intestinal Transport Mechanisms and Influencing Factors. AAPS PharmSciTech 2021; 22:179. [PMID: 34128132 DOI: 10.1208/s12249-021-02041-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Accepted: 05/06/2021] [Indexed: 02/07/2023] Open
Abstract
With the limitation of solubility and dissolution rate of insoluble drugs, following oral administration, they would rifely prove poor and volatile bioavailability, which may fail to realize its therapeutic value. The drug nanocrystals are perceived as effective tactic for oral administration of insoluble drugs attributes to possess many prominent properties such as elevating dissolution rate and saturation solubility, high drug loading capacity, and improving oral bioavailability. Based on these advantages, the application of nanocrystals in oral drug delivery has acquired significant achievement, and so far more than 20 products of drug nanocrystals have been confirmed in the market. However, the oral absorption of drug nanocrystals is still facing huge challenges due to the limitation of many factors. Intrinsic properties of the drugs and complex physiological environment of the intestinal tract are the two most important factors affecting the oral bioavailability of drugs. In addition, the research on the multi-aspect mechanisms of nanocrystals promoting gastrointestinal absorption and bioavailability has been gradually deepened. In this review, we summarized recent advances of the nanocrystals delivered orally, and provided an overview to the research progress for crossing the intestinal tract transport mechanisms of the nanocrystals by some new research techniques. Meanwhile, the factors relevant to the transport of drug nanocrystals were also elaborated in detail. Graphical Abstract.
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30
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Lykins WR, Hansen ME, Sun X, Advincula R, Finbloom JA, Jain AK, Zala Y, Ma A, Desai TA. Impact of Microdevice Geometry on Transit and Retention in the Murine Gastrointestinal Tract. ACS Biomater Sci Eng 2021. [PMID: 33914503 PMCID: PMC10389692 DOI: 10.1021/acsbiomaterials.0c01606] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Oral protein delivery technologies often depend on encapsulating or enclosing the protein cargo to protect it against pH-driven degradation in the stomach or enzymatic digestion in the small intestine. An emergent methodology is to encapsulate therapeutics in microscale, asymmetric, planar microparticles, referred to as microdevices. Previous work has shown that, compared to spherical particles, planar microdevices have longer residence times in the GI tract, but it remains unclear how specific design choices (e.g., material selection, particle diameter) impact microdevice behavior in vivo. Recent advances in microdevice fabrication through picoliter printing have expanded the range of device sizes that can be fabricated in a rapid manner. However, relatively little work has explored how device size governs their behavior in the intestinal environment. In this study, we probe the impact of geometry of planar microdevices on their transit and accumulation in the murine GI tract. Additionally, we present a strategy to label, image, and quantify these distributions in intact tissue in a continuous manner, enabling a more detailed understanding of device distribution and transit kinetics than previously possible. We show that smaller particles (194.6 ± 7 μm.diameter) tend to empty from the stomach faster than midsize (293.2 ± 7 μm.diameter) and larger devices (440.9 ± 9 μm.diameter) and that larger devices distribute more broadly in the GI tract and exit slower than other geometries. In general, we observed an inverse correlation between device diameter and GI transit rate. These results inform the future design of drug delivery systems, using particle geometry as an engineering design parameter to control device accumulation and distribution in the GI tract. Additionally, our image analysis process provides greater insight into the tissue level distribution and transit of particle populations. Using this technique, we demonstrate that microdevices act and translocate independently, as opposed to transiting in one homogeneous mass, meaning that target sites will likely be exposed to devices multiple times over the course of hours post administration. This imaging technique and associated findings enable data-informed design of future particle delivery systems, allowing orthogonal control of transit and distribution kinetics in vivo independent of material and cargo selection.
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Affiliation(s)
- William R Lykins
- University of California Berkeley-University of California San Franciso Graduate Program in Bioengineering, San Francisco, California 94118, United States.,Department of Bioengineering and Therapeutic Sciences, University of California San Francisco, San Francisco, California 94143, United States
| | - M Eva Hansen
- University of California Berkeley-University of California San Franciso Graduate Program in Bioengineering, San Francisco, California 94118, United States.,Department of Bioengineering and Therapeutic Sciences, University of California San Francisco, San Francisco, California 94143, United States
| | - Xiaofei Sun
- Department of Medicine, University of California San Francisco, San Francisco, California 94143, United States
| | - Rommel Advincula
- Department of Medicine, University of California San Francisco, San Francisco, California 94143, United States
| | - Joel A Finbloom
- Department of Bioengineering and Therapeutic Sciences, University of California San Francisco, San Francisco, California 94143, United States
| | | | - Yashoraj Zala
- Sun Pharma Advanced Research Company, Vadodara 390010, India
| | - Averil Ma
- Department of Medicine, University of California San Francisco, San Francisco, California 94143, United States
| | - Tejal A Desai
- University of California Berkeley-University of California San Franciso Graduate Program in Bioengineering, San Francisco, California 94118, United States.,Department of Bioengineering and Therapeutic Sciences, University of California San Francisco, San Francisco, California 94143, United States
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31
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Zoya I, He H, Wang L, Qi J, Lu Y, Wu W. The intragastrointestinal fate of paclitaxel-loaded micelles: Implications on oral drug delivery. CHINESE CHEM LETT 2021. [DOI: 10.1016/j.cclet.2020.09.038] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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32
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Yang Y, Lv Y, Shen C, Shi T, He H, Qi J, Dong X, Zhao W, Lu Y, Wu W. In vivo dissolution of poorly water-soluble drugs: Proof of concept based on fluorescence bioimaging. Acta Pharm Sin B 2021; 11:1056-1068. [PMID: 33996417 PMCID: PMC8105772 DOI: 10.1016/j.apsb.2020.08.002] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2020] [Revised: 06/16/2020] [Accepted: 07/09/2020] [Indexed: 01/10/2023] Open
Abstract
In vitro‒in vivo correlation (IVIVC) of solid dosage forms should be established basically between in vitro and in vivo dissolution of active pharmaceutical ingredients. Nevertheless, in vivo dissolution profiles have never been accurately portrayed. The current practice of IVIVC has to resort to in vivo absorption fractions (Fa). In this proof-of-concept study, in vivo dissolution of a model poorly water-soluble drug fenofibrate (FNB) was investigated by fluorescence bioimaging. FNB crystals were first labeled by near-infrared fluorophores with aggregation-caused quenching properties. The dyes illuminated FNB crystals but quenched immediately and absolutely once been released into aqueous media, enabling accurate monitoring of residual drug crystals. The linearity established between fluorescence and crystal concentration justified reliable quantification of FNB crystals. In vitro dissolution was first measured following pharmacopoeia monograph protocols with well-documented IVIVC. The synchronicity between fluorescence and in vitro dissolution of FNB supported using fluorescence as a measure for determination of dissolution. In vitro dissolution correlated well with in vivo dissolution, acquired by either live or ex vivo imaging. The newly established IVIVC was further validated by correlating both in vitro and in vivo dissolution with Fa obtained from pharmacokinetic data.
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33
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Xia F, Chen Z, Zhu Q, Qi J, Dong X, Zhao W, Wu W, Lu Y. Gastrointestinal lipolysis and trans-epithelial transport of SMEDDS via oral route. Acta Pharm Sin B 2021; 11:1010-1020. [PMID: 33996413 PMCID: PMC8105768 DOI: 10.1016/j.apsb.2021.03.006] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Revised: 12/31/2020] [Accepted: 01/05/2021] [Indexed: 01/08/2023] Open
Abstract
Self-microemulsifying drug delivery systems (SMEDDSs) have recently returned to the limelight of academia and industry due to their enormous potential in oral delivery of biomacromolecules. However, information on gastrointestinal lipolysis and trans-epithelial transport of SMEDDS is rare. Aggregation-caused quenching (ACQ) fluorescent probes are utilized to visualize the in vivo behaviors of SMEDDSs, because the released probes during lipolysis are quenched upon contacting water. Two SMEDDSs composed of medium chain triglyceride and different ratios of Tween-80 and PEG-400 are set as models, meanwhile Neoral® was used as a control. The SMEDDS droplets reside in the digestive tract for as long as 24 h and obey first order kinetic law of lipolysis. The increased chain length of the triglyceride decreases the lipolysis of the SMEDDSs. Ex vivo imaging of main tissues and histological examination confirm the trans-epithelial transportation of the SMEDDS droplets. Approximately 2%-4% of the given SMEDDSs are transported via the lymph route following epithelial uptake, while liver is the main termination. Caco-2 cell lines confirm the cellular uptake and trans-epithelial transport. In conclusion, a fraction of SMEDDSs can survive the lipolysis in the gastrointestinal tract, permeate across the epithelia, translocate via the lymph, and accumulate mainly in the liver.
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Affiliation(s)
- Fei Xia
- Key Laboratory of Smart Drug Delivery of MOE, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Zhongjian Chen
- Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai 200443, China
| | - Quangang Zhu
- Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai 200443, China
| | - Jianping Qi
- Key Laboratory of Smart Drug Delivery of MOE, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Xiaochun Dong
- Key Laboratory of Smart Drug Delivery of MOE, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Weili Zhao
- Key Laboratory of Smart Drug Delivery of MOE, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Wei Wu
- Key Laboratory of Smart Drug Delivery of MOE, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Yi Lu
- Key Laboratory of Smart Drug Delivery of MOE, School of Pharmacy, Fudan University, Shanghai 201203, China
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34
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Shen B, Shen C, Zhu W, Yuan H. The contribution of absorption of integral nanocrystals to enhancement of oral bioavailability of quercetin. Acta Pharm Sin B 2021; 11:978-988. [PMID: 33996410 PMCID: PMC8105875 DOI: 10.1016/j.apsb.2021.02.015] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Revised: 12/27/2020] [Accepted: 01/14/2021] [Indexed: 12/31/2022] Open
Abstract
In this study, self-discriminating hybrid nanocrystals was utilized to explore the biological fate of quercetin hybrid nanocrystals (QT-HNCs) with diameter around 280 nm (QT-HNCs-280) and 550 nm (QT-HNCs-550) following oral and intravenous administration and the contribution of integral nanocrystals to oral bioavailability enhancement of QT was estimated by comparing the absolute exposure of integral QT-HNCs and total QT in the liver. Results showed that QT-HNCs could reside in vivo as intact nanocrystals for as long as 48 h following oral and intravenous administration. A higher accumulation of integral QT-HNCs in liver and lung was observed for both oral and intravenous administration of QT-HNCs. The particle size affects the absorption and biodistribution of integral QT-HNCs and total QT. As compared to QT-HNCs-550, QT-HNCs-280 with smaller particle size is more easily absorbed, but dissolves faster in vivo, leading to higher distribution of QT (146.90 vs. 117.91 h·μg/mL) but lower accumulation of integral nanocrystals (6.8 2e10 vs. 15.27e10 h·[p/s]/[µW/cm²]) in liver following oral administration. Due to its slower dissolution and enhanced recognition by RES, QT-HNCs-550 with larger diameter shows higher liver distribution for both of QT (1015.80 h·μg/mL) and integral nanocrystals (259.63e10 h·[p/s]/[µW/cm²]) than those of QT-HNCs-280 (673.82 & 77.66e10 h·[p/s]/[µW/cm²]) following intravenous administration. The absolute exposure of integral QT-HNCs in liver following oral administration of QT-HNCs are 8.78% for QT-HNCs-280 and 5.88% for QT-HNCs-550, while the absolute exposure of total QT for QT-HNCs-280 and QT-HNCs-550 are 21.80% and 11.61%, respectively. Owing to imprecise quantification method, a surprisingly high contribution of integral QT-HNCs to oral bioavailability enhancement of QT (40.27% for QT-HNCs-280 and 50.65% for QT-HNCs-550) was obtained. These results revealed significant difference in absorption and biodistrbution between integral nanocrystals and overall drugs following oral and intravenous administration of QT-HNCs, and provided a meaningful reference for the contribution of integral nanocrystals to overall bioavailability enhancement.
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Affiliation(s)
- Baode Shen
- Department of Pharmacy, Air Force Medical Center, PLA, Beijing 100142, China
- Key Lab of Modern Preparation of Traditional Chinese Medicine (TCM), Ministry of Education, Jiangxi University of TCM, Nanchang 330004, China
| | - Chengying Shen
- Department of Pharmacy, Air Force Medical Center, PLA, Beijing 100142, China
| | - Weifeng Zhu
- Key Lab of Modern Preparation of Traditional Chinese Medicine (TCM), Ministry of Education, Jiangxi University of TCM, Nanchang 330004, China
| | - Hailong Yuan
- Department of Pharmacy, Air Force Medical Center, PLA, Beijing 100142, China
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35
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Wang Y, Tan X, Fan X, Zhao L, Wang S, He H, Yin T, Zhang Y, Tang X, Jian L, Jin J, Gou J. Current strategies for oral delivery of BCS IV drug nanocrystals: challenges, solutions and future trends. Expert Opin Drug Deliv 2021; 18:1211-1228. [PMID: 33719798 DOI: 10.1080/17425247.2021.1903428] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
INTRODUCTION Oral absorption of BCS IV drug benefits little from improved dissolution. Therefore, the absorption of BCS IV drug nanocrystals 'as a whole' strategy is preferred, and structural modification of nanocrystals is required. Surface modification helps the nanocrystals maintain particle structure before drug dissolution is needed, thus enhancing the oral absorption of BCS IV drugs and promoting therapeutic effect. Here, the main challenges and solutions of oral BCS IV drug nanocrystals delivery are discussed. Moreover, strategies for nanocrystal surface modification that facilitates oral bioavailability of BCS IV drugs are highlighted, and provide insights for the innovation in oral drug delivery. AREAS COVERED Promising size, shape, and surface modification of nanocrystals have gained interests for application in oral BCS IV drugs. EXPERT OPINION Nanocrystal surface modification is a feasible method to maintain the structural integrity of nanocrystals, and the introduced materials can also be modified to integrate additional functions to further facilitate the absorption of nanocrystals. It is expected that the absorption 'as a whole' strategy of nanocrystals will provide different choices for the oral BCS IV drugs.
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Affiliation(s)
- Yue Wang
- Department of Pharmaceutics, Shenyang Pharmaceutical University, Shenyang, China.,Department of Pharmaceutics, School of Pharmacy, Jilin University, Changchun, China
| | - Xinyi Tan
- Department of Pharmaceutics, Shenyang Pharmaceutical University, Shenyang, China
| | - Xinyu Fan
- Department of Pharmacy, Shengjing Hospital of China Medical University, Shenyang, China
| | - Linxuan Zhao
- Department of Pharmaceutics, Shenyang Pharmaceutical University, Shenyang, China.,Department of Pharmaceutics, School of Pharmacy, Jilin University, Changchun, China
| | - Shuhang Wang
- Department of Pharmaceutics, Shenyang Pharmaceutical University, Shenyang, China.,Department of Pharmaceutics, School of Pharmacy, Jilin University, Changchun, China
| | - Haibing He
- Department of Pharmaceutics, Shenyang Pharmaceutical University, Shenyang, China
| | - Tian Yin
- School of Functional Food and Wine, Shenyang Pharmaceutical University, Shenyang, China
| | - Yu Zhang
- Department of Pharmaceutics, Shenyang Pharmaceutical University, Shenyang, China
| | - Xing Tang
- Department of Pharmaceutics, Shenyang Pharmaceutical University, Shenyang, China
| | - Lingyan Jian
- Department of Pharmacy, Shengjing Hospital of China Medical University, Shenyang, China
| | - Jian Jin
- Jiangsu Key Laboratory of Marine Biological Resources and Environment, Jiangsu Key Laboratory of Marine Pharmaceutical Compound Screening, School of Pharmacy, Jiangsu Ocean University, Lianyungang, China
| | - Jingxin Gou
- Department of Pharmaceutics, Shenyang Pharmaceutical University, Shenyang, China
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He H, Wang L, Ma Y, Yang Y, Lv Y, Zhang Z, Qi J, Dong X, Zhao W, Lu Y, Wu W. The biological fate of orally administered mPEG-PDLLA polymeric micelles. J Control Release 2020; 327:725-736. [DOI: 10.1016/j.jconrel.2020.09.024] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2020] [Revised: 09/08/2020] [Accepted: 09/11/2020] [Indexed: 01/09/2023]
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Wang W, Huang Z, Xue K, Li J, Wang W, Ma J, Ma C, Bai X, Huang Y, Pan X, Wu C. Development of Aggregation-Caused Quenching Probe-Loaded Pressurized Metered-Dose Inhalers with Fluorescence Tracking Potentials. AAPS PharmSciTech 2020; 21:296. [PMID: 33099699 DOI: 10.1208/s12249-020-01782-1] [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: 07/08/2020] [Accepted: 08/11/2020] [Indexed: 02/07/2023] Open
Abstract
Recently, pressurized metered-dose inhalers (pMDIs) are getting more attention as an effective approach of pulmonary drug delivery, and nanoparticle-based formulations have become a new generation of pMDIs, especially for water insoluble drugs. Up until now, there is no clinical application of nanoparticle-based pMDIs. The main hurdle remains in the lack of knowledge of the in vivo fate of those systems. In this study, a fluorescent probe named P4 with aggregation-caused quenching (ACQ) effect was loaded in the nanoparticle-based pMDIs to track the in vivo fate. P4 probe expressed strong fluorescence when distributed in intact nanoparticles, but quenched in the in vivo aqueous environment due to molecular aggregation. Experimentally, P4 probe was encapsulated into solid lipid nanoparticles (SLN) as P4-SLN, and then, the formulation of pMDIs was optimized. The content (w/w) of the optimal formulation (P4-SLN-pMDIs) was as follows: 6.02% Pluronic® L64, 12.03% ethanol, 0.46% P4-SLN, and 81.49% 1,1,1,2-tetrafluoroethane (HFA-134a). P4-SLN-pMDI was transparent in appearance, possessed a particle size of 132.07 ± 3.56 nm, and the fine particle fraction (FPF) was 39.53 ± 1.94%, as well good stability was shown within 10 days. The results indicated P4-SLN-pMDI was successfully prepared. Moreover, the ACQ property of P4-SLN-pMDIs was verified, which ensured the fluorescence property as a credible tool for in vivo fate study. Taken together, this work established a platform that could provide a firm theoretical support for exploration of the in vivo fate of nanoparticle-based pMDIs in subsequent studies. Grapical abstract.
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Tai Z, Huang Y, Zhu Q, Wu W, Yi T, Chen Z, Lu Y. Utility of Pickering emulsions in improved oral drug delivery. Drug Discov Today 2020; 25:S1359-6446(20)30370-6. [PMID: 32949702 DOI: 10.1016/j.drudis.2020.09.012] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 07/03/2020] [Accepted: 09/10/2020] [Indexed: 12/12/2022]
Abstract
Pickering emulsions are surfactant-free emulsions stabilized by solid particles. Their unique structure endows them with good stability, excellent biocompatibility, and environmental friendliness. Pickering emulsions have displayed great potential in oral drug delivery. Several-fold increases in the oral bioavailability or bioaccessibility of poorly soluble drugs, such as curcumin, silybin, puerarin, and rutin, were achieved by using Pickering emulsions, whereas controlled release was found for indomethacin and caffeine. The shell of the interfacial particle stabilizers provides enhanced gastrointestinal stability to the cargos in the oil core. Here, we also discuss general considerations concerning particle stabilizers and design strategies to control lipid digestion.
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Affiliation(s)
- Zongguang Tai
- Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai 200443, China; Changhai Hospital, Second Military Medical University, Shanghai 200433, China
| | - Yanping Huang
- Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai 200443, China
| | - Quangang Zhu
- Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai 200443, China
| | - Wei Wu
- Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai 200443, China; School of Pharmacy, Fudan University, Key Laboratory of Smart Drug Delivery of MOE, Shanghai 201203, China
| | - Tao Yi
- School of Health Sciences and Sports, Macao Polytechnic Institute, 00853, Macao
| | - Zhongjian Chen
- Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai 200443, China.
| | - Yi Lu
- Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai 200443, China; School of Pharmacy, Fudan University, Key Laboratory of Smart Drug Delivery of MOE, Shanghai 201203, China.
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Shi T, Lv Y, Huang W, Fang Z, Qi J, Chen Z, Zhao W, Wu W, Lu Y. Enhanced transdermal delivery of curcumin nanosuspensions: A mechanistic study based on co-localization of particle and drug signals. Int J Pharm 2020; 588:119737. [PMID: 32758595 DOI: 10.1016/j.ijpharm.2020.119737] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Revised: 07/19/2020] [Accepted: 08/02/2020] [Indexed: 12/12/2022]
Abstract
Nanosuspensions have received much attention in enhanced transdermal delivery. However, the corresponding mechanisms have not been clarified. In particular, whether nanosuspensions can directly penetrate across the stratum corneum (SC) and what is the transdermal route for the enhanced penetration. Therefore, curcumin (CUR) was adopted in this study as a model drug, while an aggregation-caused quenching (ACQ) probe was physically embedded in CUR nanosuspensions, i.e., the CUR hybrid nanosuspensions (CUR-HNSs), for bioimaging. The ACQ properties enable identification of intact CUR-HNSs. The co-localization of particle and CUR signals was exploited to outline the translocation profiles of intact nanosuspensions as well as the cargoes. Three sizes of CUR-HNSs are prepared, which are spherical and amorphous. CUR is poor in transdermal transport even in propylene glycol solution, which was enhanced by nanosuspensions. Although 400 nm CUR-HNSs present higher steady state flux than 140 nm and 730 nm ones, the cumulative amount of permeated CUR is yet less than 2% of the applied dose at 12 h. Co-localization of CUR and ACQ probe signals indicates that CUR-HNSs can infiltrate into the SC layer and accumulate in the hair follicles. The intact CUR-HNSs cannot enter into the skin. On the contrary, CUR molecules diffuse into the whole skin tissues following dissolution of CUR-HNSs in the SC and the hair follicles. In conclusion, nanosuspensions are advantageous for transdermal delivery of poorly permeable drugs by filtrate into the SC and accumulate in hair follicles.
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Affiliation(s)
- Tingting Shi
- Key Laboratory of Smart Drug Delivery of MOE, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Yongjiu Lv
- Key Laboratory of Smart Drug Delivery of MOE, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Weizi Huang
- Key Laboratory of Smart Drug Delivery of MOE, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Zhezheng Fang
- Key Laboratory of Smart Drug Delivery of MOE, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Jianping Qi
- Key Laboratory of Smart Drug Delivery of MOE, School of Pharmacy, Fudan University, Shanghai 201203, China
| | | | - Weili Zhao
- Key Laboratory of Smart Drug Delivery of MOE, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Wei Wu
- Key Laboratory of Smart Drug Delivery of MOE, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Yi Lu
- Key Laboratory of Smart Drug Delivery of MOE, School of Pharmacy, Fudan University, Shanghai 201203, China.
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40
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Huang Z, Huang Y, Wang W, Fu F, Wang W, Dang S, Li C, Ma C, Zhang X, Zhao Z, Pan X, Wu C. Relationship between particle size and lung retention time of intact solid lipid nanoparticle suspensions after pulmonary delivery. J Control Release 2020; 325:206-222. [PMID: 32619747 DOI: 10.1016/j.jconrel.2020.06.004] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2019] [Revised: 06/02/2020] [Accepted: 06/04/2020] [Indexed: 12/17/2022]
Abstract
The relationship between the particle size and lung retention time of inhaled nanocarriers was unclear, and this uncertainty hampered the design of nanocarriers for pulmonary delivery. The debate resulted from a lack of knowledge regarding the integrity of the involved nanocarriers. A distinguishable bioimaging probe which could differentiate between integrated and disintegrated nanocarriers by emitting different signals was introduced to address this problem. The aza-BODIPY structured aggregation-caused quenching (ACQ) probes were promising candidates, because they showed intense fluorescence signals in intact nanocarriers while quenched after the decomposition of nanocarriers. This attribute was called an on-off switch. In this paper, ACQ probes were encapsulated into a solid lipid nanoparticle suspension (SLNS) with different particle sizes (120-480 nm), and the relationship between particle size and lung retention time after pulmonary delivery was investigated in BALB/c mice. The results showed that a larger particle size led to a longer lung retention time. By comparing with the results of a non-water-quenching probe, the SLNS systems were found to be mostly intact in the pulmonary region. These findings will serve as a firm basis for the design and development of nanocarriers for pulmonary delivery.
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Affiliation(s)
- Zhengwei Huang
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, Guangdong 510006, PR China.
| | - Ying Huang
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, Guangdong 510006, PR China; College of Pharmacy, Jinan University, Guangzhou 510632, PR China.
| | - Wenhua Wang
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, Guangdong 510006, PR China.
| | - Fangqin Fu
- College of Pharmacy, Jinan University, Guangzhou 510632, PR China
| | - Wenhao Wang
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, Guangdong 510006, PR China.
| | - Shishuai Dang
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, Guangdong 510006, PR China.
| | - Cheng Li
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, Guangdong 510006, PR China.
| | - Cheng Ma
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, Guangdong 510006, PR China.
| | - Xuejuan Zhang
- Institute for Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou 510006, PR China
| | - Ziyu Zhao
- Department of Pharmacology, Zhongshan School of Medicine, Sun Yat-Sen University, Guangzhou, Guangdong 510080, PR China.
| | - Xin Pan
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, Guangdong 510006, PR China.
| | - Chuanbin Wu
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, Guangdong 510006, PR China; College of Pharmacy, Jinan University, Guangzhou 510632, PR China.
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41
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Shen C, Zhu J, Song J, Wang J, Shen B, Yuan H, Li X. Formulation of pluronic F127/TPGS mixed micelles to improve the oral absorption of glycyrrhizic acid. Drug Dev Ind Pharm 2020; 46:1100-1107. [DOI: 10.1080/03639045.2020.1775634] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Chengying Shen
- Pharmacy College, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- Air Force Medical Center, PLA, Beijing, China
| | - Junjun Zhu
- Pharmacy College, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- Air Force Medical Center, PLA, Beijing, China
| | - Jiawen Song
- Pharmacy College, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Jing Wang
- Pharmacy College, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- Air Force Medical Center, PLA, Beijing, China
| | - Baode Shen
- Air Force Medical Center, PLA, Beijing, China
| | | | - Xiaofang Li
- Pharmacy College, Chengdu University of Traditional Chinese Medicine, Chengdu, China
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42
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Liu J, Tu L, Cheng M, Feng J, Jin Y. Mechanisms for oral absorption enhancement of drugs by nanocrystals. J Drug Deliv Sci Technol 2020. [DOI: 10.1016/j.jddst.2020.101607] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Abstract
Nanocrystals are used as a drug-delivery platform for poorly water-soluble drugs and have had commercial success in oral drug delivery. We assert that the future of this technique is with cancer treatment and in the development of parenteral preparations. Advances in techniques for uniform and high-quality nanocrystals as well as deciphering the in vivo fate of nanocrystals are critical. The bottom-up technique allows for better control of particle properties, while the hybrid nanocrystal technique provides a novel approach to explore the in vivo fate of nanocrystals. Breakthroughs in these two techniques to further the development of nanocrystals are also discussed.
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44
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Kong J, Wu K, Ji Y, Chen K, Zhang J, Sun H, Liang Y, Liang W, Chang Y, Cheng J, Tong J, Li J, Xing G, Chen G. Enhanced Bioavailability by Orally Administered Sirolimus Nanocrystals. ACS APPLIED BIO MATERIALS 2019; 2:4612-4621. [DOI: 10.1021/acsabm.9b00695] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Jianglong Kong
- College of Food Science, ShiHezi University, ShiHezi 832000, China
- CAS Key Laboratory for Biomedical Effects of Nanomaterial & Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences (CAS), Beijing 100049, China
| | - Kai Wu
- State Key Laboratory of Organic−Inorganic Composites, Beijing University of Chemical Technology, Beijing 100029, China
| | - Ying Ji
- The University of California’s Center for Environmental Implications of Nanotechnology, Los Angeles, California 90095, United States
| | - Kui Chen
- CAS Key Laboratory for Biomedical Effects of Nanomaterial & Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences (CAS), Beijing 100049, China
| | - Jiaxin Zhang
- CAS Key Laboratory for Biomedical Effects of Nanomaterial & Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences (CAS), Beijing 100049, China
| | - Hui Sun
- CAS Key Laboratory for Biomedical Effects of Nanomaterial & Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences (CAS), Beijing 100049, China
| | - Yuelan Liang
- CAS Key Laboratory for Biomedical Effects of Nanomaterial & Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences (CAS), Beijing 100049, China
| | - Wei Liang
- CAS Key Laboratory for Biomedical Effects of Nanomaterial & Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences (CAS), Beijing 100049, China
| | - Yanan Chang
- CAS Key Laboratory for Biomedical Effects of Nanomaterial & Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences (CAS), Beijing 100049, China
| | - Jenny Cheng
- The University of California’s Center for Environmental Implications of Nanotechnology, Los Angeles, California 90095, United States
| | - Junmao Tong
- College of Food Science, ShiHezi University, ShiHezi 832000, China
| | - Juan Li
- CAS Key Laboratory for Biomedical Effects of Nanomaterial & Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences (CAS), Beijing 100049, China
| | - Gengmei Xing
- CAS Key Laboratory for Biomedical Effects of Nanomaterial & Nanosafety, Institute of High Energy Physics, Chinese Academy of Sciences (CAS), Beijing 100049, China
| | - Guogang Chen
- College of Food Science, ShiHezi University, ShiHezi 832000, China
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45
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Wang XH, Liu Y, Shen CY, Shen BD, Zhong RN, Yuan HL. Effect of particle size on in vitro and in vivo behavior of astilbin nanosuspensions. J Drug Deliv Sci Technol 2019. [DOI: 10.1016/j.jddst.2019.05.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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46
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Qi J, Hu X, Dong X, Lu Y, Lu H, Zhao W, Wu W. Towards more accurate bioimaging of drug nanocarriers: turning aggregation-caused quenching into a useful tool. Adv Drug Deliv Rev 2019; 143:206-225. [PMID: 31158405 DOI: 10.1016/j.addr.2019.05.009] [Citation(s) in RCA: 137] [Impact Index Per Article: 27.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2018] [Revised: 05/04/2019] [Accepted: 05/29/2019] [Indexed: 01/12/2023]
Abstract
One of the current challenges in the monitoring of drug nanocarriers lies in the difficulties in discriminating the carrier-bound signals from the bulk signals of probes. Environment-responsive probes that enable signal switching are making steps towards a solution to this problem. Aggregation-caused quenching (ACQ), a phenomenon generally regarded as unfavorable in bioimaging, has turned out to be a promising characteristic for achieving environment-responsiveness and eliminating free-probe interference. So-called ACQ probes emit fluorescence when dispersed molecularly within the carrier matrix but quench immediately and absolutely once they are released into the ambient aqueous environment upon the degradation of the nanocarriers. Therefore, the fluorescence observed represents integral nanocarriers. Based on this rationale, the in vivo fates of various nanocarriers have been explored using live imaging equipment, with very interesting findings revealing the role of the particles. The current applications are however restricted to nanocarriers with highly hydrophobic matrices (lipid or polyester nanoparticles) or with a hydrophobic core-hydrophilic shell structure (micelles). The ACQ-based bioimaging strategy is emerging as a promising tool to achieve more accurate bioimaging of drug nanocarriers. This review article provides an overview of the ACQ phenomenon and the rationale for and examples of applications, as well as the limitations of the ACQ-based strategy, with a focus on improving the accuracy of bioimaging of nanoparticles.
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47
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Lu Y, Lv Y, Li T. Hybrid drug nanocrystals. Adv Drug Deliv Rev 2019; 143:115-133. [PMID: 31254558 DOI: 10.1016/j.addr.2019.06.006] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2019] [Revised: 06/14/2019] [Accepted: 06/24/2019] [Indexed: 01/01/2023]
Abstract
Nanocrystals show promise to deliver poorly water-soluble drugs to yield systemic exposure. However, our knowledge regarding the in vivo fate of nanocrystals is in its infancy, as nanocrystallization is simply viewed as an approach to enhance the dissolution of drug crystals. The dying crystal phenomenon inspired the development of hybrid nanocrystals by physically embedding fluorophores into the crystal lattice. This approach achieved concurrent therapy and bioimaging and is well-established to study pharmacokinetics and nanocrystal dissolution in vivo. Nanocrystals also offer the advantage of long-term durability in the body for interacting with biological tissues and cells. This review introduces the hybrid nanocrystal technique, including the theoretical concepts, preparation, and applications. We also discuss the latest development in self-discriminative hybrid nanocrystals utilizing environment-responsive probes. This review will stimulate further development and application of nanocrystal-based drug delivery systems for theranostic strategies.
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Affiliation(s)
- Yi Lu
- Department of Industrial & Physical Pharmacy, College of Pharmacy, Purdue University, West Lafayette, IN 47907, USA; Key Laboratory of Smart Drug Delivery of MOE, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Yongjiu Lv
- Key Laboratory of Smart Drug Delivery of MOE, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Tonglei Li
- Department of Industrial & Physical Pharmacy, College of Pharmacy, Purdue University, West Lafayette, IN 47907, USA.
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48
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Mohammad IS, Hu H, Yin L, He W. Drug nanocrystals: Fabrication methods and promising therapeutic applications. Int J Pharm 2019; 562:187-202. [PMID: 30851386 DOI: 10.1016/j.ijpharm.2019.02.045] [Citation(s) in RCA: 83] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Revised: 02/07/2019] [Accepted: 02/25/2019] [Indexed: 12/29/2022]
Abstract
The drug nanocrystals (NCs) with unique physicochemical properties are now considered as a promising drug delivery system for poorly water-soluble drugs. So far >20 formulations of NCs have been approved in the market. In this review, we summarized recent advances of NCs with emphasis on their therapeutic applications based on administration route and disease states. At the end, we present a brief description of the future perspectives of NCs and their potential role as a promising drug delivery system. As a strategy for solubilization and bioavailability enhancement, the NCs have gained significant success. Besides this, the function of NCs is still far from developed. The emerging NC-based drug delivery approach would widen the applications of NCs in drug delivery and bio-medical field. Their in vitro and in vivo fate is extremely unclear; and the development of hybrid NCs with environment-sensitive fluorophores may assist to extend the scope of bio-imaging and provide better insight to their intracellular uptake kinetics, in vitro and in vivo.
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Affiliation(s)
- Imran Shair Mohammad
- Department of Pharmaceutics, School of Pharmacy, China Pharmaceutical University, Nanjing 211198, PR China; School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, PR China
| | - Haiyan Hu
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou 510006, PR China
| | - Lifang Yin
- Department of Pharmaceutics, School of Pharmacy, China Pharmaceutical University, Nanjing 211198, PR China.
| | - Wei He
- Shanghai Dermatology Hospital, Shanghai 200443, PR China; Department of Pharmaceutics, School of Pharmacy, China Pharmaceutical University, Nanjing 211198, PR China.
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49
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Ren X, Qi J, Wu W, Yin Z, Li T, Lu Y. Development of carrier-free nanocrystals of poorly water-soluble drugs by exploring metastable zone of nucleation. Acta Pharm Sin B 2019; 9:118-127. [PMID: 30766783 PMCID: PMC6361733 DOI: 10.1016/j.apsb.2018.05.004] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2018] [Revised: 03/27/2018] [Accepted: 04/12/2018] [Indexed: 12/27/2022] Open
Abstract
There has been increasing interest in research and development of nanocrystals for the delivery of poorly water-soluble drugs that can be directly produced from solution. Compared with traditional carrier-based or encapsulation designs, drug nanocrystals circumvent possible side-effects due to carrier polymers and poor stability issues associated with encapsulation. The production of carrier-free nanocrystals requires careful control of nucleation and thus a thorough understanding of the relevant solution's metastable zone. A solution may stay supersaturated without forming any nuclei and become metastable. The maximal degree of supersaturation is known as the metastable zone width. When nucleation is triggered directly from the metastable zone, it helps to produce homogeneous nuclei leading to uniform nanocrystals. Herein, we report a study in which the solubility and metastable limit of paclitaxel (PTX) in ethanol aqueous solution were measured at 40 °C. A wide range of metastable compositions were studied to prepare carrier-free PTX nanocrystals with particle size smaller than 250 nm and PDI less than 0.25. Compared with the raw material, dissolution rate of PTX nanocrystals was significantly increased. The study enables production of high-quality drug nanocrystals for treating patients.
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Affiliation(s)
- Xiaoting Ren
- Key Laboratory of Drug Targeting and Drug Delivery Systems, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
| | - Jianping Qi
- Department of Pharmaceutics, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Wei Wu
- Department of Pharmaceutics, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Zongning Yin
- Key Laboratory of Drug Targeting and Drug Delivery Systems, West China School of Pharmacy, Sichuan University, Chengdu 610041, China
- Corresponding Author at: Key Laboratory of Drug Targeting and Drug Delivery Systems, West China School of Pharmacy, Sichuan University, Chengdu, 610041, China.
| | - Tonglei Li
- Department of Industrial and Physical Pharmacy, College of Pharmacy, Purdue University, West Lafayette, IN 47907, USA
- Corresponding Author at: Department of Industrial and Physical Pharmacy, College of Pharmacy, Purdue University, West Lafayette, IN 47907, USA.
| | - Yi Lu
- Department of Pharmaceutics, School of Pharmacy, Fudan University, Shanghai 201203, China
- Corresponding Author at: Department of Pharmaceutics, School of Pharmacy, Fudan University, 826 Zhangheng Road, Shanghai, 201203, China.
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Liu D, Wan B, Qi J, Dong X, Zhao W, Wu W, Dai Y, Lu Y, Chen Z. Permeation into but not across the cornea: Bioimaging of intact nanoemulsions and nanosuspensions using aggregation-caused quenching probes. CHINESE CHEM LETT 2018. [DOI: 10.1016/j.cclet.2018.11.015] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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