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How is a micelle formed from amphiphilic polymers in a dialysis process: Insight from mesoscopic studies. Chem Phys Lett 2020. [DOI: 10.1016/j.cplett.2020.137711] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Feng YH, Zhang XP, Zhao ZQ, Guo XD. Dissipative Particle Dynamics Aided Design of Drug Delivery Systems: A Review. Mol Pharm 2020; 17:1778-1799. [DOI: 10.1021/acs.molpharmaceut.0c00175] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Yun Hao Feng
- Beijing Laboratory of Biomedical Materials, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, P.R. China
- Key Lab of Biomedical Materials of Natural Macromolecules (Beijing University of Chemical Technology), Ministry of Education, Beijing 100029, China
| | - Xiao Peng Zhang
- Beijing Laboratory of Biomedical Materials, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, P.R. China
- Key Lab of Biomedical Materials of Natural Macromolecules (Beijing University of Chemical Technology), Ministry of Education, Beijing 100029, China
| | - Ze Qiang Zhao
- Beijing Laboratory of Biomedical Materials, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, P.R. China
- Key Lab of Biomedical Materials of Natural Macromolecules (Beijing University of Chemical Technology), Ministry of Education, Beijing 100029, China
| | - Xin Dong Guo
- Beijing Laboratory of Biomedical Materials, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, P.R. China
- Key Lab of Biomedical Materials of Natural Macromolecules (Beijing University of Chemical Technology), Ministry of Education, Beijing 100029, China
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Sigfridsson K, Skantze U, Skantze P, Johansson S, Grant I, Smedsrød B, Fuglesteg B, Elvevold K, Lindfors L. Nanocrystal formulations of a poorly soluble drug. 1. In vitro characterization of stability, stabilizer adsorption and uptake in liver cells. Int J Pharm 2016; 518:29-40. [PMID: 28012994 DOI: 10.1016/j.ijpharm.2016.12.035] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2016] [Revised: 11/25/2016] [Accepted: 12/15/2016] [Indexed: 12/27/2022]
Abstract
In the present work, milled nanocrystals of a poorly soluble compound using different stabilizers were prepared and characterized. The aim of the study was to evaluate a fundamental set of properties of the formulations prior to i.v. injection of the particles. Two polyethylene oxide containing stabilizers; (distearoyl phosphatidylethanol amine (DSPE)) -PEG2000 and the triblock copolymer Pluronic F127, were investigated, with and without polyvinylpyrrolidone K30/Aerosol OT (PVP/AOT) present. The solubility in water was around 10nM for the compound, measured from nanocrystals, but 1000 times higher in 4% human serum albumin. The particles were physically stable during the time investigated. The zeta potential was around -30 and -10mV for DSPE-PEG2000 and Pluronic F127 stabilized particles, respectively, at the conditions selected. The dissolution rate was similar for all four formulations and similar to the theoretically predicted rate. Critical micelle concentrations were determined as 56nM and 1.4μM for DSPE-PEG2000 and Pluronic F127, respectively. The adsorption isotherms for the PEG lipid showed a maximum adsorbed amount of about 1.3mg/m2, with and without PVP/AOT. Pluronic F127 showed a higher maximum amount adsorbed, at around 3.1mg/m2, and marginally lower with PVP/AOT present. Calculated data showed that the layer of Pluronic F127 was thicker than the corresponding DSPE-PEG2000 layer. The total amount of particles distributed mainly to the liver, and the hepatocellular distribution in vitro (Liver sinusoidal endothelial cells and Kupffer cells), differed depending on the stabilizing mixture on the particles. Overall, DSPE-PEG2000 stabilized nanocrystals (with PVP/AOT) accumulated to a larger degree in the liver compared to particles with Pluronic F127 on the surface. A theoretical model was developed to interpret in vivo pharmacokinetic profiles, explaining the balance between dissolution and liver uptake. With the present, fundamental data of the nanocrystal formulations, the platform for forthcoming in vivo studies was settled.
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Affiliation(s)
- Kalle Sigfridsson
- Pharmaceutical Sciences, AstraZeneca R&D, Gothenburg, S-431 83 Mölndal, Sweden.
| | - Urban Skantze
- Pharmaceutical Sciences, AstraZeneca R&D, Gothenburg, S-431 83 Mölndal, Sweden
| | - Pia Skantze
- Pharmaceutical Sciences, AstraZeneca R&D, Gothenburg, S-431 83 Mölndal, Sweden
| | - Svante Johansson
- Pharmaceutical Sciences, AstraZeneca R&D, Gothenburg, S-431 83 Mölndal, Sweden
| | - Iain Grant
- Pharmaceutical Sciences, AstraZeneca R&D Macclesfield, Silk Road Business Park, Macclesfield, SK10 2NA, UK
| | - Bård Smedsrød
- D'Liver AS, 9294 Tromsø, Norway; Vascular Biology Research Group, Department of Medical Biology, University of Tromsø, Tromsø, Norway
| | | | | | - Lennart Lindfors
- Pharmaceutical Sciences, AstraZeneca R&D, Gothenburg, S-431 83 Mölndal, Sweden
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Abstract
With the refinement of functional properties, the interest around biodegradable materials, in biorelated applications and, in particular, in their use as controlled drug-delivery systems, increased in the last decades. Biodegradable materials are an ideal platform to obtain nanoparticles for spatiotemporal controlled drug delivery for the in vivo administration, thanks to their biocompatibility, functionalizability, the control exerted on delivery rates and the complete degradation. Their application in systems for cancer treatment, brain and cardiovascular diseases is already a consolidated practice in research, while the bench-to-bedside translation is still late. This review aims at summarizing reported applications of biodegradable materials to obtain drug-delivery nanoparticles in the last few years, giving a complete overview of pros and cons related to degradable nanomedicaments.
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Wong TL, An YQ, Yan BC, Yue RQ, Zhang TB, Ho HM, Ren TJ, Fung HY, Ma DL, Leung CH, Liu ZL, Pu JX, Han QB, Sun HD. Comprehensive quantitative analysis of Chinese patent drug YinHuang drop pill by ultra high-performance liquid chromatography quadrupole time of flight mass spectrometry. J Pharm Biomed Anal 2016; 125:415-26. [DOI: 10.1016/j.jpba.2016.04.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2016] [Revised: 04/06/2016] [Accepted: 04/07/2016] [Indexed: 01/14/2023]
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