101
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Gong C, Wang C, Wang Y, Wu Q, Zhang D, Luo F, Qian Z. Efficient inhibition of colorectal peritoneal carcinomatosis by drug loaded micelles in thermosensitive hydrogel composites. NANOSCALE 2012; 4:3095-3104. [PMID: 22535210 DOI: 10.1039/c2nr30278k] [Citation(s) in RCA: 89] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
In this work, we aim to develop a dual drug delivery system (DDDS) of self-assembled micelles in thermosensitive hydrogel composite to deliver hydrophilic and hydrophobic drugs simultaneously for colorectal peritoneal carcinomatosis (CRPC) therapy. In our previous studies, we found that poly(ε-caprolactone)-poly(ethylene glycol)-poly(ε-caprolactone) (PCEC) copolymers with different molecular weight and PEG/PCL ratio could be administered to form micelles or thermosensitive hydrogels, respectively. Therefore, the DDDS was constructed from paclitaxel (PTX) encapsulated PCEC micelles (PTX-micelles) and a fluorouracil (Fu) loaded thermosensitive PCEC hydrogel (Fu-hydrogel). PTX-micelles were prepared by self-assembly of biodegradable PCEC copolymer (M(n) = 3700) and PTX without using any surfactants or excipients. Meanwhile, biodegradable and injectable thermosensitive Fu-hydrogel (M(n) = 3000) with a lower sol-gel transition temperature at around physiological temperature was also prepared. The obtained PTX-micelles in thermosensitive Fu-hydrogel (PTX-micelles-Fu-hydrogel) composite is a free-flowing sol at ambient temperature and rapidly turned into a non-flowing gel at physiological temperature. In addition, the results of cytotoxicity, hemolytic study, and acute toxicity evaluation suggested that the PTX-micelles-Fu-hydrogel was non-toxic and biocompatible. In vitro release behaviors of PTX-micelles-Fu-hydrogel indicated that both PTX and Fu have a sustained release behavior. Furthermore, intraperitoneal application of PTX-micelles-Fu-hydrogel effectively inhibited growth and metastasis of CT26 peritoneal carcinomatosis in vivo (p < 0.001), and induced a stronger antitumor effect than that of Taxol® plus Fu (p < 0.001). The pharmacokinetic study indicated that PTX-micelles-Fu-hydrogel significantly increased PTX and Fu concentration and residence time in peritoneal fluids compared with Taxol® plus Fu group. Thus, the results suggested the micelles-hydrogel DDDS may have great potential clinical applications.
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Affiliation(s)
- Changyang Gong
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, West China Medical School, Sichuan University, Chengdu 610041, China
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102
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Yoo HS. Photo-cross-linkable and thermo-responsive hydrogels containing chitosan and Pluronic for sustained release of human growth hormone (hGH). JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2012; 18:1429-41. [DOI: 10.1163/156856207782246803] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- Hyuk Sang Yoo
- a Department of Biomaterials Engineering, School of Bioscience and Biotechnology Kangwon National University, Hyoja-2-dong, Chuncheon 200-701, South Korea
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103
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Feng J, Zhuo RX, Zhang XZ. Construction of functional aliphatic polycarbonates for biomedical applications. Prog Polym Sci 2012. [DOI: 10.1016/j.progpolymsci.2011.07.008] [Citation(s) in RCA: 222] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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104
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Hamidi M, Shahbazi MA, Rostamizadeh K. Copolymers: Efficient Carriers for Intelligent Nanoparticulate Drug Targeting and Gene Therapy. Macromol Biosci 2012; 12:144-164. [DOI: 10.1002/mabi.201100193] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/30/2023]
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105
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Tran VT, Karam JP, Garric X, Coudane J, Benoît JP, Montero-Menei CN, Venier-Julienne MC. Protein-loaded PLGA–PEG–PLGA microspheres: A tool for cell therapy. Eur J Pharm Sci 2012; 45:128-37. [DOI: 10.1016/j.ejps.2011.10.030] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2011] [Revised: 10/25/2011] [Accepted: 10/31/2011] [Indexed: 11/15/2022]
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106
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Shinde UP, Joo MK, Moon HJ, Jeong B. Sol–gel transition of PEG–PAF aqueous solution and its application for hGH sustained release. ACTA ACUST UNITED AC 2012. [DOI: 10.1039/c2jm15419f] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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107
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Kim M, Jung B, Park JH. Hydrogel swelling as a trigger to release biodegradable polymer microneedles in skin. Biomaterials 2012; 33:668-78. [DOI: 10.1016/j.biomaterials.2011.09.074] [Citation(s) in RCA: 146] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2011] [Accepted: 09/27/2011] [Indexed: 11/25/2022]
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108
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Photo-Crosslinkable Poly(trimethylene carbonate)-Based Macromers for Closure of Ruptured Intervertebral Discs. ACTA ACUST UNITED AC 2011. [DOI: 10.1002/masy.201100047] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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109
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Mathew S, Lendlein A, Wischke C. Degradation Behavior of Porous Copolyester Microparticles in the Light of Dynamic Changes in Their Morphology. ACTA ACUST UNITED AC 2011. [DOI: 10.1002/masy.201100059] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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110
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Wang X, Li X, Li Y, Zhou Y, Fan C, Li W, Ma S, Fan Y, Huang Y, Li N, Liu Y. Synthesis, characterization and biocompatibility of poly(2-ethyl-2-oxazoline)-poly(D,L-lactide)-poly(2-ethyl-2-oxazoline) hydrogels. Acta Biomater 2011; 7:4149-59. [PMID: 21810488 DOI: 10.1016/j.actbio.2011.07.011] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2011] [Revised: 06/30/2011] [Accepted: 07/07/2011] [Indexed: 11/30/2022]
Abstract
A novel thermoreversible hydrogel based on poly(2-ethyl-2-oxazoline)-derived amphiphilic triblock copolymer, poly(2-ethyl-2-oxazoline)-poly(D,L-lactide)-poly(2-ethyl-2-oxazoline) (PEOz-PLA-PEOz), was developed. The synthesis of PEOz-PLA-PEOz was carried out by coupling monohydroxylated PEOz-PLA diblocks with adipoyl chloride as coupling agent and dimethylamino pyridine as catalyst. The tube inverting and rheological tests showed that triblock copolymers had sol-gel-sol transition behavior with increasing temperature, and the gelation was found to be thermoreversible. The critical gelation concentration, the sol-gel transition temperature at a given concentration depended on the EOz/LA ratio and the molecular weight of PEOz. Scanning electron microscopy observation revealed that the resultant bulky gel exhibited an interconnected porous three-dimensional (3D) microstructure after freeze-drying. In addition, the hydrogels showed good cytocompatibility in vitro. MTT assays revealed that the human skin fibroblast cells encapsulated within the hydrogels were viable and proliferated inside the 3D scaffold. This newly described thermoreversible hydrogel demonstrated attractive properties to serve as cell matrix for a variety of tissue engineering applications or pharmaceutical delivery vehicles.
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Affiliation(s)
- X Wang
- Department of Pharmaceutics, School of Pharmaceutical Sciences, Peking University, Beijing 100191, People's Republic of China
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111
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Wischke C, Tripodo G, Choi NY, Lendlein A. Hydrolytic Degradation Behavior of Poly(rac-
lactide)-block-
poly(propylene glycol)-block-
poly(rac-
lactide) Dimethacrylate Derived Networks Designed for Biomedical Applications. Macromol Biosci 2011; 11:1637-46. [DOI: 10.1002/mabi.201100226] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2011] [Indexed: 11/11/2022]
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112
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Controlled release behavior of PCL/PEO/activated carbon composite microcapsule. JOURNAL OF POLYMER RESEARCH 2011. [DOI: 10.1007/s10965-011-9658-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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113
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Jiang Y, Mao K, Cai X, Lai S, Chen X. Poly(ethyl glycol) assisting water sorption enhancement of poly(ε-caprolactone) blend for drug delivery. J Appl Polym Sci 2011. [DOI: 10.1002/app.34382] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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114
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Zhao L, Zhu L, Liu F, Liu C, Shan-Dan, Wang Q, Zhang C, Li J, Liu J, Qu X, Yang Z. pH triggered injectable amphiphilic hydrogel containing doxorubicin and paclitaxel. Int J Pharm 2011; 410:83-91. [DOI: 10.1016/j.ijpharm.2011.03.034] [Citation(s) in RCA: 132] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2011] [Revised: 03/07/2011] [Accepted: 03/12/2011] [Indexed: 12/22/2022]
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115
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Why and how to prepare biodegradable, monodispersed, polymeric microparticles in the field of pharmacy? Int J Pharm 2011; 407:1-11. [DOI: 10.1016/j.ijpharm.2011.01.027] [Citation(s) in RCA: 131] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2010] [Revised: 01/01/2011] [Accepted: 01/12/2011] [Indexed: 11/21/2022]
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116
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Dech S, Cramer T, Ladisch R, Bruns N, Tiller JC. Solid−Solid Interface Adsorption of Proteins and Enzymes in Nanophase-Separated Amphiphilic Conetworks. Biomacromolecules 2011; 12:1594-601. [DOI: 10.1021/bm1015877] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Stephan Dech
- Chair of Biomaterials and Polymer Science, Department of Bio- and Chemical Engineering, TU Dortmund, Emil-Figge-Str. 66, 44227 Dortmund, Germany
| | - Tobias Cramer
- Freiburg Center for Data Analysis and Modeling (FDM), University of Freiburg, Hermann-Herder-Strasse 3a (Westbau), 79104 Freiburg, Germany
| | - Reinhild Ladisch
- Chair of Biomaterials and Polymer Science, Department of Bio- and Chemical Engineering, TU Dortmund, Emil-Figge-Str. 66, 44227 Dortmund, Germany
| | - Nico Bruns
- Department of Chemistry, University of Basel, Switzerland, Klingelbergstr. 80, 4056 Basel, Switzerland
| | - Joerg C. Tiller
- Chair of Biomaterials and Polymer Science, Department of Bio- and Chemical Engineering, TU Dortmund, Emil-Figge-Str. 66, 44227 Dortmund, Germany
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117
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Liang Y, Qiao Y, Guo S, Wang L, Zhai Y, Xie C, Hu R, Deng L, Dong A. Investigation on injectable, thermally and physically gelable poly(ethylene glycol)/poly(octadecanedioic anhydride) amphiphilic triblock co-polymer nanoparticles. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2011; 23:465-82. [PMID: 21294968 DOI: 10.1163/092050610x552230] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
A family of injectable, biodegradable and thermosensitive co-polymer nanoparticle (NP) hydrogels based on mPEG-b-POA-b-mPEG, which was synthesized from mono-methoxy poly(ethylene glycol) (mPEG) and poly(octadecanedioic anhydride) (POA), was investigated in this paper. It was found that the aqueous dispersions of these NPs underwent a reversible gel-sol transition upon temperature change. By using paclitaxel and Bovine serum albumin (BSA) as model drugs, we noticed that the in vitro releases of both in situ gel-forming formulations were sustained and no initial burst releases were observed for 7 days. In vitro cytotoxicity tests via MTT assay indicate that mPEG-b-POA-b-mPEG NPs are non-toxic to normal mouse lung fibroblast cells (L929). The in vivo hydrogel formation and in vivo biocompatibility of co-polymer NP hydrogel were also investigated and the results further validate the biocompatible nature of co-polymer NP hydrogel. In conclusion, our mPEG-b-POA-b-mPEG NP hydrogel is able to control the release of incorporated drug for longer duration.
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Affiliation(s)
- Yanqin Liang
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, P. R. China
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118
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Biodegradable Polymeric Assemblies for Biomedical Materials. POLYMERS IN NANOMEDICINE 2011. [DOI: 10.1007/12_2011_160] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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119
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Shaver MP, Cameron DJA. Tacticity Control in the Synthesis of Poly(lactic acid) Polymer Stars with Dipentaerythritol Cores. Biomacromolecules 2010; 11:3673-9. [DOI: 10.1021/bm101140d] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Michael P. Shaver
- Department of Chemistry, University of Prince Edward Island, 550 University Avenue, Charlottetown, PE, C1A 4P3, Canada
| | - Donald J. A. Cameron
- Department of Chemistry, University of Prince Edward Island, 550 University Avenue, Charlottetown, PE, C1A 4P3, Canada
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120
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Synthesis of brush-like copolymers using carbohydrates as initiators: Benefits of organic catalysts for the ROP of lactones. REACT FUNCT POLYM 2010. [DOI: 10.1016/j.reactfunctpolym.2010.06.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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121
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Lochmann A, Nitzsche H, von Einem S, Schwarz E, Mäder K. The influence of covalently linked and free polyethylene glycol on the structural and release properties of rhBMP-2 loaded microspheres. J Control Release 2010; 147:92-100. [DOI: 10.1016/j.jconrel.2010.06.021] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2010] [Revised: 06/18/2010] [Accepted: 06/27/2010] [Indexed: 11/28/2022]
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122
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Izzo L, Pappalardo D. “Tree-Shaped” Copolymers Based on Poly(ethylene glycol) and Atactic or Isotactic Polylactides: Synthesis and Characterization. MACROMOL CHEM PHYS 2010. [DOI: 10.1002/macp.201000347] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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123
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Sun L, Shen LJ, Zhu MQ, Dong CM, Wei Y. Synthesis, self-assembly, drug-release behavior, and cytotoxicity of triblock and pentablock copolymers composed of poly(ε-caprolactone), poly(L-lactide), and poly(ethylene glycol). ACTA ACUST UNITED AC 2010. [DOI: 10.1002/pola.24255] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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124
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Tang M, Dong Y, Stevens MM, Williams CK. Tailoring Polylactide Degradation: Copolymerization of a Carbohydrate Lactone and S,S-Lactide. Macromolecules 2010. [DOI: 10.1021/ma100688n] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Min Tang
- Department of Chemistry, Imperial College London, London, United Kingdom SW7 2AZ
- Department of Materials and Institute for Biomedical Engineering, Imperial College London, London, United Kingdom SW7 2AZ
| | - Yixiang Dong
- Department of Materials and Institute for Biomedical Engineering, Imperial College London, London, United Kingdom SW7 2AZ
| | - Molly M. Stevens
- Department of Materials and Institute for Biomedical Engineering, Imperial College London, London, United Kingdom SW7 2AZ
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125
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Calucci L, Forte C, Buwalda SJ, Dijkstra PJ, Feijen J. Self-aggregation of gel forming PEG-PLA star block copolymers in water. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2010; 26:12890-12896. [PMID: 20666421 DOI: 10.1021/la101613b] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
The aggregation behavior and dynamics of poly(ethylene glycol) (PEG) and poly(lactide) (PLA) chains in a homologous series of eight-armed PEG-PLA star block copolymers ((PEG(65)-NHCO-PLA(n))(8) with n = 11, 13, and 15) in water at different concentrations and temperatures were studied by means of (1)H and (13)C NMR spectroscopy and (1)H longitudinal relaxation time analysis. The state of water in these systems was also investigated through the combined use of (1)H and (2)H longitudinal relaxation time measurement. On the basis of the NMR experimental findings and of dynamic light scattering measurements, (PEG(65)-NHCO-PLA(n))(8) in water can be described as self-aggregated systems with quite rigid hydrophobic domains made of PLA chains and aqueous domains where both PEG chains and water molecules undergo fast dynamics. A smaller number of rigid domains was found for (PEG(65)-NHCO-PLA(11))(8) with respect to the homologous copolymers with longer PLA chains. At low concentrations, the PLA domains are mainly formed by chains belonging to the same molecule, thus giving rise to unimolecular micelles. At intermediate concentrations, that is, above the critical association concentration (CAC) but below the critical gel concentration (CGC), nanogels are formed by interconnection of several PLA domains through shared unimers. Above the CGC, the network is extended to the entire system, giving rise to macroscopic gels. In all cases, a fraction of PLA chains remains quite mobile and exposed to water due to topological constraints of the star architecture.
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Affiliation(s)
- Lucia Calucci
- Istituto per i Processi Chimico-Fisici del CNR, via G. Moruzzi 1, I-56124 Pisa, Italy
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126
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Wang Y, Gong C, Yang L, Wu Q, Shi S, Shi H, Qian Z, Wei Y. 5-FU-hydrogel inhibits colorectal peritoneal carcinomatosis and tumor growth in mice. BMC Cancer 2010; 10:402. [PMID: 20678220 PMCID: PMC2920883 DOI: 10.1186/1471-2407-10-402] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2009] [Accepted: 08/02/2010] [Indexed: 02/05/2023] Open
Abstract
Background Colorectal peritoneal carcinomatosis (CRPC) is a common form of systemic metastasis of intra-abdominal cancers. Intraperitoneal chemotherapy is a preferable option for colorectal cancer. Here we reported that a new system, 5-FU-loaded hydrogel system, can improve the therapeutic effects of intraperitoneal chemotherapy. Methods A biodegradable PEG-PCL-PEG (PECE) triblock copolymer was successfully synthesized. The biodegradable and temperature sensitive hydrogel was developed to load 5-FU. Methylene blue-loaded hydrogel were also developed for visible observation of the drug release. The effects and toxicity of the 5-FU-hydrogel system were evaluated in a murine CRPC model. Results The hydrogel system is an injectable flowing solution at ambient temperature and forms a non-flowing gel depot at physiological temperature. 5-FU-hydrogel was subsequently injected into abdominal cavity in mice with CT26 cancer cells peritoneal dissemination. The results showed that the hydrogel delivery system prolonged the release of methylene blue; the 5-FU-hydrogel significantly inhibited the peritoneal dissemination and growth of CT26 cells. Furthermore, intraperitoneal administration of the 5-FU-hydrogel was well tolerated and showed less hematologic toxicity. Conclusions Our data indicate that the 5-FU-hydrogel system can be considered as a new strategy for peritoneal carcinomatosis, and the hydrogel may provide a potential delivery system to load different chemotherapeutic drugs for peritoneal carcinomatosis of cancers.
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Affiliation(s)
- Yongsheng Wang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, West China Medical School, Sichuan University, China.
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127
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Synthesis and physical gels of pH- and thermo-responsive tertiary amine methacrylate based ABA triblock copolymers and drug release studies. POLYMER 2010. [DOI: 10.1016/j.polymer.2010.06.010] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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128
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Paillard-Giteau A, Tran V, Thomas O, Garric X, Coudane J, Marchal S, Chourpa I, Benoît J, Montero-Menei C, Venier-Julienne M. Effect of various additives and polymers on lysozyme release from PLGA microspheres prepared by an s/o/w emulsion technique. Eur J Pharm Biopharm 2010; 75:128-36. [DOI: 10.1016/j.ejpb.2010.03.005] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2009] [Revised: 03/01/2010] [Accepted: 03/06/2010] [Indexed: 10/19/2022]
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129
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Lee ES, Kim JH, Yun JM, Lee KS, Park GY, Lee BJ, Oh KT. Functional Polymers for Drug Delivery Systems in Nanomedicines. JOURNAL OF PHARMACEUTICAL INVESTIGATION 2010. [DOI: 10.4333/kps.2010.40.s.045] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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130
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Wang H, Song HR, Chen XS, Deng YJ. Release of ibuprofen from PEG-PLLA electrospun fibers containing poly(ethylene glycol)-b-poly(α-hydroxy octanoic acid) as an additive. CHINESE JOURNAL OF POLYMER SCIENCE 2010. [DOI: 10.1007/s10118-010-9041-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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131
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Yin H, Gong C, Shi S, Liu X, Wei Y, Qian Z. Toxicity evaluation of biodegradable and thermosensitive PEG-PCL-PEG hydrogel as a potential in situ sustained ophthalmic drug delivery system. J Biomed Mater Res B Appl Biomater 2010; 92:129-37. [PMID: 19802831 DOI: 10.1002/jbm.b.31498] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
In this work, a biodegradable poly(ethylene glycol)-poly(epsilon-caprolactone)-poly (ethylene glycol) (PEG-PCL-PEG, PECE) triblock copolymer was successfully synthesized, which was flowing sol at low temperature and turned to nonflowing gel at body temperature. The toxicity evaluation of PECE hydrogel as a potential in situ sustained opthalmic drug delivery system was performed, including the biodegradability of PECE hydrogel in the eye, its effect on cultured human lens epithelia, intraocular pressure, and ocular tissues. The results indicated that the prepared PECE hydrogel was biocompatible and biodegradable despite of temporary elevated intraocular pressure and slight corneal endothelial damage at specific concentration. Therefore, PECE hydrogel may be a safe candidate for sustained ophthalmic drug delivery system.
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Affiliation(s)
- HongBo Yin
- Department of Ophthalmology, West China Hospital, Sichuan University, Chengdu, China
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132
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Ding C, Zhao L, Liu F, Cheng J, Gu J, Dan S, Liu C, Qu X, Yang Z. Dually Responsive Injectable Hydrogel Prepared by In Situ Cross-Linking of Glycol Chitosan and Benzaldehyde-Capped PEO-PPO-PEO. Biomacromolecules 2010; 11:1043-51. [PMID: 20337439 DOI: 10.1021/bm1000179] [Citation(s) in RCA: 106] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Caixia Ding
- State Key Laboratory of Polymer Physics and Chemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China, Key Laboratory of Engineering Plastics, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China, Department of Biotechnology, Beijing University of Agriculture, Beijing 102206, China, and Beijing Obstetrics and Gynecology Hospital, Beijing 100026, China
| | - Lingling Zhao
- State Key Laboratory of Polymer Physics and Chemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China, Key Laboratory of Engineering Plastics, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China, Department of Biotechnology, Beijing University of Agriculture, Beijing 102206, China, and Beijing Obstetrics and Gynecology Hospital, Beijing 100026, China
| | - Fuyong Liu
- State Key Laboratory of Polymer Physics and Chemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China, Key Laboratory of Engineering Plastics, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China, Department of Biotechnology, Beijing University of Agriculture, Beijing 102206, China, and Beijing Obstetrics and Gynecology Hospital, Beijing 100026, China
| | - Jun Cheng
- State Key Laboratory of Polymer Physics and Chemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China, Key Laboratory of Engineering Plastics, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China, Department of Biotechnology, Beijing University of Agriculture, Beijing 102206, China, and Beijing Obstetrics and Gynecology Hospital, Beijing 100026, China
| | - Jingxia Gu
- State Key Laboratory of Polymer Physics and Chemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China, Key Laboratory of Engineering Plastics, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China, Department of Biotechnology, Beijing University of Agriculture, Beijing 102206, China, and Beijing Obstetrics and Gynecology Hospital, Beijing 100026, China
| | - Shan- Dan
- State Key Laboratory of Polymer Physics and Chemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China, Key Laboratory of Engineering Plastics, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China, Department of Biotechnology, Beijing University of Agriculture, Beijing 102206, China, and Beijing Obstetrics and Gynecology Hospital, Beijing 100026, China
| | - Chenyang Liu
- State Key Laboratory of Polymer Physics and Chemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China, Key Laboratory of Engineering Plastics, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China, Department of Biotechnology, Beijing University of Agriculture, Beijing 102206, China, and Beijing Obstetrics and Gynecology Hospital, Beijing 100026, China
| | - Xiaozhong Qu
- State Key Laboratory of Polymer Physics and Chemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China, Key Laboratory of Engineering Plastics, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China, Department of Biotechnology, Beijing University of Agriculture, Beijing 102206, China, and Beijing Obstetrics and Gynecology Hospital, Beijing 100026, China
| | - Zhenzhong Yang
- State Key Laboratory of Polymer Physics and Chemistry, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China, Key Laboratory of Engineering Plastics, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China, Department of Biotechnology, Beijing University of Agriculture, Beijing 102206, China, and Beijing Obstetrics and Gynecology Hospital, Beijing 100026, China
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133
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Kang YM, Lee SH, Lee JY, Son JS, Kim BS, Lee B, Chun HJ, Min BH, Kim JH, Kim MS. A biodegradable, injectable, gel system based on MPEG-b-(PCL-ran-PLLA) diblock copolymers with an adjustable therapeutic window. Biomaterials 2010; 31:2453-60. [DOI: 10.1016/j.biomaterials.2009.11.115] [Citation(s) in RCA: 94] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2009] [Accepted: 11/29/2009] [Indexed: 01/06/2023]
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134
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Li ZL, Xiong XY, Li YP, Gong YC, Gui XX, Ou-Yang X, Lin HS, Zhu LJ, Xie JL. Synthesis and self-assembling behaviors of biotinylated pluronic/poly(lactic acid) biocompatible block copolymers in aqueous solutions. J Appl Polym Sci 2010. [DOI: 10.1002/app.31125] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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135
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Gong CY, Dong PW, Shi S, Fu SZ, Yang JL, Guo G, Zhao X, Wei YQ, Qian ZY. Thermosensitive PEG-PCL-PEG hydrogel controlled drug delivery system: sol-gel-sol transition and in vitro drug release study. J Pharm Sci 2010; 98:3707-17. [PMID: 19189419 DOI: 10.1002/jps.21694] [Citation(s) in RCA: 60] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
In this article, biodegradable and low molecular weight poly(ethylene glycol)-poly(epsilon-caprolactone)-poly(ethylene glycol) (PEG-PCL-PEG, PECE) triblock copolymers were successfully synthesized. Aqueous solution of the obtained PECE copolymers underwent sol-gel-sol transition as temperature increased which was flowing sol at room temperature and then turned into nonflowing gel at body temperature. Sol-gel-sol phase transition behaviors of aqueous PECE solutions were studied using rheometry and test tube-inverting method, which were affected by many factors, including the heating/cooling procedure and different additives in copolymers aqueous solution. In vitro drug release behavior was studied using bovine serum albumin (BSA) and Vitamin B(12) (VB(12)) as model drugs, and the PECE hydrogel could protect BSA from acidic degradation for 1 week at least. Therefore, PECE hydrogel is believed to be promising for injectable in situ gel-forming controlled drug delivery system due to their great thermosensitivity and biodegradability.
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Affiliation(s)
- Chang Yang Gong
- State Key Laboratory of Biotherapy, West China Hospital, and School of Life Science, Sichuan University, Chengdu 610041, China
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136
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Posocco P, Fermeglia M, Pricl S. Morphology prediction of block copolymers for drug delivery by mesoscale simulations. ACTA ACUST UNITED AC 2010. [DOI: 10.1039/c0jm01301c] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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137
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Fang F, Gong C, Qian Z, Zhang X, Gou M, You C, Zhou L, Liu J, Zhang Y, Guo G, Gu Y, Luo F, Chen L, Zhao X, Wei Y. Honokiol nanoparticles in thermosensitive hydrogel: therapeutic effects on malignant pleural effusion. ACS NANO 2009; 3:4080-8. [PMID: 19921811 DOI: 10.1021/nn900785b] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Honokiol (HK) can efficiently inhibit the growth of tumors. However, its clinical applications have been restricted by its extreme hydrophobicity. We hope to improve its water solubility by nanotechnology. And we wonder whether a novel honokiol nanoparticles-loaded thermosensitive poly(ethylene glycol)-poly(epsilon-caprolactone)-poly(ethylene glycol) (PEG-PCL-PEG, PECE) hydrogel (HK-hydrogel) could improve the therapeutic efficacy on malignant pleural effusion (MPE). To evaluate the therapeutic effects of HK-hydrogel on MPE, MPE-bearing mice were administered intrapleurally with HK-hydrogel, HK nanoparticles (HK-NP), blank hydrogel, or normal saline (NS) at days 4 and 11 after Lewis lung carcinoma (LLC) cells inoculation, respectively. Pleural tumor foci and survival time were observed, and antiangiogenesis of HK-hydrogel was determined by CD31. Histological analysis and assessment of apoptotic cells were also conducted in tumor tissues. HK-hydrogel reduced the number of pleural tumor foci, while prolonging the survival time of MPE-bearing mice, more effectively, as compared with control groups. In addition, HK-hydrogel successfully inhibited angiogenesis as assessed by CD31 (P < 0.05). Histological analysis of pleural tumors exhibited that HK-hydrogel led to the increased rate of apoptosis. This work is important for the further application of HK-hydrogel in the treatment of MPE.
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Affiliation(s)
- Fang Fang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, West China Medical School, Sichuan University, Chengdu, 610041, PR China
- Department of Neurosurgery, West China Hospital, West China Medical School, Sichuan University, Chengdu, 610041, People’s Republic of China
| | - ChangYang Gong
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, West China Medical School, Sichuan University, Chengdu, 610041, PR China
| | - ZhiYong Qian
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, West China Medical School, Sichuan University, Chengdu, 610041, PR China
| | - XiaoNing Zhang
- School of Medicine, Tsinghua University, Beijing, 100084, PR China
| | - MaLing Gou
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, West China Medical School, Sichuan University, Chengdu, 610041, PR China
| | - Chao You
- Department of Neurosurgery, West China Hospital, West China Medical School, Sichuan University, Chengdu, 610041, People’s Republic of China
| | - LiangXue Zhou
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, West China Medical School, Sichuan University, Chengdu, 610041, PR China
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, 610041, PR China
| | - JiaGang Liu
- Department of Neurosurgery, West China Hospital, Sichuan University, Chengdu, 610041, PR China
| | - Yu Zhang
- Department of Neurosurgery, West China Hospital, West China Medical School, Sichuan University, Chengdu, 610041, People’s Republic of China
| | - Gang Guo
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, West China Medical School, Sichuan University, Chengdu, 610041, PR China
| | - YingChun Gu
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, West China Medical School, Sichuan University, Chengdu, 610041, PR China
| | - Feng Luo
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, West China Medical School, Sichuan University, Chengdu, 610041, PR China
| | - LiJuan Chen
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, West China Medical School, Sichuan University, Chengdu, 610041, PR China
| | - Xia Zhao
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, West China Medical School, Sichuan University, Chengdu, 610041, PR China
| | - YuQuan Wei
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, West China Medical School, Sichuan University, Chengdu, 610041, PR China
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138
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Gong CY, Shi S, Dong PW, Yang B, Qi XR, Guo G, Gu YC, Zhao X, Wei YQ, Qian ZY. Biodegradable in situ gel-forming controlled drug delivery system based on thermosensitive PCL–PEG–PCL hydrogel: Part 1—synthesis, characterization, and acute toxicity evaluation. J Pharm Sci 2009; 98:4684-94. [DOI: 10.1002/jps.21780] [Citation(s) in RCA: 70] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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139
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Biodegradable in situ gel-forming controlled drug delivery system based on thermosensitive PCL-PEG-PCL hydrogel. Part 2: sol-gel-sol transition and drug delivery behavior. Acta Biomater 2009; 5:3358-70. [PMID: 19470411 DOI: 10.1016/j.actbio.2009.05.025] [Citation(s) in RCA: 157] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2009] [Revised: 05/16/2009] [Accepted: 05/19/2009] [Indexed: 11/23/2022]
Abstract
In this work, a biodegradable and injectable in situ gel-forming controlled drug delivery system based on thermosensitive poly(epsilon-caprolactone)-poly(ethylene glycol)-poly(epsilon-caprolactone) (PCEC) hydrogel was studied. The prepared PCEC hydrogel undergoes temperature-dependent sol-gel-sol transition, which is a flowing sol at ambient temperature and turns into a non-flowing gel at around physiological body temperature. Furthermore, the sol-gel phase transition mechanism was investigated using (13)C-nuclear magnetic resonance imaging and a laser diffraction particle size analyzer. The in vitro release behaviors of several model drugs, including a hydrophilic small-molecule drug, a hydrophobic small-molecule drug and a macromolecular protein drug, from PCEC hydrogel were also investigated in detail. The results showed that the model drugs could be released from the PCEC hydrogel system over a sustained period. In addition, an anaesthesia assay was conducted using the tail flick latency (TFL) test to evaluate the in vivo controlled drug delivery effect of the PCEC hydrogel system. In the TFL assay, a lidocaine-loaded PCEC hydrogel produced significantly longer-lasting local anaesthetic effects compared with lidocaine aqueous solution at the same dose. Therefore, PCEC hydrogel is promising for use as an injectable local drug delivery system.
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140
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Wei X, Gong C, Gou M, Fu S, Guo Q, Shi S, Luo F, Guo G, Qiu L, Qian Z. Biodegradable poly(ɛ-caprolactone)–poly(ethylene glycol) copolymers as drug delivery system. Int J Pharm 2009; 381:1-18. [DOI: 10.1016/j.ijpharm.2009.07.033] [Citation(s) in RCA: 256] [Impact Index Per Article: 17.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2009] [Revised: 07/25/2009] [Accepted: 07/29/2009] [Indexed: 01/02/2023]
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141
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Gong CY, Wu QJ, Dong PW, Shi S, Fu SZ, Guo G, Hu HZ, Zhao X, Wei YQ, Qian ZY. Acute toxicity evaluation of biodegradablein situgel-forming controlled drug delivery system based on thermosensitive PEG-PCL-PEG hydrogel. J Biomed Mater Res B Appl Biomater 2009; 91:26-36. [DOI: 10.1002/jbm.b.31370] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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142
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Xiong SD, Li L, Wu SL, Xu ZS, Chu PK. Synthesis and properties of fluorine-containing amphiphilic graft copolymer P(HFMA)-g-P(SPEG). ACTA ACUST UNITED AC 2009. [DOI: 10.1002/pola.23541] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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143
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Masci G, Cametti C. Dielectric Properties of Thermo-Reversible Hydrogels: The Case of a Dextran Copolymer Grafted with Poly(N-isopropylacrylamide). J Phys Chem B 2009; 113:11421-8. [DOI: 10.1021/jp9032468] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Giancarlo Masci
- Dipartimento di Chimica, Universitá di Roma “La Sapienza”, Rome, Italy, Dipartimento di Fisica, Universitá di Roma “La Sapienza” Rome, Italy, and INFM-CNR CRS-SOFT
| | - Cesare Cametti
- Dipartimento di Chimica, Universitá di Roma “La Sapienza”, Rome, Italy, Dipartimento di Fisica, Universitá di Roma “La Sapienza” Rome, Italy, and INFM-CNR CRS-SOFT
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144
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Gong CY, Fu SZ, Gu YC, Liu CB, Kan B, Deng HX, Luo F, Qian ZY. Synthesis, characterization, and hydrolytic degradation of biodegradable poly(ether ester)-urethane copolymers based on ε-caprolactone and poly(ethylene glycol). J Appl Polym Sci 2009. [DOI: 10.1002/app.29946] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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145
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Castillo R, Müller A. Crystallization and morphology of biodegradable or biostable single and double crystalline block copolymers. Prog Polym Sci 2009. [DOI: 10.1016/j.progpolymsci.2009.03.002] [Citation(s) in RCA: 174] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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146
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Wang Y, Tan Y, Huang X, Che Y, Du X. Synthesis of biodegradable amphiphilic thermo-responsive multiblock polycarbonate and its self-aggregation behavior in aqueous solution. J Appl Polym Sci 2009. [DOI: 10.1002/app.29512] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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147
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Liu Q, Cai C, Dong CM. Poly(L-lactide)-b-poly(ethylene oxide) copolymers with different arms: Hydrophilicity, biodegradable nanoparticles,in vitrodegradation, and drug-release behavior. J Biomed Mater Res A 2009; 88:990-9. [DOI: 10.1002/jbm.a.31945] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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148
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Xiong XY, Li ZL, Tam KC, Li YP, Leng JQ, Chen HQ, Wang Y. Comparison between the self-assembling behaviors of PLLA-PEO-PLLA triblock copolymers and PLLA-PEO-PPO-PEO-PLLA pentablock copolymers. J Appl Polym Sci 2009. [DOI: 10.1002/app.29278] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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149
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Schulze S, Winter G. Lipid extrudates as novel sustained release systems for pharmaceutical proteins. J Control Release 2009; 134:177-85. [DOI: 10.1016/j.jconrel.2008.11.026] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2008] [Revised: 11/18/2008] [Accepted: 11/24/2008] [Indexed: 11/29/2022]
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150
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Li Q, Yang D, Ma G, Xu Q, Chen X, Lu F, Nie J. Synthesis and characterization of chitosan-based hydrogels. Int J Biol Macromol 2009; 44:121-7. [DOI: 10.1016/j.ijbiomac.2008.11.001] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2008] [Revised: 10/28/2008] [Accepted: 11/03/2008] [Indexed: 11/27/2022]
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