中国组织工程研究 ›› 2020, Vol. 24 ›› Issue (34): 5428-5433.doi: 10.3969/j.issn.2095-4344.2325

• 生物材料综述 biomaterial review • 上一篇    下一篇

温敏型凝胶的缓释作用与临床应用

陈泳佳,李彦林,刘德建,何映红,杨     

  1. 昆明医科大学第一附属医院运动医学科,云南省昆明市  650032

  • 收稿日期:2019-09-26 修回日期:2019-09-28 接受日期:2019-11-15 出版日期:2020-11-08 发布日期:2020-09-11
  • 通讯作者: 李彦林,医学博士,教授,主任医师,博士生导师,昆明医科大学第一附属医院运动医学科,云南省昆明市650032
  • 作者简介:陈泳佳,男,1992年生,四川省成都市人,昆明医科大学在读硕士,主要从事骨性关节炎治疗的研究。
  • 基金资助:
    国家自然科学基金(81760403,81960409);云南省自然科学基金重点项目[2017FE467(-007)]

Sustained-release effect and clinical application of thermosensitive gels

Chen Yongjia, Li Yanlin, Liu Dejian, He Yinghong, Yang Xiao   

  1. Department of Sports Medicine, First Affiliated Hospital of Kunming Medical University, Kunming 650032, Yunnan Province, China

  • Received:2019-09-26 Revised:2019-09-28 Accepted:2019-11-15 Online:2020-11-08 Published:2020-09-11
  • Contact: Li Yanlin, MD, Professor, Chief physician, Doctoral supervisor, Department of Sports Medicine, First Affiliated Hospital of Kunming Medical University, Kunming 650032, Yunnan Province, China
  • About author:Chen Yongjia, Master candidate, Department of Sports Medicine, First Affiliated Hospital of Kunming Medical University, Kunming 650032, Yunnan Province, China
  • Supported by:
    the National Natural Science Foundation of China, No. 81760403 and 81960409; the Natural Science Foundation of Yunnan Province (Key Program), No. 2017FE467(-007)

摘要:


文题释义:

温敏型凝胶:是一种特殊的水凝胶,能根据一定温度从流动的液体(溶胶相)转变为非流动的水凝胶(凝胶相)。因其特性,在生物医学和制药方面有广泛的应用,即药物输送、细胞培养、组织工程等。

聚N-异丙基丙烯酰胺:由单体N-异丙基丙烯酰胺聚合而成,其大分子链上同时具有亲水性的酰氨基和疏水性的异丙基,使线型聚N-异丙基丙烯酰胺的水溶液及交联后的聚N-异丙基丙烯酰胺水凝胶呈现温度敏感特性。

背景:温敏型凝胶是近年来兴起的一种药物新剂型,因其具有缓释、控释、靶向给药等优势而成为近年来的研究热点。

目的:总结搜索文献中温敏型凝胶各种缓释机制,以及温敏型凝胶在临床上的应用疗效。

方法:在万方、中国知网、维普、PubMed、谷歌学术等数据库中,以“温敏型凝胶,缓释,给药途径”为中文检索词,以“thermosensitive gelsustained releaseadministration route”为英文检索词检索温敏型凝胶缓释机制及临床应用方面的文章。

结果与结论:①温敏型凝胶具有最低临界溶解温度,能随环境温度改变而发生一定程度的相变,比其他剂型有更多的优势,能使药物在人体内发挥很好的缓释作用,降低药物毒性,防止药物外渗,并提高药物的稳定性,还具有很好的临床应用前景;②温敏型凝胶有着注射、口腔、耳内、鼻腔、眼内、皮肤等多种给药方式,具有广泛的应用前景。但是各种凝胶材料都存在不同缺点,比如天然生物材料具有可塑性差、机械强度不足、容易被病原微生物污染、难以大量生产的缺点,人工合成材料往往亲水性还不够,而且温敏型凝胶在体内的代谢途径对组织器官的影响也尚在研究中。

ORCID: 0000-0002-9070-7602(陈泳佳)


中国组织工程研究杂志出版内容重点:生物材料;骨生物材料; 口腔生物材料; 纳米材料; 缓释材料; 材料相容性;组织工程



关键词: 温敏型凝胶, 缓释作用">,  , 给药途径">,  , 生物利用度">,  , 凝胶制剂">,  , 注射给药">,  , 眼内给药">,  , 鼻腔给药

Abstract:

BACKGROUND: Thermosensitive gel is a newly emerging drug type, which has been a popular area of research due to its advantages including sustained release, controlled release, and targeted drug delivery.

OBJECTIVE: To summarize the various mechanisms underlying the sustained release of thermosensitive gels published in the literature, and its clinical application outcomes.

METHODS: A retrieval of Wanfang, CNKI, VIP, PubMed, and Google Scholar was conducted using the


search terms “thermosensitive gel, sustained release, administration route” in Chinese and English, respectively for the articles concerning sustained release mechanisms of thermosensitive gel and clinical applications.

RESULTS AND CONCLUSION: (1) The thermosensitive gel possesses the lowest critical solution temperature and can change with the environment temperature changing to some extent. It has more advantages than other gels, and can lead to in vivo sustained release of drugs and reduce the toxicity, prevent drug extravasation, improve the stability of the drug, also has good clinical application prospects. (2) Thermosensitive gels have a variety of administration ways, such as injection, oral, in-ear, nasal cavity, intraocular, and skin, which has wide prospects. However, different kinds of gel materials have different shortcomings. Native biomaterials hold poor plasticity and mechanical strength, and are easy to be contaminated by pathogenic microorganisms, and cannot be prepared in large amounts. Besides, the hydrophilicity of synthetic materials is poor. Moreover, the effect of metabolic pathway of thermosensitive gel on tissues and organs is still under investigation.

Key words: thermosensitive gels">,  , sustained release">,  , administration ways">,  , bioavailability">,  , gel">,  , injected administration">,  , ophthalmic administration">,  , intranasal administration

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