QbD理念在微球制剂开发中的应用
2021-04-06安广峰吕丕平
安广峰 吕丕平



摘 要 质量源于设计(QbD)是以合理的科学和质量风险管理为依据的,起始于预定的质量目标,注重对产品和工艺的理解以及对生产工艺过程控制的系统研发方法。作为一种特殊注射剂型,微球制剂具有给药方便,超长效缓释作用明显,毒副作用低,生物利用度高和患者依从性好等明显的临床优势,日益成为各大药企的新宠。但由于微球制备工艺复杂、中试放大困难等技术壁垒原因,仅有少数企业的产品落地。本文介绍了常用的微球制备方法,阐述了运用QbD理念进行微球研发的具体过程,为今后微球制剂的研发提供参考。
关键词 微球 质量源于设计 关键质量属性 关键工艺参数
中图分类号:R944.11; F406.3 文献标志码:A 文章编号:1006-1533(2021)05-0077-05
Application of quality by design in development of microsphere
AN Guangfeng*,LYU Piping
(Shanghai Jiyu Pharmaceutical Technology Co., Ltd., Shanghai 201203, China)
ABSTRACT Quality by design (QbD) is based on reasonable science and quality risk management, starting from a predetermined quality goal, focusing on the understanding of products and processes and the systematic research and development methods of production process control. As a complex drug delivery system, the microsphere formulation is becoming a new favorite of major pharmaceutical companies due to some obvious clinical advantages, such as more convenient administration, super long-term sustained release, lower toxic and adverse reactions, higher bioavailability and better patient compliance. However, only a few businesses drive related product landing because of some technical barriers, including but not limited to complicated preparation process and more difficulties in pilot scale-up. In this article, we introduce traditional preparation methods, explain the specific process using the QbD concept to develop microspheres, and provide guidance for the development of microsphere drug products in the future.
KEY WORDS microsphere; quality by design (QbD); critical quality attributes (CQAs); critical process parameters (CPPs)
微球(microsphere)是指将药物溶解或分散在天然或合成高分子材料中所形成的微小球状聚合物[1],粒径一般在1~250 mm[2],通过皮下或肌肉注射给药,通过载体表面释放、药物扩散、聚合物的溶蚀、降解等方式,实现药物的缓慢释放。
质量源于设计(QbD)是一个系统的药物开发方法,从预先确定的目标出发,基于科学和质量风险管理,把研究重点放在对产品和生产工艺的理解及控制策略上[3]。
本文以微球制剂为例,综述运用QbD理念进行微球制剂研发的具体过程。
1 微球制剂处方
微球药物主要由两部分组成:主药和生物可降解聚合物。生物可降解聚合物是指在水和酶作用下降解的高分子材料,已在長效注射剂领域得到广泛成功的应用。……
