多囊脂质体仿制药药学研究探讨
收稿日期: 2025-07-14
修回日期: 2025-10-29
录用日期: 2026-02-06
网络出版日期: 2026-02-11
Discussion on the Pharmaceutical Development of Generic Multivesicular Liposome
Received date: 2025-07-14
Revised date: 2025-10-29
Accepted date: 2026-02-06
Online published: 2026-02-11
多囊脂质体为新型药物载体,近年来在术后疼痛管理等领域逐渐得到应用。多囊脂质体不同于其他脂质体,其包含多个非同心水性腔室,可以装载大量药物,并达到持续释药的效果。多囊脂质体作为复杂制剂,其技术壁垒较高,临床优势明显,是仿制药研究的热点和难点,克服其仿制药研发的挑战需要业界、学术界和监管机构的共同努力。药学研究贯穿多囊脂质体全生命周期,需对特性相关的关键质量属性进行充分识别和研究。本研究结合国外公开审评报告和文献等,对多囊脂质体仿制药的药学研究进行探讨。处方中辅料的种类和用量原则上应与参比制剂一致,并严格控制脂质辅料来源(天然的或合成的)。生产工艺若采用的复乳法,可以根据设备情况明确关键工艺参数。质量研究和稳定性考查中重点关注多囊脂质体制剂相关的关键质量属性。部分上市后变更时需要申报补充申请,确保变更对比的全面性,部分情况下仅凭药学研究无法判定变更的影响,应重点关注多囊脂质体处方工艺和质量控制等方面,以推动其仿制药研究开发。
司晓菲
,
刘彦
,
章俊麟
,
那馨竹
,
姜典卓
.
多囊脂质体仿制药药学研究探讨
Newly-developed multivesicular liposome (MVL) have been used gradually for treatment of postsurgical pain in recent years. Different from other types of liposomes, MVL contain mutilple non-concentric aqueous chambers, which can encapsulate much more drugs and provide a sustained release profile. As complex injections, MVL usually feature high technical barriers and obvious clinical advantages. Overcoming the technical challenges of generic MVL development requires joint efforts from industry, academia, and regulatory authorities. Pharmaceutical research runs through the entire lifecycle of MVL, and the critical quality attributes (CQAs) related to characteristics should be identified and evaluated sufficiently. Based on literature investigation, this study discusses the pharmaceutical research of generic MVL. In principle ,the composition should qualitatively (Q1) and quantitatively (Q2) same as the RLD,and the sources of lipid excipients (natural or synthetic) shall be strictly controlled. If the double-emulsion method is adopted in the production process, critical process parameters(CPPs)can be defined based on the equipment conditions. In quality research and stability studies, focus shall be placed on the CQAs particular to liposome drug products. For some post-approval changes, a supplementary application shall be submitted to ensure the comprehensiveness of change comparison. In some cases, the impact of changes that can affect the performance of the drug cannot be determined solely through pharmaceutical research.The pharmaceutical considerations were put forward in terms of formulation, manufacturing process and quality control, in order to foster generic product development.
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