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中国医药导刊 ›› 2025, Vol. 27 ›› Issue (1): 47-52.

• 检验检测 • 上一篇    下一篇

注射用醋酸亮丙瑞林微球及其溶剂细菌内毒素检查(凝胶法)方法学研究

肖斯婷, 曹春然*   

  1. 北京市药品检验研究院,国家药品监督管理局创新药物安全研究与评价重点实验室,
    中药成分分析与生物评价北京市重点实验室,北京 102206
  • 收稿日期:2024-09-29 修回日期:2025-03-12 出版日期:2025-01-28 发布日期:2025-01-28

Methodological Study on Bacterial Endotoxin Test Gel Method of Leuprorelin Acetate Microspheres for Injection and Its Solvent

  1. Beijing Institute for Drug Control Key Laboratory for Safety Research and Evaluation of Innovative Drugs
    State Drug Administration Beijing Key Laboratory for Analysis and Biological Evaluation of
    Traditional Chinese Medicine Beijing 102206, China
  • Received:2024-09-29 Revised:2025-03-12 Online:2025-01-28 Published:2025-01-28

摘要:

目的:对注射用醋酸亮丙瑞林微球及其溶剂凝胶法细菌内毒素检查可行性进行验证,并建立细菌内毒素检查方法。方法:尝试使用《中华人民共和国药典》(以下简称《中国药典》)2020年版四部通则9251中建议使用的二甲基亚砜(DMSO)将微球完全溶解释放其被包含的细菌内毒素,并按《中国药典》2020年版四部通则1143的要求,采用凝胶法使用2个厂家的鲎试剂分别对注射用醋酸亮丙瑞林微球及其溶剂进行细菌内毒素干扰实验预实验和正式干扰实验,并对样品进行细菌内毒素检查。结果:注射用醋酸亮丙瑞林微球可使用DMSO溶解微球,并使其包含的细菌内毒素释放,其浓度在0.045 mg·mL-1及以下时对细菌内毒素检查无干扰,细菌内毒素限值定为5.0 EU/瓶。其溶剂在稀释41.67倍及以上时对细菌内毒素检查无干扰,细菌内毒素限值定为2.5 EU·mL-1。对3批样品进行检查,结果均符合规定。结论:注射用亮丙瑞林微球可以采用DMSO对微球进行溶解,再进行细菌内毒素检查,所建立的细菌内毒素检查法(凝胶法) 可用于注射用醋酸亮丙瑞林微球及其溶剂的细菌内毒素检查。


关键词: 细菌内毒素, 凝胶法, 微球制剂, 质量控制, 二甲基亚砜

Abstract:

Objective: The feasibility of bacterial endotoxin test of leuprorelin acetate microspheres for injection and its solvent gel method was verified and the bacterial endotoxin test method was established.Methods: Try to use the dimethyl sulfoxide DMSO recommended in the general rule 9251 of the fourth part of the Pharmacopoeia of the People's Republic of China” (hereinafter referred to as the "Chinese Pharmacopoeia" in 2020 to completely dissolve the microspheres to release the bacterial endotoxin contained in them and according to the requirements of the general rule 1143 of the fourth part of the Chinese Pharmacopoeia in 2020 use the limulus lysate reagent from two manufacturers to conduct the bacterial endotoxin interference test pre test and formal interference test on leuprorelin acetate microspheres for injection and its solvent respectively by the gel method and conduct the bacterial endotoxin test on the samples.Results: Acetic acid leuprorelin microspheres for injection can be dissolved in DMSO to release bacterial endotoxins. When the concentration is 0.045 mg·mL-1 or below it does not interfere with bacterial endotoxin testing and the bacterial endotoxin limit is set at 5.0 EU/bottle. The solvent does not interfere with bacterial endotoxin testing when diluted 41.67 times or more and the bacterial endotoxin limit is set at 2.5 EU·mL-1. 3 batches of samples were inspected and the results met the requirements.Conclusion: The microspheres of leuprorelin for injection can be dissolved with DMSO and then tested for bacterial endotoxin. The established bacterial endotoxin test method gel method can be used for the bacterial endotoxin test of leuprorelin acetate for injection microspheres and their solvents.


Key words: Bacterial endotoxins , Gel method , Microsphere preparation , Quality control , Dimethyl sulfoxide

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