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奥卡西平片中有关物质含量测定方法的建立
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保敏敏 ,吕蓓蓓 ,魏文芝 ,张敏娟 [1.青海大学医学院,西宁 810016;2.青海省药品检验检测院/青海省中
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藏药现代化研究重点实验室/国家药品监督管理局中药(藏药)质量控制重点实验室,西宁 810016]
中图分类号 R917 文献标志码 A 文章编号 1001-0408(2023)10-1199-05
DOI 10.6039/j.issn.1001-0408.2023.10.09
摘 要 目的 建立奥卡西平片中有关物质的含量测定方法。方法 采用超高效液相色谱(UPLC)法,以ZORBAX Eclipse Plus C18
为色谱柱,乙腈-0.01 mol/L乙酸铵溶液(pH6.0)为流动相进行梯度洗脱,流速为0.5 mL/min,检测波长为230 nm,柱温为35 ℃,进
样量为10 μL。结果 奥卡西平和杂质A、B、C、D、E、I、K、L、N检测质量浓度线性范围分别为0.192~1.440、1.019~7.639、0.208~
1.559、0.230~1.727、0.389~2.915、0.182~1.364、0.393~2.945、0.199~1.493、0.199~1.490、0.200~1.503 μg/mL(r 均大于 0.999);
检测限分别为 0.046、0.037、0.049、0.027、0.077、0.040、0.114、0.054、0.055、0.039 μg/mL,定量限分别为 0.152、0.122、0.162、0.090、
0.258、0.132、0.380、0.181、0.185、0.130 μg/mL;精密度、重复性、稳定性(24 h)、耐用性试验的 RSD 均小于 5.0%;平均回收率为
92.8%~105.6%(RSD≤3.0%,n=9)。原研制剂样品中仅检出杂质K和未知杂质,其总含量为0.078%~0.083%;国内Ⅰ企业产仿
制制剂样品中检出杂质A、B、D、I和未知杂质,其总含量为0.147%~0.163%;国内Ⅱ企业产仿制制剂样品中检出杂质A、B、I和未
知杂质,其总含量为0.085%~0.161%。结论 所建UPLC法快速,灵敏度高,准确度、稳定性、耐用性好,可用于同时测定奥卡西平
片中9种已知杂质的含量。
关键词 奥卡西平片;超高效液相色谱法;有关物质;含量测定
Method establishment for content determination of related substances in Oxcarbazepine tablets
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BAO Minmin ,LYU Beibei ,WEI Wenzhi ,ZHANG Minjuan [1. School of Medicine, Qinghai University,
Xining 810016, China;2. Qinghai Provincial Drug Inspection and Testing Institute/Qinghai Provincial Key
Laboratory of Modernization of Traditional Chinese and Tibetan Medicine/NMPA Key Laboratory for Quality
Control of Traditional Chinese Medicine (Tibetan Medicine), Xining 810016, China]
ABSTRACT OBJECTIVE To establish the method for content determination of related substances in Oxcarbazepine tablets.
METHODS Ultra-high performance liquid chromatography (UPLC) method was adopted and the separation was performed on
ZORBAX Eclipse Plus C18 column with mobile phase consisted of acetonitrile-0.01 mol/L ammonium acetate solution (pH6.0)
(gradient elution) at the flow rate of 0.5 mL/min. The detection wavelength was 230 nm and column temperature was set at 35 ℃.
The sample size was 10 μL. RESULTS The linear ranges of oxcarbazepine and impurity A, B, C, D, E, I, K, L and N were
0.192-1.440, 1.019-7.639, 0.208-1.559, 0.230-1.727, 0.389-2.915, 0.182-1.364, 0.393-2.945, 0.199-1.493, 0.199-1.490 and 0.200-
1.503 μg/mL, respectively (all r>0.999). The detection limits were 0.046, 0.037, 0.049, 0.027, 0.077, 0.040, 0.114, 0.054,
0.055 and 0.039 μg/mL. The quantitation limits were 0.152, 0.122, 0.162, 0.090, 0.258, 0.132, 0.380, 0.181, 0.185 and 0.130
μg/mL. RSDs of precision, repeatability, stability (24 h) and durability tests were all lower than 5.0%. The average recoveries
were 92.8%-105.6% (RSD≤3.0%, n=9). Only impurity K and unknown impurity were detected in the original preparation
sample, with a total content of 0.078% to 0.083%; impurities A, B, D, I and unknown impurity were detected in the generic
preparations produced by domestic enterprise Ⅰ , with a total content of 0.147% to 0.163%; impurities A, B, I and unknown
impurity were detected in the generic preparations produced by domestic enterprise Ⅱ, with a total content of 0.085% to 0.161%.
CONCLUSIONS The established method is rapid, sensitive, accurate, stable and durable. It can be used for the content
determination of 9 known impurities in Oxcarbazepine tablets.
KEYWORDS Oxcarbazepine tablets; UPLC; related substance; content determination
奥卡西平的化学名为10,11-二氢-10-氧代-5H-二苯
Δ 基金项目 国家药品抽检计划项目(No.国药监药管〔2019〕2号)
并[b,f]氮杂-5-甲酰胺,是卡马西平的10-酮基衍生物,主
*第一作者 硕士研究生。研究方向:药品质量控制与评价。E-
mail:QH199809@163.com 要用于成人及儿童癫痫简单及复杂部分性发作、全身强
直阵挛发作等的单药或联合治疗。作为一种新型的抗
# 通信作者 主任药师,硕士生导师。研究方向:药品质量分析、药
品质量标准。电话:0971-8247794。E-mail:1415328549@qq.com 癫痫药物,奥卡西平具有不良反应少、酶诱导作用弱等
中国药房 2023年第34卷第10期 China Pharmacy 2023 Vol. 34 No. 10 · 1199 ·