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1.哈尔滨商业大学药学院,哈尔滨 150076
2.哈尔滨商业大学马克思 主义学院,哈尔滨 150028
副教授,硕士生导师,博士。研究方向:天然药物新剂型研发。E-mail:lichunmei81@163.com
副教授,博士。研究方向:中药新剂型、思政教学。E-mail:changshengd86@163.com
收稿日期:2024-04-18,
修回日期:2024-11-03,
录用日期:2024-11-04,
纸质出版日期:2024-12-30
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李春梅,刘佳雯,张馨元,等.共载小檗碱/胡椒碱自微乳给药系统的构建及评价[J].中国药房,2024,35(24):2990-2997.
LI Chunmei,LIU Jiawen,ZHANG Xinyuan,et al.Construction and evaluation of berberine/piperine co-loaded self-microemulsion drug delivery system[J].ZHONGGUO YAOFANG,2024,35(24):2990-2997.
李春梅,刘佳雯,张馨元,等.共载小檗碱/胡椒碱自微乳给药系统的构建及评价[J].中国药房,2024,35(24):2990-2997. DOI: 10.6039/j.issn.1001-0408.2024.24.05.
LI Chunmei,LIU Jiawen,ZHANG Xinyuan,et al.Construction and evaluation of berberine/piperine co-loaded self-microemulsion drug delivery system[J].ZHONGGUO YAOFANG,2024,35(24):2990-2997. DOI: 10.6039/j.issn.1001-0408.2024.24.05.
目的
2
制备共载小檗碱/胡椒碱自微乳给药系统(BBR/PIP-SMEDDS),评价其理化性质、体外释药及药动学特征。
方法
2
通过外翻肠囊法确定制剂中小檗碱(BBR)和胡椒碱(PIP)的载药质量比;通过溶解度检测、相容性评价和伪三元相图分别确定油相、乳化剂和助乳化剂;以油相用量、乳化剂-助乳化剂质量比为因素,粒径和Zeta电位的综合评分为响应值,采用星点设计-效应面法优化空白自微乳给药系统(SMEDDS)的处方并验证;按最优处方,在磁力搅拌下加入过量BBR、PIP原料药,制得BBR/PIP-SMEDDS,对其理化性质、体外释药行为、大鼠体内药动学特征进行考察。
结果
2
BBR和PIP的载药质量比为1∶1,最优处方为油相(油酸乙酯)占18.54%,乳化剂(吐温-80)占52.16%,助乳化剂(聚乙二醇400)占29.30%。3次验证实验显示,所得空白SMEDDS的平均粒径为(16.49±0.49)nm,Zeta电位为(-16.22±0.77)mV,综合评分为0.97分,与预测值(0.95分)的相对偏差为2.11%。所制BBR/PIP-SMEDDS为水包油型微乳,为金黄色油状液体,呈圆球状,平均粒径为(32.90±0.38)nm,Zeta电位为(-19.17±0.70)mV;BBR的包封率为(90.44±0.88)%,载药量为(10.18±0.17)mg/g;PIP的包封率为(87.48±1.13)%,载药量为(9.41±0.17)mg/g(
n
=3)。BBR/PIP-SMEDDS低温(4 ℃)避光、离心、稀释条件下稳定性较好。体外释药结果显示,制备成SMEDDS后,BBR在模拟肠液中24 h时的累积释放百分率明显高于原料药。大鼠药动学研究结果表明,BBR/PIP-SMEDDS的峰浓度、药时曲线下面积(AUC
0-
t
)分别是原料药的4.61、7.07倍,相对生物利用度为707.484%。
结论
2
成功制得BBR/PIP-SMEDDS,所得制剂的体外释放和生物利用度均较原料药有较大提升。
OBJECTIVE
2
To prepare berberine/piperine co-loaded self-microemulsion drug delivery system (BBR/PIP-SMEDDS), evaluate its physicochemical properties,
in vitro
release and pharmacokinetic characteristics.
METHODS
2
The drug loading mass ratio of berberine (BBR) and piperine (PIP) in the preparation was determined by the everted intestinal sac method. The oil-phase, emulsifier and co-emulsifier were determined by solubility detection, compatibility evaluation and pseudo-ternary phase diagram, respectively. The formulation of blank self-microemulsion drug delivery system (SMEDDS) was optimized and verified by central composite design-response surface methodology with the amount of oil-phase and the mass ratio of emulsifier to co-emulsifier as factors, and the comprehensive score of particle size and Zeta potential as response value. According to the optimal prescription, BBR/PIP-SMEDDS was prepared by adding excessive BBR and PIP raw materials under magnetic stirring, and its physicochemical properties,
in vitro
release behavior and pharmacokinetic characteristics in rats were investigated.
RESULTS
2
The drug loading mass ratio of BBR and PIP was 1∶1. The optimal prescription included oil-phase (ethyl oleate) accounted for 18.54%, emulsifier (Tween-80) accounted for 52.16%, and co-emulsifier (polyethylene glycol 400) accounted for 29.30%. Three verification experiments showed that the average particle size of blank SMEDDS was (16.49±0.49) nm; the Zeta potential was (-16.22±0.77) mV; the comprehensive score was 0.97, the relative deviation of which from the predicted value (0.95) was 2.11%. The prepared BBR/PIP-SMEDDS was an oil-in-water microemulsion, which was a golden yellow oily liquid with a spherical shape. The average particle size was (32.90±0.38) nm, and the Zeta potential was (-19.17±0.70) mV. The encapsulation efficiency of BBR w
as (90.44±0.88)%, and the drug loading was (10.18±0.17) mg/g. The encapsulation efficiency of PIP was (87.48±1.13)%, and the drug loading was (9.41±0.17) mg/g. BBR/PIP-SMEDDS had good stability at low temperature (4 ℃) in the dark, centri-fugation and dilution. The results of
in vitro
release showed that the cumulative release percentage of BBR in simulated intestinal fluid for 24 h was significantly higher than that of the raw drug after the preparation of SMEDDS. The pharmacokinetic results in rats showed that the peak concentration and area under the drug-concentration time curve (AUC
0-
t
) of BBR/PIP-SMEDDS were 4.61 and 7.07 times higher than those of the raw drug respectively, and the relative bioavailability was 707.484%.
CONCLUSIONS
2
BBR/PIP-SMEDDS is successfully prepared, and the
in vitro
release and bioavailability of the preparation are greatly improved compared with the raw material.
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