星点设计-响应面法优化盐酸罗沙替丁醋酸酯缓释片的处方
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篇名: | 星点设计-响应面法优化盐酸罗沙替丁醋酸酯缓释片的处方 |
TITLE: | |
摘要: | 目的:优化盐酸罗沙替丁醋酸酯(ROX)缓释片的处方。方法:采用粉末直接压片法制备ROX缓释片,以1、4、8 h的体外累积释放度的综合指标为指标,以乳糖/微晶纤维素(MCC)(m/m)、乙基纤维素(EC)用量、羟丙基甲基纤维素(HPMC)用量为因素,采用星点设计-响应面法优化制剂处方,并进行验证。结果:最优处方为ROX 75 mg、乳糖 45 mg、MCC 91 mg、EC 65 mg、HPMC 124 mg、微粉硅胶2 mg。所制缓释片1、4、8 h的体外累积释放度分别为(30.7±0.5)%、(65.8±0.7)%、(89.4±0.6)%,与预测值的相对误差分别为0.6%、0.8%、1.2%。结论:成功制得达到预期缓释效果的ROX缓释片。 |
ABSTRACT: | OBJECTIVE: To optimize the formulation of Roxatidine acetate hydrochloride (ROX) sustained-release tablets. METHODS: ROX sustained-release tablets were prepared by direct powder compression method. Central composite design-response surface methodology was used to optimize the formulation with composite index of 1, 4, 8 h in vitro accumulative release rate as index, using mass ratio of lactose/microcrystalline cellulose (MCC) (m/m), ethyl cellulose (EC) amount and HPMC amount as factors. Validation test was also conducted. RESULTS: The optimal formulation was as follows as ROX 75 mg, lactose 45 mg, MCC 91 mg, EC 65 mg, HPMC 124 mg, micropowder silica gel 2 mg. 1, 4, 8 h in vitro accumulative release rates of prepared sustained-release tablets were (30.7±0.5)%, (65.8±0.7)%, (89.4±0.6)%, respectively. Related errors of them to predicted value were 0.6%, 0.8%, 1.2%, respectively. CONCLUSIONS: ROX sustained-release tablets are prepared successfully, and sustained-release effect is consisted with the expected effect. |
期刊: | 2018年第29卷第7期 |
作者: | 段颐珊,杜娟,孙璐,李雪怡,林宁 |
AUTHORS: | DUAN Yishan,DU Juan,SUN Lu,LI Xueyi,LIN Ning |
关键字: | 盐酸罗沙替丁醋酸酯;缓释片;星点设计-响应面法;制备;处方优化 |
KEYWORDS: | Roxatidine acetate hydrochloride; Sustained-release tablets; Central composite design-response surface methodology; Preparation; Formulation optimization |
阅读数: | 318 次 |
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