共查询到20条相似文献,搜索用时 62 毫秒
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采用HPLC测定国产金诺芬胶囊剂的体外溶出度,平均回收率为99.84%,RSD为2.35%,3批产品的15min溶出量大于80%。 相似文献
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盐酸黄连素微囊溶出度的研究 总被引:15,自引:1,他引:14
本文报道采用微囊技术掩盖黄连素的苦味,通过对溶出度的研究表明,该品在人工胃液、肠液中的溶出度与片剂无显著差异,对治疗作用亦无影响,解决了儿童服药不便的难题。 相似文献
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本文用紫外分光光度法对两家药厂生产的头孢氨苄片与胶囊剂进行了体外溶出度考察。经过统计学处理的结果表明各产品有显著性差异,提示国产头孢氨苄片有必要增加溶出度检查以控制其质量。 相似文献
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目的 采用转篮法测定氧氟沙星 (OFL X)胶囊的体外溶出度 ,以建立其溶出度的测定法。方法 按《中国药典》2 0 0 0年版溶出度的测定法测定 OFL X胶囊的溶出度。结果 实验数据根据威布尔分布模型计算出 T50 、Td 及 m。结论 方差分析表明 :不同厂家产品溶出度呈显著性差异 (P <0 .0 1)。 15 min时的累积溶出量之间无显著性差异 (P >0 .0 5 ) ,且符合《中国药典》2 0 0 0年版规定。 相似文献
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A.M. Mujumdar D.G. Naik R.J. Waghole D.K. Kulkarni M.S. Kumbhojkar 《Pharmaceutical biology》2013,51(1):13-17
An alcoholic extract of Sterculia foetida L. leaves was subjected to pharmacological screening using various animal models. The extract caused reduced exploratory activity in mice. Further it potentiated pentobarbitone sleeping time in normal and chronic pentobarbitone-treated mice. It also potentiated barbital sodium-induced hypnosis, indicating central nervous system depressant activity. The extract also exhibited significant antiinflammatory activity in the acute carrageenan-induced rat paw edema and the chronic granuloma pouch models. However, it was devoid of analgesic activity in the tail flick model. 相似文献
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目的:考察国内12个生产企业62批头孢泊肟酯片的溶出度情况,对其现行方法的合理性与有效性进行评价。方法:分别采用《中国药典》2010年版、USP 35与JP16所收载方法测定头孢泊肟酯片的累积溶出量。结果:采用《中国药典》的方法检查,国内12个生产企业的62批样品溶出度合格率为100%,而采用《美国药典》与《日本药局方》的方法测定,合格率仅分别为40.3%与30.7%;大部分生产企业的样品的3条累积溶出曲线与国外原研制剂相差较大。结论:头孢泊肟酯片现行标准中的溶出度检查方法不能很好的区分不同处方的产品质量,同时,根据头孢泊肟酯制剂需饭后服用的要求(餐后胃液pH值为3.5),该溶出介质也不能合理地反映产品在体内的真实溶出状况,建议对该检验方法进行修订。 相似文献
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《Statistics In Biopharmaceutical Research》2013,5(3):158-169
In long-term single cohort safety studies, the incremental incidence rate is a useful concept in evaluating risks related to adverse events of medical interest (EMI). We propose estimates for the incremental (say annual) incidence rates in the presence of independent random right censoring and describe their statistical properties. More importantly, we propose tests for the null hypothesis that the incremental incidence rates remain constant during the study against various alternative hypotheses, such as rates changing over the years or having a specific trend, say monotonic increasing or decreasing. In contrast with the existing methods that test constant hazard rates, the proposed method allows nonconstant hazard within each year; therefore, it is especially useful for EMIs that have a seasonal occurrence pattern. This article explores and characterizes properties of these tests under various alternatives via theory and simulations. A numerical example based on a real long-term single cohort safety study is also provided to demonstrate the application and interpretation of the proposed tests. It also illustrates limitations of visually inspecting the rates, as opposed to formally testing them, to assert a causal link between exposure and adverse EMIs. 相似文献