CN105832684A - 唑尼沙胺口腔崩解片及制备方法 - Google Patents
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- 229960002911 zonisamide Drugs 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
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Abstract
本发明提供了一种唑尼沙胺口腔崩解片及其制备方法,采用合理比例的常用矫味剂D‑甘露醇外,用乙基纤维素包衣制成含药微丸改变唑尼沙胺的苦味,同时又添加阿斯巴甜改善口感,口腔内崩解后吞咽舒适,无砂砾感、苦味及对口腔黏膜无刺激性。本发明工艺简单、质量均一,生物利用度高。
Description
技术领域
本发明涉及一种唑尼沙胺口腔崩解片及其制备方法,属于药物制剂领域。
背景技术
在国外,口腔崩解片制备技术巳较为成熟,如冷冻干燥法、模制法、直接压片法、喷雾干燥法等,在国内虽也部分品种成功上市,但受制备技术知识产权的限制,产品在口感及崩解速度方面仍不及国外,尤其当矫味剂不能完全掩盖部分苦麻味较重的药物时,需要采用特殊技术对原料药进行掩味预处理,如包衣技术、包合物技术、固体分散体技术、微囊/微球/微球技术、离子交换技术等。
口腔崩解片作为一种新的剂型和一种新的用药方法,可方便部分人群用药,如老人、儿童、吞咽困难或特殊环境下的病人用药。该剂型与普通片剂相比,其特点是不需用水或只需少量水,也无需咀嚼,药物置于舌上,遇唾液迅速溶解或崩解后,借吞咽动作入胃起效。为满足上述适宜人群和环境中方便用药,我们进行了唑尼沙胺口腔崩解片的研制,为临床提供一个服用方便的新剂型,增加临床用药的一种选择。与此同时由于活性物质唑尼沙胺的特殊性质,会给患者在服用时来带的苦、涩、麻味等一些不良的口感,并且服用后不良口感会停留很长一段时间,这给唑尼沙胺口腔崩解片的应用和推广造成了极大的阻碍。
唑尼沙胺(zonisamide,ZNS)全称1-(1,2-苯并噁唑-3-基)甲基磺酰胺,是一种半衰期较长的抗癫痫药物,最早在日本合成。ZNS现获准在美国、欧洲和韩国应用抗癫痫治疗,也用于治疗偏头痛、肥胖、情感障碍、进食障碍、神经痛等。
制备活性成分唑尼沙胺的口腔崩解片是有问题的,因为活性成分由于其理化性质导致非常硬、溶解缓慢且味极苦的片剂。当大部分(<50 %)水不溶性载体被引入片剂时,可以获得快速溶解的口腔崩解片。但是,这些片剂的口感并不能让人满意,因为大部分的不溶性赋形剂在舌头上被感知为粗糙异物。
因此,本发明的开发工作集中于掩味,通过选择合适的赋形剂和适当的工艺,找到了口感愉悦且释放非常迅速的制剂。
发明内容
本发明的第一目的在于提供一种唑尼沙胺口腔崩解片,该崩解片稳定性好,在口腔内崩解后吞咽舒适,无砂砾感 、苦味及对口腔黏膜无刺激性。
本发明的第二目的在于提供本发明所述的唑尼沙胺口腔崩解片的制备方法,该方法工艺简单、质量均一,生物利用度高,容易实现产业化,更好的应用于临床,具有明显的优势。
为实现本发明的目的,本发明采用如下技术方案:
一种唑尼沙胺口腔崩解片,其每1000片的配方组成为:
本发明唑尼沙胺的口腔崩解片,采用如下的方法制备:
1)将唑尼沙胺过200目筛,其余辅料过100目筛备用;
2)将唑尼沙胺、D-甘露醇、60%处方量的微晶纤维素及玉米淀粉混合均匀,用70%乙醇溶液湿法制粒;
3)将步骤2)样品60±5℃鼓风干燥,整粒(0.5mm);
4)将乙基纤维素及聚乙烯醇(部分皂化)溶于乙醇的溶液中,边搅拌边加入微粉硅胶,得到完全分散均匀的包衣溶液;
5)将步骤3)的颗粒倒入包衣机内,喷入步骤4)的包衣液,控制流化床进风温度65℃,床体温度40℃,雾化压力0.25MPa,喷液流速5ml/min,包衣;
6)将步骤5)包衣颗粒干燥,控制水分<5%,过筛(0.7mm);
7)控制环境相对湿度50%以下,将剩余辅料加入步骤6)的颗粒中,混合均匀,用直径8mm的冲头,调节压力,压制片重约200mg及厚度约3.2mm,即得唑尼沙胺口腔崩解片。
与现有技术相比,本发明具有如下优点:
1)本发明所提供的唑尼沙胺口腔崩解片,彻底解决了唑尼沙胺的口感差,溶出速率
慢等问题;
2)本发明所提供的唑尼沙胺口腔崩解片对于提高该产品的收率、降低产品的市场风险,更好的应用于临床治疗有着很大的帮助;
3)本发明所提供的唑尼沙胺口腔崩解片经工业化大生产及稳定性考察,证明产品质量稳定,均一;
4)本发明所提供的唑尼沙胺口腔崩解片的制备方法,工艺简单易行,产品在口腔内崩解后吞咽舒适,无砂砾感 、苦味及对口腔黏膜无刺激。
具体实施方式
下面的实施例可以对本发明进行进一步的描述,然而,这些实施例不应作为对本发明范围的限制。
实施例1
处方:
制备工艺:
1)将唑尼沙胺过200目筛,其余辅料过100目筛备用;
2)将唑尼沙胺、D-甘露醇、60%处方量的微晶纤维素及玉米淀粉混合均匀,用70%乙醇溶液湿法制粒;
3)将步骤2)样品60±5℃鼓风干燥,整粒(0.5mm);
4)将乙基纤维素及聚乙烯醇(部分皂化)溶于乙醇的溶液中,边搅拌边加入微粉硅胶,得到完全分散均匀的包衣溶液;
5)将步骤3)的颗粒倒入包衣机内,喷入步骤4)的包衣液,控制流化床进风温度65℃,床体温度40℃,雾化压力0.25MPa,喷液流速5ml/min,包衣;
6)将步骤5)包衣颗粒干燥,控制水分<5%,过筛(0.7mm);
7)控制环境相对湿度50%以下,将剩余辅料加入步骤6)的颗粒中,混合均匀,用直径8mm的冲头,调节压力,压制片重约200mg及厚度约3.2mm,即得。
实施例2
处方:
制备工艺:
1)将唑尼沙胺过200目筛,其余辅料过100目筛备用;
2)将唑尼沙胺、D-甘露醇、60%处方量的微晶纤维素及玉米淀粉混合均匀,用70%乙醇溶液湿法制粒;
3)将步骤2)样品60±5℃鼓风干燥,整粒(0.5mm);
4)将乙基纤维素及聚乙烯醇(部分皂化)溶于乙醇的溶液中,边搅拌边加入微粉硅胶,得到完全分散均匀的包衣溶液;
5)将步骤3)的颗粒倒入包衣机内,喷入步骤4)的包衣液,控制流化床进风温度65℃,床体温度40℃,雾化压力0.25MPa,喷液流速5ml/min,包衣;
6)将步骤5)包衣颗粒干燥,控制水分<5%,过筛(0.7mm);
7)控制环境相对湿度50%以下,将剩余辅料加入步骤6)的颗粒中,混合均匀,用直径8mm的冲头,调节压力,压制片重约200mg及厚度约3.2mm,即得。
实施例3 质量评价
1、性状考察
表1 性状考察结果
由此可见,本发明符合口腔崩解片的临床药用要求。
2、溶出度考察
2.1 溶出条件:900ml溶液;浆法;50转/分;温度:37±0.5℃
2.2 结果:见表2
表2 溶出度考察结果
由此可见,本发明具体显著的优势。
3、加速试验考察
本发明实施例2的样品,按照市售包装,在40℃士2℃,RH75%士5%的条件放置6个月,期间分别于第1,2,3,6个月取样,按照稳定性检查项目检测,并与0天数据比较,结果见表3:
表3 加速试验考察结果
以上试验结论可以看出:本品在加速试验条件下放置6个月各项检测指标与0月相比无明显差异,稳定性好。
Claims (2)
1.一种唑尼沙胺口腔崩解片,其特征在于,每1000片其配方组成为:
。
2.根据权利要求1所述的唑尼沙胺口腔崩解片的制备方法,其特征在于,该方法包括如下步骤:
1)将唑尼沙胺过200目筛,其余辅料过100目筛备用;
2)将唑尼沙胺、D-甘露醇、60%处方量的微晶纤维素及玉米淀粉混合均匀,用70%乙醇溶液湿法制粒;
3)将步骤2)样品60±5℃鼓风干燥,整粒(0.5mm);
4)将乙基纤维素及聚乙烯醇(部分皂化)溶于乙醇的溶液中,边搅拌边加入微粉硅胶,得到完全分散均匀的包衣溶液;
5)将步骤3)的颗粒倒入包衣机内,喷入步骤4)的包衣液,控制流化床进风温度65℃,床体温度40℃,雾化压力0.25MPa,喷液流速5ml/min,包衣;
6)将步骤5)包衣颗粒干燥,控制水分<5%,过筛(0.7mm);
7)控制环境相对湿度50%以下,将剩余辅料加入步骤6)的颗粒中,混合均匀,用直径8mm的冲头,调节压力,压制片重约200mg及厚度约3.2mm,即得唑尼沙胺口腔崩解片。
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102006861A (zh) * | 2008-02-13 | 2011-04-06 | 大日本住友制药株式会社 | 口腔崩解片 |
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