CN1175813C - 盐酸多奈哌齐滴丸 - Google Patents

盐酸多奈哌齐滴丸 Download PDF

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CN1175813C
CN1175813C CNB021100659A CN02110065A CN1175813C CN 1175813 C CN1175813 C CN 1175813C CN B021100659 A CNB021100659 A CN B021100659A CN 02110065 A CN02110065 A CN 02110065A CN 1175813 C CN1175813 C CN 1175813C
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donepezil hydrochloride
stearate
polyethylene glycol
present
polyoxyethylene
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CN1436531A (zh
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王志刚
尼富苓
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Shandong New Time Pharmaceutical Co Ltd
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Abstract

本发明提供一种盐酸多奈哌齐滴丸剂,该制剂包含盐酸多奈哌齐,水溶性辅料聚乙二醇4000和聚氧乙烯(40)硬脂酸酯成份,各成份的重量百分比为盐酸多奈哌齐6-16、聚乙二醇4000≤94、聚氧乙烯(40)硬脂酸酯≤94,聚乙二醇4000和聚氧乙烯(40)硬脂酸酯的含量都不为零。本发明剂量分割方便,减小了增加剂量的梯度,提高了生物利用度,且产品质量稳定,生产条件易控制。

Description

盐酸多奈哌齐滴丸
                      1、技术领域
本发明涉及一种盐酸多奈哌齐滴丸剂,属于西药制剂技术领域。
                      2、技术背景
盐酸多奈哌齐是一种治疗阿尔茨海默型轻度至中度痴呆的药物,同时也获准了对儿童注意力障碍缺乏症的治疗。临床中可减缓阿尔茨海默病发展的药物有抗氧化剂,单胺氧化酶抑制剂、抗炎药和胆碱酶抑制剂以及尚在试验阶段的生物工程药物如脑神经修复剂。其中可纠正或减缓中枢神经系统中胆碱功能减退的药物疗效已得到公认。近几年获美国FDA批准治疗阿尔茨海默型轻度至中度痴呆的药物只有盐酸他克林和盐酸多奈哌齐。盐酸多奈哌齐是哌啶类胆碱酯酶抑制剂,其治疗作用是可逆性抑制乙酰胆碱酯酶引起的乙酰胆碱水解而增加受体部位的乙酰胆碱量,也可能有对肽的处置、神经递质受体或离子通道的直接作用。该药对乙酰胆碱酯酶有高度的选择性,其作用超过丁酰胆碱酯酶1000倍以上,而他克林则基本相同,故此,盐酸多奈哌齐比盐酸他克林引起中枢外周胆碱能副作用小,且盐酸他克林有血液神经肝毒性。因此盐酸多奈哌齐更具市场前景。
目前临床上常用的盐酸多奈哌齐制剂为5mg的普通片剂。该药(1)价格高,用药疗程长;(2)根据患者的病情不同,分别需要2.5-10mg不同剂量,且病人顺应性差:(3)为难溶性药物,生物利用度低。
                          3、发明内容
本发明的目的是针对上述问题,提供一种水溶性小剂量,剂量分割方便,减小增加剂量的梯度,提高生物利用度的滴丸剂,剂量为2.5mg。
本发明的技术特点是:选用了水溶性固体分散物性药用辅料聚乙二醇和聚氧乙烯(40)硬脂酸酯为载体,将药物混悬在熔融的载体中,采用滴制法制成微丸。
本发明盐酸多奈哌齐滴丸是这样实现的:其成份包括盐酸多奈哌齐、水溶性辅料聚乙二醇4000和聚氧乙烯(40)硬脂酸酯,各成份的重量百分比为盐酸多奈哌齐6-16、聚L--醇4000≤94和聚氧乙烯(40)硬脂酸酯≤94,聚乙二醇4000和聚氧乙烯(40)硬脂酸酯的含量都不为零。
本发明盐酸多奈哌齐滴丸的制备是将盐酸多奈哌齐原料药加入熔融的辅料聚乙二醇和聚氧乙烯(40)硬脂酸酯中,80℃搅拌、混匀、滴入液体石蜡中固化、过滤、干燥、包装即得。
                      4、实施方式
本品在温度40℃,相对湿度75%的条件下存放六个月,其含量和溶出度结果如下:
                  盐酸多奈哌齐滴丸放置稳定性
时间(月)             含量(%)             溶出度(%)
0                    99.7                 93.36
1                    100.4                94.28
3                    101.2                94.S7
6                    99.6                 92.78
本滴丸优点是(1)吞咽方便,尤其适合痴呆病人给药;(2)剂量分割方便,可因治疗需要,使用适合于患者的对症用量;(3)减少了增加剂量的梯度,因而减少了病人因剂量突然增加而出现的副作用,并可选择最佳的价格治疗比;(4)可以舌下含服,提高生物利用度。另外,滴丸的生产车间无粉尘,有利于劳动保护。本品质量稳定且生产条件易控制,丸重差异小,含量较准确。本发明实施例:
例1:
处方                                    每1000粒用量
盐酸多奈哌齐                            2.5g
聚乙二醇4000                            7.85g
聚氧乙烯(40)硬脂酸酯                    7.85g
液体石蜡                                冷凝剂
操作工艺:将聚乙二醇和聚氧乙烯(40)硬脂酸酯放烧杯中,加热至80℃熔融,将盐酸多奈哌齐加入其中,搅拌、混匀,80℃±2℃以下保温,用中1mm的针头,将混合液滴入在冷却的液体石蜡中,沉降放置30分钟后,过滤,擦干,即得。每粒丸重约17mg,含盐酸多奈哌齐2.5mg
处方                                     每1000粒用量
盐酸多奈哌齐                             5g
聚乙二醇4000                             15.7g
聚氧乙烯(40)硬脂酸酯                     15.7g
液体石蜡                                 冷凝剂
操作工艺:将聚乙二醇和聚氧乙烯(40)硬脂酸酯放烧杯中,加热至80℃熔融,将盐酸多奈哌齐加入其中,搅拌、混匀,80℃±2℃以下保温,用中2mm的针头,将混合液滴入在冷却的液体石蜡中,沉降放置30分钟后,过滤,擦干,即得。每粒丸重约34mg,含盐酸多奈哌齐5mg。

Claims (1)

1、一种盐酸多奈哌齐滴丸剂,其特征在于包含盐酸多奈哌齐、水溶性辅料聚乙二醇4000和聚氧乙烯(40)硬脂酸酯成份,各成份的重量百分比为盐酸多奈哌齐6-16、聚乙二醇4000≤94、聚氧乙烯(40)硬脂酸酯≤94,聚乙二醇4000和聚氧乙烯(40)硬脂酸酯的含量都不为零。
CNB021100659A 2002-02-07 2002-02-07 盐酸多奈哌齐滴丸 Expired - Lifetime CN1175813C (zh)

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Publication number Priority date Publication date Assignee Title
CN101090738A (zh) * 2004-12-27 2007-12-19 卫材R&D管理有限公司 含有碱性药物或其盐的基质型缓释制剂及其制备方法
CN118750459B (zh) * 2024-07-22 2025-04-01 常州市武进中医医院 一种酒石酸唑吡坦片及其制备方法

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Granted publication date: 20041117