CN1108798C - 一种治疗、预防血栓形成及中风的复方制剂及其制备方法 - Google Patents
一种治疗、预防血栓形成及中风的复方制剂及其制备方法 Download PDFInfo
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Abstract
本发明公开了一种治疗、预防血栓形成及中风的复方缓释片。本发明还涉及该复方缓释片的制备方法。本发明的复方缓释片中潘生丁与阿司匹林均可缓慢释放,使疗效维持较长时间,同时减轻了阿司匹林对消化道的刺激,而且制备工艺简单,成本低。
Description
本发明涉及一种治疗、预防血栓形成及中风的复方制剂及其制备方法,具体来说是一种治疗、预防血栓形成及中风的复方缓释片及其制备方法。
2,2′,2″,2″′[(4,8-二哌啶基嘧啶并[5,4-d]嘧啶-2,6-二基)双次氮基]-四乙醇(双嘧达莫,异名潘生丁)是一种广泛应用于临床的抗血小板聚集药物,主要用于预防血栓形成、动脉硬化以及心肌梗塞复发等疾病。2-(乙酰氧基)苯甲酸(乙酰水杨酸,异名阿司匹林)是一种传统的解热、消炎、镇痛药。近年来证明两药同时应用,可以抑制血小板聚集从而用于防治中风、动脉血栓等疾病。据有关专利DE3627423A、EP257344A报导,分别将潘生丁制成缓释小丸,将阿司匹林制成糖衣片后,然后取适量的潘生丁小丸与一片阿司匹林糖衣片一同装入胶囊,制成复方胶囊。该复方胶囊由于潘生丁小丸和阿司匹林糖衣片分别制备,不仅工艺繁琐,成本高,而且由于阿司匹林不具有缓释作用而大量释放,对消化道的刺激很大,会引起消化道的不良反应。
本发明的目的在于提供一种具有缓释作用的治疗、预防血栓形成及中风的复方制剂。
本发明的另一目的为提供一种工艺简单,成本低的复方缓释片的制备方法。
本发明所提供的治疗、预防血栓形成及中风的复方制剂是一种复方缓释片。
本发明所提供的治疗、预防血栓形成及中风的复方制剂是一种含有2,2′,2″,2″′[(4,8-二哌啶基嘧啶并[5,4-d]嘧啶-2,6-二基)双次氮基]-四乙醇及2-(乙酰氧基)苯甲酸复方缓释片。
本发明所提供的治疗、预防血栓形成及中风的复方制剂由以下组分组成:2,2′,2″,2″′[(4,8-二哌啶基嘧啶并[5,4-d]嘧啶-2,6-二基)双次氮基]-四乙醇200mg,2-(乙酰氧基)苯甲酸25mg,乙基纤维素48~72mg,微晶纤维素48~72mg,淀粉32~48mg,羧甲基淀粉钠9.2~13.5mg,硬脂酸镁1.85~2.80mg。
本发明制备上述复方缓释片的方法依次包括以下步骤:(1)将200mg 2,2′,2′,2′,[(4,8-二哌啶基嘧啶并[5,4-d]嘧啶-2,6-二基)双次氮基]-四乙醇,25mg 2-(乙酰氧基)苯甲酸,48~72mg乙基纤维素,48~72mg微晶纤维素,32~48mg淀粉分别过80目筛后混合均匀。(2)以乙基纤维素乙醇溶液为粘合剂,将上述混合物制成软材,再将其过16目筛制成湿颗粒。(3)将上述湿颗粒通风干燥,经16目筛整粒,80目筛筛去细粉后加入已过80目筛的羧甲基淀粉钠9.2~13.5mg,硬脂酸镁1.85~2.80mg,混合均匀,压片。
其中,所用的乙基纤维素乙醇溶液的浓度为1%~1.5%,湿颗粒通风干燥时的温度为50~60℃。
将本发明制得的复方缓释片,依照释放度测定法(中国药典1995年版二部附录释放度检查法第一法)测定结果如下:
时间(小时) 1 2 4 6 8
累积释放百分比(%) 10~30 25~45 35~65 60~85 >80
本发明与现有技术相比,制备工艺简单,成本低,复方中潘生丁与阿司匹林均可缓慢释放,不但使疗效维持较长时间,还减轻了阿司匹林对消化道的刺激。
实施例1(1)将200mg 2,2′,2′,2′,[(4,8-二哌啶基嘧啶并[5,4-d]嘧啶-2,6-二基)双次氮基]-四乙醇,25mg 2-(乙酰氧基)苯甲酸,52mg乙基纤维素,72mg微晶纤维素,35mg淀粉分别过80目筛后混合均匀。(2)以1.5%乙基纤维素乙醇溶液为粘合剂,将上述混合物制成软材,再将其过16目筛制成湿颗粒。(3)将上述湿颗粒于50℃通风干燥,经16目筛整粒,80目筛筛细粉后加入已过80目筛的羧甲基淀粉钠13.5mg,硬脂酸镁2.80mg,混合均匀,压片。
即得本发明的复方缓释片。
实施例2(1)将200mg 2,2’,2’,2’,[(4,8-二哌啶基嘧啶并[5,4-d]嘧啶-2,6-二基)双次氮基]-四乙醇,25mg 2-(乙酰氧基)苯甲酸,60mg乙基纤维素,60mg微晶纤维素,40mg淀粉分别过80目筛后混合均匀。(2)以1.3%乙基纤维素乙醇溶液为粘合剂,将上述混合物制成软材,再将其过16目筛制成湿颗粒。(3)将上述湿颗粒于55℃通风千燥,经16目筛整粒 80目筛筛去细粉后加入已过80目筛羧甲基淀粉钠12.3mg,硬脂酸镁2.46mg,混合均匀,压片。
即得本发明的复方缓释片。
实施例3(1)将200mg 2,2′,2″,2″′[(4,8-二哌啶基嘧啶并[5,4-d]嘧啶-2,6-二基)双次氮基]-四乙醇,25mg 2-(乙酰氧基)苯甲酸,69mg乙基纤维素,48mg微晶纤维素,47mg淀粉分别过80目筛后混合均匀。(2)以1.0%乙基纤维素乙醇溶液为粘合剂,将上述混合物制成软材再将其过16目筛制成湿颗粒。(3)将上述湿颗粒于60℃通风干燥,经16目筛整粒,80目筛筛去细粉后加入已过80目筛的羧甲基淀粉钠9.2mg,硬脂酸镁1.85mg,混合均匀,压片。
即得本发明的复方缓释片。
Claims (4)
1、一种治疗、预防血栓形成及中风的复方制剂,其特征在于该复方制剂为一种复方缓释片,由以下组分组成:2,2’,2”,2”’,[(4,8-二哌啶基嘧啶并[5,4-d]嘧啶-2,6-二基)双次氮基]-四乙醇200mg,2-(乙酰氧基)苯甲酸25mg,乙基纤维素48~72mg,微晶纤维素48~72mg,淀粉32~48mg,羧甲基淀粉钠9.2~13.5mg,硬脂酸镁1.85~2.80mg。
2、一种制备权利要求1所述的复方制剂的方法,依次包括以下步骤:(1)将200mg 2,2’,2”,2”’,[(4,8一二哌啶基嘧啶并[5,4-d]嘧啶-2,6-二基)双次氮基]-四乙醇,25mg 2-(乙酰氧基)苯甲酸,48~72mg乙基纤维素,48~72mg微晶纤维素,32~48mg淀粉分别过80目筛后混合均匀。(2)以乙基纤维素乙醇溶液为粘合剂,将上述混合物制成软材,再将其过16目筛制成湿颗粒。(3)将上述湿颗粒通风干燥,经16目筛整粒,80目筛筛去细粉后,加入已过80目筛的羧甲基淀粉钠9.2~13.5mg,硬脂酸镁1.85~2.80mg,混合均匀,压片。
3、如权利要求2所述的制备方法,其特征在于所用的乙基纤维素乙醇溶液的浓度为1%~1.5%。
4、如权利要求2所述的制备方法,其特征在于湿颗粒通风干燥时的温度为50~60℃。
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| EP1093814A1 (en) * | 1999-10-22 | 2001-04-25 | Boehringer Ingelheim Pharma KG | Use of dipyridamole or mopidamol in the manufacture of a medicament for the treatment and prevention of fibrin-dependent microcirculation disorders |
| PT1350511E (pt) * | 2000-12-25 | 2008-10-28 | Ube Industries | Composições medicinais contendo aspirina |
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| Title |
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| 《南京医学院学报》,13(3) 1993-01-01 刘广余等,"阿斯匹林与双嘧哌胺醇复方制剂对血小板凝集影响的研究" * |
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