CN106943388A - 一种含有布洛芬和盐酸去氧肾上腺素的双层药用组合物及其制备方法 - Google Patents
一种含有布洛芬和盐酸去氧肾上腺素的双层药用组合物及其制备方法 Download PDFInfo
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Abstract
本发明制备了一种含有布洛芬和盐酸去氧肾上腺素的双层药用组合物,其特征在于,是由布洛芬缓释层和盐酸去氧肾上腺素速释层组成的双层片;布洛芬缓释层包含100mg‑500mg布洛芬;盐酸去氧肾上腺素速释层包含5mg‑30mg盐酸去氧肾上腺素。本发明所制备的布洛芬‑盐酸去氧肾上腺素双层片,是将布洛芬和盐酸去氧肾上腺素分别制备成颗粒或粉末,然后再压制成双层片;盐酸去氧肾上腺素速释层实现药物的快速释放,迅速起效,缓解鼻塞、流涕、打喷嚏等症状;布洛芬缓释层实现药物的缓慢释放,持续缓解头痛、发烧、鼻塞、轻度身体疼痛等感冒相关症状;同时双层片可以减少药物间相互作用,提高制剂稳定性。
Description
技术领域
本发明涉及药物制剂领域,具体涉及一种含有布洛芬和盐酸去氧肾上腺素的双层药用组合物及其制备方法。
背景技术
布洛芬为丙酸衍生物,属于非甾体抗炎药(NSAID),具有镇痛、解热和消炎特性。布洛芬的镇痛、消炎作用机制尚未完全阐明,可能作用于炎症组织局部,通过抑制前列腺素或其他递质的合成而起作用,由于白细胞活动及溶酶体酶释放被抑制,使组织局部的痛觉冲动减少,痛觉受体的敏感性降低。
盐酸去氧肾上腺素为拟交感神经类药物,主要直接作用于α1-肾上腺素受体,属于选择性α1-肾上腺素受体激动剂。在治疗剂量下,该药物对心脏β1受体无显著刺激作用,且不刺激位于支气管及外周血管上的β-肾上腺素受体。α-肾上腺素通过腺苷酸环化酶的抑制作用来抑制环腺苷3’,5’-单磷酸酯的生成。去氧肾上腺素主要作为感冒药中的鼻血管收缩药物使用,通过血管收缩,减少水肿和鼻腔肿胀。
临床使用布洛肾素片用于暂时缓解由普通感冒及流感所引起的相关症状,如头痛、发烧、鼻窦压力升高、鼻塞、轻度身体疼痛。但存在着给药次数多,服药不方便的问题,且将两种药物混合在一起,易发生药物间的物理化学变化,导致药效降低。同时,普通片给药后,血药浓度变化较大,影响药效,增加了药物的不良反应。
本发明将布洛芬同缓释材料及其它药学上可接受的辅料制备得到布洛芬缓释层,将盐酸去氧肾上腺素同填充剂及其它药学上可接受的辅料制备得到盐酸去氧肾上腺素速释层,通过双层压片制得双层片。本发明设计的布洛芬-盐酸去氧肾上腺素双层片中,盐酸去氧肾上腺素速释层实现药物的快速释放,迅速起效,缓解鼻塞、流涕、打喷嚏等症状;布洛芬缓释层实现药物的缓慢释放,持续缓解头痛、发烧、鼻塞、轻度身体疼痛等感冒相关症状。
本发明所涉及的布洛芬-盐酸去氧肾上腺素双层药用组合物及其制备方法未见有类似专利及文献报道。
发明内容
本发明目的是提供一种含有布洛芬和盐酸去氧肾上腺素的双层药用组合物,该组合物是由布洛芬缓释层和盐酸去氧肾上腺素速释层组成的双层片。其中,盐酸去氧肾上腺素速释层实现药物的快速释放,迅速起效,缓解鼻塞、流涕、打喷嚏等症状;布洛芬缓释层实现药物的缓慢释放,持续缓解头痛、发烧、鼻塞、轻度身体疼痛等感冒相关症状;同时双层片可以减少药物间相互作用,提高制剂稳定性。
本发明的技术方案如下:
将布洛芬同缓释材料及其它药学上可接受的辅料制备得到布洛芬缓释层,将盐酸去氧肾上腺素同填充剂及其它药学上可接受的辅料制备得到盐酸去氧肾上腺素速释层,通过双层压片制得双层片。
布洛芬缓释层包含活性成分布洛芬100mg-500mg,缓释材料、填充剂、润滑剂及其他药用辅料中的一种或几种,可以实现布洛芬的缓慢释放;盐酸去氧肾上腺素层包含活性成分盐酸去氧肾上腺素5mg-30mg,填充剂、崩解剂、润滑剂及其他药用辅料中的一种或几种,可以实现盐酸去氧肾上腺素的快速释放。
布洛芬缓释层中缓释材料用量为5%-50%,所述缓释材料选自羟丙甲纤维素、羟丙基纤维素、海藻酸钠、卡波姆、乙基纤维素、聚乙烯醇、聚乙烯吡咯烷酮、聚醋酸乙烯酯中的一种或几种;填充剂用量为5%-50%,所述填充剂选自乳糖、微晶纤维素、淀粉、预胶化淀粉、甘露醇中的一种或几种;润滑剂用量为0%~10%,所述润滑剂选自硬脂酸、微粉硅胶、滑石粉、聚乙二醇类、十二烷基硫酸钠中的一种或几种;粘合剂用量为0%-50%,所述粘合剂选自羟丙甲纤维素、聚乙烯吡咯烷酮、羟丙基纤维素、淀粉中的一种或几种。
盐酸去氧肾上腺素速释层中填充剂用量为30%-95%,所述填充剂为乳糖、微晶纤维素、淀粉、预胶化淀粉、甘露醇中的一种或几种;崩解剂用量为0%~30%,所述崩解剂选自干淀粉、低取代羟丙基纤维素、交联聚维酮、交联羧甲基纤维素钠、羧甲基淀粉钠中的一种或几种;润滑剂用量为0%~10%,所述润滑剂选自硬脂酸镁、硬脂酸、微粉硅胶、滑石粉、聚乙二醇类、十二烷基硫酸钠中的一种或几种;粘合剂用量为0%-50%,所述粘合剂选自羟丙甲纤维素、聚乙烯吡咯烷酮、羟丙基纤维素、淀粉中的一种或几种。
布洛芬缓释层和盐酸去氧肾上腺素速释层中粘合剂的加入方式选自水溶液、醇溶液、醇水混合溶液或粉末形式中的一种或几种。
将布洛芬和盐酸去氧肾上腺素分别采用粉末直接混合、湿法制粒、干法制粒或其它药学上可接受的粉末或颗粒制备方法制备成颗粒或粉末,然后再压制成双层片。
本发明优选处方组成如下:
(1)布洛芬缓释层
(2)盐酸去氧肾上腺素速释层
优选的制备方法如下:
(1)布洛芬缓释层
将布洛芬、乳糖和羟丙甲纤维素混合均匀,加入适量的粘合剂制软材,湿整粒,干燥后整粒,加入硬脂酸和微粉硅胶后混合均匀;
(2)盐酸去氧肾上腺素速释层
将盐酸去氧肾上腺素、乳糖、微晶纤维素和交联羧甲基纤维素钠混合均匀,然后加入硬脂酸和微粉硅胶混合均匀;
(3)布洛芬-盐酸去氧肾上腺素双层片
取上述制备的布洛芬缓释层和盐酸去氧肾上腺素速释层,分别置于加料斗中,经双层压片机压制成布洛芬-盐酸去氧肾上腺素双层片。
附图说明
图1为实施例一布洛芬-盐酸去氧肾上腺素双层片在pH6.5磷酸盐缓冲液中布洛芬的释放曲线
图2为实施例一布洛芬-盐酸去氧肾上腺素双层片在pH6.5磷酸盐缓冲液中盐酸去氧肾上腺素的溶出曲线
图3为实施例二布洛芬-盐酸去氧肾上腺素双层片在pH6.5磷酸盐缓冲液中布洛芬的释放曲线
图4为实施例二布洛芬-盐酸去氧肾上腺素双层片在pH6.5磷酸盐缓冲液中盐酸去氧肾上腺素的溶出曲线
图5为实施例三布洛芬-盐酸去氧肾上腺素双层片在pH6.5磷酸盐缓冲液中布洛芬的释放曲线
图6为实施例三布洛芬-盐酸去氧肾上腺素双层片在pH6.5磷酸盐缓冲液中盐酸去氧肾上腺素的溶出曲线
图7为布洛芬-盐酸去氧肾上腺素双层片T(实施例一)和布洛芬-盐酸去氧肾上腺素速释制剂R在Beagle犬内的布洛芬药-时曲线
图8为布洛芬-盐酸去氧肾上腺素双层片T(实施例一)和布洛芬-盐酸去氧肾上腺素速释制剂R在Beagle犬内的盐酸去氧肾上腺素药-时曲线
具体实施方式
实施例一 布洛芬-盐酸去氧肾上腺素双层片的制备(1000片量)
制备步骤为:
布洛芬缓释层:将布洛芬、乳糖和HPMC K100LV充分混合均匀,加入适量30%乙醇制备软材,20目筛湿整粒,50℃干燥,18目筛干整粒,加入处方量硬脂酸和微粉硅胶混合均匀,得到布洛芬缓释层颗粒;
盐酸去氧肾上腺素速释层:将盐酸去氧肾上腺素、乳糖、微晶纤维素和交联羧甲基纤维充分混合均匀,加入处方量的硬脂酸和微粉硅胶混合均匀,得到盐酸去氧肾上腺素速释层粉末;
将布洛芬缓释层颗粒和盐酸去氧肾上腺素速释层粉末分别置于加料斗中,双层压片机压制成布洛芬-盐酸去氧肾上腺素双层片。
实施例二 布洛芬-去氧肾上腺素双层片的制备(1000片量)
制备步骤为:
布洛芬缓释层:将布洛芬、乳糖和HPC-L充分混合均匀,加入适量30%乙醇制备软材,20目筛湿整粒,50℃干燥,18目筛干整粒,加入处方量硬脂酸和微粉硅胶混合均匀,得到布洛芬缓释层颗粒;
盐酸去氧肾上腺素速释层:将盐酸去氧肾上腺素、乳糖、微晶纤维素和交联聚维酮充分混合均匀,加入处方量的硬脂酸和微粉硅胶混合均匀,得到盐酸去氧肾上腺素速释层粉末;
将布洛芬缓释层颗粒和盐酸去氧肾上腺素速释层粉末分别置于加料斗中,经双层压片机压制成布洛芬-盐酸去氧肾上腺素双层片。
实施例三 布洛芬-去氧肾上腺素双层片的制备(1000片量)
制备步骤为:
布洛芬缓释层:将布洛芬、乳糖和海藻酸钠充分混合均匀,加入适量30%乙醇制备软材,20目筛湿整粒,50℃干燥,18目筛干整粒,加入处方量硬脂酸和微粉硅胶混合均匀,得到布洛芬缓释层颗粒;
盐酸去氧肾上腺素速释层:将盐酸去氧肾上腺素、乳糖、微晶纤维素与干淀粉充分混合均匀,加入处方量的硬脂酸和微粉硅胶混合成速释层粉末。
盐酸去氧肾上腺素速释层:将盐酸去氧肾上腺素、乳糖、微晶纤维素和干淀粉充分混合均匀,加入处方量的硬脂酸和微粉硅胶混合均匀,得到盐酸去氧肾上腺素速释层粉末;
将布洛芬缓释层颗粒和盐酸去氧肾上腺素速释层粉末分别置于加料斗中,经双层压片机压制成布洛芬-盐酸去氧肾上腺素双层片。
布洛芬-盐酸去氧肾上腺素双层片体外释放曲线的测定采用2015版中国药典四部通则0931溶出度与释放度测定法第一法,转速100rpm,溶出介质为体积900mL的pH6.5磷酸盐缓冲液,温度37±0.5℃。按照实施例一、二、三制备的布洛芬-盐酸去氧肾上腺素双层片中布洛芬的释放曲线分别见图1、图3、图5;盐酸去氧肾上腺素的溶出曲线分别见图2、图4、图6;由图中可以看出,布洛芬具有良好的缓释效果,盐酸去氧肾上腺素迅速溶出。
布洛芬-盐酸去氧肾上腺素双层片的体内药动学研究:
为了比较布洛芬-盐酸去氧肾上腺素双层片与布洛芬-盐酸去氧肾上腺素速释制剂在体内的差异,对自制布洛芬-盐酸去氧肾上腺素双层片(受试制剂,实施例一)和速释制剂(参比制剂)在Beagle犬体内的药代动力学进行了研究。采用双周期双交叉试验,以6只Beagle犬为受试对象,分别于当日清晨空腹给予相同剂量的受试制剂和参比制剂,于15min、30min、45min、1h、2h、3h、4h、5h、6h、8h、10h、12h、24h、36h和48h在前肢静脉丛采血适量,采用高效液相色谱法,测定血浆中布洛芬的浓度,体内药-时曲线见图7,采用高效液相色谱/质谱法,测定血浆中去氧肾上腺素的浓度,体内药-时曲线见图8。
结果表明自制双层片和速释制剂的主要药动学参数,布洛芬:Tmax分别是3.83±0.59h和1.71±0.54h,Cmax分别为31.96±14.21μg/ml和68.96±11.26μg/ml,两者AUC无明显差异;盐酸去氧肾上腺素:Tmax分别为3.00±0.63h和3.00±1.14h,Cmax分别为42.17±11.85ng/ml和44.68±3.15ng/ml,两者AUC无明显差异。
因此,受试制剂与参比制剂相比,受试制剂与参比制剂中盐酸去氧肾上腺素药动学参数无明显差异;受试制剂中布洛芬Tmax明显延长,Cmax明显降低,具有良好的缓释效果,达到了剂型发明设计的要求。
Claims (6)
1.一种含有布洛芬和盐酸去氧肾上腺素的双层药用组合物,其特征在于,是由布洛芬缓释层和盐酸去氧肾上腺素速释层组成的双层片。
2.根据权利要求1所述的双层药用组合物,其特征在于,布洛芬缓释层包含活性成分布洛芬100mg-500mg,缓释材料、填充剂、润滑剂及其他药用辅料中的一种或几种,可以实现布洛芬的缓慢释放;盐酸去氧肾上腺素层包含活性成分盐酸去氧肾上腺素5mg-30mg,填充剂、崩解剂、润滑剂及其他药用辅料中的一种或几种,可以实现盐酸去氧肾上腺素的快速释放。
3.根据权利要求1所述的双层药用组合物,其特征在于,布洛芬缓释层中缓释材料用量为5%-50%,所述缓释材料选自羟丙甲纤维素、羟丙基纤维素、海藻酸钠、卡波姆、乙基纤维素、聚乙烯醇、聚乙烯吡咯烷酮、聚醋酸乙烯酯中的一种或几种;填充剂用量为5%-50%,所述填充剂选自乳糖、微晶纤维素、淀粉、预胶化淀粉、甘露醇中的一种或几种;润滑剂用量为0%~10%,所述润滑剂选自硬脂酸、微粉硅胶、滑石粉、聚乙二醇类、十二烷基硫酸钠中的一种或几种;粘合剂用量为0%-50%,所述粘合剂选自羟丙甲纤维素、聚乙烯吡咯烷酮、羟丙基纤维素、淀粉中的一种或几种。
4.根据权利要求1所述的双层药用组合物,其特征在于,盐酸去氧肾上腺素速释层中填充剂用量为30%-95%,所述填充剂为乳糖、微晶纤维素、淀粉、预胶化淀粉、甘露醇中的一种或几种;崩解剂用量为0%~30%,所述崩解剂选自干淀粉、低取代羟丙基纤维素、交联聚维酮、交联羧甲基纤维素钠、羧甲基淀粉钠中的一种或几种;润滑剂用量为0%~10%,所述润滑剂选自硬脂酸镁、硬脂酸、微粉硅胶、滑石粉、聚乙二醇类、十二烷基硫酸钠中的一种或几种;粘合剂用量为0%-50%,所述粘合剂选自羟丙甲纤维素、聚乙烯吡咯烷酮、羟丙基纤维素、淀粉中的一种或几种。
5.根据权利要求1所述的双层药用组合物,其特征在于,布洛芬缓释层和盐酸去氧肾上腺素速释层中粘合剂的加入方式选自水溶液、醇溶液、醇水混合溶液或粉末形式中的一种或几种。
6.根据权利要求1所述的双层药用组合物,其特征在于,将布洛芬和盐酸去氧肾上腺素分别采用粉末直接混合、湿法制粒、干法制粒或其它药学上可接受的粉末或颗粒制备方法制备成颗粒或粉末,然后再压制成双层片。
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