CN107550866A - 一种替比夫定制剂 - Google Patents
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Abstract
本发明公开了一种替比夫定制剂,其特征在于,该制剂处方质量百分比为:替比夫定72.3%,填充剂1.2%‑3.6%,崩解剂2.4%‑3.6%,稳定剂7.2%‑9.6%,粘合剂10.8%‑12.0%,矫味剂1%‑1.2%。本发明研究了替比夫定颗粒及其制备方法,克服了该药片剂大剂量吞咽的困难,同时也克服了口服溶液携带不方便的问题,也提高了制剂的安全性,药物稳定性,此工艺简单易行,适合工业化生产。
Description
技术领域
本发明属于药物制剂领域,具体涉及一种替比夫定制剂。
背景技术
乙肝是乙型肝炎病毒感染引起的常见传染病,慢性乙肝是乙肝病毒侵入机体后的免疫功能被激活但处于低下或者耐受状态对已感染病毒的肝细胞反复攻击但是又不能完全清除之导致肝组织慢性炎症反复发作。慢性肝炎限定为病程至少为6个月,病情无改善的持续或复发性肝炎。慢性肝炎有众多的病因,我国当前主要是慢性乙型肝炎。我国不仅慢性肝炎的极大多数由乙型肝炎病毒引起,大多数其他慢性肝病,包括肝硬化或肝细胞癌,也由慢性乙肝病毒感染进展而来。目前国内外已批准用于抗HBV治疗的核苷类似物包括拉米夫定(LAM)和恩替卡韦(ETV),以及核苷酸类似物阿德福韦酯(ADV)。现有的核苷类似物能在短期内能有效抑制病毒复制,服用方便而且副作用少;但治疗时间一长,病毒和宿主之间的复杂而动态的关系决定了耐药发生的必然性。所以研发一种快速有效的抗病毒药物,尽量降低耐药发生的几率,是目前抗乙肝研究中主要目标。替比夫定是一种新型的核苷类似物,由瑞士诺华公司于2007年引入中国,目前正在进行III期临床研究。替比夫定在抗病毒及临床疗效还有毒性方面明显优于拉米夫定。
现有替比夫定制剂缺陷:1、片剂的剂量大,不利于吞服,2、口服液的包装大、易碎,不利于携带。
发明内容
本发明旨在提供一种药物稳定性好、便于携带和吞服的替比夫定制剂。
为实现上述发明目的,本发明一种替比夫定制剂,技术方案为:
本发明所述一种替比夫定制剂,其特征在于,该制剂处方质量百分比为:替比夫定72.3%,填充剂1.2%-3.6%,崩解剂2.4%-3.6%,稳定剂7.2%-9.6%,粘合剂10.8%-12.0%,矫味剂1%-1.2%。
具体地,该制剂处方质量百分比为:替比夫定72.3%,填充剂3.6%,崩解剂3.6%,稳定剂7.2%,粘合剂12%,矫味剂1.2%。
本发明所述一种替比夫定制剂,该制剂为口服制剂,包括颗粒剂、胶囊剂、片剂。
本发明所述一种替比夫定制剂,该口服制剂所述填充剂为蔗糖、淀粉、微晶纤维素、木糖醇中的一种或多种;所述崩解剂为低取代羟丙基纤维素、交联纤维素钠、羧甲基纤维素钠、交联聚乙烯吡咯烷酮中的一种或多种;所述稳定剂为枸橼酸、枸橼酸钠、焦亚硫酸钠、亚硫酸氢钠、维生素C中的一种或多种;所述粘合剂为聚乙烯吡咯烷酮、PVPK30、羟丙甲基纤维素、淀粉浆中的一种或多种;所述矫味剂为纽甜、阿斯巴甜、安赛蜜、糖精、柠檬香精、橙子香精、草莓香精、巧克力香精中的一种或多种。
进一步地,该口服颗粒剂处方质量百分比计为:替比夫定72.3%,蔗糖3.6%,低取代羟丙基纤维素3.6%,枸橼酸钠4.8%,枸橼酸2.5%,聚乙烯吡咯烷酮12%,纽甜0.6%,柠檬香精0.6%。
本发明所述口服制剂颗粒剂制备方法为:
1)取替比夫定过120目筛,蔗糖、低取代羟丙基纤维素、枸橼酸钠、枸橼酸、聚乙烯吡咯烷酮、纽甜、柠檬香精分别过60目筛,备用;
2)将聚乙烯吡咯烷酮溶于纯化水中配制成15%的水溶液,备用;
3)称取处方量的已过筛的替比夫定、蔗糖、低取代羟丙基纤维素、枸橼酸钠、枸橼酸、纽甜一起投入到流化床中干混、预热至物料温度达50℃开始喷入粘合剂溶液进行制粒;
4)制粒完成后进行干燥,控制物料温度不高于60℃沸腾干燥,将干颗粒用10目和80目筛进行筛分整粒,并与与处方量的已过筛的柠檬香精一起投入到混合机中混合均匀,取样检验,合格后进行分装、包装,即得成品。
本发明处方及工艺优点分析:
1、工艺简单,易操作,生产周期短,生产效率高,适合工业化生产。
2、辅料为常用辅料,价格低廉,易获取。
3、质量稳定,疗效好。
4、便于携带和服用。
具体实施方式
下面实施例只为进一步说明本发明,不以任何形式限制本发明范围。
替比夫定的处方如下制片1000片:
实施例1
实施例2
实施例3
实施例4
实施例5
实施例1-5制备工艺:取替比夫定过120目筛,蔗糖、低取代羟丙基纤维素、枸橼酸钠、枸橼酸、聚乙烯吡咯烷酮、纽甜、柠檬香精分别过60目筛,备用。将聚乙烯吡咯烷酮溶于纯化水中配制成15%的水溶液,备用。称取处方量的已过筛的替比夫定、蔗糖、低取代羟丙基纤维素、枸橼酸钠、枸橼酸、纽甜一起投入到流化床中干混、预热至物料温度达50℃开始喷入粘合剂溶液进行制粒。制粒完成后进行干燥,控制物料温度不高于60℃沸腾干燥。将干颗粒用10目和80目筛进行筛分整粒,并与与处方量的已过筛的柠檬香精一起投入到混合机中混合均匀,取样检验,合格后进行分装、包装,即得成品。
1、本发明实施例1-5质量控制数据
2、本发明最佳实施例稳定性试验数据。
加速试验数据(以最佳处方制备考察稳定性)
。
Claims (7)
1.一种替比夫定制剂,其特征在于,该制剂处方质量百分比为:替比夫定72.3%,填充剂1.2%-3.6%,崩解剂2.4%-3.6%,稳定剂7.2%-9.6%,粘合剂10.8%-12.0%,矫味剂1%-1.2%。
2.根据权利要求1所述一种替比夫定制剂,其特征在于,该制剂处方质量百分比为:替比夫定72.3%,填充剂3.6%,崩解剂3.6%,稳定剂7.2%,粘合剂12%,矫味剂1.2%。
3.根据权利要求1-2任一项所述一种替比夫定制剂,其特征在于,该制剂为口服制剂。
4.根据权利要求3所述一种替比夫定制剂,其特征在于,该制剂口服制剂为颗粒剂、胶囊剂、片剂。
5.根据权利要求4所述一种替比夫定制剂,其特征在于,该口服制剂所述填充剂为蔗糖、淀粉、微晶纤维素、木糖醇中的一种或多种;所述崩解剂为低取代羟丙基纤维素、交联纤维素钠、羧甲基纤维素钠、交联聚乙烯吡咯烷酮中的一种或多种;所述稳定剂为枸橼酸、枸橼酸钠、焦亚硫酸钠、亚硫酸氢钠、维生素C中的一种或多种;所述粘合剂为聚乙烯吡咯烷酮、PVPK30、羟丙甲基纤维素、淀粉浆中的一种或多种;所述矫味剂为纽甜、阿斯巴甜、安赛蜜、糖精、柠檬香精、橙子香精、草莓香精、巧克力香精中的一种或多种。
6.根据权利要求4所述一种替比夫定制剂,其特征在于,该口服颗粒剂处方质量百分比计为:替比夫定72.3%,蔗糖3.6%,低取代羟丙基纤维素3.6%,枸橼酸钠4.8%,枸橼酸2.5%,聚乙烯吡咯烷酮12%,纽甜0.6%,柠檬香精0.6%。
7.根据权利要求6所述一种替比夫定制剂,其特征在于,该口服制剂颗粒剂制备方法为:
1)取替比夫定过120目筛,蔗糖、低取代羟丙基纤维素、枸橼酸钠、枸橼酸、聚乙烯吡咯烷酮、纽甜、柠檬香精分别过60目筛,备用;
2)将聚乙烯吡咯烷酮溶于纯化水中配制成15%的水溶液,备用;
3)称取处方量的已过筛的替比夫定、蔗糖、低取代羟丙基纤维素、枸橼酸钠、枸橼酸、纽甜一起投入到流化床中干混、预热至物料温度达50℃开始喷入粘合剂溶液进行制粒;
4)制粒完成后进行干燥,控制物料温度不高于60℃沸腾干燥,将干颗粒用10目和80目筛进行筛分整粒,并与与处方量的已过筛的柠檬香精一起投入到混合机中混合均匀,取样检验,合格后进行分装、包装,即得成品。
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