CN111388657A - 一种包含比伐芦定的药物组合物及其制备方法 - Google Patents
一种包含比伐芦定的药物组合物及其制备方法 Download PDFInfo
- Publication number
- CN111388657A CN111388657A CN202010000674.7A CN202010000674A CN111388657A CN 111388657 A CN111388657 A CN 111388657A CN 202010000674 A CN202010000674 A CN 202010000674A CN 111388657 A CN111388657 A CN 111388657A
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- Prior art keywords
- pharmaceutical composition
- bivalirudin
- acid
- composition according
- arginine
- Prior art date
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- Granted
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Abstract
本发明涉及一种包含比伐芦定的药物组合物及其制备方法。具体而言,该药物组合物包含比伐芦定和赋形剂,所述赋形剂包含氨基酸。该组合物具备良好的流动性,稳定性优异,可以更好地应用于临床。
Description
技术领域
本发明属于药物制剂领域,具体涉及一种包含比伐芦定的药物组合物及其制备方法。
背景技术
比伐芦定(Bivalirudin)源于水蛭素衍生物,是一种由20个氨基酸组成的合成短肽,是特异的、可逆的、直接凝血酶抑制剂,通过特异性结合于凝血酶催化位点的阴离子结合部位直接抑制凝血酶活性。其作用可逆而短暂。早期的临床研究显示:比伐芦定抗凝治疗效果确切,且出血事件的发生率较低,和传统的肝素抗凝治疗相比使用更为安全。
比伐芦定主要以冻干制剂的形式应用于临床。由于比伐芦定原料药对热敏感,对酸碱敏感,制备过程中极不稳定,因此在料液的配制和产品的干燥过程中要严格控制制备条件。US7582727、US7985733记载了比伐芦定干燥前溶液的配制方法,并且冻干为优选的除去溶剂的方法,因其在整个制剂制备的过程中避免了高温。US7803762记载了降解杂质A(Asp9-比伐芦定)和其他一些主要杂质的产生机理,其主要通过水解的方式产生。
发明内容
本发明的目的在于提供一种包含比伐芦定的药物组合物,该组合物稳定性优异。
本发明一方面提供了一种固体形式的比伐芦定药物组合物,其包含比伐芦定和赋形剂,所述赋形剂包含氨基酸。
所述的氨基酸是含有至少一个羧酸基团[-C(=O)OH]和至少一个伯氨基或仲氨基[-NH2或-RNH,其中-R是除了-H以外的基团],但不含仲酰胺基[-C(=O)-NH-]的氨基酸。例如,可以是丙氨酸、4-氨基丁酸、3-氨基戊酸、5-氨基戊酸、6-氨基己酸、8-氨基辛酸、精氨酸、天冬氨酸、天冬酰胺、半胱氨酸、谷氨酸、谷氨酰胺、甘氨酸、组氨酸、异亮氨酸、亮氨酸、赖氨酸、蛋氨酸、甲基赖氨酸、鸟氨酸、苯丙氨酸、脯氨酸、丝氨酸、苏氨酸、色氨酸、酪氨酸和缬氨酸。
在某些实施方式中,所述的氨基酸为碱性氨基酸,优选精氨酸、赖氨酸和组氨酸,更优选精氨酸。
在某些实施方式中,所述氨基酸用于阻止水解杂质的生成。
本发明另一方面提供了一种比伐芦定药物组合物,其包含比伐芦定和赋形剂,其中所述的赋形剂选自氨基酸,糖类,高分子聚合糖,环糊精,无机盐中的的一种或多种,优选精氨酸、组氨酸、赖氨酸、甘氨酸、蔗糖、葡萄糖、乳糖、海藻糖、麦芽糖、肌醇、羟乙基淀粉、PEG、右旋糖酐、磺丁基-β-环糊精、氯化钠,更优选肌醇、蔗糖、葡萄糖、组氨酸、赖氨酸和精氨酸中的一种或多种,最优选蔗糖、葡萄糖、组氨酸、赖氨酸或精氨酸,其特征在于,所述药物组合物通过喷雾干燥制备得到。
比伐芦定与赋形剂的重量比可以是1:0.1~1:20,优选1:0.1~1:15,更优选1:0.5~1:10。
所述比伐芦定的含量可以是基于组合物总重量计的1%-90%。
所述赋形剂的含量可以是基于组合物总重量计的0.5%-70%。
在某些实施方式中,所述的药物组合物还可包含pH调节剂。所述pH调节剂包括但不限于氢氧化钠、盐酸等。
在某些实施方式中,所述的药物组合物重构或复溶为水或生理盐水的pH值为4.0-7.0,优选4.5-6.5。
在某些实施方式中,所述的药物组合物为固体形式,优选粉末,更优选无菌粉末。
术语“喷雾干燥”是指采用高速气流将液体混合物打断形成小液滴(雾化),以及在喷雾干燥室内(或设备内)混合物快速去除溶剂的过程。
所述喷雾干燥可以采用常规的喷雾干燥工艺,在喷雾干燥器中进行,喷雾干燥器为常规设备。喷雾干燥的工艺参数根据喷雾干燥器的不同而变化,总体采用常规的喷雾干燥参数(进风温度、出风温度、蠕动泵流速、风量等等)。例如,进风温度可以是约100-150℃。出风温度可以是约50-90℃。蠕动泵流速可以是约1-5mL/min。风量可以是约0.1-1.5m3/min。料液经雾化后,再与热空气或氮气等气体接触,溶剂迅速汽化,即得到干燥产品。
所述的溶剂为常规溶剂,优选水。
可采用现有技术中公开的方法制备喷雾干燥前组合物,例如,可采用US7582727、US7985733记载的比伐芦定干燥前溶液的配制方法。
在某些实施方式中,本发明所述的药物组合物中水解杂质的含量小于2%,可以小于1.9、1.8、1.7、1.6、1.5、1.4、1.3、1.2、1.1、1.0、0.9、0.8、0.7、0.6、0.5、0.4、0.3、0.2%或更低。
在某些实施方式中,本发明所述的药物组合物于40℃,75%RH的条件下放置一个月,其中比伐芦定的含量减小值小于0.7%,可以为0.69、0.68、0.67、0.66、0.65、0.64、0.63、0.62、0.61、0.6、0.59、0.58、0.57、0.56、0.55、0.54、0.53、0.52、0.51、0.5%或更低。
在某些实施方式中,本发明所述的药物组合物于40℃,75%RH的条件下放置一个月,其中杂质A的含量小于0.7%,可以为0.69、0.68、0.67、0.66、0.65、0.64、0.63、0.62、0.61、0.6、0.59、0.58、0.57、0.56、0.55、0.54、0.53、0.52、0.51、0.5%或更低。
本发明还提供一种防止比伐卢定药物组合物中水解杂质的生成的方法,包括制备本发明所述的比伐卢定药物组合物。
在某些实施方式中,所述的药物组合物中水解杂质的含量小于2%,可以小于1.9、1.8、1.7、1.6、1.5、1.4、1.3、1.2、1.1、1.0、0.9、0.8、0.7、0.6、0.5、0.4、0.3、0.2%或更低。
本发明还提供一种组合物,其通过重建或复溶本发明所述的比伐芦定药物组合物得到。
本发明还提供一种制备本发明的药物组合物的方法,所述方法包括将包含比伐芦定、赋形剂以及任选的pH调节剂的液体形式的组合物进行喷雾干燥的步骤。
本发明还提供了一种粉-液多室输液袋产品,包括至少一个粉体腔室和至少一个液体腔室,其中粉体腔室包含本发明所述的比伐芦定药物组合物,液体腔室包含一种或多种药学上可接受的载体、稀释剂或赋形剂。
其中,所述粉体腔室和所述液体腔室通过若干条弱焊分隔条隔离。所述弱焊分隔条通过施压即可打开,使所述粉体腔室和液体腔室联通。
在某些实施方式中,所述的粉-液多室输液袋产品包括一个粉体腔室和一个液体腔室。所述粉体腔室和所述液体腔室通过若干条(例如一条、两条或三条)弱焊分隔条隔离。
在某些实施方式中,所述液体腔室包含一种或多种药学上可接受的载体、稀释剂或赋形剂,例如可以是葡萄糖水溶液、氯化钠水溶液等等与人体等渗的可用于注射的溶液。
在某些实施方式中,所述的比伐芦定药物组合物与液体腔室中的载体、稀释剂或赋形剂的重量比可以是0.02:1-0.5:1。
本发明采用氨基酸,糖类,高分子聚合糖,环糊精,无机盐等赋形剂,通过喷雾干燥等方法制备比伐芦定组合物,最终得到的药物组合物具有良好的流动性和溶解度,以及出人意料的低杂质含量。并且,经过长时间的放置,组合物的稳定性能够得到良好的保持。本发明所述的比伐芦定组合物非常适合用于制备粉-液多室输液袋产品。
具体实施方式
实施例1
称取6.8g甘露醇,加入到43.1g纯化水中,搅拌溶解。称取0.68g比伐芦定,加入到上述溶液中,搅拌溶解。将0.5M氢氧化钠溶液缓慢滴加至上述溶液,边加边充分搅拌,将pH调节至4.5。通过喷雾干燥制备得到最终粉末制剂1。
实施例2
采用实施例1的方法,将甘露醇替换为下表中的赋形剂,制备最终粉末。
实施例3
称取6.8g精氨酸,加入43.1g纯化水中,搅拌溶解。用1M盐酸溶液调节pH至约6.0。称取0.68g比伐芦定,加入到上述溶液中,搅拌溶解。将0.5M氢氧化钠溶液缓慢滴加至上述溶液,边加边充分搅拌,将pH调节至4.5。通过喷雾干燥制备得到最终粉末制剂13。
实施例4
称取2.5g精氨酸,加入28.0g纯化水中,搅拌溶解。用1M盐酸溶液调节pH至约6.0。称取2.5g比伐芦定,加入上述溶液中,搅拌溶解。将0.5M氢氧化钠溶液缓慢滴加至上述溶液,边加边充分搅拌,将pH调节至4.5。通过喷雾干燥制备得到最终粉末制剂14。
实施例5
称取6.8g甘露醇,加入到43.1g纯化水中,搅拌溶解。称取0.68g比伐芦定,加入到上述溶液中,搅拌溶解。将0.5M氢氧化钠溶液缓慢滴加至上述溶液,边加边充分搅拌,将pH调节至4.5。通过冷冻干燥制备得到最终粉末制剂15。
实施例6
将实施例1-5制备得到的粉末制剂样品干燥后充氮气包装。在加速条件下(40℃,75%RH)放置1个月,检测样品的活性物质及杂质含量。检测方法:通过高效液相色谱系统检测,色谱柱为Agilent Eclips Plus 4.6*150mm,3.5μm,流动相A为0.01mol/L的磷酸二氢钾溶液,流动相B为乙腈,检测波长:215nm。检测结果见下表。
在加速条件下放置1个月后,各制剂的活性物质的纯度均下降较少,其中赋形剂为肌醇、蔗糖、葡萄糖和精氨酸的喷雾干燥制剂纯度变化较小(<0.5%),尤其是精氨酸组纯度变化最小(<0.1%),并且杂质A的含量很低,稳定性良好。
实施例7
根据国家标准GB11986-89关于《表面活性剂粉体和颗粒休止角的测量》的规定(粉体和颗粒的休止角均可参照此规定测量),搭建休止角测试装置。两次平行测试,测得制剂11的比伐芦定-蔗糖喷雾干燥粉末的休止角分别为:41.7°和42.7°;而制剂13的比伐芦定-精氨酸喷雾干燥粉末的休止角分别为:40.8°和41.1°,流动性良好。
Claims (16)
1.一种比伐芦定药物组合物,其包含比伐芦定和赋形剂,所述赋形剂包含氨基酸。
2.根据权利要求1所述的药物组合物,其特征在于,所述的氨基酸是含有至少一个羧酸基团和至少一个伯氨基或仲氨基,但不含仲酰胺基的氨基酸,优选丙氨酸、4-氨基丁酸、3-氨基戊酸、5-氨基戊酸、6-氨基己酸、8-氨基辛酸、精氨酸、天冬氨酸、天冬酰胺、半胱氨酸、谷氨酸、谷氨酰胺、甘氨酸、组氨酸、异亮氨酸、亮氨酸、赖氨酸、蛋氨酸、甲基赖氨酸、鸟氨酸、苯丙氨酸、脯氨酸、丝氨酸、苏氨酸、色氨酸、酪氨酸和缬氨酸。
3.根据权利要求1所述的药物组合物,其特征在于,所述的氨基酸为碱性氨基酸,优选精氨酸、赖氨酸和组氨酸,更优选精氨酸。
4.一种比伐芦定药物组合物,包含比伐芦定和赋形剂,其中所述的赋形剂选自氨基酸,糖类,高分子聚合糖,环糊精,无机盐中的一种或多种,优选精氨酸、组氨酸、赖氨酸、甘氨酸、蔗糖、葡萄糖、乳糖、海藻糖、麦芽糖、肌醇、羟乙基淀粉、PEG、右旋糖酐、磺丁基-β-环糊精、氯化钠,更优选肌醇、蔗糖、葡萄糖、组氨酸、赖氨酸和精氨酸中的一种或多种,最优选蔗糖、葡萄糖、组氨酸、赖氨酸或精氨酸,其特征在于,所述药物组合物通过喷雾干燥制备得到。
5.根据权利要求1-4任意一项所述的药物组合物,其特征在于,所述比伐芦定与赋形剂的重量比为1:0.1~1:20,优选1:0.1~1:15,更优选1:0.5~1:10。
6.根据权利要求1-4任意一项所述的药物组合物,其特征在于,所述比伐芦定的含量为基于组合物总重量计1%-90%。
7.根据权利要求1-4任意一项所述的药物组合物,其特征在于,所述赋形剂的含量为基于组合物总重量计的0.5%-70%。
8.根据权利要求1-4任意一项所述的药物组合物,其特征在于,所述的药物组合物还包含pH调节剂,优选所述pH调节剂为盐酸和/或氢氧化钠。
9.根据权利要求1-4任意一项所述的药物组合物,其特征在于,所述的药物组合物为固体形式,优选无菌粉末。
10.一种组合物,其通过重建或复溶权利要求1-9任意一项所述的比伐芦定药物组合物得到。
11.制备权利要求1-9任意一项所述的比伐芦定药物组合物的方法,包括将包含比伐芦定、赋形剂以及任选的pH调节剂的液体形式的组合物进行喷雾干燥的步骤。
12.一种粉-液多室输液袋产品,包括至少一个粉体腔室和至少一个液体腔室,其中粉体腔室包含权利要求1-9任意一项所述的比伐芦定药物组合物,液体腔室包含一种或多种药学上可接受的载体、稀释剂或赋形剂。
13.根据权利要求12所述的产品,其特征在于,所述粉体腔室和所述液体腔室通过若干条弱焊分隔条隔离。
14.根据权利要求12所述的产品,其特征在于,所述的粉-液多室输液袋产品包括一个粉体腔室和一个液体腔室。
15.根据权利要求12-14任意一项所述的产品,其特征在于,所述液体腔室包含葡萄糖水溶液或氯化钠水溶液。
16.根据权利要求12-14任意一项所述的产品,其特征在于,所述的比伐芦定药物组合物与液体腔室中的载体、稀释剂或赋形剂的重量比为0.02:1-0.5:1。
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