CN110638762A - 一种明胶海绵载药微粒及其制备方法 - Google Patents

一种明胶海绵载药微粒及其制备方法 Download PDF

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CN110638762A
CN110638762A CN201910857394.5A CN201910857394A CN110638762A CN 110638762 A CN110638762 A CN 110638762A CN 201910857394 A CN201910857394 A CN 201910857394A CN 110638762 A CN110638762 A CN 110638762A
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王浩然
王强
孔玉
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Abstract

本发明公开了一种明胶海绵载药微粒及其制备方法,所述明胶海绵载药颗粒中的药物为甲氨蝶呤、顺铂和表柔比星,所述明胶海绵载药微粒的制备方法为:将药物与医用灭菌用水混合制成药物溶液;将医用A型明胶海绵块粉碎得到明胶海绵粉末;将步骤一得到的药物溶液与步骤二得到的明胶海绵粉末充分搅拌混合,得到药膏;将步骤三中的药膏风干,压制成不同规格大小的明胶海绵载药微粒1500‑2500个。本发明明胶海绵载药颗粒在治疗异位妊娠时可以在减少用量的同时有效灭活异位妊娠孕囊,降低副作用;治疗肿瘤时利用明胶海绵崩解缓慢的特点让顺铂或表柔比星一直存留并释放出来,达到有效杀灭肿瘤细胞的目的。

Description

一种明胶海绵载药微粒及其制备方法
技术领域
本发明涉及医学制药领域,具体是指一种明胶海绵载药微粒及其制备方法。
背景技术
异位妊娠是指孕卵在子宫腔外着床发育的异常妊娠过程,也称“宫外孕”。异位妊娠可能会引发腹腔内出血,休克,输卵管破裂等严重后果,目前对异位妊娠最常用的治疗方法为手术治疗,保守治疗和介入治疗,但是这些治疗方法都存在很多缺点,例如保守治疗一般使用甲氨蝶呤静脉给药,治疗一般一次用量需要200mg,用量大所以导致副作用也很明显。
肿瘤介入治疗就是直接把药物作用于肿瘤部位的血管,让药物直接作用于肿瘤,由于其靶向性所以对于肿瘤的杀灭效果好,近年来,国内利用碘油乳剂载药,微球载药广泛应用与临床肿瘤治疗并取得好的临床效果。由于肿瘤细胞一次难于彻底杀灭,需要多次进行介入治疗,一个周期为20-30天,所以需要药物能够一直存留并持续释放来杀灭肿瘤细胞。
发明内容
本发明要解决的技术问题在于,提供一种明胶海绵载药微粒及其制备方法,治疗异位妊娠时可以在减少用量的同时有效灭活异位妊娠孕囊,降低副作用;治疗肿瘤时可以让药物一直存留并释放达到有效杀灭肿瘤细胞。
其采用技术方案如下:
一种明胶海绵载药微粒及其制备方法,
所述明胶海绵载药颗粒中的药物为甲氨蝶呤、顺铂和表柔比星,所述明胶海绵载药微粒的制备方法如下:
步骤一:将药物与医用灭菌用水混合制成药物溶液;
步骤二:将医用A型明胶海绵块粉碎得到明胶海绵粉末;
步骤三:将步骤一得到的药物溶液与步骤二得到的明胶海绵粉末充分搅拌混合,得到药膏;
步骤四:将步骤三中的药膏风干,压制成不同规格大小的明胶海绵载药微粒1500-2500个。
作为进一步说明的,
所述步骤一中医用灭菌用水用量为15ml,所述步骤二中医用A型明胶海绵块规格为:长60mm,宽20mm,高5mm,所述步骤四中药膏风干后湿度为20%,所述步骤四中不同规格为150-300nm和300-500nm。
作为进一步说明的,
所述甲氨蝶呤用量为50mg。
作为进一步说明的,
所述顺铂用量为40mg。
作为进一步说明的,
所述表柔比星用量为10mg。
本发明所述一种明胶海绵载药微粒及其制备方法具有以下有益效果:
1.利用介入技术超选择异位妊娠孕囊供血动脉,靶向将本发明注入异位妊娠孕囊供血动脉,能够在使用较少量甲氨蝶呤的情况下通过明胶海绵吸收崩解过程不断释放吸附的甲氨蝶呤,能够在减少甲氨蝶呤用量的同时有效灭活异位妊娠孕囊,降低甲氨蝶呤副反应。
2.本发明所述载药颗粒利用明胶海绵在组织、血管内缓慢崩解(时间为7-30天)并能被吸收的原理,通过介入超选择肿瘤供血动脉将其注入肿瘤血管内,达到在阻断肿瘤供血的同时,让表柔比星或顺铂在肿瘤内存留并持续释放达到有效杀灭肿瘤细胞的目的。
具体实施方式
下面对本发明的技术方案更为详细、完整的说明。
实施例1:
步骤一:将甲氨蝶呤与医用灭菌用水混合制成甲氨蝶呤溶液;
步骤二:将医用A型明胶海绵块粉碎得到明胶海绵粉末;
步骤三:将步骤一得到的甲氨蝶呤溶液与步骤二得到的明胶海绵粉末充分搅拌混合,得到药膏;
步骤四:将步骤三中的药膏风干,压制成不同规格大小的明胶海绵载药微粒1500-2500个。
所述步骤一中医用灭菌用水用量为15ml,所述步骤二中医用A型明胶海绵块规格为:长60mm,宽20mm,高5mm,所述步骤四中药膏风干后湿度为20%,所述步骤四中不同规格为150-300nm和300-500nm,所述甲氨蝶呤用量为50mg,所述步骤四中得到的明胶载药微粒每粒含甲氨蝶呤0.033-0.02mg。
实施例2:
步骤一:将顺铂与医用灭菌用水混合制成顺铂溶液;
步骤二:将医用A型明胶海绵块粉碎得到明胶海绵粉末;
步骤三:将步骤一得到的顺铂溶液与步骤二得到的明胶海绵粉末充分搅拌混合,得到药膏;
步骤四:将步骤三中的药膏风干,压制成不同规格大小的明胶海绵载药微粒1500-2500个。
所述步骤一中医用灭菌用水用量为15ml,所述步骤二中医用A型明胶海绵块规格为:长60mm,宽20mm,高5mm,所述步骤四中药膏风干后湿度为20%,所述步骤四中不同规格为150-300nm和300-500nm,所述顺铂用量为40mg,所述步骤四中得到的明胶载药微粒每粒含顺铂0.008-0.013mg。
实施例3:
步骤一:将表柔比星与医用灭菌用水混合制成表柔比星溶液;
步骤二:将医用A型明胶海绵块粉碎得到明胶海绵粉末;
步骤三:将步骤一得到的表柔比星溶液与步骤二得到的明胶海绵粉末充分搅拌混合,得到药膏;
步骤四:将步骤三中的药膏风干,压制成不同规格大小的明胶海绵载药微粒1500-2500个。
所述步骤一中医用灭菌用水用量为15ml,所述步骤二中医用A型明胶海绵块规格为:长60mm,宽20mm,高5mm,所述步骤四中药膏风干后湿度为20%,所述步骤四中不同规格为150-300nm和300-500nm,所述表柔比星用量为10mg,所述步骤四中得到的明胶载药微粒每粒含表柔比星0.004-0.006mg。
1.利用介入技术超选择异位妊娠孕囊供血动脉,靶向将本发明注入异位妊娠孕囊供血动脉,能够在使用较少量甲氨蝶呤的情况下通过明胶海绵吸收崩解过程不断释放吸附的甲氨蝶呤,能够在减少甲氨蝶呤用量的同时有效灭活异位妊娠孕囊,降低甲氨蝶呤副反应。
2.本发明所述载药颗粒利用明胶海绵在组织、血管内缓慢崩解(时间为7-30天)并能被吸收的原理,通过介入超选择肿瘤供血动脉将其注入肿瘤血管内,达到在阻断肿瘤供血的同时,让表柔比星或顺铂在肿瘤内存留并持续释放达到有效杀灭肿瘤细胞的目的。
以上描述了本发明的基本原理和主要特征,本行业的技术人员应该了解,本发明不受上述实施例的限制,上述实施例和说明书中描述的只是说明本发明的原理,在不脱离本发明精神和范围的前提下,本发明还会有各种变化和改进,这些变化和改进都落入要求保护的本发明范围内,发明要求保护范围由所附的权利要求书及其等效物界定。

Claims (5)

1.一种明胶海绵载药微粒及其制备方法,其特征在于,所述明胶海绵载药颗粒中的药物为甲氨蝶呤、顺铂和表柔比星,所述明胶海绵载药微粒的制备方法如下:
步骤一:将药物与医用灭菌用水混合制成药物溶液;
步骤二:将医用A型明胶海绵块粉碎得到明胶海绵粉末;
步骤三:将步骤一得到的药物溶液与步骤二得到的明胶海绵粉末充分搅拌混合,得到药膏;
步骤四:将步骤三中的药膏风干,压制成不同规格大小的明胶海绵载药微粒1500-2500个。
2.根据权利要求1所述的一种明胶海绵载药微粒及其制备方法,其特征在于,所述步骤一中医用灭菌用水用量为15ml,所述步骤二中医用A型明胶海绵块规格为:长60mm,宽20mm,高5mm,所述步骤四中药膏风干后湿度为20%,所述步骤四中不同规格为150-300nm和300-500nm。
3.根据权利要求1所述的一种明胶海绵载药微粒及其制备方法,其特征在于,所述甲氨蝶呤用量为50mg。
4.根据权利要求1所述的一种明胶海绵载药微粒及其制备方法,其特征在于,所述顺铂用量为40mg。
5.根据权利要求1所述的一种明胶海绵载药微粒及其制备方法,其特征在于,所述表柔比星用量为10mg。
CN201910857394.5A 2019-09-11 2019-09-11 一种明胶海绵载药微粒及其制备方法 Pending CN110638762A (zh)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101015504A (zh) * 2007-02-13 2007-08-15 赵传林 一种治疗子宫腺肌症的栓塞剂制作方法
CN107550879A (zh) * 2017-09-18 2018-01-09 史跃 一种明胶海绵载药微球的制备方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101015504A (zh) * 2007-02-13 2007-08-15 赵传林 一种治疗子宫腺肌症的栓塞剂制作方法
CN107550879A (zh) * 2017-09-18 2018-01-09 史跃 一种明胶海绵载药微球的制备方法

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Inventor after: Kong Yu

Inventor before: Wang Haoran

Inventor before: Wang Qiang

Inventor before: Kong Yu

RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20200103