CN108042487A - 一种右旋酮洛芬氨丁三醇注射剂及其制备方法 - Google Patents

一种右旋酮洛芬氨丁三醇注射剂及其制备方法 Download PDF

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CN108042487A
CN108042487A CN201810076840.4A CN201810076840A CN108042487A CN 108042487 A CN108042487 A CN 108042487A CN 201810076840 A CN201810076840 A CN 201810076840A CN 108042487 A CN108042487 A CN 108042487A
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dexketoprofen trometamol
dexketoprofen
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单飞
祁艳
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Abstract

本发明提供一种右旋酮洛芬氨丁三醇注射剂及其制备方法,该注射剂应用柠檬酸和柠檬酸钠为pH调节剂,羧甲基壳聚糖和聚山梨酯80为稳定剂,有效提高了右旋酮洛芬氨丁三醇的光稳定性,同时降低了肠胃刺激性,操作简便,适合工业化大规模生产。

Description

一种右旋酮洛芬氨丁三醇注射剂及其制备方法
技术领域
本发明属于医药技术领域,具体涉及一种右旋酮洛芬氨丁三醇注射剂及其制备方法。
背景技术
右旋酮洛芬氨丁三醇是2-芳基丙酸类非甾体抗炎药(NASIDs)酮洛芬的单一光学异构体右旋酮洛芬的衍生物,具有较强的解热、镇痛、抗炎效果,较右旋酮洛芬水溶性好,活性比游离酸高,生物利用度高,对患者有更好的耐受性,利于急性锐痛的治疗,因此具有广阔的临床应用前景。临床上适用于不同病因的轻中度疼痛,如类风湿性关节炎、骨性关节炎、强直性脊柱炎、痛风性关节炎的关节痛、痛经、牙痛、术后疼痛、癌性疼痛、急性扭伤或软组织挫伤疼痛、感冒发热引起全身疼痛等各种急慢性疼痛。
目前市场上右旋酮洛芬氨丁三醇常见的剂型有可供口服的片剂、胶囊剂,但右旋酮洛芬氨丁三醇副作用较大,刺激性强,长期服用可引起胃肠道溃疡或出血症状,还可出现胃肠道疼痛等问题。非静脉给予的镇痛药物往往起效慢,生物利用度也不高,对患者的镇痛效果不明显,而静脉注射剂往往能直接达到药物作用所需浓度,起效较快。现公开的注射剂专利仍存在一些问题:专利ZL98122858.5公开了一种右旋酮洛芬注射剂,加入碳酸钠作增溶剂,但碳酸钠遇酸性溶液可产生二氧化碳,给患者血液注射带来较大危险性,并且未涉及稳定性问题;专利ZL200710113179.1公开了一种酮咯酸氨丁三醇注射液,采用丙二醇作为溶剂和增溶剂,澄明度得到改善,但有机溶剂带来用药不安全性;专利ZL201210437623.6公开了一种右旋酮洛芬注射液,采用碱性氨基酸作助溶剂,可以提高注射剂疗效,但注射液稳定性未公开;专利ZL201210115129.8公开了一种注射用右旋酮洛芬氨丁三醇温敏水凝胶,包括右旋酮洛芬氨丁三醇和药物载体,载体为壳聚糖和β-甘油磷酸钠交联形成具有温度敏感性的凝胶体系,药物兼具靶向性和缓释性,但温敏性水凝胶随温度变化体积变化较大,在血液中溶胀导致应用较难。同时右旋酮洛芬氨丁三醇见光不稳定,给临床用药带来很大的安全隐患,因此降低右旋酮洛芬氨丁三醇胃肠刺激性,提高其光稳定性成为一项重要研究内容。
发明内容
本发明提供一种右旋酮洛芬氨丁三醇注射剂及其制备方法,该注射剂提高了其光稳定性,同时降低了肠胃刺激性,操作简便,适合工业化大规模生产。
本发明的右旋酮洛芬氨丁三醇注射剂包括右旋酮洛芬氨丁三醇、羧甲基壳聚糖、聚山梨酯80、柠檬酸、柠檬酸钠、注射用水。
本发明的羧甲基壳聚糖和聚山梨酯80为稳定剂,可有效提高右旋酮洛芬氨丁三醇注射剂的光稳定性。
本发明的柠檬酸和柠檬酸钠为pH调节剂,pH值为6.5-7.5。
本发明的技术方案为:每2ml右旋酮洛芬氨丁三醇注射液中,包括右旋酮洛芬氨丁三醇50mg,右旋酮洛芬氨丁三醇与羧甲基壳聚糖、聚山梨酯80的质量比为1:0.2-0.6:0.2-0.4,pH值调节剂适量,注射用水适量。
所述右旋酮洛芬氨丁三醇注射液制备步骤:将稳定剂羧甲基壳聚糖和聚山梨酯80溶解于注射用水中,然后加入右旋酮洛芬氨丁三醇,45-60℃下搅拌30-60min,柠檬酸溶液调节pH值至6.5-7.5,经0.22μm滤膜过滤后,121℃灭菌8-12min,得到右旋酮洛芬氨丁三醇注射液。
具体实施方式
实施例1:
将稳定剂羧甲基壳聚糖和聚山梨酯80溶解于注射用水中,然后加入右旋酮洛芬氨丁三醇,45℃下搅拌60min,柠檬酸、柠檬酸钠溶液调节pH值至6.9,经0.22μm滤膜过滤后,121℃灭菌10min,得到右旋酮洛芬氨丁三醇注射液。
实施例2:
将稳定剂羧甲基壳聚糖和聚山梨酯80溶解于注射用水中,然后加入右旋酮洛芬氨丁三醇,50℃下搅拌55min,柠檬酸、柠檬酸钠溶液调节pH值至7.1,经0.22μm滤膜过滤后,121℃灭菌12min,得到右旋酮洛芬氨丁三醇注射液。
实施例3:
将稳定剂羧甲基壳聚糖和聚山梨酯80溶解于注射用水中,然后加入右旋酮洛芬氨丁三醇,60℃下搅拌50min,柠檬酸、柠檬酸钠溶液调节pH值至7.3,经0.22μm滤膜过滤后,121℃灭菌10min,得到右旋酮洛芬氨丁三醇注射液。
实施例4:
将稳定剂羧甲基壳聚糖和聚山梨酯80溶解于注射用水中,然后加入右旋酮洛芬氨丁三醇,52℃下搅拌49min,柠檬酸、柠檬酸钠溶液调节pH值至7.5,经0.22μm滤膜过滤后,121℃灭菌9min,得到右旋酮洛芬氨丁三醇注射液。
实施例5:
将稳定剂羧甲基壳聚糖和聚山梨酯80溶解于注射用水中,然后加入右旋酮洛芬氨丁三醇,48℃下搅拌54min,柠檬酸、柠檬酸钠溶液调节pH值至7.2,经0.22μm滤膜过滤后,121℃灭菌10min,得到右旋酮洛芬氨丁三醇注射液。
实施例6:各项实施例样品的质量考察实验
根据《中国药典》2010年版第二部附录XIX C稳定性试验指导原则,对各实施例样品进行稳定性实验考察。将各项实施例样品置于(40±2℃)、相对湿度75%恒温箱内,放置六个月。分别检测样品在0天、光照10天和加速6个月时杂质含量,试验结果见表1。
表1右旋酮洛芬氨丁三醇注射液试验结果
上述样品在0天、光照10天和加速6个月时杂质含量、澄明度、外观等指标均符合药典规定。

Claims (3)

1.一种右旋酮洛芬氨丁三醇注射剂,其特征在于:包括右旋酮洛芬氨丁三醇、羧甲基壳聚糖、聚山梨酯80、柠檬酸、柠檬酸钠、注射用水,其中柠檬酸和柠檬酸钠为pH调节剂,pH值为6.5-7.5;羧甲基壳聚糖和聚山梨酯80为稳定剂,可有效提高右旋酮洛芬氨丁三醇注射剂的光稳定性,右旋酮洛芬氨丁三醇与羧甲基壳聚糖、聚山梨酯80的质量比为1:0.1-0.8:0.1-0.6。
2.根据权利要求1所述的右旋酮洛芬氨丁三醇注射剂,其特征在于:每2ml右旋酮洛芬氨丁三醇注射液中,包括右旋酮洛芬氨丁三醇50mg,右旋酮洛芬氨丁三醇与羧甲基壳聚糖、聚山梨酯80的质量比为1:0.2-0.6:0.2-0.4,pH值调节剂适量,注射用水适量。
3.根据权利要求1所述的右旋酮洛芬氨丁三醇注射剂制备步骤:将稳定剂羧甲基壳聚糖和聚山梨酯80溶解于注射用水中,然后加入右旋酮洛芬氨丁三醇,45-60℃下搅拌30-60min,柠檬酸溶液调节pH值至6.5-7.5,经0.22μm滤膜过滤后,121℃灭菌8-12min,得到右旋酮洛芬氨丁三醇注射液。
CN201810076840.4A 2018-01-26 2018-01-26 一种右旋酮洛芬氨丁三醇注射剂及其制备方法 Pending CN108042487A (zh)

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CN115531303A (zh) * 2022-10-11 2022-12-30 南京正科医药股份有限公司 一种右旋酮洛芬氨丁三醇注射液
CN115607509A (zh) * 2022-10-11 2023-01-17 南京正科医药股份有限公司 一种右旋酮洛芬氨丁三醇注射液及其制备工艺

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Cited By (3)

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CN115607509A (zh) * 2022-10-11 2023-01-17 南京正科医药股份有限公司 一种右旋酮洛芬氨丁三醇注射液及其制备工艺
CN115607509B (zh) * 2022-10-11 2024-01-30 南京正科医药股份有限公司 一种右旋酮洛芬氨丁三醇注射液及其制备工艺

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