CN1857716A — 注射用盐酸万古霉素及其制备方法
Assigned to Zhejiang University ZJU · Expires 2006-11-08 · 20y expired
What this patent protects
一种注射用盐酸万古霉素,由90%~99%药物盐酸万古霉素和1%~10%的辅料组成,制剂形式为粉针剂,辅料为稳定剂和/或抗氧剂。该药物粉末的效价大于900IU/mg,用水溶解后配成50mg/mL的溶液,在465nm处的吸收度小于0.065,pH为2.0~4.0。采用冷冻干燥法制备,符合工业化生产的特点。本发明提供的注射用盐酸万古霉素的制备方法,制剂组成简单、方法实用可靠。所选取的主要辅料柠檬酸、甘氨酸、L-半胱氨酸等,均为常用药用辅料。本发明制剂常温下放置2年,药物仍保持稳定,其效价和色泽符合上述要求。
USPTO Abstract
一种注射用盐酸万古霉素,由90%~99%药物盐酸万古霉素和1%~10%的辅料组成,制剂形式为粉针剂,辅料为稳定剂和/或抗氧剂。该药物粉末的效价大于900IU/mg,用水溶解后配成50mg/mL的溶液,在465nm处的吸收度小于0.065,pH为2.0~4.0。采用冷冻干燥法制备,符合工业化生产的特点。本发明提供的注射用盐酸万古霉素的制备方法,制剂组成简单、方法实用可靠。所选取的主要辅料柠檬酸、甘氨酸、L-半胱氨酸等,均为常用药用辅料。本发明制剂常温下放置2年,药物仍保持稳定,其效价和色泽符合上述要求。
Drugs covered by this patent
- Vancocin (vancomycin) · ANI Pharmaceuticals
Bibliographic data sourced from FDA Orange Book + USPTO public records. Plain-English summary generated by AI grounded in source text. Patent term extensions (PTR, SPC, pediatric) may shift the effective expiry. Not legal advice.
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