甲状腺片制备工艺研究
2017-03-01刘春生黄仲义汤晓枢
刘春生+黄仲义+汤晓枢



摘 要 目的:优化改进甲状腺片的生产工艺。方法:采用冻干脱水法制备甲状腺原料、沸腾制粒法制备甲状腺片。结果:改进的冻干脱水法及沸腾制粒工艺,大大改善了甲状腺片中主要成分碘塞罗宁(T3)、左甲状腺素(T4)的含量均匀度,制得的甲状腺片符合2015版中国药典规定。结论:改进的甲状腺片工艺稳定可靠,易于工业化生产。
关键词 甲状腺片 碘塞罗宁 左甲状腺素 含量均匀度
中图分类号:R282.74; R944.4 文献标识码:A 文章编号:1006-1533(2017)01-0076-04
Study on the processes for the preparation of thyroid tablets
LIU Chunshen1, HUANG Zhongyi 2*, TANG Xiaoshu 1(1. Shanghai Greatwall Pharmaceutical CO. LTD., Shanghai 201707, China; 2. Shanghai Jingan Central Hospital, Shanghai 200040, China)
ABSTRACT Objective: To improve and optimize the processes for the production of thyroid tablets. Methods: Thyroid raw material was prepared by freeze-drying and thyroid tablets were granulated by boiling granulation. Results: The uniformity of liothyronine (T3) and levothyroxine (T4) in the thyroid tablets was greatly improved by the improved processes and the prepared thyroid tablets were confirmed by the provisions of Chinese pharmacopoeia 2015. Conclusion: The improved processes for the production of thyroid tablet are stable and reliable and can be easily applied to the industrial production.
KEY WORDS thyroid tablets; liothyronine; levothyroxine; uniformity of dosage units
甲状腺片(thyroid tablets)系取自猪、牛、羊等食用动物的甲状腺体制成,其主要有效成分为左甲状腺素(levothyroxine,T4)和碘塞罗宁(liothyronine,T3)两种甲状腺激素。甲状腺片在国外使用已超过100年[1],1892年,人类已经使用动物甲状腺提取物用于治疗甲减,取得了非常良好的效果,制剂即为甲状腺片,并被收载于美国药典。国外的甲状腺片一般简称为NDT(natural desiccated thyroid)或DTE(desiccated thyroid extract),具有促进分解代谢(升热作用)和合成代谢的作用,对人体正常代谢及生长发育有重要影响,主要用于各种原因引起的甲状腺功能减退症、黏液性水肿、甲状腺癌及甲状腺抑制症的治疗。
原有中国药典标准以甲状腺片中化合物碘的含量作为质控指标,含量限度范围较大,生物效价不稳定。多篇文献报道了甲状腺片在国内临床的使用情况,在肯定甲状腺片的临床疗效的同时,也指出了甲状腺片生物效价缺乏稳定性而造成的疗效差异大[2-6]。有文献更是呼吁须提高甲状腺片质量标准,以解决该问题[7]。1985年,美国药典对于甲状腺片标准进行了修改,改为以甲状腺片的药效成分T3、T4作为质控指标,这样可保证甲状腺片的稳定性及临床有效性。……
