The present invention provides coated granules using drug granules containing a water soluble drug as an active ingredient at a high density, which is superior in uniform content and stability, and which is capable of providing a pharmaceutical preparation superior in drug release control and having a smaller size than conventional preparations, and a production method of the granules, and further, a pharmaceutical preparation using the drug granules.
本发明提供了使用含有
水溶性药物作为有效成分的高密度药物颗粒的包衣颗粒剂,该颗粒剂在含量均匀性和稳定性方面更胜一筹,并且能够提供在药物释放控制方面更胜一筹且尺寸小于传统制剂的药物制剂,以及该颗粒剂的生产方法,并进一步提供了使用该药物颗粒剂的药物制剂。