OSELTAMIVIR PHOSHATE GRANULE AND PREPARATION METHOD THEREOF
    21.
    发明申请
    OSELTAMIVIR PHOSHATE GRANULE AND PREPARATION METHOD THEREOF 有权
    OSELTAMIVIR PHOSHATE GRANULE及其制备方法

    公开(公告)号:US20090176877A1

    公开(公告)日:2009-07-09

    申请号:US12225935

    申请日:2006-08-11

    IPC分类号: A61K31/215

    摘要: The present invention relates to an oseltamivir phosphate granule and preparation method thereof. The said granule comprises 1.97-19.8 wt. % oseltamivir phosphate, 75.0-97.5 wt. % diluent, 0.1-5.0 wt. % binder, optionally 1.0-5.0 wt. % edible flavouring essence, sweetener and/or edible pigment. It is prepared by using 30-55 v/v % aqueous ethanol solution as moistening agent. The granules prepared by the formulation and method according to the present invention have good uniformity and stability and are water-soluble. The administration dosage of the granules can be conveniently selected based on the age and body weight of patients. The oseltamivir phosphate granule is suitable for administering to old people, children and flu gravis patients and those patients that swallow inconveniently or difficulty. The preparation of the granule is simple and low in production cost.

    摘要翻译: 本发明涉及磷酸奥司他韦颗粒及其制备方法。 所述颗粒包含1.97-19.8wt。 磷酸奥司他韦,75.0-97.5wt。 %稀释剂,0.1-5.0wt。 %粘合剂,任选地1.0-5.0wt。 %可食用香精,甜味剂和/或食用色素。 通过使用30-55v / v%乙醇水溶液作为润湿剂制备。 通过本发明的制剂和方法制备的颗粒具有良好的均匀性和稳定性,并且是水溶性的。 可以根据患者的年龄和体重方便地选择颗粒的给药剂量。 奥司他韦磷酸盐颗粒适用于老年人,儿童和流感重症患者以及吞咽困难或困难的患者。 颗粒的制备简单,生产成本低。