Methods for preparing polymeric buffer formulations for electrotransport applications
申请人:Rauser David
公开号:US20050129655A1
公开(公告)日:2005-06-16
The present invention provides methods for preparing compositions for use in electrotransport delivery systems that comprise providing a drug solution comprising drug ions and associated counterions; adjusting the pH of the drug solution by contacting the drug solution with a first ion exchange material; separating the first ion exchange material from the pH-adjusted drug solution; adding the pH-adjusted drug solution to a reservoir of an electrotransport delivery system; and contacting the pH-adjusted drug solution with a second ion exchange material.
本发明提供了制备用于电传输递送系统的组合物的方法,包括提供包含药物离子和相关反离子的药物溶液;通过将药物溶液与第一种离子交换材料接触来调节药物溶液的 pH 值;将第一种离子交换材料与 pH 值调整后的药物溶液分离;将 pH 值调整后的药物溶液加入电传输递送系统的储液器;以及将 pH 值调整后的药物溶液与第二种离子交换材料接触。