发明名称 Controlled release hydrocodone formulations
摘要 A solid oral controlled-release oral dosage form of hydrocodone is disclosed. The dosage form comprising an analgesically effective amount of hydrocodone or a pharmaceutically acceptable salt thereof, and a sufficient amount of a controlled release material to render the dosage form suitable for twice-a-day administration to a human patient, the dosage form providing a C12/Cmax ratio of 0.55 to 0.85, said dosage form providing a therapeutic effect for at least about 12 hours.
申请公布号 US8975273(B2) 申请公布日期 2015.03.10
申请号 US201414483395 申请日期 2014.09.11
申请人 Purdue Pharma L.P. 发明人 Oshlack Benjamin;Huang Hua-Pin;Masselink John;Tonelli Alfred P.
分类号 A61K9/00;A61K9/20;A61K9/16;A61K9/28;A61K31/485 主分类号 A61K9/00
代理机构 Davidson, Davidson, & Kappel LLC 代理人 Davidson, Davidson, & Kappel LLC
主权项 1. A solid oral controlled-release dosage form, the dosage form comprising a compressed tablet comprising a plurality of multiparticulates collectively consisting essentially of from about 5 mg to about 60 mg of hydrocodone or a pharmaceutically acceptable salt thereof, hydroxypropylmethyl cellulose and ethylcellulose, each multiparticulate individually coated with a coating consisting of (i) ethylcellulose, (ii) a wax and (iii) optional plasticizer(s), said dosage form, after a first administration to a human patient, provides a C12/Cmax hydrocodone ratio of 0.55 to 0.85 and a therapeutic effect for about 12 hours.
地址 Stamford CT US