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 |