Opioid analgesic
    4.
    发明授权
    Opioid analgesic 有权
    阿片类止痛药

    公开(公告)号:US06806294B2

    公开(公告)日:2004-10-19

    申请号:US10128632

    申请日:2002-04-23

    IPC分类号: A61K4730

    摘要: The invention is relative to a pharmaceutical preparation, especially for oral administration, with at least one active substance and with formulation components influencing the release of active substance, which preparation comprises at least one opiod analgesic as active substance that is formulated proportionally on the one hand for rapid release and on the other hand for delayed release in such a manner that the in vitro release rate from the preparation according to the Ph. Eur. paddle test shows a mean value of above 40% by weight after one hour and that the in vitro release rate shows a mean value that is still below 80% by weight after four hours.