申请人:Chugai Seiyaku
Kabushiki Kaisha
公开号:EP0074584A2
公开(公告)日:1983-03-23
A prolonged-action multiple-layer tablet having an increased rate of dissolution of the active ingredient from a given point of time onward is disclosed. The table comprises layer A made of an intimate mixture of a water-insoluble wax that has an average particle size of 10 µm or less and which is solid at ordinary temperatures, a disintegrator and a binder, and layer B made of an intimate mixture of a water-insoluble wax that has an average particle size of 10 µm or less and which is solid at ordinary temperatures, a disintegrator, a binder and the active ingredient. In the tablet, a quick-release layer containing the active ingredient may be formed on either layer A or B.
本发明公开了一种长效多层片剂,其有效成分的溶出率从给定时间点开始增加。 该片剂包括由平均粒径为 10 微米或以下且在常温下为固体的水不溶性蜡、崩解剂和粘合剂的亲密混合物制成的 A 层,以及由平均粒径为 10 微米或以下且在常温下为固体的水不溶性蜡、崩解剂、粘合剂和有效成分的亲密混合物制成的 B 层。 在片剂中,可在 A 层或 B 层上形成含有有效成分的速释层。