申请人:Euroceltique S.A.
公开号:EP0205282A2
公开(公告)日:1986-12-17
A sustained release, oral pharmaceutical composition in solid unit dosage form, for application to the mucosa of the oral or nasal cavity, comprises compressed, mucosa adhesive cellulose, coated granules, the granules comprising a drug, a higher aliphatic alcohol and a hydrated water soluble hydroxyalkyl cellulose.
Preferably the composition is in the form of a buccal tablet, especially a kidney shaped buccal tablet. Preferred materials are morphine as the drug, hydroxypropyl cellulose as the mucosa adhesive cellulose, cetostearyl alcohol as the aliphatic alcohol and hydroxyethyl cellulose as the water soluble cellulose.
The composition has enhanced adherent properties (to the mucosa) and prolongs the bioavailability of the drug.
一种用于口腔或鼻腔粘膜的固体单位剂型缓释口服药物组合物,由压缩的粘膜粘附性纤维素包衣颗粒组成,颗粒由药物、高级脂肪醇和水合水溶性羟烷基纤维素组成。
组合物最好是口腔片剂,特别是肾形口腔片剂。优选的材料有作为药物的吗啡、作为粘膜粘合纤维素的羟丙基纤维素、作为脂肪醇的鲸蜡硬脂醇和作为水溶性纤维素的羟乙基纤维素。
该组合物具有更强的粘附性(粘膜),并能延长药物的生物利用度。