The present invention relates to a composition for parenteral administration, containing donepezil as an active ingredient, and a preparation method therefor. Donepezil, which has been conventionally used for oral or transdermal administration, is prepared as microparticles comprising a biodegradable and biocompatible polymer and a release controller so as to be provided as a pharmaceutical composition for sustained release parenteral administration, thereby enabling in vivo sustained release continuously for 2-12 weeks or more. Therefore, it is possible to reduce the frequency of administration to a patient and maintain an effective concentration in the blood for a long time.
本发明涉及一种含有
多奈哌齐作为活性成分的肠外给药组合物及其制备方法。
多奈哌齐通常用于口服或透皮给药,本发明将其制备成微颗粒,其中包含一种可
生物降解且
生物相容的聚合物和一种释放控制器,从而将其作为一种药物组合物提供给患者,用于肠外持续释放给药,从而实现在体内持续释放 2-12 周或更长时间。因此,可以减少对患者的给药频率,并长期保持血液中的有效浓度。