【摘要】 近年来,缓释、控释制剂取得了很大的进展,专利文献大量涌现,上市的品种不断增多。尤其是控释散剂、控释小丸、各种骨架型缓释片、包衣控释片、渗透泵控释片、缓释膜剂、缓释胶囊剂、控释液体制剂、缓释干混悬剂和高生物利用度缓释制剂有了很大的发展。更多还原

【Abstract】 Great progress has been made recently inthe field of slow release dosage form and itspreparation technology.patent data have largelyemerged and more and more medicines continu-ously marketed.Remarkable advances have beenmade in controlled-release(CR)powders,CRpellets,varied sustained-release(SR)matricestablets,CR coating tablets,osmotic pump tab-lets for controlled delivery of drugs,SR films,SR capsules,CR liquid preparations,SR drysuspensions and S R formulations of high bio-availability.更多还原