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Research and recent progress of rectal drug delivery system
Author(s): 
Pages: 107-112
Year: Issue:  2
Journal: Qilu Pharmaceutical Affairs

Keyword:  直肠给药直肠吸收给药装置研究进展;
Abstract: 口服给药形式简单方便,是常规药物治疗的首选途径,然而对于禁食或其他原因不能口服的药物及服药依从性差的患者,直肠给药是一种安全的替代给药方式.直肠黏膜内血管丰富,给药可发挥局部或全身治疗作用,避免肝脏首过效应,防止胃酸及酶对药物的破坏作用,减少胃的刺激.但由于缺乏经证实的药代动力学研究和对给药器械依赖大,以及给药部位特殊可能引起患者不适等,其利用率相对较低.本综述归纳直肠给药特点及优势,探讨影响直肠给药吸收的因素以及介绍常见给药装置的类型、新型直肠给药剂型,并对其研究前景进行展望,为直肠给药制剂的开发提供理论依据和参考.
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