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    • 1. 发明申请
    • A NEW EXTENDED RELEASE ORAL DOSAGE FORM
    • 一个新的扩展释放口服剂型
    • WO2003017984A1
    • 2003-03-06
    • PCT/SE2002/001542
    • 2002-08-28
    • ASTRAZENECA ABELLSTRÖM, KarinKJELLBERG, UlfNYQVIST, HåkanRINGBERG, AndersSCHWEIGHOFER, Annika
    • ELLSTRÖM, KarinKJELLBERG, UlfNYQVIST, HåkanRINGBERG, AndersSCHWEIGHOFER, Annika
    • A61K9/22
    • A61K9/2846A61K9/2054A61K9/2866A61K31/353
    • The present invention relates to a new extended release oral dosage form of the good soluble pharmaceutically active substance, ( R )-3- N,N -dicyclobutylamino-8-fluoro-3,4-dihydro-2 H -1-benzopyran-5-carboxamide, in the form of the free base or pharmaceutically acceptable salts and/or hydrates or solvates thereof, for use in the prevention and/or treatment of central nervous system (CNS) disorders and related medical disturbances. More particularly, the invention relates to an extended release oral dosage form that provides a defined blood concentration profile having no rapid initial rise in blood plasma concentration of the good soluble active substance when administered at low dose. The invention further relates to processes for preparing said dosage form, the use of said dosage and a method of prevention and/or treatment of CNS disorders and related medical disturbances using said dosage form.
    • 本发明涉及良好的可溶性药物活性物质(R)-3-N,N-二环丁基氨基-8-氟-3,4-二氢-2H-1-苯并吡喃-5-羧酸的新的延长释放口服剂型, 甲酰胺,其为游离碱或其药学上可接受的盐和/或水合物或溶剂合物的形式,用于预防和/或治疗中枢神经系统(CNS)障碍和相关的医学障碍。 更具体地,本发明涉及延长释放口服剂型,其提供限定的血液浓度分布,其在以低剂量施用时没有快速初始上升的良好可溶性活性物质的血浆浓度。 本发明还涉及制备所述剂型的方法,所述剂量的使用以及使用所述剂型预防和/或治疗CNS障碍和相关医学干扰的方法。