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    • 6. 发明申请
    • PHARMACEUTICAL COMPOSITIONS OF RIFAXIMIN
    • RIFAXIMIN的药物组合物
    • WO2009008005A1
    • 2009-01-15
    • PCT/IN2008/000397
    • 2008-06-23
    • LUPIN LIMITEDJAHAGIRDAR, Harshal, AnilKULKARNI, RajeshKULKARNI, Shirishkumar
    • JAHAGIRDAR, Harshal, AnilKULKARNI, RajeshKULKARNI, Shirishkumar
    • A61K9/20A61K31/44
    • A61K31/44A61K9/1623A61K9/1652A61K9/2086A61K9/2846A61K9/2866A61K9/4808Y02A50/473Y02A50/475
    • A pharmaceutical composition comprising therapeutically effective amount of rifaximin or pharmaceutically acceptable salt or enantiomer or polymorph thereof, pharmaceutically acceptable excipient(s) and release controlling agent(s). Pharmaceutical composition of rifaximin comprising: at least two entities wherein one entity is an immediate release or fast release and the other is controlled release. The pharmaceutical composition in the form of multilayer tablet comprising, at least one layer comprising, therapeutically effective amount of rifaximin or pharmaceutically acceptable salt or enantiomer or polymorph thereof, pharmaceutically acceptable excipient(s); said layer providing controlled release rifaximin; and at least one layer which provides increased residence time of the dosage form in the gastrointestinal tract. The pharmaceutical formulation comprising rifaximin having an in vitro dissolution profile, wherein about 70% of rifaximin is released in about 24 hours. The composition comprising therapeutically effective amount of rifaximin or pharmaceutically acceptable salt(s) or enantiomer(s) or polymorph(s) thereof, one or more release controlling agent(s) and pharmaceutically acceptable excipient(s) causing pathogenic eradication.
    • 一种药物组合物,其包含治疗有效量的利福昔明或其药学上可接受的盐或对映异构体或其多晶型物,药学上可接受的赋形剂和释放控制剂。 利福昔明的药物组合物包括:至少两个实体,其中一个实体是立即释放或快速释放,另一个实体是控制释放的。 多层片剂形式的药物组合物,包含至少一层,其包含治疗有效量的利福昔明或其药学上可接受的盐或对映体或其多晶型物,药学上可接受的赋形剂; 所述层提供受控释放的利福昔明; 以及提供剂型在胃肠道中的延长停留时间的至少一个层。 包含具有体外溶出曲线的利福昔明的药物制剂,其中约70%的利福昔明在约24小时内释放。 所述组合物包含治疗有效量的利福昔明或其药学上可接受的盐或对映异构体或多晶型物,一种或多种释放控制剂和引起致病根除的药学上可接受的赋形剂。
    • 8. 发明申请
    • CONTROLLED RELEASE PHARMACEUTICAL COMPOSITIONS OF MILNACIPRAN
    • 控制释放的MILNACIPRAN的药物组合物
    • WO2011016057A2
    • 2011-02-10
    • PCT/IN2010/000520
    • 2010-08-04
    • LUPIN LIMITEDKULKARNI, Shirish, KumarKULKARNI, RajeshJADHAV, PandharinathTIWARI, Ashish
    • KULKARNI, Shirish, KumarKULKARNI, RajeshJADHAV, PandharinathTIWARI, Ashish
    • A61K9/20
    • A61K9/2027A61K9/2013A61K9/2054A61K9/2086A61K9/209A61K9/2095A61K31/165
    • A controlled release pharmaceutical composition comprising Milnacipran or pharmaceutically acceptable salts thereof and hydrophobic release controlling agent. The composition releases 90 % of the total amount of Milnacipran or pharmaceutically acceptable salts thereof between 8 to 20 hours when dissolution is carried out in 900 ml 0.1N HCl, USP apparatus Type I (Basket) at 100 rpm for 2 hrs, followed by 900 ml Phosphate buffer pH 6.8 USP apparatus Type I (Basket) at 100 rpm. A process of preparing a controlled release pharmaceutical composition comprises: a) preparing a first layer comprising i) melting hydrophobic release controlling agent and Milnacipran or pharmaceutically acceptable salts thereof in it ii) cooling followed by sieving the melted mass to obtain granules and iii) lubricating the granules; and b) preparing a second layer comprising granules which comprises hydrophobic release controlling agent and optionally Milnacipran or pharmaceutically acceptable salts thereof.
    • 包含米那普仑或其药学上可接受的盐和疏水释放控制剂的控释药物组合物。 当在900ml 0.1N HCl,USP装置I型(Basket)中以100rpm进行2小时溶解时,组合物释放出总量的90%的米那普仑或其药学上可接受的盐,其时间为8至20小时,然后900 ml磷酸盐缓冲液pH 6.8 USP装置I(Basket)以100rpm。 制备控释药物组合物的方法包括:a)制备第一层,其包括i)将疏水性释放控制剂和米那普兰或其药学上可接受的盐溶解在其中ii)冷却,然后筛分熔化的物质以获得颗粒,和iii)润滑 颗粒; 和b)制备包含颗粒的第二层,其包含疏水性释放控制剂和任选的米那普兰或其药学上可接受的盐。