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    • 1. 发明授权
    • Modified release matrix formulation of cefaclor and cephalexin
    • 头孢克洛和头孢氨苄的改性释放基质配方
    • US5948440A
    • 1999-09-07
    • US992151
    • 1997-12-17
    • Jagdish AroraGirish JainHimadri Sen
    • Jagdish AroraGirish JainHimadri Sen
    • A61K9/20A61K9/22A61K9/28A61K9/30A61K31/545A61K47/38
    • A61K31/545A61K9/2054A61K9/2866Y10S514/964
    • A pharmaceutical composition in the form of a tablet for controlled release of an active ingredient comprises cefaclor, cephalexin, or their pharmaceutically acceptable hydrates, salts, or esters as active ingredient, and a mixture of hydrophilic polymers of different viscosity grades selected from the group consisting of at least one hydroxypropyl methylcellulose and at least one hydroxypropylcellulose. The composition optionally also contains one or more of a water soluble or water dispersible diluent. The quantities of the hydrophilic polymers and water soluble or water dispersible diluent are such that the therapeutically effective active ingredient is released at a rate suitable for twice daily administration of the pharmaceutical composition to human subjects. The tablets may also be coated with a rapidly dissolving water soluble polymeric film coat. In a preferred embodiment, the composition comprises about 50% to about 90% by weight of cefaclor, cephalexin, or their pharmaceutically acceptable hydrates, salts, or esters, and about 5% to about 35% of a mixture of hydrophilic polymers of different grades, wherein the hydrophilic polymers comprise about 0.1% to about 20% by weight of hydroxypropyl methylcellulose and about 0.1% to about 20% by weight of hydroxypropyl cellulose.
    • 用于控制释放活性成分的片剂形式的药物组合物包括头孢克洛,头孢氨苄或其药学上可接受的水合物,盐或酯作为活性成分,以及不同粘度等级的亲水聚合物的混合物,其选自 的至少一种羟丙基甲基纤维素和至少一种羟丙基纤维素。 组合物任选地还含有一种或多种水溶性或水分散性稀释剂。 亲水性聚合物和水溶性或水分散性稀释剂的量使得治疗有效的活性成分以适合于每天两次向药物组合物施用给人类受试者的速率释放。 片剂也可以用快速溶解的水溶性聚合物膜包衣包衣。 在优选的实施方案中,组合物包含约50%至约90%重量的头孢克洛,头孢氨苄或其药学上可接受的水合物,盐或酯,以及约5%至约35%的不同等级的亲水性聚合物的混合物 ,其中所述亲水性聚合物包含约0.1重量%至约20重量%的羟丙基甲基纤维素和约0.1重量%至约20重量%的羟丙基纤维素。
    • 4. 发明申请
    • Extended release matrix tablets
    • 延长释放矩阵片
    • US20060159752A1
    • 2006-07-20
    • US10524461
    • 2003-08-12
    • Girish JainOrn AnandAshok Rampal
    • Girish JainOrn AnandAshok Rampal
    • A61K31/736A61K31/717A61K9/22
    • A61K9/2027A61K9/205A61K9/2054
    • The present invention relates to extended release matrix tablets for oral administration that include a cationic polymer, a water-swellable polymer, and an alginic acid derivative to cause the release rate of the active ingredient of the tablets to be independent of pH and gastric residence time. The active pharmaceutical ingredient may be one or more of antibiotics, sympathomimetics, sympatholytic agents, cholinergic agents, antimuscarinics, gastro-intestinal drugs, gentio-urinary smooth muscle relaxants, cardiac drugs, anticonvulsants, tranquilizers and sedatives, and in particular may be an antibiotic, such as cefaclor, or may be a sympatholytic agent, such as carvedilol.
    • 本发明涉及用于口服给药的延长释放基质片剂,其包括阳离子聚合物,水溶胀性聚合物和藻酸衍生物,以使片剂的活性成分的释放速率与pH和胃停留时间无关 。 活性药物成分可以是抗生素,拟交感神经,交感神经药,胆碱能药,抗毒蕈碱,胃肠药,龙胆平喘肌松弛剂,心脏药物,抗惊厥药,镇静剂和镇静剂中的一种或多种,​​特别是抗生素 ,例如头孢克洛,或者可以是交替溶解剂,例如卡维地洛。
    • 7. 发明申请
    • (3R, 4R)-trans-3, 4-diarylchroman derivatives and a method for the prevention and/or treatment of estrogen dependent diseases
    • (3R,4R) - 反-3,4-二芳基苯并二氢吡喃衍生物和预防和/或治疗雌激素依赖性疾病的方法
    • US20050070597A1
    • 2005-03-31
    • US10677116
    • 2003-09-30
    • SangitaAtul KumarMan SinghSuprabhat RayGirish Jain
    • SangitaAtul KumarMan SinghSuprabhat RayGirish Jain
    • C07D311/58A61K31/541A61K31/353A61K31/452A61K31/496A61K31/5377C07D45/02
    • C07D311/58
    • The present invention relates to compounds of the formula I in which substituents R2 and R3 are arranged in trans-configuration: wherein: R1 is H or C1-C6 alkyl; C3-C7 cycloalkyl; R2 is phenyl, optionally substituted with 1 to 5 substituents independently selected from the group comprising OH, C1-C6-alkyl, halogen, nitro, cyano, SH, SR4, trihalo-C1-C6-alkyl, C1-C6-alkoxy and phenyl, wherein R4 is C1-C6 alkyl; R3 is phenyl substituted with OR5 wherein R5 has the formula (II), (III) or (IV) wherein Y is chosen from NHR4, NR42, NHCOR4, NHSO2R4, CONHR4, CONR4, CONR42, COOH, COOR4, SO2R4, SOR4, SONHR4, SONR42, a C3-C7 heterocyclic ring, saturated or unsaturated, containing one or two heteroatoms independently selected from the group consisting of O, S and N, optionally being substituted with 1 to 3 substituents independently selected from the group comprising H, OH, halogen, nitro, cyano, SH, SR4, trihalo-C1-C6-alkyl, C1-C6-alkyl and C1-C6-alkoxy, preferably NHR4, NR24, or a nitrogen heterocycle, wherein R4 is as defined above, and the esters, ethers, and salts of the compounds of formula I, optionally along pharmaceutically acceptable excipients, a process for the preparation of the same, and a method of preventing and/or treating estrogen-related disease conditions in a subject using compounds of formula 1, or its salts, optionally along with pharmaceutically acceptable excipients.
    • 本发明涉及式I化合物,其中取代基R 2和R 3以反式构型排列:其中:R 1是H或C 1 -C 6烷基; C3-C7环烷基; R 2是苯基,任选地被1至5个独立地选自OH,C 1 -C 6 - 烷基,卤素,硝基,氰基,SH,SR 4, - 3卤代-C 1 -C 6烷基,C 1 C 1-6 - 烷氧基和苯基,其中R 4是C 1 -C 6烷基; R 3是被OR 5取代的苯基,其中R 5具有式(II),(III)或(IV),其中Y选自NHR 4,NR 4,NHCOR 4 >,NHSO 2 R 4,CONHR 4,CONR 4,CONR 4,COOH,COOR 4,SO 2 R 4,SOR 4,SONHR 4,SONR 4 饱和或不饱和的C3-C7杂环,其含有一个或两个独立地选自O,S和N的杂原子,任选被1至3个独立地选自H,OH,卤素, 硝基,氰基,SH,SR 4,三卤代-C 1 -C 6烷基,C 1 -C 6烷基和C 1 -C 6烷氧基,优选NH 4,NR 2 4或氮杂环, 4>如上所定义,并且式I化合物的酯,醚和盐,任选地沿着药学上可接受的赋形剂,其制备方法,以及预防和/或治疗雌激素相关疾病的方法 使用式1化合物的受试者的条件,或其盐,任选地与药物 lly可接受的赋形剂。