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    • 4. 发明申请
    • DRUG DELIVERY FORMULATIONS FOR TARGETED DELIVERY
    • 用于指定交货的药物递送配方
    • WO2006125074A1
    • 2006-11-23
    • PCT/US2006/019229
    • 2006-05-17
    • BROWN UNIVERSITY RESEARCH FOUNDATIONMORELLO, Arthur, Peter, IIIREINEKE, JoshuaCHEIFETZ, Peter, MatthewLAULICHT, BryanMATHIOWITZ, Edith
    • MORELLO, Arthur, Peter, IIIREINEKE, JoshuaCHEIFETZ, Peter, MatthewLAULICHT, BryanMATHIOWITZ, Edith
    • A61K9/20
    • A61K9/0004A61K9/0009
    • The size and location of microsphere uptake/delivery are important determinants of the final biodistribution of oral microsphere systems. Formulations, kits, methods of administering the formulations, and using the kits are described herein. The formulations are oral dosage formulations. In one embodiment, the formulations contain microparticles and/or nanoparticles having a homogenous size range selected to optimize uptake in a specific region of the GI tract and target drug delivery to specific organs. In some embodiments, the dosage formulation contains an enteric coating and/or a magnetic material. In a preferred embodiment, the formulation contains a magnetic material and an active agent to be delivered, optionally the active agent is in the form of micro- or nano-particles. In some embodiments metallomucoadhesive materials and/or magnetic materials are employed as magnetic and/or mucoadhesive sources. Formulations containing magnetic materials can be localized using the kits and methods disclosed herein. In one embodiment, the method includes orally administering the formulation and applying an extracorporeal magnet to a site on the outside surface of the patient's body in an area that closely apposes the location in the gastrointestinal tract to which delivery of the formulation is desired. The extracorporeal magnet is applied for a suitable time period to allow for the drug to be released from the formulation and/or to allow for the formulation to adhere to the site. Both magnetic and mucoadhesive forces may be utilized to site-direct and retain the dosage fonn in the region of the gastrointestinal (GI) tract most suitable for the desired delivery.
    • 微球吸收/释放的大小和位置是口腔微球系统最终生物分布的重要决定因素。 本文描述了制剂,试剂盒,施用制剂的方法和使用试剂盒。 制剂是口服剂型。 在一个实施方案中,制剂包含具有选择的均匀尺寸范围的微粒和/或纳米颗粒,以优化GI道的特定区域中的摄取并将靶向药物递送至特定器官。 在一些实施方案中,剂量制剂含有肠溶衣和/或磁性材料。 在优选的实施方案中,制剂含有磁性材料和待递送的活性剂,任选的活性剂是微粒或纳米颗粒的形式。 在一些实施方案中,金属粘着粘附材料和/或磁性材料用作磁性和/或粘膜粘附源。 可以使用本文公开的试剂盒和方法来定位含有磁性材料的制剂。 在一个实施方案中,该方法包括口服施用该制剂并将一个体外磁体施加到患者身体的外表面上的一个位置,该区域紧密地形成需要递送制剂的胃肠道中的位置。 施用体外磁体合适的时间段以允许药物从制剂中释放和/或允许制剂粘附到部位。 可以利用磁性和粘膜粘附力来定位直接并将剂量保留在最适合于期望递送的胃肠道(GI)区域中。
    • 6. 发明申请
    • CHEMICALLY CROSS-LINKED ELASTOMERIC MICROCAPSULES
    • 化学交联的弹性微球
    • WO2007009023A3
    • 2009-04-09
    • PCT/US2006027163
    • 2006-07-12
    • ENGINEERED RELEASE SYSTEMS INCLAULICHT BRYAN EBAKHRU SASHA
    • LAULICHT BRYAN EBAKHRU SASHA
    • A61K9/14
    • A61K9/5031
    • The present invention relates to the fields of stably encapsulating oral care, skin care, scented, flavoring agents for cued release, and therapeutic agents for extended and sustained release. The invention relates to the stable microencapsulation of these agents for incorporation into dentifrices, topical ointments, microwavable food products, dryer sheets and chewing gums to be released during brushing, applying, heating, tumbling, and masticating respectively. Additionally, the invention encompasses extended and sustained release formulations that achieve reservoir-type delivery of therapeutic agents. The invention discloses methods for manufacturing and post-processing populations of chemically cross-linked elastomeric microcapsules allowing for the incorporation of encapsulated agents into a wide range of formulations without significantly altering their physio-chemical properties while providing for the cued delivery of the encapsulated agent upon the reception of a single or multiple mechanical or thermo-mechanical cues, or extended delivery via diffusion.
    • 本发明涉及稳定包封口腔护理,皮肤护理,香味,调理释放的调味剂以及用于延长和持续释放的治疗剂的领域。 本发明涉及这些试剂稳定的微胶囊化,用于掺入洁牙剂,局部软膏,微波加工食品,干燥片和口香糖中,分别在刷牙,涂抹,加热,翻滚和咀嚼过程中释放。 另外,本发明包括实现治疗剂的储库型递送的延长和持续释放制剂。 本发明公开了用于制造和后处理化学交联的弹性体微胶囊的种群的方法,其允许将包封的试剂掺入到宽范围的制剂中,而不显着改变其生理化学性质,同时提供包封的药剂的提供递送 接收单个或多个机械或热机械线索,或通过扩散延长传送。
    • 7. 发明申请
    • POLYMER-BASED MICROSTRUCTURES
    • 聚合物基微结构
    • WO2005041884A9
    • 2005-06-23
    • PCT/US2004036158
    • 2004-10-29
    • ENGINEERED RELEASE SYSTEMS INCLAULICHT BRYAN EBAKHRU SASHA
    • LAULICHT BRYAN EBAKHRU SASHA
    • A61K20060101B01J13/08B01J13/14A61K
    • B01J13/14B01J13/08
    • The present invention relates to the fields of controlled release of drugs, proteins, nucleic acids, and other pharmaceuticals. It also relates to delivery systems for these agents and other compounds. The invention also relates to stable encapsulation of cells and molecules. The invention provides a population of microstructures comprising a permeable polymer shell, wherein the standard variance in the volume of the microstructures is usually less than or equal to 20 % , preferably 10 % , of the mean, and wherein the diffusion characteristics of the polymer shell vary within the population of microstructures. It also provides for an apparatus and a method of forming a population of microstructures, which method for making microstructures by introducing drops of a polymer solution into a receiving solution under conditions that permit cross-linking of the polymer in the receiving solution. Microstructures of calcium-cross-linked alginate with a chitosin capsule are disclosed.
    • 本发明涉及药物,蛋白质,核酸和其他药物的控制释放领域。 它还涉及这些药剂和其他化合物的递送系统。 本发明还涉及细胞和分子的稳定包封。 本发明提供了包含可渗透聚合物壳的微结构群,其中微结构体积的标准变化通常小于或等于平均值​​的20%,优选10%,并且其中聚合物壳的扩散特征 在微观结构的人口中变化。 本发明还提供了一种形成微结构群体的设备和方法,该设备和方法通过在允许接收溶液中的聚合物交联的条件下通过将聚合物溶液液滴引入接收溶液来制造微结构。 公开了用壳聚糖胶囊交联钙交联藻酸盐的微结构。
    • 10. 发明申请
    • POLYMER-BASED MICROSTRUCTURES
    • 聚合物微结构
    • WO2005041884A2
    • 2005-05-12
    • PCT/US2004/036158
    • 2004-10-29
    • ENGINEERED RELEASE SYSTEMS, INCLAULICHT, Bryan, E.BAKHRU, Sasha
    • LAULICHT, Bryan, E.BAKHRU, Sasha
    • A61K
    • B01J13/14B01J13/08
    • The present invention relates to the fields of controlled release of drugs, proteins, nucleic acids, and other pharmaceuticals. It also relates to delivery systems for these agents and other compounds. The invention also relates to stable encapsulation of cells and molecules. The invention provides a population of microstructures comprising a permeable polymer shell, wherein the standard variance in the volume of the microstructures is usually less than or equal to 20 % , preferably 10 % , of the mean, and wherein the diffusion characteristics of the polymer shell vary within the population of microstructures. It also provides for an apparatus and a method of forming a population of microstructures, which method for making microstructures by introducing drops of a polymer solution into a receiving solution under conditions that permit cross-linking of the polymer in the receiving solution. Microstructures of calcium-cross-linked alginate with a chitosin capsule are disclosed.
    • 本发明涉及药物,蛋白质,核酸和其他药物的控制释放领域。 它还涉及这些试剂和其它化合物的递送系统。 本发明还涉及细胞和分子的稳定包封。 本发明提供了包含可渗透聚合物壳的微观组织群,其中微结构体积的标准差异通常小于或等于平均值​​的20%,优选10%,并且其中聚合物壳的扩散特性 在微观结构的群体内变化。 它还提供了一种形成微观结构群的装置和方法,该方法通过在允许聚合物在接收溶液中交联的条件下将聚合物溶液的液滴引入接收溶液来制备微结构。 公开了钙交联藻酸盐与壳聚糖胶囊的微结构。