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    • 1. 发明授权
    • Preparation of microparticles
    • 微粒的制备
    • US5648095A
    • 1997-07-15
    • US190022
    • 1994-07-08
    • Lisbeth IllumOlufunmiloyo Lilly Johnson
    • Lisbeth IllumOlufunmiloyo Lilly Johnson
    • A61K9/16A61K9/50A61K47/36A61K49/00A61K49/22B01J13/02B01J13/12A61K9/66
    • B82Y15/00A61K49/223A61K49/225A61K9/1694A61K9/5036A61K9/5052A61K9/5089B01J13/125
    • Hollow microcapsules or solid microspheres for use in diagnostic procedures, as well as methods for making the microcapsules, are provided, which are formed by combining a volatile oil with an aqueous phase including a water soluble material such as a starch, modified starch or proteinaceous material, or a polyethylene glycol (PEG) conjugate, to form a primary emulsion. The primary emulsion then is combined with a second oil, to form a secondary emulsion, and the material is permitted to harden and to form microcapsules around a liquid core of the volatile oil. At least part of the volatile oil then may be removed by evaporation to produce hollow microcapsules. Optionally, all of the volatile oil may be removed prior to hardening of the material, which produces solid microspheres. The The microcapsules can be used in a variety of applications for diagnostic purposes and for drug delivery.
    • PCT No.PCT / GB92 / 01421 Sec。 371日期:1994年7月8日 102(e)日期1994年7月8日PCT提交1992年8月3日PCT公布。 出版物WO93 / 02712 日期1993年2月18日提供了用于诊断程序的微胶囊或固体微球,以及制备微胶囊的方法,其通过将挥发性油与包含水溶性物质如淀粉的水相组合而形成, 改性淀粉或蛋白质材料,或聚乙二醇(PEG)缀合物,以形成初级乳液。 然后将初级乳液与第二种油组合以形成二级乳液,并允许该材料硬化并在挥发性油的液芯周围形成微胶囊。 然后可以通过蒸发除去至少部分挥发性油以产生中空微胶囊。 任选地,在产生固体微球的材料硬化之前,所有的挥发油都可以被去除。 微胶囊可用于各种诊断用途和药物递送应用。
    • 4. 发明授权
    • Adhesive drug delivery composition
    • 胶粘剂药物输送组合物
    • US06355276B1
    • 2002-03-12
    • US08234723
    • 1994-04-28
    • Lisbeth IllumPaul WilliamsAntony James Caston
    • Lisbeth IllumPaul WilliamsAntony James Caston
    • A61K916
    • A61K9/5052A61K9/167Y02A50/473
    • Adhesive material from the fimbriae (esp. Type 1) of bacteria or synthetic analogues or fragments thereof is combined with a drug to provide for attachment to the gut of a mammal, thereby prolonging the transit time of the drug through the gut. The 28 kDa polypeptide from E. coli Type 1 fimbriae is the preferred adhesive material (“adhesin”). The drug is presented in a carrier such as albumin, a polylactide/glycolide copolymer or alginate microcapsules. The adhesin may be incorporated in the carrier during preparation thereof, adsorbed onto the carrier after preparation, or covalently linked thereto, for example with carbodiimide.
    • 来自细菌(特别是1型)的细菌或合成类似物或其片段的粘合剂材料与药物组合以提供与哺乳动物的肠道连接,从而延长药物通过肠道的通过时间。 来自大肠杆菌1型菌毛的28kDa多肽是优选的粘合剂材料(“粘附素”)。 药物存在于载体如白蛋白,聚丙交酯/乙交酯共聚物或藻酸盐微胶囊中。 粘附素可以在其制备过程中加入到载体中,在制备后吸附到载体上或与其共价连接,例如与碳二亚胺形成。
    • 5. 发明授权
    • Drug delivery compositions
    • 药物输送组合物
    • US5744166A
    • 1998-04-28
    • US576877
    • 1995-12-21
    • Lisbeth Illum
    • Lisbeth Illum
    • A61K9/00A61K47/36A61K47/48A61K9/50A61K9/14A61K9/20
    • A61K9/0014A61K47/36A61K47/4823A61K9/0043
    • Compositions for delivery of pharmacologically active agents and methods for their administration are provided. In one embodiment, the compositions include a complex of a polycationic polymer and a pharmacologically active agent in a pharmaceutically acceptable carrier. The compositions in one embodiment permit transport of pharmacologically active compounds across mucosal membranes for systemic delivery. The polycationic polymer may be, for example, a polycationic carbohydrate such as a chitosan or a chitosan salt or derivative. The therapeutic agent a preferred embodiment is a vaccine or a nucleic acid, such as a gene or antisense oligonucleotide. The composition may be provided in different forms such as a solution, dispersion, powder or in the form of microspheres.
    • 提供用于递送药理学活性剂的组合物及其给药方法。 在一个实施方案中,组合物包括在可药用载体中的聚阳离子聚合物和药理活性剂的复合物。 在一个实施方案中的组合物允许药物活性化合物跨越粘膜进行系统递送。 聚阳离子聚合物可以是例如聚阳离子碳水化合物如壳聚糖或壳聚糖盐或衍生物。 治疗剂优选的实施方案是疫苗或核酸,例如基因或反义寡核苷酸。 组合物可以以不同形式提供,例如溶液,分散体,粉末或微球形式。