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    • 6. 发明申请
    • MATRIX GEL
    • MATRIX凝胶
    • US20170007676A1
    • 2017-01-12
    • US15042629
    • 2016-02-12
    • DE MONTFORT UNIVERSITY
    • Margaret Joan Taylor
    • A61K38/28A61K47/42A61K47/36A61K9/06
    • A61K38/28A61K9/06A61K47/36A61K47/42
    • The present invention relates to a gel having a three dimensional matrix structure and a drug in the form of a solid contained within the three dimensional matrix. Gels of the invention are preferably for implantation into a patient. Storing the drug as a solid within the gel means that the drug density is high in those areas of the gel which contain solid drug. The high drug density means that a larger amount of drug can be stored in a gel of a given size relative to the amount of drug that can be stored as individual molecules. The large deposit of solid drug means that the gel can sustain release of the drug for an extended period of time. This is advantageous because it minimises the frequency of replacement or replenishment of the implanted gel, thereby minimising discomfort and inconvenience to the patient.
    • 本发明涉及具有三维矩阵结构的凝胶和包含在三维矩阵内的固体形式的药物。 本发明的凝胶优选用于植入患者体内。 将药物作为固体储存在凝胶中意味着在含有固体药物的凝胶的那些区域中的药物密度高。 高药物浓度意味着相对于作为单独分子可以储存的药物的量,可以将较大量的药物储存在给定尺寸的凝胶中。 固体药物的大量沉积意味着凝胶可以延长药物的释放时间。 这是有利的,因为它使植入的凝胶的置换或补充的频率最小化,从而最小化对患者的不适和不便。
    • 7. 发明申请
    • Container
    • 容器
    • US20160158145A1
    • 2016-06-09
    • US14959502
    • 2015-12-04
    • De Montfort University
    • Margaret Joan Taylor
    • A61K9/00A61K47/36A61K38/28A61K47/42
    • A61K9/0004A61K9/0024A61K38/28A61K47/36A61K47/42G01N33/66G01N2333/4724G01N2333/62G01N2400/22
    • The present invention relates to a container for an analyte-sensitive gel. When analyte contacts such a gel it causes a gel-sol transition resulting in decreased viscosity of the gel. Such gels can be used for controlling the rate of release of an agent from a reservoir in response to the concentration of an analyte. The container is configured to allow analyte to pass into the container and contact the gel and to allow agent to diffuse out of the container. Such a container may be implantable in the body of a subject and therefore it is preferred if the container is constructed from materials that can be tolerated by the body for a period of time. Advantageously, the container limits the swelling and dilution of gel contained within the container caused by the influx of water into the gel by osmosis. The container therefore maintains the gel in a desired conformation and ensures a predictable release profile of the agent.
    • 本发明涉及用于分析物敏感性凝胶的容器。 当分析物接触这样的凝胶时,其引起凝胶 - 溶胶转变,导致凝胶的粘度降低。 这样的凝胶可以用于响应于分析物的浓度来控制药剂从贮存器释放的速率。 容器被配置为允许分析物进入容器并接触凝胶并允许试剂扩散出容器。 这样的容器可以植入到受试者的身体中,因此优选的是,容器由能够被身体容忍一段时间的材料构成。 有利地,容器限制由于通过渗透将水流入凝胶中而容纳在容器内的凝胶的膨胀和稀释。 因此,容器将凝胶保持在期望的构象,并确保试剂的可预测释放曲线。