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    • 2. 发明申请
    • METHOD FOR THERAPEUTIC ADMINISTRATION OF RADIONUCLEOSIDES
    • 放射性核素治疗药物治疗方法
    • WO2008115511A1
    • 2008-09-25
    • PCT/US2008/003582
    • 2008-03-19
    • PEAK BIOSCIENCES, INC.DALKE, William, D.GERBER, Michael, J.LILLEHEI, Kevin, O.MATSUURA, James, E.WARREN, Stephen, L.
    • DALKE, William, D.GERBER, Michael, J.LILLEHEI, Kevin, O.MATSUURA, James, E.WARREN, Stephen, L.
    • A61K51/00
    • A61K51/0491Y10T137/0402
    • Methods are provided for the local radiotherapy of cancers such as locally invasive, advanced stage solid tumors, and normal tissues penetrated by processes of cancerous tissue, through administration of Auger-electron emitting radionucleoside analogs using high-flow microinfusion techniques ("convection-enhanced delivery"). Direct infusion under pressure, at flow rates in excess of at least about 0.5 microliters/min of the radionucleosides provides for their mass transport through tissue to a much higher degree than could be achieved by passive, unpressurized diffusion. The unique properties of these radionucleoside analogs that provide for surprisingly effacacious delivery by high-flow microinfusion include rapid clearance from tissues following local injection without the benefit of sustained high-flow microinfusion, rapid and complete clearance via the blood stream, poor permeation of barriers such as the blood-brain barrier, and a highly potent, non-selective, but very short range killing effect on cells that are undergoing DNA replication that incorporate radionucleosides into their chromosomes.
    • 通过使用高流量微灌注技术(“对流增强递送”)施用俄歇电子发射放射性核苷类似物,提供了局部放射治疗癌症的方法,例如局部浸润性,晚期实体瘤和由癌组织进程穿透的正常组织 “)。 在压力下直接输注超过至少约0.5微升/分钟的放射性核苷的流速提供了它们通过组织传播的程度比通过被动的,未加压的扩散可以达到的程度高得多。 这些放射性核苷类似物的独特性质通过高流量微灌注提供令人惊讶的高效递送包括局部注射后从组织中快速清除,而不受持续的高流量微灌注的影响,通过血流快速和完全清除,障碍物渗透差 作为血脑屏障,以及对正在经历DNA复制的细胞的非常有效,非选择性但非常短程的杀伤作用,其将放射性核苷掺入染色体。
    • 4. 发明申请
    • METHODS FOR ADMINISTRATION OF RADIOTHERAPEUTIC AGENTS
    • 放射治疗药物的管理方法
    • WO2008140808A1
    • 2008-11-20
    • PCT/US2008/006040
    • 2008-05-09
    • PEAK BIOSCIENCES, INC.GERBER, Michael, J.WARREN, Stephen, L.MATSUURA, James, E.
    • GERBER, Michael, J.WARREN, Stephen, L.MATSUURA, James, E.
    • A01N43/42
    • A61K31/00A61K38/1703A61K38/18A61K38/1866A61K38/195A61K38/20A61K38/22A61K45/06A61K48/00A61K51/0491A61K2300/00
    • A method is provided for treatment of disorders involving hyperproliferative cells, such as malignancies, advanced stage solid tumors like glioblastoma multiforme, and non-malignant hyperproliferative pathological conditions such as adult macular degeneration. A short range, unselective cell killing radiotherapeutic substance is administered, optionally in a spatially defined volume of tissue, optionally in combination with a mitogenic agent that stimulates or induces DNA biosynthesis. In this way, the percentage of hyperproliferative that are susceptible to killing by the radiotherapeutic agent is increased. Cancer stem cells can be induced to enter S phase with the mitogenic agent, then killed with the radiotherapeutic agent. Thus, not only does the combination effectively kill the transit amplifying cell population, the most rapidly replicating type of cell in a tumor, but it also effectively kills the tumor stem cells, which give rise to the transit amplifying cells, for a longer lasting anticancer effect.
    • 提供了用于治疗涉及过度增殖细胞例如恶性肿瘤,晚期实体瘤如多形性成胶质细胞瘤的病症和非恶性过度增殖病理状况如成人黄斑变性的病症的方法。 任选地在空间上限定的组织体内施用短程,非选择性细胞杀伤放射治疗物质,任选与刺激或诱导DNA生物合成的促有丝分裂剂组合。 以这种方式,放射治疗剂易于杀死的过度增殖的百分比增加。 可以诱导癌干细胞与促有丝分裂剂进入S期,然后用放射治疗剂杀死。 因此,不仅组合有效地杀死了肿瘤中最快速复制型细胞的转运扩增细胞群,而且还有效地杀死了产生转运扩增细胞的肿瘤干细胞,以达到更持久的抗癌作用 影响。