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    • 8. 发明申请
    • COMPOSITIONS AND METHODS FOR VISUALIZATION OF THE VITREOUS
    • 组合物和方法可视化的VITREOUS
    • WO2015198245A1
    • 2015-12-30
    • PCT/IB2015/054747
    • 2015-06-24
    • NOVARTIS AGGHOSH, JoyDRYJA, Thaddeus PeterROGUSKA, MichaelCARLSON, Eric
    • GHOSH, JoyDRYJA, Thaddeus PeterROGUSKA, MichaelCARLSON, Eric
    • A61K47/42C07K14/47A61K49/00A61P41/00
    • A61K49/0056A61K9/0051A61K49/0021A61K49/0043C07K14/4718
    • The invention provides compositions for rendering a vitreous cavity visible during a surgical procedure to alleviate a structural disorder caused by the vitreous in an eye, and methods of using the compositions. The compositions are vitreous delineating agents that comprise a hyaluronan binding peptide linked to an optically detectable moiety. Such compositions can be in a formulation that may be a solution, a suspension, or an emulsion, and would be injected into the vitreous shortly prior to use. The composition may additionally contain a therapeutic agent, a diagnostic agent, or a chemosensirig material, in use, the composition marks or delineates the vitreous by binding preferentially to the hyaluronan that permeates the vitreous humor and binding little or not at ail to surrounding tissues such as the retina. The interface between the labelled vitreous humor and the non-labelled surrounding vital tissues produces a visible signal, thereby allowing a surgeon to clearly visualize the entire vitreous cavity and distinguish it from vital ocular structures. Use of the method improves the accuracy and safety of a vitrectomy and thus prevents suboptimal outcomes or the need for repeated procedures. The compositions comprising chemosensing material are useful as long- lasting biosensors, which when used in the vitreous enable repetitive, non-invasive, in vivo measurements of metabolites or pharmacologic agents in the vitreous of animals or humans.
    • 本发明提供用于在外科手术过程中使玻璃体腔可见的组合物,以减轻由眼睛中的玻璃体引起的结构障碍,以及使用该组合物的方法。 组合物是包含与可光学检测部分连接的透明质酸结合肽的玻璃体描绘剂。 这样的组合物可以是可以是溶液,悬浮液或乳液的制剂,并且在使用前不久将被注入玻璃体。 该组合物可以在使用中另外含有治疗剂,诊断剂或化学感光材料,组合物通过优先结合渗透玻璃体液的透明质酸并且很少或不与周围组织结合而标记或描绘玻璃体,如 作为视网膜。 标记的玻璃体液和未标记的周围重要组织之间的界面产生可见信号,从而允许外科医生清楚地观察整个玻璃体腔并将其与重要的眼部结构区分开。 使用该方法可提高玻璃体切割术的准确性和安全性,从而防止次优结局或重复手术的需要。 包含化学感应材料的组合物可用作持久的生物传感器,当用于玻璃体时,能够重复,非侵入性地体内测量动物或人体玻璃体中的代谢物或药理学试剂。