药物涂层球囊
    3.
    发明申请
    药物涂层球囊 审中-公开

    公开(公告)号:WO2018059167A1

    公开(公告)日:2018-04-05

    申请号:PCT/CN2017/099022

    申请日:2017-08-25

    发明人: 宋精忠 谢琦宗

    IPC分类号: A61L29/16 A61L29/08

    CPC分类号: A61L29/08 A61L29/16

    摘要: 一种药物涂层球囊,包括球囊本体和覆盖在球囊本体表面的药物涂层,药物涂层含有活性药物和载体,活性药物包括抗增生药物,载体包括促透剂。使用能促进药物快速渗透吸收的促透剂作为载体,使得药物在释放后,快速渗透进入患病部位处的组织,提高药物在血管系统或其他身体管腔的患病组织中的吸收率。可以解决在临床使用时,药物涂层球囊置入人体后,药物向靶病变部位的渗透过慢,药物还未被血管吸收就已经被高速血流冲刷而流失的缺点,并且由于提高了被组织吸收的药量,大量药物得以被保留在血管中膜,可以持续发挥药效抑制远期再狭窄。

    SALTS OF TETRACYCLINES
    4.
    发明申请
    SALTS OF TETRACYCLINES 审中-公开
    四环素盐

    公开(公告)号:WO2017089809A1

    公开(公告)日:2017-06-01

    申请号:PCT/GB2016/053695

    申请日:2016-11-24

    摘要: A tetracycline salt comprising a tetracycline and an organic acid wherein the organic acid is oxalic acid or maleic acid is provided. The tetracycline is preferably doxycycline, minocycline, sancycline, lymecycline, tetracycline or demeclocycline, and preferred salts include oxycycline maleate, minocycline oxalate, tetracycline oxalate, demeclocycline maleate, demeclocycline oxalate, sancycline maleate, lymecycline maleate, or lymecycline oxalate. A pharmaceutical formulation comprising a tetracycline salt according to the invention is also provided, as is a medical device having coated thereon a salt or pharmaceutical formulation according to the invention.A salt of the invention, or a formulation of the invention are also provided for use as medicaments, particularly for use in the treatment or prevention of an inflammation and/or an infection. There is also provided a method of preparing a tetracycline salt, which method comprises reacting a tetracycline base with an excess of an organic acid in a solvent.

    摘要翻译: 提供了包含四环素和有机酸的四环素盐,其中有机酸是草酸或马来酸。 四环素优选为多西环素,米诺环素,三环素,四环素或地美环素,优选的盐包括马来酸氧环己酯,草酸米诺环素,草酸四环素,马来酸地尔环素,地塞米环素草酸盐,马西酸地塞米林,马来酸莱美环素或草酸莱美环素。 还提供了包含根据本发明的四环素盐的药物制剂,如其上涂覆有根据本发明的盐或药物制剂的医疗装置。还提供了本发明的盐或本发明的制剂供使用 作为药物,特别用于治疗或预防炎症和/或感染。 还提供了一种制备四环素盐的方法,该方法包括使四环素碱与过量的有机酸在溶剂中反应。

    DRUG-COATED MEDICAL DEVICES
    8.
    发明申请
    DRUG-COATED MEDICAL DEVICES 审中-公开
    药物包装医疗器械

    公开(公告)号:WO2017007430A1

    公开(公告)日:2017-01-12

    申请号:PCT/SG2016/050318

    申请日:2016-07-08

    申请人: JMEDTECH PTE LTD

    摘要: Disclosed herein is a drug-coated medical device in the form of a balloon having an inner surface and an outer hydrophobic surface, an adhesion balance layer directly on the outer hydrophobic surface of the balloon, comprising a hydrophilic polymer and/or a hydrophilic compound where the hydrophilic compound has a molecular weight of less than 1,000 Daltons, and a therapeutic layer directly on the adhesion balance layer comprising a therapeutic agent and a pharmaceutically acceptable carrier, wherein the therapeutic agent is a hydrophobic therapeutic agent with one or more hydrogen-bonding groups and is provided as discrete drug particles in the therapeutic layer, the drug particles have at least one dimension that is less than 25 μηι and are uniformly distributed on the surface of the balloon, and the pharmaceutically acceptable carrier is hydrophilic and has a molecular weight of less than 1,000 Daltons. A process to make the drug-coated medical device and uses thereof are also disclosed.

    摘要翻译: 本文公开了一种具有内表面和外疏水表面的气囊形式的药物涂覆的医疗装置,直接在气囊的外疏水表面上的粘附平衡层,包括亲水性聚合物和/或亲水性化合物,其中 亲水性化合物的分子量小于1,000道尔顿,直接在包含治疗剂和药学上可接受的载体的粘附平衡层上的治疗层,其中治疗剂是具有一个或多个氢键基团的疏水性治疗剂 并且作为治疗层中的离散药物颗粒提供,药物颗粒具有至少一个小于25微米的尺寸并且均匀分布在球囊的表面上,并且药学上可接受的载体是亲水性的并且具有 小于1,000道尔顿。 还公开了制备药物包被的医疗装置及其用途的方法。