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    • 3. 发明申请
    • SAP VARIANTS AND THEIR USE
    • SAP变量及其使用
    • US20100323970A1
    • 2010-12-23
    • US12817535
    • 2010-06-17
    • W. Scott Willett
    • W. Scott Willett
    • A61K38/17C07K14/435A61P29/00A61P37/00A61P27/00A61P35/00
    • C07K14/4711A61K38/00A61K38/17
    • Polypeptides are susceptible to denaturation or enzymatic degradation in the blood, liver or kidney. Due to the low stability of some polypeptides, it has been required to administer polypeptide drugs in a sustained frequency to a subject in order to maintain an effective plasma concentration of the active substance. Furthermore, pharmaceutical compositions of therapeutic peptides preferably have a shelf-life of several years in order to be suitable for common use. However, peptide compositions are inherently unstable due to sensitivity towards chemical and physical degradation. In part, the invention provides SAP variant proteins, compositions, pharmaceutical preparations and formulations having a prolonged in vivo half-life, prolonged shelf-life, or rather increased in vitro stability, or increased manufacturing efficiency compared to human SAP. Advantages of increased plasma half-life include, but are not limited to, reducing the amount and/or frequency of dosing.
    • 多肽易受血液,肝脏或肾脏变性或酶降解的影响。 由于某些多肽的稳定性低,为了维持活性物质的有效血浆浓度,需要以持续的频率向受试者施用多肽药物。 此外,治疗性肽的药物组合物优选具有几年的保质期以适合于常用。 然而,由于对化学和物理降解的敏感性,肽组合物本质上是不稳定的。 部分地,本发明提供SAP变体蛋白质,组合物,药物制剂和具有延长的体内半衰期,延长的保质期或相当于体外稳定性提高的制剂或与人SAP相比提高的制造效率。 增加血浆半衰期的优点包括但不限于减少给药量和/或剂量的频率。
    • 6. 发明授权
    • SAP variants and their use
    • SAP变体及其用途
    • US08329659B2
    • 2012-12-11
    • US12817535
    • 2010-06-17
    • W. Scott Willett
    • W. Scott Willett
    • A61K38/16A61K38/00C07K14/00C07K17/00
    • C07K14/4711A61K38/00A61K38/17
    • Polypeptides are susceptible to denaturation or enzymatic degradation in the blood, liver or kidney. Due to the low stability of some polypeptides, it has been required to administer polypeptide drugs in a sustained frequency to a subject in order to maintain an effective plasma concentration of the active substance. Furthermore, pharmaceutical compositions of therapeutic peptides preferably have a shelf-life of several years in order to be suitable for common use. However, peptide compositions are inherently unstable due to sensitivity towards chemical and physical degradation. In part, the invention provides SAP variant proteins, compositions, pharmaceutical preparations and formulations having a prolonged in vivo half-life, prolonged shelf-life, or rather increased in vitro stability, or increased manufacturing efficiency compared to human SAP. Advantages of increased plasma half-life include, but are not limited to, reducing the amount and/or frequency of dosing.
    • 多肽易受血液,肝脏或肾脏变性或酶降解的影响。 由于某些多肽的稳定性低,为了维持活性物质的有效血浆浓度,需要以持续的频率向受试者施用多肽药物。 此外,治疗性肽的药物组合物优选具有几年的保质期以适合于常用。 然而,由于对化学和物理降解的敏感性,肽组合物本质上是不稳定的。 部分地,本发明提供SAP变体蛋白质,组合物,药物制剂和具有延长的体内半衰期,延长的保质期或相当于体外稳定性提高的制剂或与人SAP相比提高的制造效率。 增加血浆半衰期的优点包括但不限于减少给药量和/或剂量的频率。