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    • 9. 发明申请
    • METHODS FOR PRODUCING DIKETOPIPERAZINES AND COMPOSITIONS CONTAINING DIKETOPIPERAZINES
    • 生产二酮类药物的方法和含有二酮类药物的组合物
    • WO2014121210A1
    • 2014-08-07
    • PCT/US2014/014478
    • 2014-02-03
    • AMPIO PHARMACEUTICALS, INC.
    • BAR-OR, David
    • A61K38/38C07D241/52C07K14/76
    • A61K38/05A61K38/385C07K14/76C12P21/06
    • Methods of making increased amounts of diketopiperazines (DKP) such as DA- DKP in pharmaceutical compositions of proteins and peptides are disclosed. The disclosure further provides methods of making a DKP, including (1) contacting albumin with an enzyme (such as a dipeptidyl peptidase IV (DPP-IV)) that cleaves a pair of N- terminal amino acids from the albumin, and (2 heating the albumin under conditions effective to cause the formation of the DKP. Further, treatment of DKP- and albumin- containing streams to produce improved, higher value, DKP compositions and purified albumin compositions for therapeutic uses is also disclosed. In addition to a first therapeutic DKP composition comprising a low albumin content, a second valuable therapeutic composition is also produced characterized by a high albumin concentration.
    • 公开了在蛋白质和肽的药物组合物中增加量的二酮哌嗪(DKP)如DA-DKP的方法。 本公开进一步提供制备DKP的方法,其包括(1)使白蛋白与从白蛋白切割一对N-末端氨基酸的酶(例如二肽基肽酶IV(DPP-IV))接触,和(2加热 此外,还公开了有效引起DKP形成的白蛋白,此外,还公开了治疗DKP和含有白蛋白的流以产生改善的,更高价值的DKP组合物和用于治疗用途的纯化白蛋白组合物,除了第一种治疗 还含有白蛋白含量低的DKP组合物,第二有价值的治疗组合物的特征在于白蛋白浓度高。