[发明专利]GLP－1类似物融合蛋白质制剂

摘要

本发明提供稳定溶液制剂，其包含GLP－1－Fc融合体，pH在约pH6至约pH8.5之间。与特定IgG4－Fc衍生物融合的类似物。当与pH在上述范围之外的GLP－1－Fc融合体相比时，这些制剂提供出乎意料的、相当高的化学稳定性。包含GLP－1－Fc融合体的制剂可用于治疗治疗糖尿病、肥胖、肠易激综合征以及通过降低血浆葡萄糖、抑制胃和/或肠运动、抑制胃和/或肠排空，或抑制食物摄入而受益的其他疾病。

主权项

1.稳定溶液制剂，其包含治疗有效量的GLP-1-Fc融合体，pH在约pH6至约pH8.5之间，其中GLP-1-Fc融合体包含含有选自如下序列的GLP-1类似物：a)(SEQ ID NO：1)His-Xaa8-Glu-Gly-Thr-Phe-Thr-Ser-Asp-Val-Ser-Ser-Tyr-Leu-Glu-Glu-Gln-Ala-Ala-Lys-Glu-Phe-Ile-Ala-Trp-Leu-Val-Lys-Gly-Gly-Gly其中Xaa8选自Gly和Val；b)(SEQ ID NO：2)His-Xaa8-Glu-Gly-Thr-Phe-Thr-Ser-Asp-Val-Ser-Ser-Tyr-Leu-Glu-Glu-Gln-Ala-Ala-Lys-Glu-Phe-Ile-Ala-Trp-Leu-Lys-Asn-Gly-Gly-Gly其中Xaa8选自Gly和Val；c)(SEQ ID NO：3)His-Xaa8-Glu-Gly-Thr-Phe-Thr-Ser-Asp-Val-Ser-Ser-Tyr-Leu-Glu-Glu-Gln-Ala-Ala-Lys-Glu-Phe-Ile-Ala-Trp-Leu-Val-Lys-Gly-Gly-Pro其中Xaa8选自Gly和Val；d)(SEQ ID NO：4)His-Xaa8-Glu-Gly-Thr-Phe-Thr-Ser-Asp-Val-Ser-Ser-Tyr-Leu-Glu-Glu-Gln-Ala-Ala-Lys-Glu-Phe-Ile-Ala-Trp-Leu-Lys-Asn-Gly-Gly-Pro其中Xaa8选自Gly和Val；e)(SEQ ID NO：5)His-Xaa8-Glu-Gly-Thr-Phe-Thr-Ser-Asp-Val-Ser-Ser-Tyr-Leu-Glu-Glu-Gln-Ala-Ala-Lys-Glu-Phe-Ile-Ala-Trp-Leu-Val-Lys-Gly-Gly其中Xaa8选自Gly和Val；f)(SEQ ID NO：6)His-Xaa8-Glu-Gly-Thr-Phe-Thr-Ser-Asp-Val-Ser-Ser-Tyr-Leu-Glu-Glu-Gln-Ala-Ala-Lys-Glu-Phe-Ile-Ala-Trp-Leu-Lys-Asn-Gly-Gly其中Xaa8选自Gly和Val；所述GLP-1类似物与包含SEQ ID NO：7序列的免疫球蛋白Fc部分融合Ala-Glu-Ser-Lys-Tyr-Gly-Pro-Pro-Cys-Pro-Pro-Cys-Pro-Ala-Pro-Xaa16-Xaa17-Xaa18-Gly-Gly-Pro-Ser-Val-Phe-Leu-Phe-Pro-Pro-Lys-Pro-Lys-Asp-Thr-Leu-Met-Ile-Ser-Arg-Thr-Pro-Glu-Val-Thr-Cys-Val-Val-Val-Asp-Val-Ser-Gln-Glu-Asp-Pro-Glu-Val-Gln-Phe-Asn-Trp-Tyr-Val-Asp-Gly-Val-Glu-Val-His-Asn-Ala-Lys-Thr-Lys-Pro-Arg-Glu-Glu-Gln-Phe-Xaa80-Ser-Thr-Tyr-Arg-Val-Val-Ser-Val-Leu-Thr-Val-Leu-His-Gln-Asp-Trp-Leu-Asn-Gly-Lys-Glu-Tyr-Lys-Cys-Lys-Val-Ser-Asn-Lys-Gly-Leu-Pro-Ser-Ser-Ile-Glu-Lys-Thr-Ile-Ser-Lys-Ala-Lys-Gly-Gln-Pro-Arg-Glu-Pro-Gln-Val-Tyr-Thr-Leu-Pro-Pro-Ser-Gln-Glu-Glu-Met-Thr-Lys-Asn-Gln-Val-Ser-Leu-Thr-Cys-Leu-Val-Lys-Gly-Phe-Tyr-Pro-Ser-Asp-Ile-Ala-Val-Glu-Trp-Glu-Ser-Asn-Gly-Gln-Pro-Glu-Asn-Asn-Tyr-Lys-Thr-Thr-Pro-Pro-Val-Leu-Asp-Ser-Asp-Gly-Ser-Phe-Phe-Leu-Tyr-Ser-Arg-Leu-Thr-Val-Asp-Lys-Ser-Arg-Trp-Gln-Glu-Gly-Asn-Val-Phe-Ser-Cys-Ser-Val-Met-His-Glu-Ala-Leu-His-Asn-His-Tyr-Thr-Gln-Lys-Ser-Leu-Ser-Leu-Ser-Leu-Gly-Xaa230(SEQ ID NO：7)其中：第16位的Xaa为Pro或Glu；第17位的Xaa为Phe、Val或Ala；第18位的Xaa为Leu、Glu或Ala；第80位的Xaa为Asn或Ala；以及第230位的Xaa为Lys或缺失。