To provide a GLP-1 analogue long-acting prophylactic or therapeutic agent for diabetes, diabetic complications and/or obesity due to diabetes which provides an extended half-life of a GLP-1 analogue in the blood to prevent frequent administration, and is biodegradable and safe.
The present invention provides a conjugate obtained by binding, to a GLP-1 analogue into which a mercapto group is incorporated, water soluble hyaluronic acid modification product obtained by incorporating a substituent via an amide bond to the carboxyl group of glucuronic acid portion of hyaluronic acid as a derivative thereof, using a specific condensing agent in an aprotic polar solvent; and a prophylacitc or therapeutic agent having a durable blood glucose lowering effect for diabetes, diabetic complications or obesity.
提供一种GLP-1类似物长效预防或治疗糖尿病、糖尿病并发症和/或糖尿病所致肥胖症的药物,该药物可延长GLP-1类似物在血液中的半衰期,避免频繁给药,并且可
生物降解,安全可靠。
本发明提供了一种共轭物,该共轭物是通过在非沸腾极性溶剂中使用特定的
缩合剂,在透明质酸的
葡萄糖醛酸部分的羧基上通过酰胺键加入一个取代基而得到的
水溶性透明质酸修饰产品,作为其衍
生物,与加入了巯基的GLP-1类似物结合;以及一种对糖尿病、糖尿病并发症或肥胖症具有持久降血糖效果的亲和剂或治疗剂。