PROBLEM TO BE SOLVED: To provide a composition comprising a therapeutically effective amount of at least one peptide, polypeptide, analog or derivative thereof and a sufficient amount of at least one stabilizing agent to improve the stability of the peptide, polypeptide, an analog or derivative thereof.SOLUTION: The composition is provided that comprises, as the stabilizing agent, a medium chain fatty acid salt, an ester, an ether, or a derivative of a medium chain fatty acid having a carbon chain length of from about 4 to about 20 carbon atoms, or a surface active agent.SELECTED DRAWING: None【課題】治療上有効な量の少なくとも１種類のペプチド、ポリペプチド、またはその類似体もしくは誘導体、および該ペプチド、ポリペプチド、またはその類似体もしくは誘導体の安定性を向上させるために十分な量の少なくとも１種類の安定化剤を含む組成物の提供。【解決手段】約４～約２０炭素原子の炭素鎖長を有する中鎖脂肪酸塩、中鎖脂肪酸のエステル、中鎖脂肪酸のエーテル、または中鎖脂肪酸の誘導体であるか、または界面活性剤を安定化剤として含む該組成物。【選択図】なし
