PROBLEM TO BE SOLVED: To provide a bone formation promoter that makes it easy to fill the whole of an administration target site with the bone formation promoter reliably.SOLUTION: A bone formation promoter comprises a self-assembly peptide and water, is capable of reversible sol-gel transition under the condition of 20°C-40°C, and has pH of 5.0-8.0.COPYRIGHT: (C)2015,JPO&INPIT【課題】投与対象部位全体への確実な骨形成促進材の充填が容易である骨形成促進材を提供すること。【解決手段】自己組織化ペプチドと水とを含み、20℃~40℃の条件下で可逆的にゾル-ゲル転移可能であり、pHが5.0~8.0である、骨形成促進材。【選択図】なし