Problem to be solved: to provide a method for treating a disease with an antibody binding to the colony stimulating factor 1 receptor (csf1r).A method in which the effective amount of antibodies binding to colony stimulating factor 1 (csf1r) is administered to a human subject with rheumatoid arthritis and between the effective dose of 0.2 mg / kg to 10 mg / kg, or between 1 and 10 mg / kg, or between 1 and 5 mg / kg.No selection【課題】コロニー刺激因子1受容体(CSF1R)に結合する抗体で疾患を治療する方法の提供。【解決手段】コロニー刺激因子1(CSF1R)に結合する抗体の有効量を関節リウマチを有するヒト被験者に投与し、有効量が0.2mg/kgから10mg/kgの間、又は1から10mg/kgの間、又は1から5mg/kgの間である、方法。【選択図】なし