PROBLEM TO BE SOLVED: To provide a monoclonal antibody preparation. The present invention provides a formulation comprising: (i) a monoclonal antibody; and (ii) an ionic excipient; the monoclonal antibody is about 50 mg / ml or more (eg, about 50 mg / ml to about 200 mg). It is present at a concentration of (/ ml), the ionic excipient is present at a concentration of about 50-about 150 mM, and the formulation has a pH of 5.5-6.5. It is a preparation, and i. Monoclonal antibodies; and ii. The monoclonal antibody is present at a concentration of about 50 mg / ml or more, the ionic excipient is present at a concentration of about 50 to about 150 mM, and the formulation is 5.5 to 7 containing an ionic excipient; Formulations with a pH of .5 are provided. [Selection diagram] None【課題】モノクローナル抗体製剤の提供。【解決手段】本発明は:(i)モノクローナル抗体;および(ii)イオン性賦形剤;を含む製剤を提供し、このモノクローナル抗体は約50mg/ml以上(例えば、約50mg/ml~約200mg/ml)の濃度で存在し、このイオン性賦形剤は約50~約150mMの濃度で存在し、この製剤は5.5~6.5のpHを有する。製剤であって、i.モノクローナル抗体;およびii.イオン性賦形剤;を含み、前記モノクローナル抗体が約50mg/ml以上の濃度で存在し、前記イオン性賦形剤が約50~約150mMの濃度で存在し、前記製剤が5.5~7.5のpHを有する、製剤が提供される。【選択図】なし