Maeda Y, Hirano T, Ebina K, Hara R, Hashimoto M, Yamamoto W, Murakami K, Kotani T, Hata K, Son Y, Amuro H, Onishi A, Jinno S, Katayama M, Kumanogoh A.　 Comparison of efficacy between anti-IL-6 receptor antibody and other biological disease-modifying antirheumatic drugs in the patients with rheumatoid arthritis who have knee joint involvement: the ANSWER cohort, retrospective study. Rheumatol Int. 2021;41(7):1233-1241.　

訳）膝関節に腫れのある関節リウマチ患者さんでは、他の生物学的製剤よりもIL-6阻害薬が奏功しやすいことを示しました。