・ICW9-1　Ryu Watanabe, Tadashi Okano, Shinsuke Yamada,,,,,,Motomu Hashimoto

　Drug retention of biologics or JAK inhibitors in patients with difficult-to-treat rheumatoid arthritis:
　Results from the ANSWER cohort

・ICW11-5　Ryu Watanabe, Kosaku Murakami,,,, Motomu Hashimoto

　Baseline ESR level predicts long-term inhibition of radiographic progression by tocilizumab: the KURAMA cohort