Ryu Watanabe, Kosuke Ebina, Takaho Gon, Tadashi Okano, Koichi Murata, Kosaku Murakami, Yuichi Maeda, Sadao Jinno, Iku Shirasugi, Yonsu Son, Hideki Amuro, Masaki Katayama, Ryota Hara, Kenichiro Hata, Ayaka Yoshikawa, Wataru Yamamoto, Shotaro Tachibana, Shinya Hayashi, Yuki Etani, Masao Katsushima, Kazuo Fukumoto, Shinsuke Yamada, Motomu Hashimoto
OBJECTIVES: To investigate the predictive factors for difficult-to-treat rheumatoid arthritis (D2T RA) and assess the efficacy of biological disease-modifying antirheumatic drugs (bDMARDs) and Janus kinase inhibitors (JAKi). METHODS: Retrospective analysis was conducted on data from the ANSWER cohort comprising 3,623 RA patients treated with bDMARDs or JAKi in Japan. Multivariate Cox proportional hazards modelling was used to analyse the hazard ratios (HRs) for treatment retention...
May 9, 2024: Rheumatology