March 9, 2026 · Arthritis & rheumatology (Hoboken, N.J.) · DOI: 10.1002/art.70125

Biological/targeted synthetic DMARDs do not arrest bone loss in patients with rheumatoid arthritis: a long-term multicenter observational study

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This study aimed to investigate the long-term effects of biologic or targeted synthetic disease-modifying antirheumatic drugs (b/tsDMARDs) on bone mineral density (BMD) in patients with rheumatoid arthritis (RA). Despite improvements in clinical disease activity, the findings revealed that b/tsDMARDs did not prevent the progression of osteoporosis, as BMD decreased significantly in patients not receiving osteoporosis treatment, highlighting the need to address osteoporosis independently from RA management.

Takafumi Aritomi, Koshiro Sonomoto, Shingo Nakayamada, Hiroaki Tanaka, Atsushi Nagayasu, Satoshi Kubo, Ippei Miyagawa, Ayako Yamaguchi, Naoaki Ohkubo, Yasuyuki Todoroki, Yurie Satoh-Kanda, Masanobu Ueno, Ryuichiro Kanda, Yuya Fujita, Masashi Funada, Hidenori Sakai, Satsuki Matsunaga, Hiroaki Tanaka, Masayuki Shinojima, Hiroki Kawamura, Kazuki Takahashi, Miyabi Ando, Kazuki Haru, Yusuke Miyazaki, Kentaro Hanami, Masao Nawata, Shunsuke Fukuyo, Keisuke Nakatsuka, Mikiko Tokunaga, Kazuyoshi Saito, Yoshiya Tanaka

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