The impact of glucocorticoid use on the outcomes of rheumatoid arthritis in a multicenter ultrasound cohort study.
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Nonaka Fumiaki, Fukui Shoichi, Michitsuji Tohru, Endo Yushiro, Nishino Ayako, Shimizu Toshimasa, Umeda Masataka, Sumiyoshi Remi, Koga Tomohiro, Iwamoto Naoki, Origuchi Tomoki, Ueki Yukitaka, Eiraku Nobutaka, Suzuki Takahisa, Okada Akitomo, Matsuoka Naoki, Takaoka Hirokazu, Hamada Hiroaki, Tsuru Tomomi, Arinobu Yojiro, Hidaka Toshihiko, Fujikawa Keita, Yoshitama Tamami, Tada Yoshifumi, Ohtsubo Hideo, Ishizaki Jun, Asano Tomoyuki, Maeda Takahiro, Kawakami Atsushi, Kawashiri Shin-Ya
Аннотация
METHODS: We reviewed RA patients treated with b/tsDMARDs in a prospective multicenter ultrasound cohort study. We compared the differences in the clinical characteristics at baseline and outcomes at 12 months between the two groups having been treated with and without glucocorticoids at baseline. The differences in the clinical characteristics and the treatments were balanced by the inverse probability weighting (IPW) with the propensity score.
RESULTS: Of 307 patients with RA, 160 patients were treated with glucocorticoids at baseline. The median dose of glucocorticoids was equivalent to 5.0 mg/day of prednisolone. Significant differences were in age and concomitant methotrexate use, composite measures for the disease activity, and the ultrasound grayscale score at baseline. Patients treated with glucocorticoids had less frequent remissions defined by composite measures and ultrasound findings than those treated without glucocorticoids. These significant differences in the achievement of remissions remained robust even after adjusting differences in the clinical characteristics and the treatments between the two groups by IPW.
CONCLUSION: RA patients treated with glucocorticoids had a higher disease activity at baseline and a poorer response to treatments with b/tsDMARDs than those without glucocorticoids. The states of patients requiring glucocorticoids might be associated with the poor response to the b/tsDMARDs.