Japan MG registry: Chronological surveys over 10 years

Shigeaki Suzuki, Masayuki Masuda, Akiyuki Uzawa, Yuriko Nagane, Shingo Konno, Yasushi Suzuki, Tomoya Kubota, Takamichi Sugimoto, Makoto Samukawa, Genya Watanabe, Kei Ishizuchi, Hiroyuki Akamine, Yosuke Onishi, Kazuki Yoshizumi, Takafumi Uchi, Itaru Amino, Yuki Ueta, Naoya Minami, Naoki Kawaguchi, Takashi KimuraMasanori P. Takahashi, Hiroyuki Murai, Kimiaki Utsugisawa

研究成果: Review article査読

1 被引用数 (Scopus)

抄録

The primary purpose of the Japanese myasthenia gravis registry (JAMG-R) has been to research and promote high-quality medical care for MG patients in Japan. We reviewed the findings of surveys performed by JAMG-R over an ~10-y period. The first goal for favorable quality of life (QOL) is a status of minimal manifestations (MM) or better with an oral prednisolone (PSL) dose of 5 mg/d or less (MM-5 mg). Early and aggressive use of nonoral fast-acting treatment together with low-dose oral PSL (the “EFT strategy”) is recommended to reduce disease severity with minimal oral steroid use so that the MM-5 mg target can be met as soon as possible. We conducted the fourth largest multicenter survey ever in 2021, obtaining detailed clinical information from 1710 consecutive MG patients all over Japan, and compared the 2021 surveys with those from 2012 and 2015. The frequency of patients treated with EFT strategies showed a gradual increase, reaching 39% of the total MG patients in the 2021 survey. The current and maximum dose of PSL and the number of days at high-dose (>20 mg/d) PSL showed decreases. Survey results indicate that as EFT strategies have spread, the percentage of patients on MM-5 mg has increased. We again confirmed that MM-5 mg was associated with favorable QOL in the 2021 survey. Recent data regarding COVID-19 suggests that it did not seriously impact the MG population in Japan; unfortunately, refractory MG, observed in 21% of patients, is still an unresolved problem.

本文言語English
ジャーナルClinical and Experimental Neuroimmunology
DOI
出版ステータスAccepted/In press - 2022

ASJC Scopus subject areas

  • 神経科学(その他)
  • 免疫学
  • 免疫学および微生物学(その他)
  • 臨床神経学

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