National registry of patients with Fukuyama congenital muscular dystrophy in Japan

Keiko Ishigaki, Chikoto Ihara, Harumasa Nakamura, Madoka Mori-Yoshimura, Kazushi Maruo, Mariko Taniguchi-Ikeda, En Kimura, Terumi Murakami, Takatoshi Sato, Tatsushi Toda, Hisanobu Kaiya, Makiko Osawa

研究成果: Article査読

6 被引用数 (Scopus)


Fukuyama congenital muscular dystrophy (FCMD) is the second most common form of muscular dystrophy in the Japanese population and is caused by mutations in the fukutin (FKTN) gene. In 2011, the Japan Muscular Dystrophy Association (JMDA) developed a nationwide registry of genetically confirmed patients with FCMD. We retrospectively reviewed the registry dataset of patients with FCMD to obtain data, including age, sex, developmental milestones, intellectual level, complications, and primary treatments. In total, 207 patients with FCMD (104 boys and 103 girls) were registered by the end of September 2013. Mean patient age at first registration was 8.1 ± 7.8 years (median, 6 years; range, 0–42 years). A homozygous 3-kb founder insertion mutation in the FKTN gene was present in 80% of registrants, whereas 20% had a compound heterozygous mutation. Sixty-nine patients (33%) had febrile seizures and/or epilepsy. Myopia was the most frequently detected abnormality (8.7%), followed by strabismus (5.9%). Overall, 16% of patients required respiratory support and this percentage increased with age. Cardiac dysfunction was detected in 16%, and dysphagia was observed in 22% of patients with FCMD. The FCMD patient registry is useful for clarifying the natural history of FCMD and recruiting patients for clinical trials.

ジャーナルNeuromuscular Disorders
出版ステータスPublished - 10-2018

All Science Journal Classification (ASJC) codes

  • 小児科学、周産期医学および子どもの健康
  • 神経学
  • 臨床神経学
  • 遺伝学(臨床)


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