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- Yumiko Nakamura, Masayuki Ueda, Satoshi Kodama, Tomohiko Kimura, Yuichiro Shirota, Masashi Hamada, Hiroyuki Ishiura, Takahiro Iizuka, and Tatsushi Toda.
- Department of Neurology, Graduate School of Medicine, The University of Tokyo, Japan.
- Intern. Med. 2024 Apr 23.
AbstractA 35-year-old woman with no prior history of epilepsy developed status epilepticus (SE), which was highly resistant to multiple antiseizure medications and sedatives. The etiology of SE was not identified despite extensive investigation, and the patient was diagnosed with cryptogenic new-onset refractory status epilepticus (C-NORSE). Although first-line immunotherapies such as high-dose corticosteroids and plasma exchange were ineffective, the patient manifested a resolution of SE after the administration of tocilizumab, which inhibits interleukin-6. Non-antibody-mediated inflammation has been hypothesized to be a probable pathophysiology of C-NORSE in recent studies, and tocilizumab may be a plausible second-line treatment.
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