Neuromyelitis optica spectrum disorder (NMOSD) is a rare autoimmune condition for which three treatments have been approved since 2019: eculizumab, inebilizumab, and satralizumab. We conducted a survey of U.S. academic neuroimmunologists to assess adoption of these therapies and barriers to use. Thirty-three neuroimmunologists from 18 states completed the survey. Nearly all (88 %) reported using the novel NMOSD treatments (NNTs). They uncommonly switched clinically stable patients to NNTs (69 % switched none, 22 % switched 1-25 % of their patients). For newly diagnosed patients, NNT initiation rates varied. Following relapse, respondents were dichotomized, either switching 75-100 % of patients (60 %) or 0-25 % (40 %). Insurance and cost-related barriers were common.
Keywords: Eculizumab; Inebilizumab; NMOSD; Neuromyelitis optica spectrum disorders; Satralizumab.
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