d="p0005">Nerve excitability studies in Brown–Vialetto–Van Laere syndrome due to RFVT2 deficiency suggest that an increase in myelin permeability underlies the motor nerve dysfunction.
dd><dt class="label">•dt><dd>d="p0010">These abnormalities are partially reversed by riboflavin therapy.
dd><dt class="label">•dt><dd>d="p0015">Nerve excitability studies may be further developed in larger cohorts as a potential biomarker to identify treatment response.
dd>dl>