Epilepsia
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Randomized Controlled Trial Multicenter Study
Stable dosages of clobazam for Lennox-Gastaut syndrome are associated with sustained drop-seizure and total-seizure improvements over 3 years.
To determine long-term safety and efficacy of adjunctive clobazam for patients with Lennox-Gastaut syndrome (LGS). ⋯ In this largest and longest-running trial in LGS, adjunctive clobazam sustained seizure freedom and substantial seizure improvements at stable dosages through 3 years of therapy in this difficult- to-treat patient population. A PowerPoint slide summarizing this article is available for download in the Supporting Information section here.
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Epilepsy is a phenotypically and genetically highly heterogeneous disorder with >200 genes linked to inherited forms of the disease. To identify the underlying genetic cause in a patient with intractable seizures, optic atrophy, severe intellectual disability (ID), brain abnormalities, and muscular hypotonia, we performed exome sequencing in a 5-year-old girl and her unaffected parents. In the patient, we detected a novel, de novo missense mutation in the SCN2A (c.5645G>T; p. ⋯ Using this approach, we expand the phenotypic spectrum of SCN2A mutations. Our own and literature data indicate that SCN2A-linked severe phenotypes are more likely to be caused by de novo mutations. A PowerPoint slide summarizing this article is available for download in the Supporting Information section here.