Fenfluramine for Lennox-Gastaut Syndrome: Long-Term Efficacy, Safety, and Outcomes Beyond Seizure Reduction

From Neurology: Disease Deep Dive · 12:02

Show by Practical Neurology

How quickly does fenfluramine improve seizure control in patients with Lennox-Gastaut syndrome (LGS), and how do its efficacy and safety outcomes evolve over time? In this episode, Amélie Lothe, PhD, Global Medical Head, Rare Epilepsies and Neurodevelopmental Disorders, UCB, and coauthor of a recent study published in Epilepsia Open, discusses findings from a post hoc analysis of a phase 3 fenfluramine clinical trial and its open-label extension. Source: Nabbout R, Devinsky O, Lagae L, et al. Changes in effectiveness and safety in patients with Lennox-Gastaut syndrome transitioning from the fenfluramine randomized controlled trial to open-label extension study. Epilepsia Open. 2026 Oct;11:1871-1879. doi: 10.1002/epi4.70320.

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