Transcranial Magnetic Stimulation as a Translational Biomarker in Early-Phase Anti-Seizure Medication Development: A Randomized, Double-Blind, Placebo-Controlled Study in Generalized Epilepsy.

Clin Pharmacol TherMay 13, 2026 (epub)
Clinical ResearchNeurologyPsychiatryOpen access

Catherine M E de Cuba, Titia Q Ruijs, Annika A de Goede et al.

✦ AI-curated · Sources linked

In 30 seconds

This randomized, double-blind, placebo-controlled study evaluated transcranial magnetic stimulation (TMS) as a biomarker for anti-seizure medication effects in patients with generalized epilepsy. The study found that levetiracetam significantly reduced motor-evoked potential amplitude and enhanced long-interval intracortical inhibition, with larger effects observed in levetiracetam-naïve patients, indicating TMS-derived endpoints may serve as valuable biomarkers in early-phase drug development.

Key findings

  • Levetiracetam significantly reduced motor-evoked potential amplitude and enhanced long-interval intracortical inhibition.
  • Larger effect sizes were observed in levetiracetam-naïve patients compared to those already on the medication.
  • TMS-EEG revealed distinct modulation patterns in TMS-evoked potential components between patient groups.

Why it matters

The study highlights the potential of TMS-derived biomarkers to assess the pharmacodynamic effects of anti-seizure medications, which could facilitate the development of new treatments for epilepsy, particularly in treatment-resistant cases.

Source

PubMed · PMID 42129973Free full text on PubMed Central

Published in Clin Pharmacol Ther. This summary was written by xxcode from the publication's abstract and metadata. It is not peer reviewed and is not a substitute for the original article. For clinical decisions, review the original publication.

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