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Updated: Apr 30, 2026
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Electrophoretic Delivery of γ-aminobutyric Acid GABA into Epileptic Focus Prevents Seizures in Mice
Published on: May 16, 2019
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Pharmacotherapy for tonic-clonic seizures
Sylvain Rheims1, Philippe Ryvlin
1Hospices Civils de Lyon and CRNL, INSERM U1028, CNRS 5292 , Unité 301, Hôpital Neurologique, 59 Bd Pinel, 69003, Lyon , France sylvain.rheims@chu-lyon.fr.
Expert Opinion on Pharmacotherapy
|May 7, 2014
Summary
Generalized tonic-clonic seizures (GTCS) are a major risk in epilepsy. Treatment varies by epilepsy type, with specific antiepileptic drugs (AEDs) recommended for primary GTCS (pGTCS) and secondary GTCS (sGTCS).
Area of Science:
- Neurology
- Epileptology
- Pharmacology
Background:
- Generalized tonic-clonic seizures (GTCS) represent a significant risk factor for complications and comorbidities in epilepsy patients.
- Preventing GTCS is crucial for managing both idiopathic generalized epilepsies and focal epilepsies.
Purpose of the Study:
- To review the efficacy of antiepileptic drugs (AEDs) in managing primary GTCS (pGTCS) and secondary GTCS (sGTCS).
- To provide guidance on AED selection based on epilepsy syndrome and seizure type.
Main Methods:
- Review of existing evidence on AED efficacy across different epilepsy syndromes.
- Analysis of AED effectiveness specifically for pGTCS versus sGTCS.
Main Results:
- AED efficacy varies; some drugs are effective for sGTCS but may worsen pGTCS.
- Valproic acid, lamotrigine, levetiracetam, and topiramate are supported for pGTCS.
- For sGTCS, AEDs approved for focal epilepsies can be considered.
Conclusions:
- Further research is needed on the comparative efficacy of AEDs for both pGTCS and sGTCS.
- Valproic acid is effective for idiopathic generalized epilepsies but carries safety concerns for women of childbearing age.
- Lacosamide, perampanel, and topiramate show promise for sGTCS, with efficacy demonstrated against placebo.
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