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Published on: May 16, 2019
Vigabatrin for partial-onset seizure treatment in patients with tuberous sclerosis complex
Daniel Friedman1, Miles Bogner, Kimberly Parker-Menzer
1Comprehensive Epilepsy Center, NYU Langone Medical Center, New York, NY 10016, USA. Daniel.Friedman@nyumc.org
Insights
Vigabatrin (VGB) offers a safe option for tuberous sclerosis complex (TSC) patients with difficult-to-treat partial-onset seizures. While not all patients achieve seizure freedom, many experience significant seizure reduction with VGB.
Area of Science:
- Neurology
- Clinical Pharmacology
Background:
- Tuberous sclerosis complex (TSC) frequently presents with treatment-resistant epilepsy, particularly partial-onset seizures.
- Vigabatrin (VGB) is established for infantile spasms in TSC but its role in other seizure types is less defined.
Purpose of the Study:
- To evaluate the efficacy and tolerability of Vigabatrin (VGB) in TSC patients experiencing refractory partial-onset seizures.
- To assess seizure reduction and adverse events associated with VGB use in this specific patient population.
Main Methods:
- Retrospective cohort study of 49 TSC patients with treatment-resistant seizures.
- Data collected from 1997 to 2010, focusing on seizure outcomes and adverse effects of VGB.
Main Results:
- 24.5% of patients achieved seizure freedom or >90% seizure reduction with VGB.
- Only one patient discontinued VGB due to sedation; 21 stopped due to lack of efficacy.
- VGB demonstrated a favorable safety profile in this cohort.
Conclusions:
- Vigabatrin (VGB) may be a safe and effective adjunctive therapy for refractory partial-onset seizures in tuberous sclerosis complex (TSC) patients.
- Further prospective studies are warranted to confirm these findings and optimize VGB use in TSC epilepsy.
Abstract:
Vigabatrin (VGB) has been shown to be particularly effective in the treatment of infantile spasms for those with tuberous sclerosis complex (TSC). However, many patients with TSC continue to have treatment-resistant seizures. For many patients with TSC, partial-onset seizures are prominent. Therefore, we examined the efficacy and tolerability of VGB for treatment of refractory partial-onset seizures. We performed a retrospective cohort study on 49 TSC patients with treatment-resistant seen at our center from 1997 to 2010, examined seizure outcomes, and reported adverse effects. We found that 13 (24.5%) patients became seizure-free or experienced a >90% decrease in seizure episode frequency with the addition of VGB to their regimens. Only one patient stopped VGB use because of excess sedation. The remaining 21 patients discontinued VGB use because of lack of efficacy. We conclude that VGB may be a safe and effective treatment in TSC patients with refractory partial-onset seizures.
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