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Published on: May 16, 2019
Sulthiame add-on therapy for epilepsy
Philip Milburn-McNulty1, Graham Powell, Graeme J Sills
1The Walton Centre for Neurology & Neurosurgery NHS Foundation Trust, Lower Lane, Fazakerley, Liverpool, UK, L9 7LJ.
Sulthiame may help stop seizures in West syndrome when added to pyridoxine. However, the evidence is limited due to a small, biased study, and more research is needed for other epilepsies.
Area of Science:
- Neurology
- Clinical Pharmacology
- Evidence Synthesis
Background:
- Epilepsy affects many, with 30% unresponsive to standard treatments.
- Sulthiame is an antiepileptic drug used in Europe and Israel.
- This review summarizes evidence for sulthiame as add-on therapy.
Purpose of the Study:
- To evaluate sulthiame's efficacy as add-on therapy.
- To compare sulthiame's side-effect profile against placebo or other drugs.
Main Methods:
- Searched Cochrane Epilepsy Group, CENTRAL, MEDLINE, ClinicalTrials.gov, WHO ICTRP.
- Included randomized controlled add-on trials of sulthiame for any epilepsy type.
- Assessed seizure frequency reduction, cessation, withdrawal time, and adverse effects.
Main Results:
- One trial (37 participants) with new-onset West syndrome was included.
- Sulthiame as add-on to pyridoxine showed a risk ratio of 0.71 for seizure cessation.
- Insufficient data prevented analysis of withdrawal, adverse effects, or quality of life.
Conclusions:
- Sulthiame may aid seizure cessation in West syndrome when combined with pyridoxine.
- The single study's small size and bias limit the evidence's impact.
- Further large, multi-center trials are essential for sulthiame's use in epilepsy.
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