Predicting antiepileptic drug response in children with epilepsy
Matti Sillanpää1, Dieter Schmidt
1Department of Public Health, University of Turku, Turku, Finland.
Insights
Predicting seizure remission in childhood epilepsy is crucial. Over 90% of idiopathic cases achieve remission, while complex epilepsies have lower remission rates, impacting treatment strategies.
Area of Science:
- Pediatric Neurology
- Clinical Epilepsy Research
Background:
- Accurate prediction of seizure remission in childhood epilepsy is vital for effective clinical management.
- Identifying factors that predict seizure freedom or medically intractable seizures guides treatment decisions.
Purpose of the Study:
- To summarize key factors that predict seizure remission in children with epilepsy treated with antiepileptic drugs (AEDs).
- To provide insights into expected remission rates based on epilepsy type and clinical presentation.
Main Methods:
- Review and synthesis of existing literature on factors influencing seizure remission in childhood-onset epilepsy.
- Analysis of remission rates based on epilepsy etiology, seizure characteristics, and treatment response.
Main Results:
- Sustained seizure remission is expected in over 90% of idiopathic childhood epilepsies and in neurologically normal children with infrequent seizures showing early treatment response.
- Even with symptomatic epilepsy, focal seizures, high frequency, clustering, or delayed response to initial therapy, up to 60% may achieve long-term remission.
- Remission rates are significantly lower, 30% or less, in catastrophic epilepsies of childhood.
Conclusions:
- Prognosis for seizure remission varies widely based on epilepsy classification and clinical features in children.
- Early identification of predictive factors can optimize therapeutic strategies and improve outcomes for children with epilepsy.
Abstract:
In clinical practice, after diagnosis and when treatment has begun, it is important to predict as soon as possible which children will become seizure-free and which are likely to develop medically intractable seizures. This article summarizes factors predicting seizure remission in childhood-onset epilepsy treated with antiepileptic drugs (AEDs). Sustained seizure remission can be expected in over 90% of idiopathic epilepsies of childhood and in neurologically normal children with epilepsy having infrequent seizures showing early remission after starting treatment with AEDs. Even in the presence of symptomatic etiology of epilepsy--focal seizures and syndromes; high seizure frequency prior to or during treatment; seizure clustering; and poor or delayed response to first adequate drug therapy--up to 60% of children with treated epilepsy are able to enter long-term remission. However, remission can be expected in only 30% or less of those with catastrophic epilepsies of childhood.
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