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Pediatr Neurol. 2019 Dec;101:18-25. doi: 10.1016/j.pediatrneurol.2019.07.008. Epub 2019 Jul 23.

Preventive Antiepileptic Treatment in Tuberous Sclerosis Complex: A Long-Term, Prospective Trial.

Author information

1
Department of Child Neurology, Warsaw Medical University, Warsaw, Poland; Department of Neurology and Epileptology, The Children's Memorial Health Institute, Warsaw, Poland. Electronic address: sergiusz.jozwiak@gmail.com.
2
Department of Child Neurology, Warsaw Medical University, Warsaw, Poland.
3
Department of Neurology and Epileptology, The Children's Memorial Health Institute, Warsaw, Poland.
4
Department of Neurology and Epileptology, The Children's Memorial Health Institute, Warsaw, Poland; Transition Technologies, Warsaw, Poland.

Abstract

BACKGROUD:

Drug-resistant epilepsy is the main risk factor for future intellectual disability in patients with tuberous sclerosis complex. Clinical epileptic seizures are often preceded by electroencephalographic changes, which provide an opportunity for preventive treatment. We evaluated the neuropsychologic and epilepsy outcomes at school age in children with tuberous sclerosis complex who received preventive antiepileptic treatment in infancy.

METHODS:

We performed a prospective, nonrandomized clinical trial with 14 infants diagnosed with tuberous sclerosis complex in whom serial electroencephalographic recordings were performed and preventive treatment with vigabatrin initiated when active epileptic discharges were detected. An age-matched control group consisted of 31 infants with tuberous sclerosis complex in whom treatment with vigabatrin was given only after onset of clinical seizures. Results of clinical assessment of epilepsy and cognitive outcomes were analyzed.

RESULTS:

All patients in the preventive group (n = 14) and 25 of 31 patients in the standard treatment group were followed through minimum age five years, median 8.8 and 8.0 years in the preventive and standard groups, respectively. The median intelligence quotient was 94 for the preventive group when compared with 46 for the standard group (P < 0.03). Seven of 14 patients (50%) in the preventive group never had a clinical seizure when compared with one of 25 patients (5%) in the standard treatment group (P = 0.001).

CONCLUSIONS:

This study provides evidence that preventive antiepileptic treatment in infants with tuberous sclerosis complex improves long-term epilepsy control and cognitive outcome at school age.

KEYWORDS:

Developmental delay; Epilepsy; Prevention; Tuberous sclerosis complex

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