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Pregabalin: preliminary experience in intractable childhood epilepsy

Journal title
Pediatric neurology
Publication year
2009
Author(s)
Jan, M. M.; Zuberi, S. A.; Alsaihati, B. A.
Pages
347-50
Volume
40
Number
5

Pregabalin is a new antiepileptic drug that acts at presynaptic calcium channels, modulating neurotransmitter release. We report on treating consecutive children with severe drug-resistant epilepsy in a prospective, open-label, add-on trial. Nineteen children (63% male) aged 4-15 years (mean, 9.7; S.D., 2.9) were included. Most (74%) had daily seizures that failed multiple drugs (mean, 5). Epilepsy was symptomatic in 58%, and 74% exhibited associated cognitive deficits. Seizures were mixed in nine (47%), and four (21%) manifested Lennox-Gastaut syndrome. Pregabalin was maintained at 150-300 mg/day. On pregabalin, one (6%) child became seizure-free, and seven (37%) had >50% seizure reduction. The percentage of children with daily seizures was reduced from 74% before pregabalin to 37% afterward (P < 0.002). Side effects were evident in six (32%) with somnolence, weight gain, dizziness, or behavioral change. The drug was withdrawn in five (26%) children for lack of efficacy, and in two (11%) for worsening of myoclonic epilepsy. We conclude that pregabalin is a useful addition in the treatment of refractory childhood epilepsy. The drug should be used with caution in myoclonic epilepsy. Controlled studies are needed to establish long-term efficacy and tolerability.

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