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  • Title: Levetiracetam as monotherapy for seizures in a neonate with acute lymphoblastic leukemia.
    Author: Ledet DS, Wheless JW, Rubnitz JE, Brannon Morris E.
    Journal: Eur J Paediatr Neurol; 2010 Jan; 14(1):78-9. PubMed ID: 19186085.
    Abstract:
    Congenital acute lymphoblastic leukemia (ALL) is a relatively rare disorder that is characterized by frequent central nervous system involvement that may increase the risk for seizures. Appropriate choice of anticonvulsant therapy with respect to ongoing oncologic treatment is not established in this age group. We report the case of a neonate with ALL who was successfully treated for seizures with levetiracetam monotherapy. This full-term boy did well until 3 days of age when he had an episode of left extremity jerking (07/06/07). Computed tomography of the head demonstrated extensive multifocal intraparenchymal hemorrhages. Initial EEG demonstrated multifocal epileptiform activity. Patient was loaded with Phenobarbital at 20 mg/kg. Complete blood count revealed leukocytosis (78 x 103/mm(3)). Peripheral blood smear contained blastocytes and DNA analysis confirmed B-cell ALL. A second focal seizure was reported on the same day and he was re-loaded with Phenobarbital. Maintenance dosing of Phenobarbital was initiated and no further seizures were noted. A repeat EEG on 7/10/07 remained abnormal with excessive multifocal sharp waves. Continuation of anticonvulsant therapy was recommended. Given concern for interaction between Phenobarbital and planned chemotherapy regimen, oncology requested a non-enzyme inducing anticonvulsant. Phenobarbital was subsequently weaned and Levetiracetam monotherapy initiated at 40 mg/kg/day (07/10/2007). Currently, the patient is seizure free at 8 months of age on Levetiracetam monotherapy. The use of Levetiracetam as monotherapy in neonates has not been formally evaluated and experience is limited. We report the successful use of levetiracetam monotherapy after Phenobarbital load in a neonate with leukemia and localization-related epilepsy.
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