ArticleEpilepsy currents2019
Medications for Early Life Epilepsy: Evidence Versus Experience?
Article in Epilepsy currents, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Comparative Effectiveness of Levetiracetam vs Phenobarbital for Infantile Epilepsy Grinspan ZM, Shellhaas RA, Coryell J, Sullivan JE, Wirrell EC, Mytinger JR, Gaillard WD, Kossoff EH, Valencia I, Knupp KG, Wusthoff C, Keator C, Ryan N, Loddenkemper T, Chu CJ, Novotny EJ Jr, Millichap J, Berg AT. JAMA Pediatr. 2018 Apr 1;172(4):352-360. doi: 10.1001/jamapediatrics.2017.5211. IMPORTANCE: More than half of infants with new-onset epilepsy have electroencephalographic and clinical features that do not conform to known electroclinical syndromes (ie, nonsyndromic epilepsy). Levetiracetam and phenobarbital are the most commonly prescribed medications for epilepsy in infants, but their comparative effectiveness is unknown.
objectiveTo compare the effectiveness of levetiracetam versus phenobarbital for nonsyndromic infantile epilepsy. DESIGN, SETTING, AND
participantsThe Early Life Epilepsy Study-a prospective, multicenter, observational cohort study conducted from March 1, 2012, to April 30, 2015, in 17 US medical centers-enrolled infants with nonsyndromic epilepsy and a first afebrile seizure between 1 month and 1 year of age. Exposures: Use of levetiracetam or phenobarbital as initial monotherapy within 1 year of the first seizure. Main Outcomes and Measures: The binary outcome was freedom from monotherapy failure at 6 months, defined as no second prescribed antiepileptic medication and freedom from seizures beginning within 3 months of initiation of treatment. Outcomes were adjusted for demographics, epilepsy characteristics, and neurologic history, as well as for observable selection bias using propensity score weighting and for within-center correlation using generalized estimating equations.
resultsOf the 155 infants in the study (81 girls and 74 boys; median age, 4.7 months [interquartile range, 3.0-7.1 months]), those treated with levetiracetam (n = 117) were older at the time of the first seizure than those treated with phenobarbital (n = 38; median age, 5.2 months [interquartile range, 3.5-8.2 months] vs 3.0 months [interquartile range, 2.0-4.4 months]; P < .001). There were no other significant bivariate differences. Infants treated with levetiracetam were free from monotherapy failure more often than those treated with phenobarbital (47 [40.2%] vs 6 [15.8%]; P = .01). The superiority of levetiracetam over phenobarbital persisted after adjusting for covariates, observable selection bias, and within-center correlation (odds ratio, 4.2; 95% confidence interval [CI], 1.1-16; number needed to treat, 3.5 [95% CI, 1.7-60]). CONCLUSIONS AND RELEVANCE: Levetiracetam may have superior effectiveness compared to phenobarbital for initial monotherapy of nonsyndromic epilepsy in infants. If 100 infants who received phenobarbital were instead treated with levetiracetam, 44 would be free from monotherapy failure instead of 16 by the estimates in this study. Randomized clinical trials are necessary to confirm these findings.
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