• C R Newey, N M Le, C Ahrens, P Sahota, and S Hantus.
• Department of Neurology, University of Missouri, 5 Hospital Drive, CE 540, Columbia, MO, 65211, USA. neweyc@health.missouri.edu.
• Neurocrit Care. 2017 Apr 1; 26 (2): 273-279.

BackgroundStatus epilepticus (SE) often does not respond to initial treatment. A second-line agent with a less established safety and efficacy profile is then required. This study examined the safety of intravenous (IV) lacosamide (LCM) in a critically ill population and obtained an estimate of effectiveness in patients with refractory SE on continuous video EEG monitoring (cEEG).MethodsRetrospective review of critically ill patients in SE on cEEG treated with IV LCM from June 2009 to April 2011.ResultsEighty-four patients in SE (43 F/41 M), mean age 59.6 years, were identified; and 59.5 % had nonconvulsive SE. The most common etiologies were ischemic and hemorrhagic strokes. There were no significant changes in serial blood pressure monitoring, PR prolongation, aspartate aminotransferase (AST), or creatinine pre- and post-LCM. There was a significant increase in alanine aminotransferase (ALT) from days 1-7 (p = 0.031). Fifty-one patients were LCM-naïve. In these patients, cessation of SE on cEEG after LCM occurred in 15.7, 25.5, 58.8, and 82.4 % by 4, 12, 24, and 48 h, respectively.ConclusionIV LCM appears safe short term in critically ill patients with SE. The retrospective estimate of effectiveness for LCM appears promising for management in SE. Prospective, randomized controlled studies are needed to better determine the role of LCM in treating SE.

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