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- Olivia Morgan and Brittny Medenwald.
- Department of Pharmacy and Drug Information, Grady Health Systems, Atlanta, GA, 30303, USA. ojohnson1@gmh.edu.
- Neurocrit Care. 2020 Feb 1; 32 (1): 131-134.
Background/ObjectiveLevetiracetam (LEV) is an antiepileptic drug used widely in patients with a favorable safety profile. Studies evaluating the safety and efficacy of intravenous (IV) LEV included volumes of at least 100 mL. Minimally diluted doses administered over 5-6 min were found to be both safe and effective. Given the complexities of admixing, this practice can be impractical and result in delays in antiepileptic therapy. This study aimed to retrospectively review the safety and tolerability of rapid administration of undiluted LEV doses ≤ 1000 mg.MethodsThis was a retrospective study evaluating adverse drug reactions associated with undiluted LEV from January 1, 2018-June 1, 2018. Patients were included if they received at least one dose of undiluted LEV and were ≥ 18 years old. Safety endpoints were reviewed and collected from the time administration until hospital discharge. Endpoints included injection site pain and discomfort, injection site erythema, extravasation, IV line replacement, and any documented adverse effect leading to IV LEV discontinuation. Descriptive statistics were used to analyze the data.ResultsA total of 199 patients were included in the study totaling 1626 doses of LEV. Most patients were administered LEV 1000 mg (60.8%), through a peripheral line (64.3%), and were prescribed LEV for seizure prophylaxis (58.3%). Patients received a mean of 8.1 ± 8 doses for a mean duration of therapy of 5 ± 4.5 days. About 98.5% of patients did not experience an adverse effect, whereas 1.5% of patients experienced agitation, delirium, confusion, and/or lethargy, which is well known to LEV therapy.ConclusionsRapid administration of undiluted LEV doses ≤ 1000 mg were well tolerated with no concentration-related side effects. Further prospective research is needed to confirm this observation as well as the safety of higher doses.
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