Pharmacokinetics and safety of a phenytoin prodrug given i.v. or i.m. in patients.

Leppik, I E; Boucher, B A; Wilder, B J; Murthy, V S; Watridge, C; Graves, N M; Rangel, R J; Rask, C A et al. · Neurology · 1990

case_series · Level IV

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Abstract

ACC-9653, a prodrug of phenytoin synthesized to be water soluble, is converted to phenytoin by phosphatases. In this study, 43 patients received ACC-9653 IV or IM. Side effects were transient and minor. The conversion half-lives of ACC-9653 after intravenous and intramuscular administration averaged 8.4 and 32.7 minutes, respectively. Peak phenytoin concentrations occurred 42 minutes after IV and 151 minutes after IM administration.

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