Pharmacokinetics and Clinical Utility of Valproic Acid Administered via Continuous Infusion.

Abstract:

INTRODUCTION:Valproic acid is a versatile antiepileptic drug that is often used in the acute care setting. Intravenous valproic acid lends itself well to a continuous infusion as it exhibits a relatively short half-life. We evaluated the pharmacokinetics and clinical efficacy of continuous infusion valproic acid in hospitalized patients with migraine and seizures. METHODS:A retrospective cohort study was performed utilizing information from the medical records of patients receiving an intravenous continuous infusion of valproic acid. Patients were included if they were aged 1 month to 85 years and they received a continuous infusion of valproic acid. Therapeutic response, common adverse effects, and the pharmacokinetic profile of valproic acid were evaluated. RESULTS:Continuous infusion valproic acid led to a concentration within the desired range (50-100 μg/ml) in 83.4% of patients, a rate that was higher in pediatric patients. The clinical response rate was also higher in pediatric patients with seizures or migraines and appeared to be better when the concentration was >75 μg/ml. Analysis of safety parameters suggests similar safety considerations to valproic acid when administered via intermittent infusion. CONCLUSIONS:Continuous infusion valproic acid appears to be a safe, effective, and predictable manner by which to administer valproic acid to pediatric and adult patients admitted to the hospital.

journal_name

CNS Drugs

journal_title

CNS drugs

authors

Cook AM,Zafar MS,Mathias S,Stewart AM,Albuja AC,Bensalem-Owen M,Kapoor S,Baumann RJ

doi

10.1007/s40263-015-0304-5

subject

Has Abstract

pub_date

2016-01-01 00:00:00

pages

71-7

issue

1

eissn

1172-7047

issn

1179-1934

pii

10.1007/s40263-015-0304-5

journal_volume

30

pub_type

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