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Published in: CNS Drugs 9/2022

Open Access 01-09-2022 | Pharmacokinetics | Review Article

Benzodiazepines in the Management of Seizures and Status Epilepticus: A Review of Routes of Delivery, Pharmacokinetics, Efficacy, and Tolerability

Authors: Ricardo Kienitz, Lara Kay, Isabelle Beuchat, Sarah Gelhard, Sophie von Brauchitsch, Catrin Mann, Alexandra Lucaciu, Jan-Hendrik Schäfer, Kai Siebenbrodt, Johann-Philipp Zöllner, Susanne Schubert-Bast, Felix Rosenow, Adam Strzelczyk, Laurent M. Willems

Published in: CNS Drugs | Issue 9/2022

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Abstract

Status epilepticus (SE) is an acute, life-threatening medical condition that requires immediate, effective therapy. Therefore, the acute care of prolonged seizures and SE is a constant challenge for healthcare professionals, in both the pre-hospital and the in-hospital settings. Benzodiazepines (BZDs) are the first-line treatment for SE worldwide due to their efficacy, tolerability, and rapid onset of action. Although all BZDs act as allosteric modulators at the inhibitory gamma-aminobutyric acid (GABA)A receptor, the individual agents have different efficacy profiles and pharmacokinetic and pharmacodynamic properties, some of which differ significantly. The conventional BZDs clonazepam, diazepam, lorazepam and midazolam differ mainly in their durations of action and available routes of administration. In addition to the common intravenous, intramuscular and rectal administrations that have long been established in the acute treatment of SE, other administration routes for BZDs—such as intranasal administration—have been developed in recent years, with some preparations already commercially available. Most recently, the intrapulmonary administration of BZDs via an inhaler has been investigated. This narrative review provides an overview of the current knowledge on the efficacy and tolerability of different BZDs, with a focus on different routes of administration and therapeutic specificities for different patient groups, and offers an outlook on potential future drug developments for the treatment of prolonged seizures and SE.

Graphical Abstract

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Metadata
Title
Benzodiazepines in the Management of Seizures and Status Epilepticus: A Review of Routes of Delivery, Pharmacokinetics, Efficacy, and Tolerability
Authors
Ricardo Kienitz
Lara Kay
Isabelle Beuchat
Sarah Gelhard
Sophie von Brauchitsch
Catrin Mann
Alexandra Lucaciu
Jan-Hendrik Schäfer
Kai Siebenbrodt
Johann-Philipp Zöllner
Susanne Schubert-Bast
Felix Rosenow
Adam Strzelczyk
Laurent M. Willems
Publication date
01-09-2022
Publisher
Springer International Publishing
Published in
CNS Drugs / Issue 9/2022
Print ISSN: 1172-7047
Electronic ISSN: 1179-1934
DOI
https://doi.org/10.1007/s40263-022-00940-2

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