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Related Experiment Video

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High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities
12:33

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Published on: November 15, 2013

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[Not Available].

Danièle Bentué-Ferrer1, Olivier Tribut1, Marie-Clemence Verdier1

  • 1Laboratoire de Pharmacologie Biologique, CHU Pontchaillou, Rennes, France.

Therapie
|July 10, 2016
PubMed
Summary

Therapeutic drug monitoring (TDM) for vigabatrin, an anticonvulsant, is not recommended. Its mechanism of action and pharmacokinetics do not support TDM, rendering it largely useless for optimizing patient treatment.

Area of Science:

  • Pharmacology
  • Neuroscience

Context:

  • Vigabatrin, a GABA analogue and second-generation anticonvulsant, has been available since 1995.
  • The active S(+)-enantiomer is crucial, despite racemic formulation.
  • Its irreversible enzymatic inhibition mechanism and pharmacokinetic profile are key considerations.

Purpose:

  • To evaluate the utility of therapeutic drug monitoring (TDM) for vigabatrin.
  • To determine if TDM can optimize vigabatrin treatment based on its pharmacological properties.

Summary:

  • Vigabatrin's irreversible enzymatic inhibition and pharmacokinetic characteristics (no plasma protein binding, low metabolism, no CYP interactions) do not favor TDM.
  • No validated therapeutic range exists; recommended doses yield wide plasma concentrations (0.8–36 mg/L).
  • The evidence supporting the benefit of TDM for vigabatrin was assessed as insufficient.
Keywords:
suivi thérapeutique pharmacologiquetherapeutic drug monitoringvigabatrin

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Impact:

  • This assessment suggests TDM is not a valuable tool for vigabatrin therapy.
  • Clinical practice guidelines may not require TDM for vigabatrin dosing.
  • Further research may be needed to confirm the lack of TDM utility.