Determination of vigabatrin in human plasma and urine by high-performance liquid chromatography with UV-Vis detection


Cetin S., Atmaca S.

JOURNAL OF CHROMATOGRAPHY A, cilt.1031, ss.237-242, 2004 (SCI İndekslerine Giren Dergi) identifier identifier identifier

  • Cilt numarası: 1031
  • Basım Tarihi: 2004
  • Doi Numarası: 10.1016/j.chroma.2003.11.020
  • Dergi Adı: JOURNAL OF CHROMATOGRAPHY A
  • Sayfa Sayıları: ss.237-242

Özet

A simple and reliable high-performance liquid chromatographic (HPLC) method with UV-Vis detection has been developed and validated for the determination of vigabatrin (VG) in human plasma and urine. The samples were pre-column derivatizated with 1,2-naphthoquinone-4-sulphonic acid sodium salt (NQS). A good chromatographic separation was achieved on a C-18 column with a mobile phase consisting of acetonitrile and 10 mM orthophosphoric acid (pH 2.5) gradient elution. Tranexamic acid was used as an internal standard (I.S.). The method was linear over the concentration range of 0.8-30.0 mug/ml for both samples. The method is precise (relative standard deviation (R.S.D.) <9.13%) and accurate (relative mean error (RME) less than or equal to 8.75%); analytical recoveries were 81.07% for plasma and 83.05% for urine. The assay was applied to pharmacokinetic study in a healthy volunteer after a single oral administration of 1 g of vigabatrin. (C) 2003 Elsevier B.V. All rights reserved.