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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Martinc, Bostjan Roskar, Robert Grabnar, Iztok Vovk, Tomaz |
| Description | Country affiliation: Slovenia Author Affiliation: Martinc B ( Faculty of Pharmacy, University of Ljubljana, Askerceva cesta 7, 1000 Ljubljana, Slovenia.); Roskar R ( Faculty of Pharmacy, University of Ljubljana, Askerceva cesta 7, 1000 Ljubljana, Slovenia.); Grabnar I ( Faculty of Pharmacy, University of Ljubljana, Askerceva cesta 7, 1000 Ljubljana, Slovenia.); Vovk T ( Faculty of Pharmacy, University of Ljubljana, Askerceva cesta 7, 1000 Ljubljana, Slovenia. Electronic address: tomaz.vovk@ffa.uni-lj.si.) |
| Abstract | Therapeutic drug monitoring (TDM) of antiepileptic drugs (AEDs) has been recognized as a useful tool in management of epilepsy. We developed a simple analytical method for simultaneous determination of four second generation AEDs, including gabapentin (GBP), pregabalin (PGB), vigabatrin (VGB), and topiramate (TOP). Analytes were extracted from human plasma using universal solid phase extraction, derivatized with 4-chloro-7-nitrobenzofurazan (NBD-Cl) and analyzed by HPLC with fluorescence detection. Using mass spectrometry we confirmed that NBD-Cl reacts with sulfamate group of TOP similarly as with amine group of the other three analytes. The method is linear (r(2)>0.998) across investigated analytical ranges (0.375-30.0µg/mL for GBP, PGB, and VGB; 0.50-20.0µg/mL for TOP). Intraday and interday precision do not exceed 9.40%. The accuracy is from 95.6% to 106%. The recovery is higher than 80.6%, and the lower limit of quantification is at least 0.5µg/mL. The method is selective and robust. For TOP determination the method was compared to a previously published method and the results obtained by the two methods were in good agreement. The developed method is suitable for routine TDM. |
| File Format | HTM / HTML |
| ISSN | 15700232 |
| Volume Number | 962 |
| e-ISSN | 1873376X |
| Journal | Journal of Chromatography B |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2014-07-01 |
| Publisher Place | Netherlands |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Analytical Chemistry Amines Blood Anticonvulsants Cyclohexanecarboxylic Acids Fructose Analogs & Derivatives Vigabatrin Gamma-aminobutyric Acid Chromatography, High Pressure Liquid Methods Drug Monitoring Fluorescence Humans Limit Of Detection Pregabalin Solid Phase Extraction Journal Article Research Support, Non-u.s. Gov't Validation Studies |
| Content Type | Text |
| Resource Type | Article |
| Subject | Cell Biology Medicine Analytical Chemistry Clinical Biochemistry Biochemistry |
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