Quantification of Oxcarbazepine Using Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS).
Methods in molecular biology (Clifton, N.J.)(2024)
Abstract
Oxcarbazepine (Trileptal®) has been found effective in the treatment of tonic-clonic seizures and partial seizures with or without secondary generalization, with fewer side effects than traditional therapy. Oxcarbazepine is a keto analogue of carbamazepine. It is rapidly reduced to 10-monohydroxy carbamazepine (MHD), its active metabolite. This assay measures concentrations for oxcarbazepine metabolite (MHD), internal standard (MHD 13C6) solution is added to all the patient specimens resulting in precipitation of proteins. The analytes are separated using a Phenomenex Kinetex C18 column and are detected with a mass spectrophotometer utilizing multiple reaction monitoring (MRM). The analytes are qualitatively identified and quantitated from a calibration curve generated from calibrators included in the run.
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