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Determination of antiepileptics in breast milk with chromatographic methods
Ernestová, Viktoria ; Hložek, Tomáš (advisor) ; Kubíčková, Anna (referee)
The present thesis is devoted to the development of a new method for the determination of a selected group of antiepileptic drugs (brivaracetam, eslicarbazepine, felbamate, gabapentin, lacosamide, perampanel, pregabalin, rufinamide) in human breast milk. The rationale for identifying antiepileptic drugs in this rather complex matrix is to assess and optimize the use of these drugs in breastfeeding mothers to avoid unnecessary and risky exposure of infants. The aforementioned drugs have various undesirable side effects that can have a negative impact not only on the mother but also on the breastfed infant. The protein precipitation method using acetonitrile/methanol mixture was used for sample preparation. A method based on liquid chromatography with tandem mass detection was developed and tested for the determination of the concentrations of these drugs. In the course of testing, different chromatographic columns with different stationary phases were tested to achieve optimal separation conditions and experimental set-ups for the full range of antiepileptic drugs tested.The whole methodology will be subsequently validated according to the general guidelines for clinical and toxicological method validation according to international standards and its use in routine laboratory practice will be intended.
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