A high-performance liquid chromatographic method for the determination of encainide and its major metabolites in urine and serum using solid-phase extraction.


A high-performance liquid chromatography (HPLC) procedure used to quantitate encainide and two of its active metabolites, O-desmethylencainide (ODE) and 3-methoxy-O-desmethylencainide (MODE), is described. All three compounds were simultaneously extracted from urine and serum using an octyl (C-8) solid-phase extraction column. The compounds were then… (More)


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