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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

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Nicot, G. et al.

Simultaneous plasma determination of floctafenin and its major metabolites by high-performance liquid chromatography: preliminary observations in children.

An isocratic reversed-phase ion-pair liquid chromatography with UV detection at 350 nm for the determination in human plasma of floctafenin (F) and its three main metabolites--floctafenic acid (FA), hydroxyfloctafenin (HOF), and hydroxyfloctafenic acid (HOFA)--is reported. Analytes and internal standard were extracted from acid plasma into ethyl acetate, and this organic phase was evaporated to dryness. This extraction yielded plasma drug recoveries of greater than 72%. Using 1 ml of plasma, the lower quantification limit was 0.05 microgram ml-1 with excellent linearity up to 0.8 microgram ml-1 for HOF and HOFA and up to 4.0 micrograms ml-1 for F and FA. The reproducibility and the selectivity of the method for several drugs thought likely to be administered in conjunction with F, were demonstrated. This method has been successfully applied to a pharmacokinetic study with a single 10 mg kg-1 oral dose in ten children.[1]

References

Simultaneous plasma determination of floctafenin and its major metabolites by high-performance liquid chromatography: preliminary observations in children. Nicot, G., Lachatre, G., Terrier, G., Gonnet, C., Rocca, J.L., Desroches, R., Lansade, A. Therapeutic drug monitoring. (1989) [Pubmed]

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