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. 1991 Apr 19;565(1-2):482-7.
doi: 10.1016/0378-4347(91)80414-8.

High-performance liquid chromatographic method for the determination of toremifene and its major human metabolites

L K Webster  1 , N A Crinis, K H Stokes, J F Bishop
Affiliations

High-performance liquid chromatographic method for the determination of toremifene and its major human metabolites

L K Webster et al. J Chromatogr. .

Abstract

A high-performance liquid chromatographic method has been developed for the measurement of toremifene and its major human metabolites in plasma and urine. We have simplified other published methods, such that our assay uses protein precipitation in place of organic extraction, and ultraviolet detection instead of photochemical activation followed by fluorescence detection. In a stability study toremifene and metabolites remained unchanged for up to seven weeks at -70 degrees C. This simple and specific assay allowed toremifene and three metabolites to be quantitated for pharmacokinetic analyses in a high-dose Phase I trial.

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