Urinary methamphetamine concentration following famprofazone administration.

Y Yoo, H Chung, H Choi

Index: J. Anal. Toxicol. 18(5) , 265-8, (1994)

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Abstract

A 37-year-old man had a considerable concentration of methamphetamine in his urine, but he denied taking any abused drug. It was found that he took a pain killer that contains famprofazone, a relatively strong analgesic whose metabolites include methamphetamine and amphetamine. The human urinary metabolism of famprofazone was investigated. Immunoassay was used as a preliminary test, and gas chromatography with flame-ionization detection and gas chromatography-mass spectrometry were used for quantitation and confirmation.