(S) -4-Hydroxy mephenytoin is a metabolite derived from the stereoselective metabolism of mephenytoin. Mephenytoin, an anticonvulsant, is the CYP2C19 and CYP2B6 substrate.
References:
[1]. Klaassen T, Jetter A, Tomalik-Scharte D, et al. Assessment of urinary mephenytoin metrics to phenotype for CYP2C19 and CYP2B6 activity. Eur J Clin Pharmacol. 2008;64(4):387-398.
References:
[1]. Klaassen T, Jetter A, Tomalik-Scharte D, et al. Assessment of urinary mephenytoin metrics to phenotype for CYP2C19 and CYP2B6 activity. Eur J Clin Pharmacol. 2008;64(4):387-398.
















