Article
Impact of the CYP2D6 genotype on the clinical effects of metoprolol: a prospective longitudinal study.
Clinical pharmacology and therapeutics - 1 Mar 2009
Rau T, Wuttke H, Michels L M, Werner U, Bergmann K, Kreft M, Fromm M F, Eschenhagen T
Abstract excerpt
After administration of metoprolol, plasma concentrations of the drug are markedly higher in CYP2D6 poor metabolizers (PMs) than in non-PMs. In a prospective double-blind 3-month study, we investigated whether this translates into differences in metoprolol's effects after initiation of therapy. Despite administering equal doses to PMs and non-PMs, metoprolol plasma concentrations were 4.9-fold higher in the PM...
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