“ Imipramine , desipramine, mazindol, and GBR12909 competitively inhibited PROG 21-hydroxylation mediated by CYP2D4 and/or CYP2D6, and all psychotropic drugs inhibited ALLO 21-hydroxylation mediated by CYP2D4 and/or CYP2D6.”
“The inhibition constants (Ki values) of imipramine , desipramine, and mazindol against the 21-hydroxylation of PROG and ALLO by CYP2D6 were lower than those by CYP2D4.”