Table 1.

CYP2D6 polymorphisms and the enzyme activity [33,34,35].

No-Function Alleles	Decreased-Function Alleles	Normal-Function Alleles	Increased-Function Alleles
*3, *4, *4xN, *5, *6, *7, *8, *11, *12, *36, *40, *42, and *56	*9, *10, *17, *29, *41, *44, and *49	*2, *35, *43, and *45	*1xN, *2xN