DrugDB00675 (Tamoxifen)
Interacting Gene/EnzymeCytochrome P450 2D6
Gene NameCYP2D6
UniProt IDP10635
Defining Change(s)
-1426C>TNot Available
-1235A>GNot Available
-1000G>ANot Available
100C>TNot Available
310G>TNot Available
746C>GNot Available
843T>GNot Available
1062A>GNot Available
1661G>CNot Available
2850C>TNot Available
3384A>CNot Available
3584G>ANot Available
3790C>TNot Available
4180G>CNot Available
4401C>TNot Available
4481G>ANot Available
Allele NameCYP2D6*69
Genotype(s)Not Available
Type(s)Effect Inferred
GroupsNon-functional CYP2D6
DescriptionPoor response to drug treatment, shorter time to relapse
  1. Gaedigk A, Frank D, Fuhr U: Identification of a novel non-functional CYP2D6 allele, CYP2D6*69, in a Caucasian poor metabolizer individual. Eur J Clin Pharmacol. 2009 Jan;65(1):97-100. doi: 10.1007/s00228-008-0559-6. Epub 2008 Sep 17. [PubMed:18797858 ]
  2. The Human Cytochrome P450 (CYP) Allele Nomenclature Database [Link]