General Information of Drug (ID: DMLB0EZ)

Drug Name
Tamoxifen Drug Info
Synonyms
tamoxifen; 10540-29-1; trans-Tamoxifen; Crisafeno; Soltamox; Tamoxifene; Diemon; Tamoxifenum; Tamoxifeno; Tamizam; Istubol; Tamoxen; Citofen; Oncomox; Valodex; Retaxim; Tamoxifene [INN-French]; Tamoxifenum [INN-Latin]; Tamoxifeno [INN-Spanish]; Tamoxifen (Z); Tamoxifen and its salts; Tamoxifen [INN:BAN]; ICI-46474; ICI 47699; TRANS FORM OF TAMOXIFEN; CCRIS 3275; UNII-094ZI81Y45; HSDB 6782; CHEMBL83; EINECS 234-118-0; 1-p-beta-Dimethylaminoethoxyphenyl-trans-1,2-diphenylbut-1-ene; Citofen; Nourytam; Novaldex; Tamone; Tamoxifeno;Tamoxifenum; Tomaxithen; Gen-Tamoxifen; Istubal (TN); Nolvadex (TN); Nolvadex-D; Novo-Tamoxifen; Pms-Tamoxifen; Tamoplex (TN); Tamoxifen (INN); Tamoxifen (TN); Trans-Tamoxifen; Valodex (TN); TAMOXIFEN (TAMOXIFEN CITRATE (54965-24-1)); Trans-2-[4-(1,2-Diphenyl-1-butenyl)phenoxy]-N,N-dimethylethylamine; (Z)-1-(p-Dimethylaminoethoxyphenyl)-1,2-diphenyl-1-butene; (Z)-2-(4-(1,2-Diphenyl-1-butenyl)phenoxy)-N,N-dimethylethanamine; (Z)-2-(4-(1,2-diphenylbut-1-enyl)phenoxy)-N,N-dimethylethanamine; (Z)-2-(para-(1,2-Diphenyl-1-butenyl)phenoxy)-N,N-dimethylamine (IUPAC); (Z)-2-[4-(1,2)-DIPHENYL-1-BUTENYL)-PHENOXY]-N,N-DIMETHYLETHANAMINE; (Z)-2-[p-(1,2-Diphenyl-1-butenyl)phenoxy]-N,N-dimethylethylamine; 1-p-beta-Dimethylamino-ethoxyphenyl-trans-1,2-diphenylbut-1-ene; 1-para-beta-Dimethylaminoethoxyphenyl-trans-1,2-diphenylbut-1-ene; 2-[4-[(Z)-1,2-diphenylbut-1-enyl]phenoxy]-N,N-dimethylethanamine; 2-{4-[(1Z)-1,2-diphenylbut-1-en-1-yl]phenoxy}-N,N-dimethylethanamine; Tamoxifen (Hormonal therapy); [3H]tamoxifen
Indication
Disease Entry ICD 11 Status REF
Breast cancer 2C60-2C65 Approved [1]
Inflammatory breast cancer 2C62 Approved [2]
Invasive ductal breast carcinoma Approved [2]
Therapeutic Class
Anticancer Agents
Cross-matching ID
PubChem CID
2733526
ChEBI ID
CHEBI:41774
CAS Number
CAS 10540-29-1
TTD Drug ID
DMLB0EZ
VARIDT Drug ID
DR00193
INTEDE Drug ID
DR1529
ACDINA Drug ID
D00650

Molecule(s) Related to This Drug


Drug Therapeutic Target (DTT)
DTT Name DTT ID UniProt ID MOA REF
Estrogen receptor (ESR) TTZAYWL ESR1_HUMAN Antagonist [3]

Drug Transporter (DTP)
DTP Name DTP ID UniProt ID Highest Status REF
Multidrug resistance-associated protein 7 (ABCC10) DTPS120 MRP7_HUMAN Approved [4]
Breast cancer resistance protein (ABCG2) DTI7UX6 ABCG2_HUMAN Approved [5]
P-glycoprotein 1 (ABCB1) DTUGYRD MDR1_HUMAN Approved [6]

Drug-Metabolizing Enzyme (DME)
DME Name DME ID UniProt ID Highest Status REF
Cytochrome P450 3A4 (CYP3A4) DE4LYSA CP3A4_HUMAN Approved [7]
Cytochrome P450 2E1 (CYP2E1) DEVDYN7 CP2E1_HUMAN Approved [8]
Cytochrome P450 2D6 (CYP2D6) DECB0K3 CP2D6_HUMAN Approved [9]
Cytochrome P450 2C9 (CYP2C9) DE5IED8 CP2C9_HUMAN Approved [10]
Cytochrome P450 1A1 (CYP1A1) DE6OQ3W CP1A1_HUMAN Approved [11]
UDP-glucuronosyltransferase 1A1 (UGT1A1) DEYGVN4 UD11_HUMAN Approved [12]
Mephenytoin 4-hydroxylase (CYP2C19) DEGTFWK CP2CJ_HUMAN Approved [13]
Cytochrome P450 2A6 (CYP2A6) DEJVYAZ CP2A6_HUMAN Approved [8]
Cytochrome P450 1A2 (CYP1A2) DEJGDUW CP1A2_HUMAN Approved [14]
Cytochrome P450 3A5 (CYP3A5) DEIBDNY CP3A5_HUMAN Approved [15]
Cytochrome P450 2B6 (CYP2B6) DEPKLMQ CP2B6_HUMAN Approved [16]
Cytochrome P450 3A7 (CYP3A7) DERD86B CP3A7_HUMAN Approved [17]
UDP-glucuronosyltransferase 2B7 (UGT2B7) DEB3CV1 UD2B7_HUMAN Approved [18]
Sulfotransferase 2A1 (SULT2A1) DE0P6LK ST2A1_HUMAN Approved []
Sulfotransferase 1A1 (SULT1A1) DEYWLRK ST1A1_HUMAN Approved [19]
UDP-glucuronosyltransferase 1A10 (UGT1A10) DEL5N6Y UD110_HUMAN Approved [20]
Thiopurine methyltransferase (TPMT) DEFQ8VO TPMT_HUMAN Approved [21]

The Expression Level of Molecule(s) in Normal Tissue of Major ADME-Related Organs

Molecule Molecule Type Gene Name Liver Colon Kidney Small Intestine
Estrogen receptor (ESR) DTT ESR1 3.728 3.17 4.897 4.505
P-glycoprotein 1 (ABCB1) DTP P-GP 7.009 6.988 7.442 8.135
Multidrug resistance-associated protein 7 (ABCC10) DTP MRP7 6.752 6.665 6.523 7.103
Breast cancer resistance protein (ABCG2) DTP BCRP 6.732 7.513 6.326 9.277
Sulfotransferase 1A1 (SULT1A1) DME SULT1A1 9.814 9.348 7.196 10.468
Cytochrome P450 2E1 (CYP2E1) DME CYP2E1 12.054 3.968 2.945 4.1
Cytochrome P450 2A6 (CYP2A6) DME CYP2A6 10.644 6.631 6.598 6.937
Cytochrome P450 1A2 (CYP1A2) DME CYP1A2 10.036 5.779 6.508 6.481
Cytochrome P450 3A5 (CYP3A5) DME CYP3A5 10.08 7.207 5.403 9.211
Mephenytoin 4-hydroxylase (CYP2C19) DME CYP2C19 7.867 5.142 5.52 7.08
Thiopurine methyltransferase (TPMT) DME TPMT 6.753 5.907 6.614 6.712
Cytochrome P450 2D6 (CYP2D6) DME CYP2D6 3.307 5.005 3.921 5.327
Cytochrome P450 1A1 (CYP1A1) DME CYP1A1 5.952 6.384 4.897 6.293
Cytochrome P450 2C9 (CYP2C9) DME CYP2C9 11.76 5.931 6.164 9.423
Cytochrome P450 3A4 (CYP3A4) DME CYP3A4 11.692 6.58 4.984 9.089
Molecule Expression Atlas in Normal Tissue of Major ADME-related organs

The Expression Level of Molecule(s) between Disease Section and Healthy Individual Tissue

The Studied Disease Breast cancer
ICD Disease Classification 2C60-2C65
Molecule Name Molecule Type Gene Name p-value Fold-Change Z-score
P-glycoprotein 1 (ABCB1) DTP P-GP 7.23E-01 -8.20E-02 -3.22E-01
Multidrug resistance-associated protein 7 (ABCC10) DTP MRP7 6.29E-01 6.44E-02 9.67E-02
Breast cancer resistance protein (ABCG2) DTP BCRP 9.93E-01 -1.09E-01 -5.77E-01
Sulfotransferase 1A1 (SULT1A1) DME SULT1A1 6.22E-02 1.64E-01 5.58E-01
UDP-glucuronosyltransferase 1A1 (UGT1A1) DME UGT1A1 7.69E-01 1.91E-02 5.45E-02
Cytochrome P450 2E1 (CYP2E1) DME CYP2E1 7.75E-01 -1.76E-01 -6.23E-01
Cytochrome P450 2B6 (CYP2B6) DME CYP2B6 3.97E-02 -1.72E-01 -9.29E-01
Cytochrome P450 2A6 (CYP2A6) DME CYP2A6 7.56E-01 -6.70E-02 -3.47E-01
Cytochrome P450 1A2 (CYP1A2) DME CYP1A2 9.96E-01 -7.53E-02 -5.68E-01
Cytochrome P450 3A5 (CYP3A5) DME CYP3A5 5.82E-01 -6.00E-02 -2.69E-01
Mephenytoin 4-hydroxylase (CYP2C19) DME CYP2C19 3.44E-01 -1.85E-01 -5.25E-01
Thiopurine methyltransferase (TPMT) DME TPMT 8.48E-01 -1.76E-01 -5.49E-01
Cytochrome P450 2D6 (CYP2D6) DME CYP2D6 7.95E-01 -7.47E-02 -2.45E-01
Cytochrome P450 1A1 (CYP1A1) DME CYP1A1 5.01E-01 -1.01E-02 -6.05E-02
Cytochrome P450 2C9 (CYP2C9) DME CYP2C9 9.09E-01 -9.26E-02 -3.68E-01
Cytochrome P450 3A4 (CYP3A4) DME CYP3A4 9.85E-01 2.24E-02 7.33E-02
Molecular Expression Atlas between Disease Section and Healthy Individual Tissue

References

1 URL: http://www.guidetopharmacology.org Nucleic Acids Res. 2015 Oct 12. pii: gkv1037. The IUPHAR/BPS Guide to PHARMACOLOGY in 2016: towards curated quantitative interactions between 1300 protein targets and 6000 ligands. (Ligand id: 1016).
2 Tamoxifen FDA Label
3 Modulators of vascular sex hormone receptors and their effects in estrogen-deficiency states associated with menopause. Recent Pat Cardiovasc Drug Discov. 2008 Nov;3(3):165-86.
4 Modulation of the ATPase and transport activities of broad-acting multidrug resistance factor ABCC10 (MRP7). Cancer Res. 2012 Dec 15;72(24):6457-67.
5 The phytoestrogen genistein enhances multidrug resistance in breast cancer cell lines by translational regulation of ABC transporters. Cancer Lett. 2016 Jun 28;376(1):165-72.
6 Mammalian drug efflux transporters of the ATP binding cassette (ABC) family in multidrug resistance: A review of the past decade. Cancer Lett. 2016 Jan 1;370(1):153-64.
7 Comprehensive evaluation of tamoxifen sequential biotransformation by the human cytochrome P450 system in vitro: prominent roles for CYP3A and CYP2D6. J Pharmacol Exp Ther. 2004 Sep;310(3):1062-75.
8 Genotoxicity of tamoxifen, tamoxifen epoxide and toremifene in human lymphoblastoid cells containing human cytochrome P450s. Carcinogenesis. 1994 Jan;15(1):5-9.
9 CYP2D6 polymorphisms and tamoxifen metabolism: clinical relevance. Curr Oncol Rep. 2010 Jan;12(1):7-15.
10 Tamoxifen inhibits cytochrome P450 2C9 activity in breast cancer patients. J Chemother. 2006 Aug;18(4):421-4.
11 Metabolism of tamoxifen by recombinant human cytochrome P450 enzymes: formation of the 4-hydroxy, 4'-hydroxy and N-desmethyl metabolites and isomerization of trans-4-hydroxytamoxifen. Drug Metab Dispos. 2002 Aug;30(8):869-74.
12 Functional significance of UDP-glucuronosyltransferase variants in the metabolism of active tamoxifen metabolites. Cancer Res. 2009 Mar 1;69(5):1892-900.
13 Cytochrome P450 pharmacogenetics and cancer. Oncogene. 2006 Mar 13;25(11):1679-91.
14 Endoxifen and other metabolites of tamoxifen inhibit human hydroxysteroid sulfotransferase 2A1 (hSULT2A1). Drug Metab Dispos. 2014 Nov;42(11):1843-50.
15 Polymorphisms in cytochrome P4503A5 (CYP3A5) may be associated with race and tumor characteristics, but not metabolism and side effects of tamoxifen in breast cancer patients. Cancer Lett. 2005 Jan 10;217(1):61-72.
16 Effect of tamoxifen on the enzymatic activity of human cytochrome CYP2B6. J Pharmacol Exp Ther. 2002 Jun;301(3):945-52.
17 Drug Interactions Flockhart Table
18 Metabolism and transport of tamoxifen in relation to its effectiveness: new perspectives on an ongoing controversy. Future Oncol. 2014 Jan;10(1):107-22.
19 Tamoxifen-induced adduct formation and cell stress in human endometrial glands. Drug Metab Dispos. 2010 Jan;38(1):200-7.
20 Glucuronidation of active tamoxifen metabolites by the human UDP glucuronosyltransferases. Drug Metab Dispos. 2007 Nov;35(11):2006-14.
21 Polymorphism of estrogen metabolism genes and cataract. Med Hypotheses. 2004;63(3):494-7.