Details of the Drug Combination

General Information of Drug Combination (ID: DCG2336)

• Drug Combination Name: Vandetanib + Letrozole
• Indication: Invasive ductal carcinoma; Status: Investigative [1]
• Component Drugs:
  Vandetanib (DMRICNP): Small molecular drug
  Letrozole (DMH07Y3): Small molecular drug
• High-throughput Screening Result:
  Testing Cell Line: BT-549
  Zero Interaction Potency (ZIP) Score: 2.36
  Bliss Independence Score: 7.86
  Loewe Additivity Score: 6.66
  LHighest Single Agent (HSA) Score: 4.99

Molecular Interaction Atlas of This Drug Combination

Indication(s) of Vandetanib

Disease Entry	ICD 11	Status	REF
Solid tumour/cancer	2A00-2F9Z	Approved	[2]

Vandetanib Interacts with 3 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Epidermal growth factor receptor (EGFR)	TTGKNB4	EGFR_HUMAN	Inhibitor	[5]
Proto-oncogene c-Ret (RET)	TT4DXQT	RET_HUMAN	Inhibitor	[5]
Vascular endothelial growth factor receptor 2 (KDR)	TTUTJGQ	VGFR2_HUMAN	Inhibitor	[5]

Vandetanib Interacts with 3 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
Breast cancer resistance protein (ABCG2)	DTI7UX6	ABCG2_HUMAN	Substrate	[6]
Organic anion transporting polypeptide 1B1 (SLCO1B1)	DT3D8F0	SO1B1_HUMAN	Substrate	[7]
Organic anion transporting polypeptide 1B3 (SLCO1B3)	DT9C1TS	SO1B3_HUMAN	Substrate	[7]

Vandetanib Interacts with 1 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	DE4LYSA	CP3A4_HUMAN	Metabolism	[8]

Vandetanib Interacts with 22 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Procollagen-lysine,2-oxoglutarate 5-dioxygenase 2 (PLOD2)	OTKOZRZP	PLOD2_HUMAN	Increases Expression	[9]
Stearoyl-CoA desaturase (SCD)	OTB1073G	SCD_HUMAN	Increases Expression	[9]
Insulin-induced gene 1 protein (INSIG1)	OTZF5X1D	INSI1_HUMAN	Increases Expression	[9]
BCL2/adenovirus E1B 19 kDa protein-interacting protein 3-like (BNIP3L)	OTJKOMXE	BNI3L_HUMAN	Increases Expression	[9]
Protein FAM13A (FAM13A)	OTZ6GN0Q	FA13A_HUMAN	Increases Expression	[9]
Phosphoglycerate kinase 1 (PGK1)	OT6V1ICH	PGK1_HUMAN	Increases Expression	[9]
Calbindin (CALB1)	OTM7IXDG	CALB1_HUMAN	Increases Expression	[9]
Prothymosin alpha (PTMA)	OT2W4T1M	PTMA_HUMAN	Decreases Expression	[9]
Trypsin-2 (PRSS2)	OTOMVUWL	TRY2_HUMAN	Increases Expression	[9]
Gamma-enolase (ENO2)	OTRODL0T	ENOG_HUMAN	Increases Expression	[9]
Solute carrier family 2, facilitated glucose transporter member 3 (SLC2A3)	OT2HZK5M	GTR3_HUMAN	Increases Expression	[9]
Histone H1.2 (H1-2)	OT0AVI4M	H12_HUMAN	Increases Expression	[9]
DNA mismatch repair protein Msh3 (MSH3)	OTD3YPVL	MSH3_HUMAN	Decreases Expression	[9]
Pro-adrenomedullin (ADM)	OT7T0TA4	ADML_HUMAN	Increases Expression	[9]
Small ribosomal subunit protein eS6 (RPS6)	OTT4D1LN	RS6_HUMAN	Decreases Phosphorylation	[10]
Collagen alpha-3(IV) chain (COL4A3)	OT6SB8X5	CO4A3_HUMAN	Increases Expression	[9]
Solute carrier family 2, facilitated glucose transporter member 14 (SLC2A14)	OTBFIOVY	GTR14_HUMAN	Increases Expression	[9]
Protein NDRG1 (NDRG1)	OTVO66BO	NDRG1_HUMAN	Increases Expression	[9]
TSC22 domain family protein 3 (TSC22D3)	OT03UM03	T22D3_HUMAN	Increases Expression	[9]
Transcription factor SOX-17 (SOX17)	OT9H4WWE	SOX17_HUMAN	Decreases Localization	[11]
Hypoxia-inducible lipid droplet-associated protein (HILPDA)	OTEID3ZM	HLPDA_HUMAN	Increases Expression	[9]
Insulin-induced gene 2 protein (INSIG2)	OTX4VY51	INSI2_HUMAN	Increases Expression	[9]

Indication(s) of Letrozole

Disease Entry	ICD 11	Status	REF
Estrogen-receptor positive breast cancer	N.A.	Approved	[3]
Hormonally-responsive breast cancer	2C60-2C65	Approved	[4]

Letrozole Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Aromatase (CYP19A1)	TTSZLWK	CP19A_HUMAN	Inhibitor	[12]

Letrozole Interacts with 3 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	DE4LYSA	CP3A4_HUMAN	Metabolism	[13]
Aromatase (CYP19A1)	DEQX145	CP19A_HUMAN	Metabolism	[14]
Cytochrome P450 2A6 (CYP2A6)	DEJVYAZ	CP2A6_HUMAN	Metabolism	[15]

Letrozole Interacts with 7 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Adenylate kinase isoenzyme 1 (AK1)	OT614AR3	KAD1_HUMAN	Increases ADR	[16]
Follitropin subunit beta (FSHB)	OTGLS283	FSHB_HUMAN	Increases Expression	[17]
Lutropin subunit beta (LHB)	OT5GBOVJ	LSHB_HUMAN	Increases Expression	[17]
G1/S-specific cyclin-D2 (CCND2)	OTDULQF9	CCND2_HUMAN	Decreases Expression	[18]
Cyclin-dependent kinase inhibitor 1 (CDKN1A)	OTQWHCZE	CDN1A_HUMAN	Increases Expression	[19]
Small ribosomal subunit protein eS6 (RPS6)	OTT4D1LN	RS6_HUMAN	Decreases Phosphorylation	[18]
Fibroblast growth factor 22 (FGF22)	OTVIX6J0	FGF22_HUMAN	Increases Expression	[20]

Test Results of This Drug Combination in Other Disease Systems

Indication	DrugCom ID	Cell Line	Status	REF
Invasive ductal carcinoma	DCAT2GY	HS 578T	Investigative	[1]
Amelanotic melanoma	DC6OXI1	M14	Investigative	[21]
Amelanotic melanoma	DC1AQT8	MDA-MB-435	Investigative	[21]
Cutaneous melanoma	DCX4X0G	SK-MEL-5	Investigative	[21]
Cutaneous melanoma	DCAAN46	SK-MEL-28	Investigative	[21]
Glioma	DC9GV90	SF-268	Investigative	[21]
Non-small cell lung carcinoma	DCF5JU8	HOP-92	Investigative	[21]
Plasma cell myeloma	DCA0G8O	RPMI-8226	Investigative	[21]

References

• [1] CheMBL Affinity Phenotypic Cellular Interaction Assay ID: CHEMBL1126165
• [2] 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: 5717).
• [3] Letrozole FDA Label
• [4] 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: 5209).
• [5] A comparison of physicochemical property profiles of marketed oral drugs and orally bioavailable anti-cancer protein kinase inhibitors in clinical development. Curr Top Med Chem. 2007;7(14):1408-22.
• [6] Tyrosine kinase inhibitors and multidrug resistance proteins: interactions and biological consequences. Cancer Chemother Pharmacol. 2010 Jan;65(2):335-46.
• [7] Contribution of OATP1B1 and OATP1B3 to the disposition of sorafenib and sorafenib-glucuronide. Clin Cancer Res. 2013 Mar 15;19(6):1458-66.
• [8] FDA label of Vandetanib. The 2020 official website of the U.S. Food and Drug Administration.
• [9] ZD6474 inhibits tumor growth and intraperitoneal dissemination in a highly metastatic orthotopic gastric cancer model. Int J Cancer. 2006 Jan 15;118(2):483-9. doi: 10.1002/ijc.21340.
• [10] Autophagy inhibition induces enhanced proapoptotic effects of ZD6474 in glioblastoma. Br J Cancer. 2013 Jul 9;109(1):164-71. doi: 10.1038/bjc.2013.306. Epub 2013 Jun 25.
• [11] A high-throughput screen for teratogens using human pluripotent stem cells. Toxicol Sci. 2014 Jan;137(1):76-90. doi: 10.1093/toxsci/kft239. Epub 2013 Oct 23.
• [12] Aromatase inhibitors--theoretical concept and present experiences in the treatment of endometriosis. Zentralbl Gynakol. 2003 Jul-Aug;125(7-8):247-51.
• [13] Inhibition of drug metabolizing cytochrome P450s by the aromatase inhibitor drug letrozole and its major oxidative metabolite 4,4'-methanol-bisbenzonitrile in vitro. Cancer Chemother Pharmacol. 2009 Oct;64(5):867-75.
• [14] Double-blind, randomised, multicentre endocrine trial comparing two letrozole doses, in postmenopausal breast cancer patients. Eur J Cancer. 1999 Feb;35(2):208-13.
• [15] Letrozole concentration is associated with CYP2A6 variation but not with arthralgia in patients with breast cancer. Breast Cancer Res Treat. 2018 Nov;172(2):371-379.
• [16] ADReCS-Target: target profiles for aiding drug safety research and application. Nucleic Acids Res. 2018 Jan 4;46(D1):D911-D917. doi: 10.1093/nar/gkx899.
• [17] Aromatase inhibition, testosterone, and seizures. Epilepsy Behav. 2004 Apr;5(2):260-3. doi: 10.1016/j.yebeh.2003.12.001.
• [18] Dual inhibition of mTOR and estrogen receptor signaling in vitro induces cell death in models of breast cancer. Clin Cancer Res. 2005 Jul 15;11(14):5319-28. doi: 10.1158/1078-0432.CCR-04-2402.
• [19] Synergistic activity of letrozole and sorafenib on breast cancer cells. Breast Cancer Res Treat. 2010 Nov;124(1):79-88. doi: 10.1007/s10549-009-0714-5. Epub 2010 Jan 7.
• [20] Clomiphene citrate versus letrozole: molecular analysis of the endometrium in women with polycystic ovary syndrome. Fertil Steril. 2011 Oct;96(4):1051-6. doi: 10.1016/j.fertnstert.2011.07.1092.
• [21] CheMBL Affinity Phenotypic Cellular Interaction Assay ID: CHEMBL1125976