Details of the Drug Combination

General Information of Drug Combination (ID: DCITS02)

• Drug Combination Name: Estramustine + Ixabepilone
• Indication: Large cell lung carcinoma; Status: Investigative [1]
• Component Drugs:
  Estramustine (DMWTAOI): Small molecular drug
  Ixabepilone (DM2OZ3G): Small molecular drug
• High-throughput Screening Result:
  Testing Cell Line: NCI-H460
  Zero Interaction Potency (ZIP) Score: 0.93
  Bliss Independence Score: 0.13
  Loewe Additivity Score: 0.56
  LHighest Single Agent (HSA) Score: 1.95

Molecular Interaction Atlas of This Drug Combination

Indication(s) of Estramustine

Disease Entry	ICD 11	Status	REF
Prostate cancer	2C82.0	Approved	[2]

Estramustine Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Estramustine binding protein (EMBP)	TTSBFYK	NOUNIPROTAC	Binder	[5]

Estramustine Interacts with 1 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	DE4LYSA	CP3A4_HUMAN	Metabolism	[6]

Estramustine Interacts with 1 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Keratin, type I cytoskeletal 18 (KRT18)	OTVLQFIP	K1C18_HUMAN	Increases Expression	[7]

Indication(s) of Ixabepilone

Disease Entry	ICD 11	Status	REF
Breast cancer	2C60-2C65	Approved	[3]
Breast carcinoma	N.A.	Approved	[4]

Ixabepilone Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Tubulin (TUB)	TTML2WA	NOUNIPROTAC	Stablizer	[8]

Ixabepilone Interacts with 1 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
P-glycoprotein 1 (ABCB1)	DTUGYRD	MDR1_HUMAN	Substrate	[9]

Ixabepilone Interacts with 1 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	DE4LYSA	CP3A4_HUMAN	Metabolism	[10]

Test Results of This Drug Combination in Other Disease Systems

Indication	DrugCom ID	Cell Line	Status	REF
Plasma cell myeloma	DCPJA4U	RPMI-8226	Investigative	[11]

References

• [1] CheMBL Affinity Phenotypic Cellular Interaction Assay ID: CHEMBL1125976
• [2] Natural products as sources of new drugs over the last 25 years. J Nat Prod. 2007 Mar;70(3):461-77.
• [3] 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: 6824).
• [4] Ixabepilone FDA Label
• [5] Estramustine binding protein in primary tumours and metastases of malignant melanoma. Melanoma Res. 1994 Dec;4(6):401-5.
• [6] Activity of docetaxel with or without estramustine phosphate versus mitoxantrone in androgen dependent and independent human prostate cancer xenografts. J Urol. 2003 May;169(5):1729-34.
• [7] Docetaxel induces apoptosis in hormone refractory prostate carcinomas during multiple treatment cycles. Br J Cancer. 2006 Jun 5;94(11):1592-8. doi: 10.1038/sj.bjc.6603129.
• [8] Mullard A: 2010 FDA drug approvals. Nat Rev Drug Discov. 2011 Feb;10(2):82-5.
• [9] Ixabepilone, a novel microtubule-targeting agent for breast cancer, is a substrate for P-glycoprotein (P-gp/MDR1/ABCB1) but not breast cancer resistance protein (BCRP/ABCG2). J Pharmacol Exp Ther. 2011 May;337(2):423-32.
• [10] The effect of ketoconazole on the pharmacokinetics and pharmacodynamics of ixabepilone: a first in class epothilone B analogue in late-phase clinical development. Clin Cancer Res. 2008 May 1;14(9):2701-9.
• [11] CheMBL Affinity Phenotypic Cellular Interaction Assay ID: CHEMBL1125966