Details of the Drug Combination

General Information of Drug Combination (ID: DCRH3X1)

• Drug Combination Name: DFN-15 + Digitoxin
• Indication: Pleural epithelioid mesothelioma; Status: Investigative [1]
• Component Drugs:
  DFN-15 (DM3BF9B): N.A.
  Digitoxin (DMWVIGP): Small molecular drug
• High-throughput Screening Result:
  Testing Cell Line: NCI-H226
  Zero Interaction Potency (ZIP) Score: 1.97
  Bliss Independence Score: 6.1
  Loewe Additivity Score: 8.04
  LHighest Single Agent (HSA) Score: 7.8

Molecular Interaction Atlas of This Drug Combination

Indication(s) of DFN-15

Disease Entry	ICD 11	Status	REF
Migraine	8A80	Phase 3	[2]

Indication(s) of Digitoxin

Disease Entry	ICD 11	Status	REF
Arrhythmia	BC9Z	Approved	[3]
Congestive cardiac insufficiency	BD1Z	Approved	[3]
Heart failure	BD10-BD13	Approved	[3]

Digitoxin Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Sodium/potassium-transporting ATPase (SPT ATPase)	TTQ38E9	AT1A1_HUMAN; AT1A2_HUMAN; AT1A3_HUMAN; AT1B1_HUMAN; AT1B2_HUMAN; AT1B3_HUMAN	Inhibitor	[4]

Digitoxin Interacts with 1 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
P-glycoprotein 1 (ABCB1)	DTUGYRD	MDR1_HUMAN	Substrate	[5]

Digitoxin Interacts with 3 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	DE4LYSA	CP3A4_HUMAN	Metabolism	[6]
UDP-glucuronosyltransferase 1A1 (UGT1A1)	DEYGVN4	UD11_HUMAN	Metabolism	[7]
Sulfotransferase 1A1 (SULT1A1)	DEYWLRK	ST1A1_HUMAN	Metabolism	[8]

Digitoxin Interacts with 11 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
ATP-dependent translocase ABCB1 (ABCB1)	OTEJROBO	MDR1_HUMAN	Increases Transport	[9]
Serine/threonine-protein kinase Chk1 (CHEK1)	OTTTI622	CHK1_HUMAN	Decreases Expression	[10]
Baculoviral IAP repeat-containing protein 5 (BIRC5)	OTILXZYL	BIRC5_HUMAN	Decreases Expression	[10]
Serine/threonine-protein kinase Chk2 (CHEK2)	OT8ZPCNS	CHK2_HUMAN	Decreases Expression	[10]
Interleukin-8 (CXCL8)	OTS7T5VH	IL8_HUMAN	Decreases Secretion	[11]
Tyrosine-protein phosphatase non-receptor type 6 (PTPN6)	OT33XNZM	PTN6_HUMAN	Increases Expression	[12]
Cyclin-dependent kinase inhibitor 1 (CDKN1A)	OTQWHCZE	CDN1A_HUMAN	Decreases Expression	[10]
Cyclin-dependent kinase inhibitor 1B (CDKN1B)	OTNY5LLZ	CDN1B_HUMAN	Decreases Expression	[10]
Phosphatidylinositol 3,4,5-trisphosphate 3-phosphatase and dual-specificity protein phosphatase PTEN (PTEN)	OTOWDUNT	PTEN_HUMAN	Increases Expression	[12]
Cytochrome c (CYCS)	OTBFALJD	CYC_HUMAN	Increases Expression	[10]
E3 SUMO-protein ligase PIAS3 (PIAS3)	OT3TWH9R	PIAS3_HUMAN	Increases Expression	[12]

References

• [1] CheMBL Affinity Phenotypic Cellular Interaction Assay ID: CHEMBL1125976
• [2] Clinical pipeline report, company report or official report of the Pharmaceutical Research and Manufacturers of America (PhRMA)
• [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: 6782).
• [4] Treatment of congestive heart failure--current status of use of digitoxin. Eur J Clin Invest. 2001;31 Suppl 2:10-7.
• [5] The association of ABCB1 polymorphisms and elevated serum digitoxin concentrations in geriatric patients. Eur J Clin Pharmacol. 2008 Apr;64(4):367-72.
• [6] Species differences in the toxicity and cytochrome P450 IIIA-dependent metabolism of digitoxin. Mol Pharmacol. 1991 Nov;40(5):859-67.
• [7] Use of a human liver microsome bank in drug glucuronidation studies. Toxicol In Vitro. 1991;5(5-6):559-62.
• [8] Hydroxysteroid sulfotransferase and a specific UDP-glucuronosyltransferase are involved in the metabolism of digitoxin in man. Naunyn Schmiedebergs Arch Pharmacol. 1992 Aug;346(2):226-33.
• [9] Heterogeneous transport of digitalis-like compounds by P-glycoprotein in vesicular and cellular assays. Toxicol In Vitro. 2016 Apr;32:138-45. doi: 10.1016/j.tiv.2015.12.009. Epub 2015 Dec 17.
• [10] Digitoxin and a synthetic monosaccharide analog inhibit cell viability in lung cancer cells. Toxicol Appl Pharmacol. 2012 Jan 1;258(1):51-60. doi: 10.1016/j.taap.2011.10.007. Epub 2011 Oct 18.
• [11] Digitoxin mimics gene therapy with CFTR and suppresses hypersecretion of IL-8 from cystic fibrosis lung epithelial cells. Proc Natl Acad Sci U S A. 2004 May 18;101(20):7693-8. doi: 10.1073/pnas.0402030101. Epub 2004 May 10.
• [12] Digitoxin promotes apoptosis and inhibits proliferation and migration by reducing HIF-1 and STAT3 in KRAS mutant human colon cancer cells. Chem Biol Interact. 2022 Jan 5;351:109729. doi: 10.1016/j.cbi.2021.109729. Epub 2021 Oct 28.