Details of the Drug Combination

General Information of Drug Combination (ID: DCICHEL)

• Drug Combination Name: Efaproxyn + ABT-263
• Indication: Ewing sarcoma; Status: Investigative [1]
• Component Drugs:
  Efaproxyn (DMX7BM4): Small molecular drug
  ABT-263 (DMNE56X): Small molecular drug
• High-throughput Screening Result:
  Testing Cell Line: TC-71
  Zero Interaction Potency (ZIP) Score: 11.356
  Bliss Independence Score: 16.635
  Loewe Additivity Score: 8.624
  LHighest Single Agent (HSA) Score: 9.505

Molecular Interaction Atlas of This Drug Combination

Indication(s) of Efaproxyn

Disease Entry	ICD 11	Status	REF
Lung cancer	2C25.0	Phase 3	[2]

Efaproxyn Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Hemoglobin (HB)	TTQO71U	HBA_HUMAN	Inhibitor	[6]

Indication(s) of ABT-263

Disease Entry	ICD 11	Status	REF
Myelofibrosis	2A20.2	Phase 3	[3]
Relapsed or refractory chronic lymphocytic leukaemia	2A82.0	Phase 2	[4]
Solid tumour/cancer	2A00-2F9Z	Discontinued in Phase 2	[5]

ABT-263 Interacts with 4 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Apoptosis regulator Bcl-W (BCL-W)	TTQ79W8	B2CL2_HUMAN	Inhibitor	[7]
G1/S-specific cyclin-D1 (CCND1)	TTFCJ7S	CCND1_HUMAN	Inhibitor	[8]
Apoptosis regulator Bcl-2 (BCL-2)	TTJGNVC	BCL2_HUMAN	Inhibitor	[7]
Apoptosis regulator Bcl-xL (BCL-xL)	TTU1E82	B2CL1_HUMAN	Inhibitor	[7]

ABT-263 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]

ABT-263 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]

ABT-263 Interacts with 6 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Baculoviral IAP repeat-containing protein 5 (BIRC5)	OTILXZYL	BIRC5_HUMAN	Decreases Expression	[11]
Gelsolin (GSN)	OT4KS2UU	GELS_HUMAN	Increases Cleavage	[12]
Poly polymerase 1 (PARP1)	OT310QSG	PARP1_HUMAN	Increases Cleavage	[11]
Caspase-3 (CASP3)	OTIJRBE7	CASP3_HUMAN	Increases Cleavage	[12]
Caspase-9 (CASP9)	OTD4RFFG	CASP9_HUMAN	Increases Cleavage	[12]
Serine/threonine-protein kinase mTOR (MTOR)	OTHH8KU7	MTOR_HUMAN	Affects Response To Substance	[11]

References

• [1] Recurrent recessive mutation in deoxyguanosine kinase causes idiopathic noncirrhotic portal hypertension.Hepatology. 2016 Jun;63(6):1977-86. doi: 10.1002/hep.28499. Epub 2016 Mar 31.
• [2] ClinicalTrials.gov (NCT00083304) Whole Brain Radiation Therapy With Oxygen, With or Without RSR13, in Women With Brain Metastases From Breast Cancer. U.S. National Institutes of Health.
• [3] ClinicalTrials.gov (NCT04472598) Study of Oral Navitoclax Tablet In Combination With Oral Ruxolitinib Tablet When Compared With Oral Ruxolitinib Tablet To Assess Change In Spleen Volume In Adult Participants With Myelofibrosis (TRANSFORM-1). U.S. National Institutes of Health.
• [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: 8319).
• [5] Small molecules, big targets: drug discovery faces the protein-protein interaction challenge.Nat Rev Drug Discov. 2016 Aug;15(8):533-50.
• [6] Increased oxygenation of intracranial tumors by efaproxyn (efaproxiral), an allosteric hemoglobin modifier: In vivo EPR oximetry study. Int J Radiat Oncol Biol Phys. 2005 Apr 1;61(5):1503-9.
• [7] Clinical pipeline report, company report or official report of Roche (2009).
• [8] Clinical pipeline report, company report or official report of the Pharmaceutical Research and Manufacturers of America (PhRMA)
• [9] The B-cell lymphoma 2 (BCL2)-inhibitors, ABT-737 and ABT-263, are substrates for P-glycoprotein. Biochem Biophys Res Commun. 2011 May 6;408(2):344-9.
• [10] Effect of rifampin on the pharmacokinetics, safety and tolerability of navitoclax (ABT-263), a dual inhibitor of Bcl-2 and Bcl-XL , in patients with cancer. J Clin Pharm Ther. 2014 Dec;39(6):680-4.
• [11] Human breast cancer cells display different sensitivities to ABT-263 based on the level of survivin. Toxicol In Vitro. 2018 Feb;46:229-236. doi: 10.1016/j.tiv.2017.09.023. Epub 2017 Sep 23.
• [12] BCL2/BCL-X(L) inhibition induces apoptosis, disrupts cellular calcium homeostasis, and prevents platelet activation. Blood. 2011 Jun 30;117(26):7145-54. doi: 10.1182/blood-2011-03-344812. Epub 2011 May 11.