Details of the Drug Combination

General Information of Drug Combination (ID: DC2GBKX)

• Drug Combination Name: ABT-263 + YM155
• Indication: Ewing sarcoma; Status: Investigative [1]
• Component Drugs:
  ABT-263 (DMNE56X): Small molecular drug
  YM155 (DM5Q1W4): Small molecular drug
• High-throughput Screening Result:
  Testing Cell Line: TC-71
  Zero Interaction Potency (ZIP) Score: 18.53
  Bliss Independence Score: 21.694
  Loewe Additivity Score: 3.353
  LHighest Single Agent (HSA) Score: 5.306

Molecular Interaction Atlas of This Drug Combination

Indication(s) of ABT-263

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

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	[6]
G1/S-specific cyclin-D1 (CCND1)	TTFCJ7S	CCND1_HUMAN	Inhibitor	[7]
Apoptosis regulator Bcl-2 (BCL-2)	TTJGNVC	BCL2_HUMAN	Inhibitor	[6]
Apoptosis regulator Bcl-xL (BCL-xL)	TTU1E82	B2CL1_HUMAN	Inhibitor	[6]

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	[8]

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	[9]

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	[10]
Gelsolin (GSN)	OT4KS2UU	GELS_HUMAN	Increases Cleavage	[11]
Poly polymerase 1 (PARP1)	OT310QSG	PARP1_HUMAN	Increases Cleavage	[10]
Caspase-3 (CASP3)	OTIJRBE7	CASP3_HUMAN	Increases Cleavage	[11]
Caspase-9 (CASP9)	OTD4RFFG	CASP9_HUMAN	Increases Cleavage	[11]
Serine/threonine-protein kinase mTOR (MTOR)	OTHH8KU7	MTOR_HUMAN	Affects Response To Substance	[10]

Indication(s) of YM155

Disease Entry	ICD 11	Status	REF
Breast cancer	2C60-2C65	Phase 2	[5]
Non-hodgkin lymphoma	2B33.5	Phase 2	[5]

YM155 Interacts with 2 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
Organic cation transporter 2 (SLC22A2)	DT9IDPW	S22A2_HUMAN	Substrate	[12]
Organic cation transporter 1 (SLC22A1)	DTT79CX	S22A1_HUMAN	Substrate	[12]

YM155 Interacts with 16 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	[13]
Epidermal growth factor receptor (EGFR)	OTAPLO1S	EGFR_HUMAN	Decreases Phosphorylation	[14]
Poly polymerase 1 (PARP1)	OT310QSG	PARP1_HUMAN	Increases Cleavage	[15]
Mitogen-activated protein kinase 3 (MAPK3)	OTCYKGKO	MK03_HUMAN	Decreases Phosphorylation	[15]
Mitogen-activated protein kinase 1 (MAPK1)	OTH85PI5	MK01_HUMAN	Decreases Phosphorylation	[15]
Caspase-3 (CASP3)	OTIJRBE7	CASP3_HUMAN	Increases Cleavage	[15]
Caspase-9 (CASP9)	OTD4RFFG	CASP9_HUMAN	Increases Cleavage	[15]
POU domain, class 5, transcription factor 1 (POU5F1)	OTDHHN7O	PO5F1_HUMAN	Decreases Expression	[14]
Induced myeloid leukemia cell differentiation protein Mcl-1 (MCL1)	OT2YYI1A	MCL1_HUMAN	Decreases Expression	[15]
Sequestosome-1 (SQSTM1)	OTGY5D5J	SQSTM_HUMAN	Decreases Expression	[15]
Beclin-1 (BECN1)	OT4X293M	BECN1_HUMAN	Increases Expression	[15]
ELAV-like protein 1 (ELAVL1)	OTY55PLY	ELAV1_HUMAN	Decreases Expression	[15]
Histone-lysine N-methyltransferase EHMT2 (EHMT2)	OTC4DWB6	EHMT2_HUMAN	Decreases Expression	[14]
Microtubule-associated proteins 1A/1B light chain 3B (MAP1LC3B)	OTUYHB84	MLP3B_HUMAN	Increases Lipidation	[15]
Histone-lysine N-methyltransferase EHMT1 (EHMT1)	OT6QC8GK	EHMT1_HUMAN	Decreases Expression	[14]
ATP-dependent translocase ABCB1 (ABCB1)	OTEJROBO	MDR1_HUMAN	Decreases Response To Substance	[16]

References

• [1] Loss of function mutations in VARS encoding cytoplasmic valyl-tRNA synthetase cause microcephaly, seizures, and progressive cerebral atrophy.Hum Genet. 2018 Apr;137(4):293-303. doi: 10.1007/s00439-018-1882-3. Epub 2018 Apr 24.
• [2] 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.
• [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: 8319).
• [4] Small molecules, big targets: drug discovery faces the protein-protein interaction challenge.Nat Rev Drug Discov. 2016 Aug;15(8):533-50.
• [5] ClinicalTrials.gov (NCT00818480) An Extension Study Administering YM155 to Subjects Previously Enrolled in Another Protocol Administering YM155. U.S. National Institutes of Health.
• [6] Clinical pipeline report, company report or official report of Roche (2009).
• [7] Clinical pipeline report, company report or official report of the Pharmaceutical Research and Manufacturers of America (PhRMA)
• [8] 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.
• [9] 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.
• [10] 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.
• [11] 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.
• [12] Characterization of human organic cation transporter 1 (OCT1/SLC22A1)- and OCT2 (SLC22A2)-mediated transport of 1-(2-methoxyethyl)-2-methyl-4,9-dioxo-3-(pyrazin-2-ylmethyl)- 4,9-dihydro-1H-naphtho[2,3-d]imidazolium bromide (YM155 monobromide), a novel small molecule survivin suppressant. Drug Metab Dispos. 2010 Jan;38(1):1-4.
• [13] Inhibition of pluripotent stem cell-derived teratoma formation by small molecules. Proc Natl Acad Sci U S A. 2013 Aug 27;110(35):E3281-90. doi: 10.1073/pnas.1303669110. Epub 2013 Aug 5.
• [14] YM155 as an inhibitor of cancer stemness simultaneously inhibits autophosphorylation of epidermal growth factor receptor and G9a-mediated stemness in lung cancer cells. PLoS One. 2017 Aug 7;12(8):e0182149. doi: 10.1371/journal.pone.0182149. eCollection 2017.
• [15] Autophagic HuR mRNA degradation induces survivin and MCL1 downregulation in YM155-treated human leukemia cells. Toxicol Appl Pharmacol. 2020 Jan 15;387:114857. doi: 10.1016/j.taap.2019.114857. Epub 2019 Dec 16.
• [16] The SMAC mimetic LCL161 is a direct ABCB1/MDR1-ATPase activity modulator and BIRC5/Survivin expression down-regulator in cancer cells. Toxicol Appl Pharmacol. 2020 Aug 15;401:115080. doi: 10.1016/j.taap.2020.115080. Epub 2020 Jun 1.