Details of the Drug Combination

General Information of Drug Combination (ID: DC809R2)

• Drug Combination Name: Triapine + Memantine
• Indication: Chronic myelogenous leukemia; Status: Investigative [1]
• Component Drugs:
  Triapine (DM7XZY5): Small molecular drug
  Memantine (DMD9WSC): Small molecular drug
• High-throughput Screening Result:
  Testing Cell Line: KBM-7
  Zero Interaction Potency (ZIP) Score: 0.78
  Bliss Independence Score: 0.78
  Loewe Additivity Score: 1.4
  LHighest Single Agent (HSA) Score: 1.42

Molecular Interaction Atlas of This Drug Combination

Indication(s) of Triapine

Disease Entry	ICD 11	Status	REF
Nerve injury	ND56.4	Phase 2	[2]

Triapine Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Ribonucleoside-diphosphate reductase M2 (RRM2)	TTBWDI0	RIR2_HUMAN	Modulator	[2]

Triapine Interacts with 2 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Histone H2AX (H2AX)	OT18UX57	H2AX_HUMAN	Increases Expression	[6]
Thioredoxin-dependent peroxide reductase, mitochondrial (PRDX3)	OTLB2WEU	PRDX3_HUMAN	Increases Oxidation	[5]

Indication(s) of Memantine

Disease Entry	ICD 11	Status	REF
Alzheimer disease	8A20	Approved	[3]
Asperger syndrome	N.A.	Approved	[4]
Glioblastoma	2A00	Approved	[4]

Memantine Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
N-methyl-D-aspartate receptor (NMDAR)	TT9IK2Z	NOUNIPROTAC	Modulator	[7]

Memantine Interacts with 1 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
Organic cation transporter 2 (SLC22A2)	DT9IDPW	S22A2_HUMAN	Substrate	[8]

Memantine Interacts with 8 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	[9]
Myc proto-oncogene protein (MYC)	OTPV5LUK	MYC_HUMAN	Decreases Expression	[9]
Apoptosis regulator Bcl-2 (BCL2)	OT9DVHC0	BCL2_HUMAN	Decreases Expression	[9]
Cyclin-dependent kinase 4 (CDK4)	OT7EP05T	CDK4_HUMAN	Increases Expression	[9]
G1/S-specific cyclin-D1 (CCND1)	OT8HPTKJ	CCND1_HUMAN	Decreases Expression	[9]
Caspase-3 (CASP3)	OTIJRBE7	CASP3_HUMAN	Increases Expression	[9]
Caspase-9 (CASP9)	OTD4RFFG	CASP9_HUMAN	Increases Expression	[9]
Apoptosis regulator BAX (BAX)	OTAW0V4V	BAX_HUMAN	Affects Expression	[9]

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] PAN-811 inhibits oxidative stress-induced cell death of human Alzheimer's disease-derived and age-matched olfactory neuroepithelial cells via suppression of intracellular reactive oxygen species. J Alzheimers Dis. 2009;17(3):611-9.
• [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: 4253).
• [4] Memantine FDA Label
• [5] The iron-chelating drug triapine causes pronounced mitochondrial thiol redox stress. Toxicol Lett. 2011 Mar 5;201(2):130-6. doi: 10.1016/j.toxlet.2010.12.017. Epub 2010 Dec 31.
• [6] Distinct mechanisms of cell-kill by triapine and its terminally dimethylated derivative Dp44mT due to a loss or gain of activity of their copper(II) complexes. Biochem Pharmacol. 2014 Oct 1;91(3):312-22. doi: 10.1016/j.bcp.2014.08.006. Epub 2014 Aug 15.
• [7] The NMDA receptor antagonist memantine as a symptomatological and neuroprotective treatment for Alzheimer's disease: preclinical evidence. Int J Geriatr Psychiatry. 2003 Sep;18(Suppl 1):S23-32.
• [8] Human neurons express the polyspecific cation transporter hOCT2, which translocates monoamine neurotransmitters, amantadine, and memantine. Mol Pharmacol. 1998 Aug;54(2):342-52.
• [9] Memantine induces apoptosis and inhibits cell cycle progression in LNCaP prostate cancer cells. Hum Exp Toxicol. 2018 Sep;37(9):953-958. doi: 10.1177/0960327117747025. Epub 2017 Dec 11.