Details of the Drug Combination

General Information of Drug Combination (ID: DCZZPXZ)

• Drug Combination Name: Trifluridine + SCH 727965
• Indication: Cutaneous melanoma; Status: Investigative [1]
• Component Drugs:
  Trifluridine (DMG2YBD): Small molecular drug
  SCH 727965 (DMCJLD1): Small molecular drug
• High-throughput Screening Result:
  Testing Cell Line: SK-MEL-28
  Zero Interaction Potency (ZIP) Score: 11.1
  Bliss Independence Score: 12.92
  Loewe Additivity Score: 4.41
  LHighest Single Agent (HSA) Score: 7.37

Molecular Interaction Atlas of This Drug Combination

Indication(s) of Trifluridine

Disease Entry	ICD 11	Status	REF
Herpetic keratitis	1F00.10	Approved	[2]
Virus infection	1A24-1D9Z	Approved	[3]
Colon cancer	2B90.Z	Investigative	[2]

Trifluridine Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Candida Thymidylate synthase (Candi TMP1)	TTU6BFZ	TYSY_CANAL	Inhibitor	[5]

Trifluridine Interacts with 4 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
Organic anion transporter 1 (SLC22A6)	DTQ23VB	S22A6_HUMAN	Substrate	[6]
Concentrative nucleoside transporter 1 (SLC28A1)	DT0EQPW	S28A1_HUMAN	Substrate	[7]
Equilibrative nucleoside transporter 1 (SLC29A1)	DTXD1TQ	S29A1_HUMAN	Substrate	[7]
Equilibrative nucleoside transporter 2 (SLC29A2)	DTW78DQ	S29A2_HUMAN	Substrate	[7]

Trifluridine Interacts with 1 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Thymidine phosphorylase (TYMP)	DE4HCYL	TYPH_HUMAN	Metabolism	[8]

Trifluridine Interacts with 7 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Nuclear receptor subfamily 1 group I member 2 (NR1I2)	OTC5U0N5	NR1I2_HUMAN	Increases Activity	[9]
Cellular tumor antigen p53 (TP53)	OTIE1VH3	P53_HUMAN	Affects Activity	[10]
Cathepsin B (CTSB)	OTP9G5QB	CATB_HUMAN	Increases Cleavage	[11]
Poly polymerase 1 (PARP1)	OT310QSG	PARP1_HUMAN	Increases Cleavage	[11]
Caspase-9 (CASP9)	OTD4RFFG	CASP9_HUMAN	Increases Cleavage	[11]
Caspase-8 (CASP8)	OTA8TVI8	CASP8_HUMAN	Increases Cleavage	[11]
Nuclear factor erythroid 2-related factor 2 (NFE2L2)	OT0HENJ5	NF2L2_HUMAN	Increases Activity	[12]

Indication(s) of SCH 727965

Disease Entry	ICD 11	Status	REF
Acute lymphoblastic leukaemia	2A85	Discontinued in Phase 3	[4]

SCH 727965 Interacts with 3 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Cyclin-dependent kinase 9 (CDK9)	TT1LVF2	CDK9_HUMAN	Inhibitor	[13]
Cyclin-dependent kinase 1 (CDK1)	TTH6V3D	CDK1_HUMAN	Inhibitor	[13]
Cyclin-dependent kinase 2 (CDK2)	TT7HF4W	CDK2_HUMAN	Inhibitor	[13]

SCH 727965 Interacts with 7 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Retinoblastoma-associated protein (RB1)	OTQJUJMZ	RB_HUMAN	Decreases Phosphorylation	[14]
Poly polymerase 1 (PARP1)	OT310QSG	PARP1_HUMAN	Increases Cleavage	[14]
Breast cancer type 1 susceptibility protein (BRCA1)	OT5BN6VH	BRCA1_HUMAN	Decreases Expression	[15]
Breast cancer type 2 susceptibility protein (BRCA2)	OTF1XSV1	BRCA2_HUMAN	Decreases Expression	[15]
DNA repair protein RAD51 homolog 1 (RAD51)	OTNVWGC1	RAD51_HUMAN	Decreases Expression	[15]
Fanconi anemia group D2 protein (FANCD2)	OTVEB5LF	FACD2_HUMAN	Decreases Expression	[15]
Cyclin-dependent kinase 12 (CDK12)	OTZUDGNU	CDK12_HUMAN	Decreases Activity	[15]

Test Results of This Drug Combination in Other Disease Systems

Indication	DrugCom ID	Cell Line	Status	REF
Adenocarcinoma	DC7BLDV	NCIH23	Investigative	[1]
Melanoma	DCVI7EK	MALME-3M	Investigative	[1]
Minimally invasive lung adenocarcinoma	DC9E70U	NCI-H322M	Investigative	[1]
Ovarian serous cystadenocarcinoma	DCH6AF7	SK-OV-3	Investigative	[1]
Pleural epithelioid mesothelioma	DCARRL4	NCI-H226	Investigative	[1]

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] Trifluridine FDA Label
• [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: 8697).
• [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: 7379).
• [5] Trifluorothymidine induces cell death independently of p53. Nucleosides Nucleotides Nucleic Acids. 2008 Jun;27(6):699-703.
• [6] Rat multispecific organic anion transporter 1 (rOAT1) transports zidovudine, acyclovir, and other antiviral nucleoside analogs. J Pharmacol Exp Ther. 2000 Sep;294(3):844-9.
• [7] Lonsurf, INN-trifluridine/tipiracil.
• [8] Phase I clinical study of three times a day oral administration of TAS-102 in patients with solid tumors. Cancer Invest. 2008 Oct;26(8):794-9.
• [9] Screening of a chemical library reveals novel PXR-activating pharmacologic compounds. Toxicol Lett. 2015 Jan 5;232(1):193-202. doi: 10.1016/j.toxlet.2014.10.009. Epub 2014 Oct 16.
• [10] Identification of environmental chemicals that activate p53 signaling after in vitro metabolic activation. Arch Toxicol. 2022 Jul;96(7):1975-1987. doi: 10.1007/s00204-022-03291-5. Epub 2022 Apr 18.
• [11] Differential activation of cell death and autophagy results in an increased cytotoxic potential for trifluorothymidine compared to 5-fluorouracil in colon cancer cells. Int J Cancer. 2010 May 15;126(10):2457-68. doi: 10.1002/ijc.24943.
• [12] Identification of Compounds That Inhibit Estrogen-Related Receptor Alpha Signaling Using High-Throughput Screening Assays. Molecules. 2019 Feb 27;24(5):841. doi: 10.3390/molecules24050841.
• [13] Cell cycle kinases as therapeutic targets for cancer. Nat Rev Drug Discov. 2009 Jul;8(7):547-66.
• [14] Dinaciclib (SCH 727965), a novel and potent cyclin-dependent kinase inhibitor. Mol Cancer Ther. 2010 Aug;9(8):2344-53. doi: 10.1158/1535-7163.MCT-10-0324. Epub 2010 Jul 27.
• [15] CDK12 Inhibition Reverses De Novo and Acquired PARP Inhibitor Resistance in BRCA Wild-Type and Mutated Models of Triple-Negative Breast Cancer. Cell Rep. 2016 Nov 22;17(9):2367-2381. doi: 10.1016/j.celrep.2016.10.077.