Details of the Drug Combination

General Information of Drug Combination (ID: DCQLMYB)

• Drug Combination Name: SCH 727965 + Lapatinib
• Indication: Breast and ovarian cancer syndrome; Status: Investigative [1]
• Component Drugs:
  SCH 727965 (DMCJLD1): Small molecular drug
  Lapatinib (DM3BH1Y): Small molecular drug
• High-throughput Screening Result:
  Testing Cell Line: UWB1289
  Zero Interaction Potency (ZIP) Score: 1.4
  Bliss Independence Score: 1.37
  Loewe Additivity Score: 1.91
  LHighest Single Agent (HSA) Score: 8.3

Molecular Interaction Atlas of This Drug Combination

Indication(s) of SCH 727965

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

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	[5]
Cyclin-dependent kinase 1 (CDK1)	TTH6V3D	CDK1_HUMAN	Inhibitor	[5]
Cyclin-dependent kinase 2 (CDK2)	TT7HF4W	CDK2_HUMAN	Inhibitor	[5]

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	[6]
Poly polymerase 1 (PARP1)	OT310QSG	PARP1_HUMAN	Increases Cleavage	[6]
Breast cancer type 1 susceptibility protein (BRCA1)	OT5BN6VH	BRCA1_HUMAN	Decreases Expression	[7]
Breast cancer type 2 susceptibility protein (BRCA2)	OTF1XSV1	BRCA2_HUMAN	Decreases Expression	[7]
DNA repair protein RAD51 homolog 1 (RAD51)	OTNVWGC1	RAD51_HUMAN	Decreases Expression	[7]
Fanconi anemia group D2 protein (FANCD2)	OTVEB5LF	FACD2_HUMAN	Decreases Expression	[7]
Cyclin-dependent kinase 12 (CDK12)	OTZUDGNU	CDK12_HUMAN	Decreases Activity	[7]

Indication(s) of Lapatinib

Disease Entry	ICD 11	Status	REF
Breast cancer	2C60-2C65	Approved	[3]
Gastroesophageal junction adenocarcinoma	2B71	Approved	[4]
Melanoma	2C30	Approved	[4]

Lapatinib Interacts with 3 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Erbb2 tyrosine kinase receptor (HER2)	TT6EO5L	ERBB2_HUMAN	Inhibitor	[9]
Epidermal growth factor receptor (EGFR)	TTGKNB4	EGFR_HUMAN	Inhibitor	[9]
Eukaryotic elongation factor 2 kinase (eEF-2K)	TT1QFLA	EF2K_HUMAN	Inhibitor	[10]

Lapatinib Interacts with 2 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
P-glycoprotein 1 (ABCB1)	DTUGYRD	MDR1_HUMAN	Substrate	[11]
Breast cancer resistance protein (ABCG2)	DTI7UX6	ABCG2_HUMAN	Substrate	[12]

Lapatinib Interacts with 4 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	DE4LYSA	CP3A4_HUMAN	Metabolism	[13]
Cytochrome P450 3A5 (CYP3A5)	DEIBDNY	CP3A5_HUMAN	Metabolism	[14]
Cytochrome P450 2C8 (CYP2C8)	DES5XRU	CP2C8_HUMAN	Metabolism	[13]
Mephenytoin 4-hydroxylase (CYP2C19)	DEGTFWK	CP2CJ_HUMAN	Metabolism	[14]

Lapatinib Interacts with 36 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Epidermal growth factor receptor (EGFR)	OTAPLO1S	EGFR_HUMAN	Decreases Activity	[15]
Bile salt export pump (ABCB11)	OTRU7THO	ABCBB_HUMAN	Decreases Activity	[16]
Superoxide dismutase , mitochondrial (SOD2)	OTIWXGZ9	SODM_HUMAN	Increases Expression	[17]
Heme oxygenase 1 (HMOX1)	OTC1W6UX	HMOX1_HUMAN	Increases Expression	[17]
NAD(P)H dehydrogenase 1 (NQO1)	OTZGGIVK	NQO1_HUMAN	Increases Expression	[17]
Nuclear factor erythroid 2-related factor 2 (NFE2L2)	OT0HENJ5	NF2L2_HUMAN	Increases Activity	[17]
Baculoviral IAP repeat-containing protein 5 (BIRC5)	OTILXZYL	BIRC5_HUMAN	Decreases Expression	[18]
Estrogen receptor (ESR1)	OTKLU61J	ESR1_HUMAN	Decreases Activity	[15]
Poly polymerase 1 (PARP1)	OT310QSG	PARP1_HUMAN	Increases Cleavage	[19]
Apoptosis regulator Bcl-2 (BCL2)	OT9DVHC0	BCL2_HUMAN	Decreases Expression	[20]
DNA topoisomerase 1 (TOP1)	OT51O0CF	TOP1_HUMAN	Decreases Expression	[21]
DNA topoisomerase 2-alpha (TOP2A)	OT6LPS08	TOP2A_HUMAN	Decreases Expression	[21]
Histone H2AX (H2AX)	OT18UX57	H2AX_HUMAN	Increases Expression	[21]
Cyclin-A2 (CCNA2)	OTPHHYZJ	CCNA2_HUMAN	Decreases Expression	[19]
Phosphatidylcholine translocator ABCB4 (ABCB4)	OTE6PY83	MDR3_HUMAN	Decreases Activity	[22]
Receptor tyrosine-protein kinase erbB-3 (ERBB3)	OTRSST0A	ERBB3_HUMAN	Decreases Activity	[23]
Alanine aminotransferase 1 (GPT)	OTOXOA0Q	ALAT1_HUMAN	Increases Secretion	[24]
G1/S-specific cyclin-D1 (CCND1)	OT8HPTKJ	CCND1_HUMAN	Decreases Expression	[15]
Mitogen-activated protein kinase 3 (MAPK3)	OTCYKGKO	MK03_HUMAN	Decreases Activity	[19]
Mitogen-activated protein kinase 1 (MAPK1)	OTH85PI5	MK01_HUMAN	Decreases Activity	[19]
RAC-alpha serine/threonine-protein kinase (AKT1)	OT8H2YY7	AKT1_HUMAN	Decreases Activity	[15]
DNA replication licensing factor MCM7 (MCM7)	OT6FXC6K	MCM7_HUMAN	Decreases Expression	[19]
Caspase-3 (CASP3)	OTIJRBE7	CASP3_HUMAN	Increases Activity	[21]
Cyclin-dependent kinase inhibitor 1B (CDKN1B)	OTNY5LLZ	CDN1B_HUMAN	Increases Expression	[15]
Caspase-7 (CASP7)	OTAPJ040	CASP7_HUMAN	Increases Activity	[21]
Caspase-9 (CASP9)	OTD4RFFG	CASP9_HUMAN	Increases Activity	[21]
Apoptosis regulator BAX (BAX)	OTAW0V4V	BAX_HUMAN	Increases Expression	[20]
Cytochrome P450 1B1 (CYP1B1)	OTYXFLSD	CP1B1_HUMAN	Decreases Activity	[25]
GTPase KRas (KRAS)	OT78QCN8	RASK_HUMAN	Decreases Response To Substance	[26]
HLA class II histocompatibility antigen, DQ alpha 1 chain (HLA-DQA1)	OTC6GISG	DQA1_HUMAN	Increases ADR	[27]
Zinc finger protein SNAI1 (SNAI1)	OTDPYAMC	SNAI1_HUMAN	Decreases Response To Substance	[28]
Cytochrome P450 1A1 (CYP1A1)	OTE4EFH8	CP1A1_HUMAN	Increases Metabolism	[21]
Cytochrome P450 3A7 (CYP3A7)	OTTCDHHM	CP3A7_HUMAN	Increases Metabolism	[21]
Transforming growth factor beta-1 proprotein (TGFB1)	OTV5XHVH	TGFB1_HUMAN	Decreases Response To Substance	[28]
Tenascin-X (TNXB)	OTVBWAV5	TENX_HUMAN	Increases ADR	[27]
HLA class II histocompatibility antigen, DQ beta 1 chain (HLA-DQB1)	OTVVI3UI	DQB1_HUMAN	Increases ADR	[27]

Test Results of This Drug Combination in Other Disease Systems

Indication	DrugCom ID	Cell Line	Status	REF
Ewing sarcoma-peripheral primitive neuroectodermal tumour	DCQRP13	ES2	Investigative	[29]
Breast and ovarian cancer syndrome	DC4T2R3	UWB1289+BRCA1	Investigative	[1]
Breast carcinoma	DCM6MY8	KPL1	Investigative	[1]
Breast carcinoma	DCHMXVX	OCUBM	Investigative	[1]
Carcinoma	DCBHIQZ	OV90	Investigative	[1]
Carcinoma	DCRJQLH	EFM192B	Investigative	[1]
Carcinoma	DCW8CRT	MDAMB436	Investigative	[1]
Colon adenocarcinoma	DC5WHWD	LOVO	Investigative	[1]
Colon carcinoma	DC8FPFW	RKO	Investigative	[1]
Invasive ductal carcinoma	DCDP1Q8	T-47D	Investigative	[1]
Rectal adenocarcinoma	DCBIRCZ	SW837	Investigative	[1]
Adenocarcinoma	DCXT9GC	CAOV3	Investigative	[30]
Adenocarcinoma	DCRBUTX	OVCAR3	Investigative	[30]
Adenocarcinoma	DC13YSB	A427	Investigative	[30]
Adenocarcinoma	DCL54WA	NCIH1650	Investigative	[30]
Adenocarcinoma	DCV3M1I	NCIH2122	Investigative	[30]
Adenocarcinoma	DCLPPZ0	NCIH23	Investigative	[30]
Adenocarcinoma	DCXNBQ0	NCIH520	Investigative	[30]
Adenocarcinoma	DC8NREV	COLO320DM	Investigative	[30]
Adenocarcinoma	DCAXXR2	DLD1	Investigative	[30]
Adenocarcinoma	DCQMHPI	HCT116	Investigative	[30]
Adenocarcinoma	DCG6KRX	HT29	Investigative	[30]
Amelanotic melanoma	DCN9MKR	A2058	Investigative	[30]
Germ cell tumour	DC0F3DB	PA1	Investigative	[30]
Large cell lung carcinoma	DCGEUEJ	NCI-H460	Investigative	[30]
Malignant melanoma	DCRN70O	HT144	Investigative	[30]
Malignant melanoma	DCCR44N	RPMI7951	Investigative	[30]
Malignant melanoma	DCMRUVM	SKMEL30	Investigative	[30]
Malignant melanoma	DCBK6ZT	UACC62	Investigative	[30]
Mesothelioma	DCUR672	MSTO	Investigative	[30]
Non small cell carcinoma	DC12UZ6	SKMES1	Investigative	[30]
Ovarian endometrioid adenocarcinoma	DC2CN77	A2780	Investigative	[30]
Ovarian serous cystadenocarcinoma	DCMEIY5	SK-OV-3	Investigative	[30]
Prostate carcinoma	DC02XQC	VCAP	Investigative	[30]

References

• [1] Biologically active neutrophil chemokine pattern in tonsillitis.Clin Exp Immunol. 2004 Mar;135(3):511-8. doi: 10.1111/j.1365-2249.2003.02390.x.
• [2] 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).
• [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: 5692).
• [4] Lapatinib FDA Label
• [5] Cell cycle kinases as therapeutic targets for cancer. Nat Rev Drug Discov. 2009 Jul;8(7):547-66.
• [6] 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.
• [7] 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.
• [8] UGT-dependent regioselective glucuronidation of ursodeoxycholic acid and obeticholic acid and selective transport of the consequent acyl glucuronides by OATP1B1 and 1B3. Chem Biol Interact. 2019 Sep 1;310:108745. doi: 10.1016/j.cbi.2019.108745. Epub 2019 Jul 9.
• [9] Triple negative breast cancer--current status and prospective targeted treatment based on HER1 (EGFR), TOP2A and C-MYC gene assessment. Biomed Pap Med Fac Univ Palacky Olomouc Czech Repub. 2009 Mar;153(1):13-7.
• [10] Inhibition of eEF-2 kinase sensitizes human nasopharyngeal carcinoma cells to lapatinib-induced apoptosis through the Src and Erk pathways.BMC Cancer. 2016 Oct 19;16(1):813.
• [11] Tarascon Pocket Pharmacopoeia 2018 Classic Shirt-Pocket Edition.
• [12] The role of efflux and uptake transporters in [N-{3-chloro-4-[(3-fluorobenzyl)oxy]phenyl}-6-[5-({[2-(methylsulfonyl)ethyl]amino}methyl)-2-furyl]-4-quinazolinamine (GW572016, lapatinib) disposition and drug interactions. Drug Metab Dispos. 2008 Apr;36(4):695-701.
• [13] Mechanism-based inactivation of cytochrome P450 3A4 by lapatinib. Mol Pharmacol. 2010 Oct;78(4):693-703.
• [14] Clinical pharmacokinetics of tyrosine kinase inhibitors. Cancer Treat Rev. 2009 Dec;35(8):692-706.
• [15] The dual ErbB1/ErbB2 inhibitor, lapatinib (GW572016), cooperates with tamoxifen to inhibit both cell proliferation- and estrogen-dependent gene expression in antiestrogen-resistant breast cancer. Cancer Res. 2005 Jan 1;65(1):18-25.
• [16] Interference with bile salt export pump function is a susceptibility factor for human liver injury in drug development. Toxicol Sci. 2010 Dec; 118(2):485-500.
• [17] P450 3A-catalyzed O-dealkylation of lapatinib induces mitochondrial stress and activates Nrf2. Chem Res Toxicol. 2016 May 16;29(5):784-96.
• [18] Combining lapatinib (GW572016), a small molecule inhibitor of ErbB1 and ErbB2 tyrosine kinases, with therapeutic anti-ErbB2 antibodies enhances apoptosis of ErbB2-overexpressing breast cancer cells. Oncogene. 2005 Sep 15;24(41):6213-21. doi: 10.1038/sj.onc.1208774.
• [19] CDK4/6 inhibition provides a potent adjunct to Her2-targeted therapies in preclinical breast cancer models. Genes Cancer. 2014 Jul;5(7-8):261-72. doi: 10.18632/genesandcancer.24.
• [20] Effects of lapatinib on cell proliferation and apoptosis in NB4 cells. Oncol Lett. 2018 Jan;15(1):235-242. doi: 10.3892/ol.2017.7342. Epub 2017 Nov 3.
• [21] The involvement of hepatic cytochrome P450s in the cytotoxicity of lapatinib. Toxicol Sci. 2023 Dec 21;197(1):69-78. doi: 10.1093/toxsci/kfad099.
• [22] Evaluating the Role of Multidrug Resistance Protein 3 (MDR3) Inhibition in Predicting Drug-Induced Liver Injury Using 125 Pharmaceuticals. Chem Res Toxicol. 2017 May 15;30(5):1219-1229. doi: 10.1021/acs.chemrestox.7b00048. Epub 2017 May 4.
• [23] Suppression of HER2/HER3-mediated growth of breast cancer cells with combinations of GDC-0941 PI3K inhibitor, trastuzumab, and pertuzumab. Clin Cancer Res. 2009 Jun 15;15(12):4147-56. doi: 10.1158/1078-0432.CCR-08-2814. Epub 2009 Jun 9.
• [24] Cytotoxicity of 34 FDA approved small-molecule kinase inhibitors in primary rat and human hepatocytes. Toxicol Lett. 2018 Jul;291:138-148. doi: 10.1016/j.toxlet.2018.04.010. Epub 2018 Apr 12.
• [25] Association of CYP1A1 and CYP1B1 inhibition in in vitro assays with drug-induced liver injury. J Toxicol Sci. 2021;46(4):167-176. doi: 10.2131/jts.46.167.
• [26] The K-Ras effector p38 MAPK confers intrinsic resistance to tyrosine kinase inhibitors by stimulating EGFR transcription and EGFR dephosphorylation. J Biol Chem. 2017 Sep 8;292(36):15070-15079. doi: 10.1074/jbc.M117.779488. Epub 2017 Jul 24.
• [27] HLA-DQA1*02:01 is a major risk factor for lapatinib-induced hepatotoxicity in women with advanced breast cancer. J Clin Oncol. 2011 Feb 20;29(6):667-73. doi: 10.1200/JCO.2010.31.3197. Epub 2011 Jan 18.
• [28] Niclosamide inhibits epithelial-mesenchymal transition and tumor growth in lapatinib-resistant human epidermal growth factor receptor 2-positive breast cancer. Int J Biochem Cell Biol. 2016 Feb;71:12-23. doi: 10.1016/j.biocel.2015.11.014. Epub 2015 Nov 28.
• [29] 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.
• [30] 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.