Details of the Drug Combination

General Information of Drug Combination (ID: DCHA4GC)

• Drug Combination Name: Raloxifene + SCH 727965
• Indication: Breast adenocarcinoma; Status: Investigative [1]
• Component Drugs:
  Raloxifene (DMDKF3M): Small molecular drug
  SCH 727965 (DMCJLD1): Small molecular drug
• High-throughput Screening Result:
  Testing Cell Line: MDA-MB-468
  Zero Interaction Potency (ZIP) Score: 2.23
  Bliss Independence Score: 2.84
  Loewe Additivity Score: 1.21
  LHighest Single Agent (HSA) Score: 0.67

Molecular Interaction Atlas of This Drug Combination

Indication(s) of Raloxifene

Disease Entry	ICD 11	Status	REF
Osteoporosis	FB83.0	Approved	[2]

Raloxifene Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Estrogen receptor (ESR)	TTZAYWL	ESR1_HUMAN	Modulator	[4]

Raloxifene Interacts with 1 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
P-glycoprotein 1 (ABCB1)	DTUGYRD	MDR1_HUMAN	Substrate	[5]

Raloxifene Interacts with 3 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	DE4LYSA	CP3A4_HUMAN	Metabolism	[6]
UDP-glucuronosyltransferase 1A1 (UGT1A1)	DEYGVN4	UD11_HUMAN	Metabolism	[7]
UDP-glucuronosyltransferase 1A10 (UGT1A10)	DEL5N6Y	UD110_HUMAN	Metabolism	[8]

Indication(s) of SCH 727965

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

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	[9]
Cyclin-dependent kinase 1 (CDK1)	TTH6V3D	CDK1_HUMAN	Inhibitor	[9]
Cyclin-dependent kinase 2 (CDK2)	TT7HF4W	CDK2_HUMAN	Inhibitor	[9]

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	[10]
Poly polymerase 1 (PARP1)	OT310QSG	PARP1_HUMAN	Increases Cleavage	[10]
Breast cancer type 1 susceptibility protein (BRCA1)	OT5BN6VH	BRCA1_HUMAN	Decreases Expression	[11]
Breast cancer type 2 susceptibility protein (BRCA2)	OTF1XSV1	BRCA2_HUMAN	Decreases Expression	[11]
DNA repair protein RAD51 homolog 1 (RAD51)	OTNVWGC1	RAD51_HUMAN	Decreases Expression	[11]
Fanconi anemia group D2 protein (FANCD2)	OTVEB5LF	FACD2_HUMAN	Decreases Expression	[11]
Cyclin-dependent kinase 12 (CDK12)	OTZUDGNU	CDK12_HUMAN	Decreases Activity	[11]

Test Results of This Drug Combination in Other Disease Systems

Indication	DrugCom ID	Cell Line	Status	REF
Adult acute myeloid leukemia	DCHAV8B	HL-60(TB)	Investigative	[12]
Astrocytoma	DCQCVBT	U251	Investigative	[12]
Childhood T acute lymphoblastic leukemia	DC9VJH2	CCRF-CEM	Investigative	[12]
Chronic myelogenous leukemia	DCQN83C	K-562	Investigative	[12]
Clear cell renal cell carcinoma	DCAF86N	786-0	Investigative	[12]
Plasma cell myeloma	DCEZP9H	RPMI-8226	Investigative	[12]
Colon adenocarcinoma	DC4MA4U	COLO 205	Investigative	[1]
Invasive ductal carcinoma	DCIMAS1	T-47D	Investigative	[1]
Invasive ductal carcinoma	DCFE127	HS 578T	Investigative	[1]
Adenocarcinoma	DCQXSQ5	DU-145	Investigative	[13]
Large cell lung carcinoma	DCRXJSM	NCI-H460	Investigative	[13]
Melanoma	DC8ZMXU	SK-MEL-2	Investigative	[13]
Ovarian serous cystadenocarcinoma	DC61X86	SK-OV-3	Investigative	[13]
Prostate carcinoma	DCR9X3C	PC-3	Investigative	[13]

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] Drugs@FDA. U.S. Food and Drug Administration. U.S. Department of Health & Human Services. 2015
• [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: 7379).
• [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. (Target id: 620).
• [5] Influence of hepatic and intestinal efflux transporters and their genetic variants on the pharmacokinetics and pharmacodynamics of raloxifene in osteoporosis treatment. Transl Res. 2012 Oct;160(4):298-308.
• [6] The role of P-glycoprotein in the bioactivation of raloxifene. Drug Metab Dispos. 2006 Dec;34(12):2073-8.
• [7] Drug-drug interactions for UDP-glucuronosyltransferase substrates: a pharmacokinetic explanation for typically observed low exposure (AUCi/AUC) ratios. Drug Metab Dispos. 2004 Nov;32(11):1201-8.
• [8] Characterization of raloxifene glucuronidation: potential role of UGT1A8 genotype on raloxifene metabolism in vivo. Cancer Prev Res (Phila). 2013 Jul;6(7):719-30.
• [9] Cell cycle kinases as therapeutic targets for cancer. Nat Rev Drug Discov. 2009 Jul;8(7):547-66.
• [10] 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.
• [11] 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.
• [12] 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.
• [13] 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.