Details of the Drug Combination

General Information of Drug Combination (ID: DC4SG82)

• Drug Combination Name: Telmisartan + Idarubicin
• Indication: Glioblastoma?; Status: Investigative [1]
• Component Drugs:
  Telmisartan (DMS3GX2): Small molecular drug
  Idarubicin (DMM0XGL): Small molecular drug
• High-throughput Screening Result:
  Testing Cell Line: T98G
  Zero Interaction Potency (ZIP) Score: 1.66
  Bliss Independence Score: 1.66
  Loewe Additivity Score: 15.35
  LHighest Single Agent (HSA) Score: 15.37

Molecular Interaction Atlas of This Drug Combination

Indication(s) of Telmisartan

Disease Entry	ICD 11	Status	REF
Hypertension	BA00-BA04	Approved	[2]
Malignant essential hypertension	BA00	Approved	[3]
Coronavirus Disease 2019 (COVID-19)	1D6Y	Phase 3	[4]
Stroke	8B20	Investigative	[3]

Telmisartan Interacts with 2 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Angiotensin II receptor type-1 (AGTR1)	TT8DBY3	AGTR1_HUMAN	Antagonist	[7]
HUMAN type-1 angiotensin II receptor (AGTR1)	TTPKMXQ	AGTR1_HUMAN	Blocker	[8]

Telmisartan Interacts with 3 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
Organic anion transporting polypeptide 1A2 (SLCO1A2)	DTE2B1D	SO1A2_HUMAN	Substrate	[9]
Organic anion transporting polypeptide 1B3 (SLCO1B3)	DT9C1TS	SO1B3_HUMAN	Substrate	[9]
Organic anion transporting polypeptide 2B1 (SLCO2B1)	DTPFTEQ	SO2B1_HUMAN	Substrate	[10]

Telmisartan Interacts with 2 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
UDP-glucuronosyltransferase 1A1 (UGT1A1)	DEYGVN4	UD11_HUMAN	Metabolism	[11]
UDP-glucuronosyltransferase 1A3 (UGT1A3)	DEF2WXN	UD13_HUMAN	Metabolism	[12]

Telmisartan Interacts with 8 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Bile salt export pump (ABCB11)	OTRU7THO	ABCBB_HUMAN	Decreases Activity	[13]
Interleukin-8 (CXCL8)	OTS7T5VH	IL8_HUMAN	Decreases Expression	[14]
C-reactive protein (CRP)	OT0RFT8F	CRP_HUMAN	Decreases Expression	[15]
Albumin (ALB)	OTVMM513	ALBU_HUMAN	Affects Expression	[16]
C-C motif chemokine 5 (CCL5)	OTSCA5CK	CCL5_HUMAN	Decreases Response To Substance	[17]
Natriuretic peptides B (NPPB)	OTSN2IPY	ANFB_HUMAN	Decreases Expression	[18]
Tight junction protein ZO-1 (TJP1)	OTBDCUPK	ZO1_HUMAN	Decreases Expression	[19]
Sodium channel protein type 5 subunit alpha (SCN5A)	OTGYZWR6	SCN5A_HUMAN	Increases Activity	[20]

Indication(s) of Idarubicin

Disease Entry	ICD 11	Status	REF
Acute myelogenous leukaemia	2A41	Approved	[5]
Acute myeloid leukaemia	2A60	Approved	[6]
Adult acute monocytic leukemia	N.A.	Approved	[5]
Childhood acute megakaryoblastic leukemia	N.A.	Approved	[5]
Leukemia	N.A.	Approved	[5]

Idarubicin Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
DNA topoisomerase II (TOP2)	TT0IHXV	TOP2A_HUMAN; TOP2B_HUMAN	Modulator	[22]

Idarubicin Interacts with 3 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
Multidrug resistance-associated protein 1 (ABCC1)	DTSYQGK	MRP1_HUMAN	Substrate	[23]
P-glycoprotein 1 (ABCB1)	DTUGYRD	MDR1_HUMAN	Substrate	[24]
Breast cancer resistance protein (ABCG2)	DTI7UX6	ABCG2_HUMAN	Substrate	[24]

Idarubicin Interacts with 2 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 2D6 (CYP2D6)	DECB0K3	CP2D6_HUMAN	Metabolism	[25]
Cytochrome P450 2C9 (CYP2C9)	DE5IED8	CP2C9_HUMAN	Metabolism	[25]

Idarubicin Interacts with 2 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Natriuretic peptides B (NPPB)	OTSN2IPY	ANFB_HUMAN	Increases Expression	[26]
Bile acid receptor (NR1H4)	OTWZLPTB	NR1H4_HUMAN	Decreases Activity	[21]

References

• [1] CheMBL Affinity Phenotypic Cellular Interaction Assay ID: CHEMBL1125966
• [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: 592).
• [3] Telmisartan FDA Label
• [4] ClinicalTrials.gov (NCT04359953) Efficacy of Hydroxychloroquine, Telmisartan and Azithromycin on the Survival of Hospitalized Elderly Patients With COVID-19. U.S. National Institutes of Health.
• [5] Idarubicin FDA Label
• [6] 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: 7083).
• [7] Deletion of angiotensin II type I receptor reduces hepatic steatosis. J Hepatol. 2009 Jun;50(6):1226-35.
• [8] Controversies of renin-angiotensin system inhibition during the COVID-19 pandemic. Nat Rev Nephrol. 2020 Apr 3.
• [9] Predominant contribution of OATP1B3 to the hepatic uptake of telmisartan, an angiotensin II receptor antagonist, in humans. Drug Metab Dispos. 2006 Jul;34(7):1109-15.
• [10] Establishment of a set of double transfectants coexpressing organic anion transporting polypeptide 1B3 and hepatic efflux transporters for the characterization of the hepatobiliary transport of telmisartan acylglucuronide. Drug Metab Dispos. 2008 Apr;36(4):796-805.
• [11] The impact of pharmacogenetics of metabolic enzymes and transporters on the pharmacokinetics of telmisartan in healthy volunteers. Pharmacogenet Genomics. 2011 Sep;21(9):523-30.
• [12] Characterization of in vitro glucuronidation clearance of a range of drugs in human kidney microsomes: comparison with liver and intestinal glucuronidation and impact of albumin. Drug Metab Dispos. 2012 Apr;40(4):825-35.
• [13] 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.
• [14] Toxicological evaluation of acyl glucuronides utilizing half-lives, peptide adducts, and immunostimulation assays. Toxicol In Vitro. 2015 Dec 25;30(1 Pt B):241-9.
• [15] Improvement of endothelial function in patients with hypertension and type 2 diabetes after treatment with telmisartan. Hypertens Res. 2010 Aug;33(8):796-801. doi: 10.1038/hr.2010.107. Epub 2010 Jun 17.
• [16] Effect of telmisartan on ambulatory blood pressure monitoring, plasma brain natriuretic peptide, and oxidative status of serum albumin in hemodialysis patients. Hypertens Res. 2005 Dec;28(12):987-94. doi: 10.1291/hypres.28.987.
• [17] Telmisartan inhibits CD4-positive lymphocyte migration independent of the angiotensin type 1 receptor via peroxisome proliferator-activated receptor-gamma. Hypertension. 2008 Feb;51(2):259-66. doi: 10.1161/HYPERTENSIONAHA.107.099028. Epub 2007 Dec 24.
• [18] Comparison of the effects of telmisartan and olmesartan on home blood pressure, glucose, and lipid profiles in patients with hypertension, chronic heart failure, and metabolic syndrome. Hypertens Res. 2008 May;31(5):921-9. doi: 10.1291/hypres.31.921.
• [19] Telmisartan increases the permeability of endothelial cells through zonula occludens-1. Biol Pharm Bull. 2009 Mar;32(3):416-20. doi: 10.1248/bpb.32.416.
• [20] Differential regulation of tefluthrin and telmisartan on the gating charges of I(Na) activation and inactivation as well as on resurgent and persistent I(Na) in a pituitary cell line (GH(3)). Toxicol Lett. 2018 Mar 15;285:104-112. doi: 10.1016/j.toxlet.2018.01.002. Epub 2018 Jan 3.
• [21] Quantitative high-throughput profiling of environmental chemicals and drugs that modulate farnesoid X receptor. Sci Rep. 2014 Sep 26;4:6437. doi: 10.1038/srep06437.
• [22] Drugs@FDA. U.S. Food and Drug Administration. U.S. Department of Health & Human Services.
• [23] Human intestinal transporter database: QSAR modeling and virtual profiling of drug uptake, efflux and interactions. Pharm Res. 2013 Apr;30(4):996-1007.
• [24] Amonafide L-malate is not a substrate for multidrug resistance proteins in secondary acute myeloid leukemia. Leukemia. 2008 Nov;22(11):2110-5.
• [25] In vitro evaluation of cytochrome P450-mediated drug interactions between cytarabine, idarubicin, itraconazole and caspofungin. Hematology. 2004 Jun;9(3):217-21.
• [26] The use of biochemical markers in cardiotoxicity monitoring in patients treated for leukemia. Neoplasma. 2005;52(5):430-4.