Details of the Drug Combination

General Information of Drug Combination (ID: DCL0HWQ)

• Drug Combination Name: Amiloride + Itraconazole
• Indication: Chronic myelogenous leukemia; Status: Investigative [1]
• Component Drugs:
  Amiloride (DMRTSGP): Small molecular drug
  Itraconazole (DMCR1MV): Small molecular drug
• High-throughput Screening Result:
  Testing Cell Line: KBM-7
  Zero Interaction Potency (ZIP) Score: 4.57
  Bliss Independence Score: 4.57
  Loewe Additivity Score: 19.62
  LHighest Single Agent (HSA) Score: 19.62

Molecular Interaction Atlas of This Drug Combination

Indication(s) of Amiloride

Disease Entry	ICD 11	Status	REF
Congestive heart failure	BD10	Approved	[2]
Edema	MG29	Approved	[3]

Amiloride Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Acid-sensing ion channel 1 (ASIC1)	TTRJYB6	ASIC1_HUMAN	Modulator	[7]

Amiloride Interacts with 2 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
Organic cation transporter 2 (SLC22A2)	DT9IDPW	S22A2_HUMAN	Substrate	[8]
Organic cation transporter 1 (SLC22A1)	DTT79CX	S22A1_HUMAN	Substrate	[9]

Amiloride Interacts with 7 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Protein c-Fos (FOS)	OTJBUVWS	FOS_HUMAN	Increases Expression	[10]
Receptor tyrosine-protein kinase erbB-2 (ERBB2)	OTOAUNCK	ERBB2_HUMAN	Decreases Phosphorylation	[11]
Myogenic factor 5 (MYF5)	OTTVO2S5	MYF5_HUMAN	Increases Expression	[12]
Pancreas/duodenum homeobox protein 1 (PDX1)	OTX1DKRA	PDX1_HUMAN	Decreases Uptake	[13]
Serine/threonine-protein phosphatase PP1-alpha catalytic subunit (PPP1CA)	OT7Y43A1	PP1A_HUMAN	Decreases Phosphorylation	[11]
Multidrug and toxin extrusion protein 1 (SLC47A1)	OTZX0U5Q	S47A1_HUMAN	Decreases Activity	[14]
Glutamate receptor-interacting protein 1 (GRIP1)	OT958HK1	GRIP1_HUMAN	Affects Response To Substance	[15]

Indication(s) of Itraconazole

Disease Entry	ICD 11	Status	REF
Aspergillosis	1F20	Approved	[4]
Blastomycosis	1F22	Approved	[4]
Fungal infection	1F29-1F2F	Approved	[5]
Fusariosis	N.A.	Approved	[4]
Histoplasmosis	N.A.	Approved	[4]
Invasive candidiasis	1F23	Approved	[4]
Mycoses	1F2Z	Approved	[4]
Candidemia	1F23.3Y	Investigative	[4]
Esophageal candidiasis	N.A.	Investigative	[4]

Itraconazole Interacts with 2 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Hedgehog signaling pathway (HS pathway)	TT4LXBC	NOUNIPROTAC	Inhibitor	[16]
Candida Cytochrome P450 51 (Candi ERG11)	TTTSOUD	CP51_CANAL	Modulator	[7]

Itraconazole Interacts with 1 DTP Molecule(s)

DTP Name	DTP ID	UniProt ID	Mode of Action	REF
P-glycoprotein 1 (ABCB1)	DTUGYRD	MDR1_HUMAN	Substrate	[17]

Itraconazole Interacts with 2 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	DE4LYSA	CP3A4_HUMAN	Metabolism	[18]
UDP-glucuronosyltransferase 1A1 (UGT1A1)	DEYGVN4	UD11_HUMAN	Metabolism	[19]

Itraconazole Interacts with 4 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
ATP-dependent translocase ABCB1 (ABCB1)	OTEJROBO	MDR1_HUMAN	Decreases Activity	[20]
1,25-dihydroxyvitamin D(3) 24-hydroxylase, mitochondrial (CYP24A1)	OTG2T749	CP24A_HUMAN	Decreases Activity	[21]
Nuclear receptor subfamily 1 group I member 2 (NR1I2)	OTC5U0N5	NR1I2_HUMAN	Increases Expression	[22]
Bile salt export pump (ABCB11)	OTRU7THO	ABCBB_HUMAN	Decreases Activity	[23]

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: 2421).
• [3] Amiloride FDA Label
• [4] Itraconazole FDA Label
• [5] FDA Approved Drug Products from FDA Official Website. 2009. Application Number: (ANDA) 076104.
• [6] Reduction of intracellular pH inhibits the expression of VEGF in K562 cells after targeted inhibition of the Na+/H+ exchanger. Leuk Res. 2007 Apr;31(4):507-14. doi: 10.1016/j.leukres.2006.06.015. Epub 2006 Aug 1.
• [7] Drugs@FDA. U.S. Food and Drug Administration. U.S. Department of Health & Human Services.
• [8] Characterization of regulatory mechanisms and states of human organic cation transporter 2. Am J Physiol Cell Physiol. 2006 Jun;290(6):C1521-31.
• [9] Identification of novel substrates and structure-activity relationship of cellular uptake mediated by human organic cation transporters 1 and 2. J Med Chem. 2013 Sep 26;56(18):7232-42.
• [10] Selection of drugs to test the specificity of the Tg.AC assay by screening for induction of the gadd153 promoter in vitro. Toxicol Sci. 2003 Aug;74(2):260-70. doi: 10.1093/toxsci/kfg113. Epub 2003 May 2.
• [11] Role of HER-2/neu signaling in sensitivity to tumor necrosis factor-related apoptosis-inducing ligand: enhancement of TRAIL-mediated apoptosis by amiloride. J Cell Biochem. 2005 Oct 1;96(2):376-89. doi: 10.1002/jcb.20512.
• [12] In vivo and in vitro dysferlin expression in human muscle satellite cells. J Neuropathol Exp Neurol. 2004 Oct;63(10):1104-13. doi: 10.1093/jnen/63.10.1104.
• [13] PDX-1 protein is internalized by lipid raft-dependent macropinocytosis. Cell Transplant. 2005;14(9):637-45. doi: 10.3727/000000005783982648.
• [14] Molecular identification and functional characterization of rat multidrug and toxin extrusion type transporter 1 as an organic cation/H+ antiporter in the kidney. Drug Metab Dispos. 2006 Nov;34(11):1868-74. doi: 10.1124/dmd.106.010876. Epub 2006 Aug 23.
• [15] Population-based in vitro hazard and concentration-response assessment of chemicals: the 1000 genomes high-throughput screening study. Environ Health Perspect. 2015 May;123(5):458-66. doi: 10.1289/ehp.1408775. Epub 2015 Jan 13.
• [16] Clinical pipeline report, company report or official report of the Pharmaceutical Research and Manufacturers of America (PhRMA)
• [17] Mammalian drug efflux transporters of the ATP binding cassette (ABC) family in multidrug resistance: A review of the past decade. Cancer Lett. 2016 Jan 1;370(1):153-64.
• [18] Effects of itraconazole and tandospirone on the pharmacokinetics of perospirone. Ther Drug Monit. 2006 Feb;28(1):73-5.
• [19] Investigation into UDP-glucuronosyltransferase (UGT) enzyme kinetics of imidazole- and triazole-containing antifungal drugs in human liver microsomes and recombinant UGT enzymes. Drug Metab Dispos. 2010 Jun;38(6):923-9.
• [20] Clinical pharmacokinetic monitoring of itraconazole is warranted in only a subset of patients. Ther Drug Monit. 2005 Jun;27(3):322-33. doi: 10.1097/01.ftd.0000150135.22645.ea.
• [21] The novel azole R126638 is a selective inhibitor of ergosterol synthesis in Candida albicans, Trichophyton spp., and Microsporum canis. Antimicrob Agents Chemother. 2004 Sep;48(9):3272-8.
• [22] Azole antimycotics differentially affect rifampicin-induced pregnane X receptor-mediated CYP3A4 gene expression. Drug Metab Dispos. 2008 Feb;36(2):339-48.
• [23] 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.