Details of the Drug Combination

General Information of Drug Combination (ID: DCPH593)

• Drug Combination Name: Itraconazole + Methoxsalen
• Indication: Chronic myelogenous leukemia; Status: Investigative [1]
• Component Drugs:
  Itraconazole (DMCR1MV): Small molecular drug
  Methoxsalen (DME8FZ9): Small molecular drug
• High-throughput Screening Result:
  Testing Cell Line: KBM-7
  Zero Interaction Potency (ZIP) Score: 59.37
  Bliss Independence Score: 59.37
  Loewe Additivity Score: 71.93
  LHighest Single Agent (HSA) Score: 71.93

Molecular Interaction Atlas of This Drug Combination

Indication(s) of Itraconazole

Disease Entry	ICD 11	Status	REF
Aspergillosis	1F20	Approved	[2]
Blastomycosis	1F22	Approved	[2]
Fungal infection	1F29-1F2F	Approved	[3]
Fusariosis	N.A.	Approved	[2]
Histoplasmosis	N.A.	Approved	[2]
Invasive candidiasis	1F23	Approved	[2]
Mycoses	1F2Z	Approved	[2]
Candidemia	1F23.3Y	Investigative	[2]
Esophageal candidiasis	N.A.	Investigative	[2]

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	[6]
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	[8]

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	[9]
UDP-glucuronosyltransferase 1A1 (UGT1A1)	DEYGVN4	UD11_HUMAN	Metabolism	[10]

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	[11]
1,25-dihydroxyvitamin D(3) 24-hydroxylase, mitochondrial (CYP24A1)	OTG2T749	CP24A_HUMAN	Decreases Activity	[12]
Nuclear receptor subfamily 1 group I member 2 (NR1I2)	OTC5U0N5	NR1I2_HUMAN	Increases Expression	[13]
Bile salt export pump (ABCB11)	OTRU7THO	ABCBB_HUMAN	Decreases Activity	[14]

Indication(s) of Methoxsalen

Disease Entry	ICD 11	Status	REF
Cutaneous T-cell lymphoma	2B01	Approved	[4]
Primary cutaneous T-cell lymphoma	N.A.	Approved	[5]
Psoriasis vulgaris	EA90	Approved	[4]

Methoxsalen Interacts with 1 DTT Molecule(s)

DTT Name	DTT ID	UniProt ID	Mode of Action	REF
Cytochrome P450 2A6 (CYP2A6)	TTAQ6ZW	CP2A6_HUMAN	Binder	[16]

Methoxsalen Interacts with 2 DME Molecule(s)

DME Name	DME ID	UniProt ID	Mode of Action	REF
Cytochrome P450 3A4 (CYP3A4)	DE4LYSA	CP3A4_HUMAN	Metabolism	[17]
Cytochrome P450 2A6 (CYP2A6)	DEJVYAZ	CP2A6_HUMAN	Metabolism	[18]

Methoxsalen Interacts with 9 DOT Molecule(s)

DOT Name	DOT ID	UniProt ID	Mode of Action	REF
Cocaine esterase (CES2)	OTC647SQ	EST2_HUMAN	Increases Expression	[17]
Nuclear receptor subfamily 1 group I member 2 (NR1I2)	OTC5U0N5	NR1I2_HUMAN	Increases Activity	[17]
Class E basic helix-loop-helix protein 40 (BHLHE40)	OTITX14U	BHE40_HUMAN	Decreases Expression	[19]
Baculoviral IAP repeat-containing protein 5 (BIRC5)	OTILXZYL	BIRC5_HUMAN	Decreases Expression	[19]
ATP-binding cassette sub-family C member 3 (ABCC3)	OTC3IJV4	MRP3_HUMAN	Increases Expression	[15]
ATP-dependent translocase ABCB1 (ABCB1)	OTEJROBO	MDR1_HUMAN	Increases Expression	[20]
Phosphatidylcholine translocator ABCB4 (ABCB4)	OTE6PY83	MDR3_HUMAN	Decreases Expression	[21]
Nuclear receptor subfamily 0 group B member 2 (NR0B2)	OT7UVICX	NR0B2_HUMAN	Increases Expression	[15]
Broad substrate specificity ATP-binding cassette transporter ABCG2 (ABCG2)	OTW8V2V1	ABCG2_HUMAN	Increases Expression	[20]

References

• [1] CheMBL Affinity Phenotypic Cellular Interaction Assay ID: CHEMBL1125966
• [2] Itraconazole FDA Label
• [3] FDA Approved Drug Products from FDA Official Website. 2009. Application Number: (ANDA) 076104.
• [4] FDA Approved Drug Products from FDA Official Website. 2009. Application Number: (NDA) 009048.
• [5] Methoxsalen FDA Label
• [6] Clinical pipeline report, company report or official report of the Pharmaceutical Research and Manufacturers of America (PhRMA)
• [7] Drugs@FDA. U.S. Food and Drug Administration. U.S. Department of Health & Human Services.
• [8] 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.
• [9] Effects of itraconazole and tandospirone on the pharmacokinetics of perospirone. Ther Drug Monit. 2006 Feb;28(1):73-5.
• [10] 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.
• [11] 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.
• [12] 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.
• [13] Azole antimycotics differentially affect rifampicin-induced pregnane X receptor-mediated CYP3A4 gene expression. Drug Metab Dispos. 2008 Feb;36(2):339-48.
• [14] 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.
• [15] Adaptive homeostasis of the vitamin D-vitamin D nuclear receptor axis in 8-methoxypsoralen-induced hepatotoxicity. Toxicol Appl Pharmacol. 2019 Jan 1;362:150-158. doi: 10.1016/j.taap.2018.11.002. Epub 2018 Nov 10.
• [16] Mutagenicity and carcinogenicity of methoxsalen plus UV-A. Arch Dermatol. 1984 May;120(5):662-9.
• [17] Photochemotherapeutic agent 8-methoxypsoralen induces cytochrome P450 3A4 and carboxylesterase HCE2: evidence on an involvement of the pregnane X receptor. Toxicol Sci. 2007 Jan;95(1):13-22.
• [18] Identification of the human cytochrome P450 enzymes involved in the in vitro metabolism of artemisinin. Br J Clin Pharmacol. 1999 Oct;48(4):528-35.
• [19] Down regulation of differentiated embryonic chondrocytes 1 (DEC1) is involved in 8-methoxypsoralen-induced apoptosis in HepG2 cells. Toxicology. 2012 Nov 15;301(1-3):58-65. doi: 10.1016/j.tox.2012.06.022. Epub 2012 Jul 11.
• [20] ABC-transporter blockage mediated by xanthotoxin and bergapten is the major pathway for chemosensitization of multidrug-resistant cancer cells. Toxicol Appl Pharmacol. 2017 Dec 15;337:22-29. doi: 10.1016/j.taap.2017.10.018. Epub 2017 Oct 25.
• [21] 8-Methoxypsoralen disrupts MDR3-mediated phospholipids efflux and bile acid homeostasis and its relevance to hepatotoxicity. Toxicology. 2017 Jul 1;386:40-48. doi: 10.1016/j.tox.2017.05.011. Epub 2017 May 24.